The original volume of the container was approximately 5.40 liters.
Thermal expansion can determine the container's initial capacity. Heated gases and liquids expand.
Charles's Law asserts that a gas's volume is precisely proportional to its absolute temperature (measured in Kelvin) at constant pressure.
Thermal expansion can determine the container's initial capacity. Heated gases and liquids expand.
Charles's Law asserts that a gas's volume is precisely proportional to its absolute temperature (measured in Kelvin) at constant pressure.
The container's original volume was 5.40 litres.
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calculate the percent ionization of 0.135 m lactic acid in a solution containing 0.0085 m sodium lactate. express the percent ionization to two significant figures.
Answer: The percent ionization of 0.135 m lactic acid in a solution containing 0.0085 m sodium lactate is 10000%.
The percent ionization of 0.135 m lactic acid in a solution containing 0.0085 m sodium lactate is the ratio of the concentration of ionized lactic acid to the total concentration of lactic acid multiplied by 100.
The formula to calculate the percent ionization is:
% Ionization = [([Lactic Acid]i - [Sodium Lactate]) / [Lactic Acid]] × 100
Where [Lactic Acid]i is the concentration of ionized lactic acid and [Sodium Lactate] is the concentration of sodium lactate.
To solve for the percent ionization, we first need to calculate the concentration of ionized lactic acid. This can be done using the following formula:
[Lactic Acid]i = [Lactic Acid] + [Sodium Lactate]
We are given the concentrations of lactic acid and sodium lactate in the solution, so we can now calculate the concentration of ionized lactic acid:
[Lactic Acid]i = 0.135 + 0.0085 = 0.1435 M
Now that we have the concentration of ionized lactic acid, we can use the first formula to calculate the percent ionization:
% Ionization = [(0.1435 - 0.0085) / 0.135] × 100
% Ionization = (0.1350 / 0.135) × 100
% Ionization = 100 × 100
% Ionization = 10000%
To express the percent ionization to two significant figures, we round the answer to 10000% to 2 sig figs: 10000% ≈ 10000%. Therefore, the percent ionization of 0.135 m lactic acid in a solution containing 0.0085 m sodium lactate is 10000%.
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1. What particles determine the mass number?
2. Why is mass number always a whole number?
3. One isotope of carbon (C) has exactly the same mass number and atomic mass since it was used as the definition of the atomic mass unit (amu). Which isotope is it and what is its atomic mass?
4. What is the approximate mass of one proton? __________amu
5. What is the approximate mass of one neutron? __________amu
The mass number of an atom is determined by the total number of protons and neutrons in its nucleus.
The mass number is always a whole number because it is the sum of the number of protons and neutrons in the nucleus, and both of these particles have a mass of approximately 1 atomic mass unit (amu). Since the mass of an electron is much smaller compared to protons and neutrons, it is not included in the calculation of the mass number.
The isotope of carbon that has the same mass number and atomic mass is carbon-12. Its atomic mass is exactly 12 amu.
The approximate mass of one proton is 1 amu.
The approximate mass of one neutron is also 1 amu.
Help please i need help on this
Answer:This chemical reaction is a double replacement reaction.
Explanation:
Answer:
A-Double replacement
Explanation:
Hope this helps
a 15.0 ml sample of 0.20 m hbr is titrated with 0.20 m naoh. what volume of titrant must be added to reach the equivalence point (recall the definition of equivalence point)? enter your response in milliliters (ml) to the nearest 1 ml.
The volume of titrant needed to reach the equivalence point is 15 mL.
The equivalence point is the point in a titration when an equal number of moles of acid and base have been mixed together, resulting in a neutral solution.
To calculate the volume of titrant required to reach the equivalence point, you first need to calculate the number of moles of acid in the sample. This can be done using the formula:
moles of acid = (concentration of acid)(volume of acid). In this case, the number of moles of acid is (0.20 M)(15.0 mL) = 3.0 moles.
Next, calculate the number of moles of base needed to reach the equivalence point. Consider the balanced chemical reaction between the acid and the base. Since there is an equal number of each element in the reactants and products of HBr + NaOH ⇒ NaBr + H₂O, then 1 mole of HBr will require 1 mole of NaOH. Hence, moles of base = moles of acid. In this case, 3.0 moles of base are needed.
Finally, you need to calculate the volume of base needed to reach the equivalence point. This can be done using the formula:
volume of base = (moles of base)(volume of titrant). In this case, the volume of titrant needed is (3.0 moles)/(0.20 M) = 15 mL.
Therefore, to the nearest 1 mL, the volume of titrant needed to reach the equivalence point is 15 mL.
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g a first-order reaction has a half-life of 23.1 s. how long does it take for the concentration of the reactant in the reaction to fall to one-sixteenth of its initial value?
Answer: It takes 92.4 s for the concentration of the reactant in the reaction to fall to one-sixteenth of its initial value.
The first-order reaction has a half-life of 23.1 s, which means that it takes 23.1 s for the concentration of the reactant to decrease to half of its initial value. Since the concentration needs to be reduced to one-sixteenth of its initial value, it will take four half-lives of the reaction, or 92.4 s in total.
This can be mathematically shown using the formula of a first-order reaction:
[A]t = [A]0 X e^(-kt)
Where:
[A]t is the concentration of the reactant at time t
[A]0 is the initial concentration of the reactant
k is the rate constant of the reaction
To calculate the time required for the concentration to fall to one-sixteenth of its initial value, the equation can be rearranged as:
t = -(1/k)ln([A]t/[A]0)
By substituting the values of the half-life, initial concentration, and the desired concentration, we can calculate the time required for the concentration of the reactant to reduce to one-sixteenth of its initial value.
Therefore, it takes 92.4 s for the concentration of the reactant in the reaction to fall to one-sixteenth of its initial value.
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what is the ph of a solution that is prepared by mixing 100 ml of 0.20 m hcl with 200 ml of 0.10 m naoh
Answer: The pH of the solution is 1.44.
Explanation:
The given solution is a mixture of 100 mL of 0.20 M HCl and 200 mL of 0.10 M NaOH. Since NaCl is a neutral salt, it does not contribute to the concentration of H+ or OH-. The concentration of OH- can be calculated from the concentration of NaOH that was added, which is 0 M. Substituting the concentration of OH- into the equation for [H+], [H+] is found to be infinity which is not physically possible. Therefore, the pH of the solution is calculated using the equation pH = -log[H+], which gives a value of 1.44.
the atomic electron configuration inflluences the resulting mechanical properties of the material true false
The statement "the atomic electron configuration influences the resulting mechanical properties of the material" is TRUE. The way the electrons are arranged in the atom affects the way atoms interact with each other through forces such as Van der Waals forces.
An atom's electron configuration is a representation of the electrons' position within the atom's energy levels or shells. The quantity of electrons in an atom's outermost shell affects the atom's reactivity or chemical properties. As a result, the atomic electron configuration has an impact on the resulting mechanical properties of the material.
How does atomic electron configuration influence the mechanical properties of materials?
The atomic electron configuration influences the mechanical properties of materials in the following ways:
Brittleness or ductility: Brittle materials are more fragile and break more easily than ductile materials, which are more pliable and less prone to break. The distance between the electrons in the outer shell has an impact on the ductility of a material.Malleability: The ability to deform a material without fracturing it is referred to as malleability. The malleability of a material is influenced by its electron configuration, particularly the number of electrons in the outermost shell.Elasticity: The capacity of a material to return to its original shape after being deformed is referred to as elasticity. The atomic electron configuration, particularly the number of electrons in the outer shell, affects the material's elasticity. The more electrons there are, the greater the material's elasticity.For more questions related to atomic electron configuration .
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write an equation showing how the mass of the substance sought can be derived from the mass of the weighed substance on the right.
write the balanced chemical equation for the gas-phase production of ammonia from elemental nitrogen and hydrogen
The balanced chemical equation for the gas-phase production of ammonia from elemental nitrogen and hydrogen is:
N2 + 3H2 → 2NH3
This equation represents the reaction of nitrogen molecules, N2, with hydrogen molecules, H2, to form ammonia molecules, NH3. This reaction occurs when nitrogen and hydrogen gases are combined in a 1:3 ratio, in other words, one nitrogen molecule reacts with three hydrogen molecules to produce two ammonia molecules. This reaction is endothermic, meaning energy must be supplied for it to occur.
In general, this reaction is carried out at high temperatures and pressures, often at around 400-600°C and up to 200atm. A catalyst is usually also used, usually iron, to speed up the reaction. In the presence of a catalyst, the reaction rate can increase by a factor of thousands compared to a reaction without a catalyst.
Overall, the balanced chemical equation for the gas-phase production of ammonia from elemental nitrogen and hydrogen is:
N2 + 3H2 → 2NH3
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if each of vinegar, lemon juice, and lactic acid react with equal masses of baking soda, which will produce the most gas?
When equal masses of baking soda react with vinegar, lemon juice, and lactic acid, lactic acid will produce the most gas.
Lactic acid is a weak acid that can be used to neutralize baking soda, producing the greatest amount of carbon dioxide gas. When baking soda is mixed with lactic acid, the reaction between the two creates carbon dioxide, a gas.
This reaction is an example of a neutralization reaction, which is when an acid and a base are combined to form a salt and water. When this happens, the acid releases gas, in this case, carbon dioxide.
As lactic acid is the weakest of the three, it will produce the most gas when it reacts with the baking soda.
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Wood will dissolve in water.
True
False
i will give brainllist
Answer:
False, it only rots
Explanation:
Answer: The answer is false
We know that wood is insoluble as trees take in water through roots into the trunk. Therefore, water is insoluble in water. Note: Polymers are defined as materials that consist of repeating large molecules.
Explanation: Hope this helps!! :)) Have a great spring break!!
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What product is formed when the compound is treated with Tollens reagent (Ag2O,NH4OH) ? With some compounds, no reaction occurs. If no reaction occurs, draw the reactant.
The product that will be formed by the oxidation using Ag2O,NH4OH is CH3(CH2)4COOH.
How are primary alcohols oxidized using Ag2O?Primary alcohols can be oxidized to aldehydes or carboxylic acids using silver(I) oxide (Ag2O) as an oxidizing agent in the presence of water (H2O) and heat. The reaction proceeds as follows:
RCH2OH + [O] → RCHO + H2O (aldehyde formation)
or
RCH2OH + 2[O] → RCOOH + H2O (carboxylic acid formation)
where R is an alkyl group.
In this reaction, the silver(I) oxide acts as a source of oxygen, which is required for the oxidation of the alcohol. The oxygen is transferred to the alcohol, forming a carbonyl group (C=O) in the aldehyde or carboxylic acid product.
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which species is diamagnetic? which species is diamagnetic? si s i co3 c o 3 ba2 b a 2 ni3 n i 3
Answer: Out of the given species, the diamagnetic species are: Si, Ba2+ as they have all their electrons paired in their orbitals, so there are no unpaired electrons to get attracted by an external magnetic field.
Explanation:
Diamagnetism and Paramagnetism are two of the types of magnetism that exist in nature. Diamagnetism arises from a material's electrons' orbital motion in conjunction with one another, causing the magnetic field to cancel.
Diamagnetic materials have a weak, negative magnetic susceptibility, and they experience a repulsive force when in a magnetic field.Paramagnetic materials have a positive magnetic susceptibility, and they get weakly magnetized when exposed to a magnetic field.
The paramagnetism in these materials results from the presence of unpaired electrons in their orbitals.
Therefore, out of the given species, the diamagnetic species are: Si, Ba2+ as they have all their electrons paired in their orbitals, so there are no unpaired electrons to get attracted by an external magnetic field.
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how would your calculations of the concentration of [fescn]2 been affected if the cuvette you used had a 1.5 cm path length rather than the 1.0 cm value you were told to use?
The increased distance across the cell will result in an increase absorbance reading.
The concentration of [tex][Fescn]_2[/tex] would be affected if the cuvette had a 1.5 cm path length rather than the 1.0 cm value used.Since the absorbance of a sample is proportional to the concentration of a sample (as described by the Beer-Lambert law), increasing the path length of the cuvette would result in a decrease in absorbance. This means that the concentration of the sample would be lower than if the 1 cm path length was used. In other words, the concentration of [tex][Fescn]_2[/tex]would be lower if the cuvette had a 1.5 cm path length than if it had a 1.0 cm path length.
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which would be an invalid listing within an electron configuration? select the correct answer below: 6s1 4f13 4p5 2d5
A valid electronic configuration should be written as: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s².
An electron configuration is used to show the distribution of electrons among the orbitals of an atom in its ground state, and it is written in the order of increasing energy of the orbitals.
Let's now figure out which of the following is an incorrect electron configuration.
2d5 is not a possible electron configuration according to the rules of electron configuration.
However, it is incorrect because, in the modern periodic table, the d orbital comes after the s orbital, so it should be written as: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s².
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based on results presented in the passage, researchers hoping to alter the appearance of sgbp while maintaining its function as a cp providing a colored appearance would most logically choose to mutate which sgbp residue?
The nucleotide sequence of an organism's genome, that of a virus, extrachromosomal DNA, or other genetic components can change permanently in a process known as mutation.
Any alteration to a cell's DNA sequence. Mistakes in cell division can result in mutations, as can exposure to environmental DNA-damaging substances.
Gene mutations can be divided into two categories: small-scale mutations and large-scale mutations.
Appearance Alteration is the capacity to modify another person's skin, hair, and vocal chords (also known as adaptive appearance manifestation).
The genes that encode our pigment's sensitivity to color can multiply themselves throughout time. The additional copies are susceptible to mutations that change the range of wavelengths they can absorb.
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how much water do you need to add to 10 ml of a solution of hcl with a ph of 2 to change the ph to 4?
NaOH is a strong base and completely dissociates in water. The number of moles of NaOH will be equal to the number of moles of H+ ions neutralized. Hence, 99 ml of NaOH must be added.
It measures the acidity or basicity of a solution on a scale of 0 to 14. A pH of 7 is neutral, and anything below 7 is acidic, and anything above 7 is basic.
When pH is increased or decreased by one unit, it means a ten-fold decrease or increase in hydrogen ion concentration in a solution.Acid and base are two essential terms to learn here.
An acid is a chemical compound that donates H+ ions in a solution, whereas a base is a chemical compound that accepts H+ ions. These H+ ions determine the acidity of the solution.
The more H+ ions a solution has, the more acidic it is, and the fewer H+ ions a solution has, the more basic it is. A pH of 2 indicates that the solution is highly acidic.
To change the pH of the given solution from 2 to 4, we need to make the solution less acidic, which means we need to add a base to it.
Let the volume of the base we need to add be x ml.The pH of the new solution will be 4. We can write the pH equation as pH = -log[H+], where [H+] represents the concentration of H+ ions.
The concentration of H+ ions in the initial solution is:2 = -log[H+]. Hence, [H+] = 0.01 M.The concentration of H+ ions in the final solution is:4 = -log[H+].
Hence, [H+] = 0.0001 M.We know that[H+] = Acid concentration = Base concentration.Hence, the concentration of NaOH added to the solution will be 0.01 M - 0.0001 M = 0.0099 M.
NaOH is a strong base and completely dissociates in water. So, the number of moles of NaOH will be equal to the number of moles of H+ ions neutralized.
The volume of NaOH needed to achieve this concentration:0.0099 mol/L = n NaOH / V NaOHn NaOH = 0.0099 mol/L x (10 mL + x) = 0.099 molV NaOH = n NaOH / 0.1 mol/L = (0.0099 mol) / (0.1 mol/L) = 0.099 L = 99 ml
Hence, 99 ml of NaOH must be added to 10 ml of a solution of HCl with a pH of 2 to change the pH to 4.
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the concentration of stomach acid, hcl, is approximately 0.10 m. what volume of stomach acid contains 0.00025 g of hcl?
The volume of stomach acid containing 0.00025 g of HCl is 6.85 µL.
This is calculated by dividing 0.00025 g by the concentration of HCl (0.10 M).
The concentration of stomach acid, HCl = 0.10 M
The mass of HCl = 0.00025 g
To find: Volume of stomach acid contains 0.00025 g of HCl.
Solution: We know,
Molarity (M) = (moles of solute) / (volume of solution in liters)
The molar mass of HCl = (1 × atomic mass of H) + (1 × atomic mass of Cl)= (1 × 1.01) + (1 × 35.5)= 36.51 g/mol
Given, Molarity (M) = 0.10 M
From the Molarity formula, we can detect
Number of moles of HCl = Molarity (M) × volume (V)
moles of HCl = 0.00025 g / 36.51 g/mol = 0.10 M × V
0.10 V = (0.00025 / 36.51) g / mol
V = (0.00025 / 36.51) g / (0.10 mol/L)
V = 6.85 × 10^-6 L = 6.85 µL
Thus, the volume of stomach acid that contains 0.00025 g of HCl is 6.85 µL.
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11. for a molecule with two atoms, what is the electronegativity difference when there is no bond dipole?
Answer: A molecule with two atoms, the electronegativity difference when there is no bond dipole is zero.
This is because there is no bond dipole when there is no difference in the electronegativity of the two atoms forming the molecule.
What is Electronegativity?The ability of an atom to draw electrons towards itself in a molecule is known as electronegativity. Electronegativity can be used to predict the formation of bonds between atoms. A difference in electronegativity between two atoms determines the type of bond formed. T
he greater the difference in electronegativity, the greater the bond polarity. This results in a partial positive charge on the atom with lower electronegativity and a partial negative charge on the atom with higher electronegativity. Bond Dipole in a polar molecule, the electrons spend more time around the atom with the greater electronegativity.
This results in a partial negative charge on this atom and a partial positive charge on the other atom. The separation of these partial charges produces a dipole known as a bond dipole. When two atoms in a molecule have the same electronegativity, the bond is non-polar and there is no bond dipole.
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PLEASE HELPPPP asapppppppppp
sulfuric acid is a strong diprotic acid that readily gives up both of its protons. assuming it completely dissociates, how many moles of h does one get from 16 milliliters of 3.0 molar aqueous sulfuric acid?
Number of moles of H+ ions = 2 x 0.048 moles = 0.096 moles. Therefore, 16 ml of 3.0 M sulfuric acid solution contains 0.096 moles of H+ ions.
Sulfuric acid is a strong diprotic acid that readily gives up both of its protons. Assuming it completely dissociates. The concentration of a solution is defined as the amount of solute present in a particular amount of solvent. Molarity is a measure of concentration that is defined as the number of moles of solute present in one liter of the solution, i.e. mol/L.So, the given sulfuric acid solution has a concentration of 3.0 M.
It means that in every liter of the solution, there are 3.0 moles of sulfuric acid. To find out how many moles of H+ ions are present in 16 ml of 3.0 M sulfuric acid solution, we can follow these steps: 1. Convert the volume of the solution from milliliters to liters.1 ml = 1/1000 L16 ml = 16/1000 L = 0.016 L2. Calculate the number of moles of sulfuric acid present in 16 ml of 3.0 M sulfuric acid solution.
Number of moles = Molarity x Volume in liters Number of moles of H2SO4 = 3.0 M x 0.016 L = 0.048 moles3. Sulfuric acid is a diprotic acid, which means it has two protons that can dissociate. So, the number of moles of H+ ions produced will be double the number of moles of H2SO4 present.
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8. A catalyst lowers the amount of
activation energy needed to get
a reaction started. What do you
think the diagram would look
like if a catalyst were added?
The equilibrium constant for a reaction is greater than 1.0 at temperatures above 500 K but less than 1.0 at
temperatures below 500 K. What can be concluded about the values of AH and AS for the reaction? (Assume
that AH and AS are independent of temperature.)
(A) AH> 0 and AS > 0
(B) AH> 0 and AS < 0
(C) AH < 0 and AS > 0
(D) AH <0 and AS < 0
Answer:
(C) AH < 0 and AS > 0
When the equilibrium constant is greater than 1.0 at higher temperatures, it indicates that the reaction is exothermic (AH < 0) and that the entropy change (AS) is positive. At lower temperatures, the equilibrium constant is less than 1.0, indicating that the reaction is endothermic (AH > 0) and that the entropy change (AS) is negative. Therefore, the correct answer is (C) AH < 0 and AS > 0.
Based on the given information, we can conclude that AH <0 and AS > 0. Therefore, option C is correct.
What is equilibrium constant ?The equilibrium constant (K) for a reaction can be expressed in terms of the standard free energy change (∆G°), standard enthalpy change (∆H°), and standard entropy change (∆S°) as follows:
K = e^(-∆G°/RT) = e^(-∆H°/RT) * e^(∆S°/R)
where R is the gas constant and T is the temperature in Kelvin.
If the equilibrium constant is greater than 1 at temperatures above 500 K, then ∆G° must be negative at those temperatures.
This means that the reaction is exergonic (releases energy) and favors the formation of products over reactants. Since ∆G° = ∆H° - T∆S°, it follows that ∆H° must be negative and/or ∆S° must be positive.
On the other hand, if the equilibrium constant is less than 1 at temperatures below 500 K, then ∆G° must be positive at those temperatures.
This means that the reaction is endergonic (requires energy) and favors the formation of reactants over products. Again, using ∆G° = ∆H° - T∆S°, we can conclude that ∆H° must be positive and/or ∆S° must be negative.
Therefore, based on the given information, we can conclude that AH <0 and AS > 0. The negative ∆H° at higher temperatures drives the reaction towards product formation, while the positive ∆S° at higher temperatures increases the entropy and randomness of the system, also favoring product formation.
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what might be a source of octane in the product mixture in this reaction? hint: you did quench the hydroboration reaction with water and let the mixture sit for a week before proceeding to the oxidation step.
Answer: The aldehyde or ketone undergoes hydrolysis and forms an alkane, which is the source of octane in the product mixture of this reaction.
The source of octane in the product mixture of this reaction is the hydroboration reaction. This reaction involves the addition of a boron hydride, such as BH3, to an alkene in the presence of a hydrocarbon solvent.
The addition of boron hydride creates a boron-alkyl species, which then reacts with water and is converted into an alcohol. The alcohol then undergoes oxidation and forms an aldehyde or a ketone, depending on the conditions. The aldehyde or ketone then undergoes hydrolysis and forms an alkane, which is the source of octane.
To summarize, the hydroboration reaction of an alkene in the presence of a hydrocarbon solvent produces an alcohol. The alcohol then undergoes oxidation and forms an aldehyde or a ketone, depending on the conditions. The aldehyde or ketone then undergoes hydrolysis and forms an alkane, which is the source of octane in the product mixture of this reaction.
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For the incomplete Reaction (below), the mass of the missing product should be...
) -1
) 0
) 1
) 10
For the incomplete Reaction (below), the charge of the missing product should be...
) -1
) 0
) 1
) 10
For the incomplete Reaction (still below) the missing particle is called...
- an alpha particle
- a beta particle
- a gamma emission
- a neutron
For the incomplete Reaction (wow, still below), to occur which of the following occurred?
- a neutron in the carbon nucleus split into a proton and an electron that was released
- an electron was released fro orbit around the carbon atom's nucleus
- energy from the carbon atom's nucleus became an electron
- an electron was absorbed b the carbon atom's nucleus
For the incomplete Reaction (below), the mass and charge of the missing product are 0 and -1. The missing product is a beta particle where a neutron in the carbon nucleus split into a proton and an electron that was released.
What is beta particle emission?Beta particle emission, also known as beta decay, is a type of radioactive decay in which a beta particle is emitted from the nucleus of an atom.
A beta particle is a high-energy, high-speed electron or positron that is released from the nucleus as a result of the transformation of a neutron into a proton or a proton into a neutron.
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if a drug has a concentration of 275 mg per 10 ml, how many ml are needed to give 1 gram of the drug?
We require 36.36 milliliters of the drug solution to provide 1 gram of the drug.
A drug has a concentration of 275 mg per 10 ml. We have, volume of solution = mass of solute/concentration.
The mass of the solute (drug) is 1 gram or 1000 mg. Concentration is 275 mg/10 ml, which can be simplified to 27.5 mg/ml.
Volume of solution = mass of solute/concentration= 1000 mg/27.5 mg/ml= 36.36 ml. Therefore, we require 36.36 milliliters of the drug solution to provide 1 gram of the drug.
We can determine the required volume of a solution if we know the concentration of the solute and the mass of the solute to be delivered by using the formula volume of solution = mass of solute/concentration.
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g what is the iupac name for the following compound? a. 2-bromobutanal b. 3-bromobutanone c. 2-bromobutanone d. 3-bromobutanal
The IUPAC name for the compound 2-bromobutanal is 2-bromobutane-1-al.
The IUPAC name for the compound 3-bromobutanone is 3-bromobutane-1-one. The IUPAC name for the compound 2-bromobutanone is 2-bromobutane-1-one. The IUPAC name for the compound 3-bromobutanal is 3-bromobutane-1-al.
The given compound is a ketone, identify the longest carbon chain that includes the carbonyl group, then change the -e ending of the corresponding alkane name to -one, which is the suffix for a ketone.
We can see that the carbonyl group is located at the second carbon atom of the parent chain, and the parent chain is the butane which has four carbon atoms. The name of this ketone is 2-bromobutanone because the bromine atom is bonded to the second carbon atom of the parent chain. Hence, the correct option is c. 2-bromobutanone.
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41.8 moles of sulfur is equal to how many atoms of
sulfur?
What is the key bond being formed in a Grignard reaction? A. Carbon-Magnesium B. Magnesium-Bromine
C. Carbon-Carbon D. Carbon-Oxygen
Answer:
carbon-magnesium
Explanation:
H3C - Mg - Br
How many grams of CaSO4 would be produced if 200 grams of Fe2O3 reacted
As a result, we would anticipate 487.49 grams of Calcium sulfate to result from a reaction between 200 grams of Iron and Calcium sulfate.
How many kilos does one molecule weigh?Number-wise, the mass of one mole (or formula unit) in atomic mass units is equal to the mass of one mole (or formula unit) in grams. One mole of Oxygen molecules, for instance, weighs 32.00 g and a single Oxygen molecule, 32.00 u.
We can use the following chemical equation, assuming you meant to inquire about the interaction between Iron and Calcium sulfate:
Iron + Calcium sulfate → Ferrous sulfate + Calcium
These numbers can be used to determine how many moles of iron there are in 200 grams:
200 g Iron × (1 mol Iron / 55.85 g Iron) = 3.58 mol Iron
We can infer that 3.58 moles of Calcium sulfate would be formed in this reaction because the stoichiometric ratio of Iron to Calcium sulfate is 1:1.
We can use the following equation to determine the mass of Calcium sulfate generated:
Mass of Calcium sulfate= number of moles of Calcium sulfate× molar mass of Calcium sulfate
Mass of Calcium sulfate = 3.58 mol Calcium sulfate × 136.14 g/mol
Mass of Calcium sulfate = 487.49 g
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