Copper sulphate has oxygen elements in it while copper sulphide doesn't have.
Copper sulphate is formed by the combination of copper and sulphate ions.The chemical formula of this compound is CuSO4.It is formed by the combination of copper, sulphur and oxygen elements.Copper sulphide is formed by the combination of copper and sulphide ions.The chemical formula for this compound is CuS.It is formed by the combination of atoms of copper, and sulphur.Hence, Copper sulphate has oxygen elements in it while copper sulphide doesn't have.Go through the given link below to know more about copper:-
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25. What is the molarity of an H2SO4 solution if
0. 25 L of the solution contains 0. 75 mol of
H2SO4?
(1) 0. 33 M (2) 0. 75 M (3) 3. 0 M (4) 6. 0 M
3 M of sulfuric acid ( H2SO4) will be present in the solution.
A solution's molarity, M, is calculated by multiplying the number of moles by the volume in liters.
M = n /V, where V is the volume of the solution in liters and n is the number of moles of the solute.
The molarity equation using the provided values, then solve it.
M = 0.75mol/0.25L= 3.0 M
3.0 M H 2 SO 4 (pronounced three molar sulfuric acid) is equal to 0.25 L.
Oil of vitriol, also known as sulphuric acid (Commonwealth spelling), is a mineral acid made up of the elements hydrogen, oxygen, and sulfur, and has the chemical formula H2SO4. It is a viscous liquid that is miscible with water. It has no color or smell.
The solution will have a concentration of 3 M sulfuric acid.
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a chemist determined by measurements that 0.020 moles of tin participated in a chemical reaction. calculate the mass of tin that participated in the chemical reaction. round your answer to 2 significant digits.
Mass of tin = moles of tin x molar mass of tin
Mass of tin = 0.020 mol x 118.7 g/mol
Mass of tin = 2.37 g
Therefore, the mass of tin in the chemical reaction is 2.37 g.
What happens when you heat the tin?If tin is heated, it cracks. This is caused by crystals rubbing against each other. This characteristic crackle is heard if a piece of tin is simply bent. Tin is very malleable and ductile.
What are some properties of Tin?Some properties of tin is that it amphoteric. On reacting with both strong bases and strong acids with the evolution of hydrogen occurs. With sodium hydroxide solution, tin forms Na2[Sn(OH)6]. The reaction with acids is slow in the absence of oxygen.
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f zinc replaces iron, iron replaces lead, and zinc replaces lead in a chemical reactions, the order of activity from most active to least active is
The order of activity from most active to least active in the given scenario is: zinc, iron, lead. This is because zinc is the most active element in the group, as it has the least number of valence electrons.
making it more likely to participate in chemical reactions and replace other elements. Iron is the next most active, as it has a higher number of valence electrons than zinc, but still fewer than lead, which is the least active element in the group due to its high number of valence electrons, making it less likely to participate in chemical reactions and replace other elements.A chemical element with the atomic number 30 and the symbol Zn is zinc (Zn). It belongs to the periodic table's group 12 and is a transition metal. A bluish-white, glossy metal with high conductivity for electricity, zinc is a substance. It reacts with oxygen and water to produce zinc oxide (ZnO) and zinc hydroxide (Zn(OH)2) due to its comparatively high reactivity. Brass manufacture, galvanizing (coating steel or iron to prevent corrosion), and alloying other metals all utilize it often.
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What do you think method is faster classical or instrumental?
Answer:
Instrumental Methods.
Explanation:
Compared to simple laboratory tests, instrumental methods of analysis may give improved: speed (they are quick) accuracy (they reliably identify elements and compounds) sensitivity (they can detect very small amounts of a substance in a small amount of sample)
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How many additional electrons need to be added to Group 7A neutral atom to give the octets of electrons in their valence shells ?
The highest-energy orbitals of the seven valence electrons in the Group 7A elements are present (ns2np5). These elements typically form halides, or anions with -1 charges, such as fluoride (F-), chloride (Cl-), bromide (Br-), and iodide (I-), as they are one electron short of having an entire octet of eight electrons.
How many electrons are needed for group 7A to complete their octets?Fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (As) are the halogens that make up group 7A (or VIIA) of the periodic table (At). Greek terms halo- ("salt") and -gen give the name "halogen," which means "salt former," its meaning ("formation").The highest-energy orbitals of the seven valence electrons in the Group 7A elements are present (ns2np5). These elements typically form halides, or anions with -1 charges, such as fluoride (F-), chloride (Cl-), bromide (Br-), and iodide (I-), as they are one electron short of having an entire octet of eight electrons. The halogens generate compounds by covalently connecting with other nonmetals to produce mixtures.The halogens are diatomic molecules with two bonds that make up their elemental form, designated X2. Because each halogen has one unpaired electron, it is simple for them to "couple up" to form diatomic molecules. Since the X2 molecules are nonpolar, their only interactions are relatively weak London forces. However, as the size of the atoms increases, the strength of the London forces increases, increasing the melting and boiling points of the molecules: fluorine is a gas that liquefies at -188oC, chlorine is a gas that liquefies at a much higher temperature of -34oC, bromine is a liquid that boils at 59oC, and iodine.To Learn more About seven valence electrons refer To:
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A Biologist Wants To Flash Freeze Several Samples That She Has Collected From Her ..
How could you tell the following three white artificial sweetener powders apart using flame tests? You have: Equal® (C14H]gN2O5, a non-ionic compound that doesn't produce a metal ion), Ace-K (KC;H. NO. S), and Sweet 'N Low (Ca(CH4NO:S)2)
Any substance that is burned in a flame emits a distinctive hue. Knowing the sort of cation present in the compound will allow us to forecast the color of the flame.
Based on the results of the flame test, the provided sweeteners can be separated from one another.
• Equal, an artificial sweetener, is made of a non-ionic molecule (C14H18N2O5). It has no cations at all. It won't exhibit any color in the flame test as a result.
Ace-K sweetener contains the K+ ion as its cation. Ace-K emits a lilac-colored flame as a result of the K+ ion's existence.
• The cation in Sweet 'N Low is the Ca2+ ion. Sweet 'N Low produces a flame that is brick-red in color due to the presence of Ca2+ ions.
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suppose that you add 25.6 g of an unknown molecular compound to 0.250 kg of benzene, which has a k f of 5.12 oc/m. with the added solute, you find that there is a freezing point depression of 3.54 oc compared to pure benzene. what is the molar mass (in g/mol) of the unknown compound?
If we add 25.6 g of an unknown molecular compound to the 0.250 kg of benzene, the molar mass of the unknown compound is 148.8 g/mol.
The Molality of the compound is given as :
ΔT = i Kf m
Where,
ΔT = freezing point depression = 3.54 °C
i = Van't Hoff factor of the Benzene = 1
Kf = constant of the freezing = 5.12 °C/m
m = molality = ?
m = ΔT / i Kf
m = 3.54 / 1 × 5.12
m = 0.69 mol
molality = moles / mass of benzene
moles = 0.172
The molar mass = mass / moles
The molar mass = 25.6 / 0.172
The molar mass = 148.8 g/mol
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a buffer is created by combining 150.0 ml of 0.25 m with 75.0 ml of 0.20 m naoh. determine the ph of the buffer.
The buffer has a pH of 8.35.
Creating a buffer involves combining two solutions of different concentrations of a base and an acid. In this case, 150.0 ml of 0.25 m NaOH and 75.0 ml of 0.20 m NaOH are combined to create the buffer.
To determine the pH of the buffer, we must calculate the concentrations of the acid and the base in the buffer.
Using the formula for calculating the concentrations of the acid and the base in the buffer, we can calculate that the concentration of the acid is 0.068 M and the concentration of the base is 0.232 M.
We can then use the Henderson-Hasselbalch equation to calculate the pH of the buffer, which is 8.35. This means that the buffer has a pH of 8.35.
The buffer's pH is important because it helps maintain a relatively constant pH in a solution when small amounts of acid or base are added.
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In monosodium glutamate, calculate the percent of mass due to sodium.
The percentage by mass due to sodium in monosodium glutamate, C₅H₈NO₄Na is 15.75%
How do I determine the percentage of sodium?Percentage composition is defined as by the following formula:
Percentage = (mass of substance / mass of compound) × 100
Next, we shallm determine the mass of one mole of monosodium glutamate, C₅H₈NO₄Na. This is shown below:
1 mole of C₅H₈NO₄Na = (5 × 12) + (8 × 1) + 14 + (4 × 16) + 23 = 146 gFinally, we shall determine the percentage of sodium in the compound. Details below:
1 mole of C₅H₈NO₄Na = 146 gMass of sodium, Na in C₅H₈NO₄Na = 23 gPercentage of sodium, Na =?Percentage of sodium = (mass of sodium / mass of C₅H₈NO₄Na) × 100
Percentage of sodium = (23 / 146) × 100
Percentage of sodium = 0.1575 × 100
Percentage of sodium = 15.75%
Thus, the percentage of sodium is 15.75%
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ceviche is a dish in which raw fish is marinated with lime juice. lime juice contains citric acid which has a pka of 6.41. what would be the ratio of citrate:citric acid if the ph of the dish is 5.5
The ratio of citrate : citric acid if the pH of the dish is 5.5 is 0.12
pH = pKa plus log(ka) pH - pKa = log([HA] / [A-]), where citrate is present in a 0.12 ratio. The word "denaturation" describes how fish proteins are changed by the citric acid in lime juice. The shapes of molecules, notably proteins, dictate the majority of their physical and chemical properties, and the less complex geometries of the typically coiled and folded protein complexes are unwound or unfolded. They have, in other words, "denatured," or lost their original nature. Yes, cooking does cause denatured proteins. However, a lot of other things than acids and heat can also denature proteins. This can be brought on by salts with high concentrations, including table salt (sodium chloride). The cream-whipping bubbles are an example of how it can be done using air. Alkalis can also be used to achieve it, the reverse despite occurring less frequently, the opposite of heat is low temperatures and acidity. The cooking analogy comes from the fact that heat is the most frequent source of protein denaturation in culinary environments.
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Please help me with these two questions! Brainly included
The most common reason is that soil pH and nutrient content vary across the field, so if subsamples were taken from different parts of the field in each sample, the results will differ.
Depth, texture, structure, drainage conditions, and soil-moisture relationships are all important factors to consider when creating a soil profile.
What is important thing to include in soil description?A soil profile study is important for crop husbandry because it reveals surface and subsurface characteristics and qualities, such as depth, texture, structure, drainage conditions, and soil-moisture relationships, all of which have a direct impact on plant growth.
Why description of 2 different sample of same soil be different?The most common reason is that soil pH and nutrient content vary across the field, so results will differ if subsamples were taken from different parts of the field in each sample. Because these samples would not be representative of the soil in the rest of the field, including them could lead to misleading results. Even if you plan to grow the same crop in the entire field, areas within a field where different crops have previously been grown should be sampled separately.
Here,
The most common reason is that soil pH and nutrient content vary across the field, so the results will differ if subsamples were taken from different parts of the field in each sample.
When creating a soil profile, it is critical to consider depth, texture, structure, drainage conditions, and soil-moisture relationships.
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Another student writes the following incorrect synthesis reaction of magnesium oxide.
Ca + O → CaO
Describe the error made by the student
The student has made an error in the reactants of the synthesis reaction.
The student is trying to make Magnesium oxide (MgO) but he is using Calcium and Oxygen instead of Magnesium and Oxygen. The correct reactants for the synthesis of magnesium oxide are magnesium (Mg) and oxygen (O2), not calcium (Ca) and oxygen (O). The correct balanced equation for the synthesis of magnesium oxide is Mg + O2 → MgO. The student is using the wrong element in the reactant side, which is Calcium, and thus this reaction would not happen in reality. Therefore, the student is mixing up different elements and reactants and the equation will not give the correct products.
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Calculate the volume in mL of a 1.420 M NaOH solution required to titrate the following solutions:
(a) 25.00 mL of a 2.430 M HCI solution
(b) 25.00 mL of a 4.500 M H2SO4 solution
(c) 25.00 mL of a 1.500 M H3PO4 solution
25.14 mL of 1.420 M NaOH solution is needed to titrate 25.00 mL of a 1.500 M H₃PO₄ solution.
What is titration?Titration is a laboratory technique used to determine the concentration of a solution (the analyte) by reacting it with a solution of known concentration (the titrant). The goal of titration is to add the titrant to the analyte until the reaction is complete, at which point the concentration of the analyte can be calculated from the volume and concentration of the titrant used.
To determine the volume of NaOH solution required to titrate the given solutions, we can use the following equation:
M(acid) x V(acid) = M(base) x V(base)
where V represents volume and M represents molarity.
(a) To titrate 25.00 mL of a 2.430 M HCl solution with NaOH, we need to determine the volume of 1.420 M NaOH required to react completely with the HCl.
From the equation above, we can write:
2.430 M x 25.00 mL = 1.420 M x V(base)
V(base) = (2.430 M x 25.00 mL) / 1.420 M = 42.96 mL
Therefore, 42.96 mL of 1.420 M NaOH solution is needed to titrate 25.00 mL of a 2.430 M HCl solution.
(b) To titrate 25.00 mL of a 4.500 M H₂SO₄ solution with NaOH, we can use the same equation:
4.500 M x 25.00 mL = 1.420 M x V(base)
V(base) = (4.500 M x 25.00 mL) / 1.420 M = 79.58 mL
Therefore, 79.58 mL of 1.420 M NaOH solution is required to titrate 25.00 mL of a 4.500 M H₂SO₄ solution.
(c) To titrate 25.00 mL of a 1.500 M H₃PO₄ solution with NaOH, we use the same equation:
1.500 M x 25.00 mL = 1.420 M x V(base)
V(base) = (1.500 M x 25.00 mL) / 1.420 M = 25.14 mL
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particle derives its name from the fact that it has no electrical charge; it is neutral and found in the nucleus of an atom
Name the sub-atomic particles present in an atom.
A. Electrons
B. Protons
C. Neutrons
D. Molecules
A. Electrons, B. Protons, and C. Neutrons are the sub-atomic particles found in an atom. Electrons are subatomic particles with a negative charge that revolve around an atom's nucleus. The atom's nucleus contains positively charged protons, which are particles. Neutrons, neutral particles, are also present in the atom's nucleus.
Molecules are not sub-atomic particles, but rather a group of atoms that are chemically bonded together. Electrons determine the chemical properties of an element; protons determine the atomic number and neutrons add mass to the atom.
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Sulfur dioxide is present in our atmosphere, and is used as a preservative and foods. Is it possible to use the common charges that sulfur an oxygen make to determine this formula
Sulphur dioxide (SO2) is a molecule that consists of one sulphur atom and two oxygen atoms. The sulphur atom has a charge of +6 and the oxygen atoms have a charge of -2, so the overall charge of the molecule is neutral, as the charges cancel out.
The formula for sulphur dioxide is determined by the number of atoms of each element that are present in the molecule. In the case of sulphur dioxide, there is one sulphur atom and two oxygen atoms, so the formula is written as SO2.
The common charges formed by sulphur and oxygen can be used to determine the formula of a compound. The charges of the atoms can be used to determine the number of atoms needed to balance the charges and result in a neutral compound. However, it would not be the only way to determine the formula of a compound; other ways include observing the chemical reactions, using mass spectroscopy, or using X-ray crystallography.
It is possible to use the common charges that sulphur and oxygen atoms make to determine the formula of a compound by determining the number of atoms needed to balance the charges and result in a neutral compound. However, this is not the only way to determine the formula of a compound. Other methods include observing the chemical reactions, using mass spectroscopy, or using X-ray crystallography.
In summary, the formula for sulphur dioxide (SO2) is determined by the number of atoms of each element that are present in the molecule, which in this case is one sulphur atom and two oxygen atoms. The charges of the atoms can be used to determine the number of atoms needed to balance the charges and result in a neutral compound, but it is not the only way to determine the formula of a compound.
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Study the table given below - it shows the pH value of many common
liquids. The pH value represents the acidity of a given liquid. Pure
water is said to be neutral, that is, neither acidic nor basic Which of
these is a valid conclusion that can be drawn from the table?
A. Many common food items are quite acidic in nature.
B. Our stomach contains a liquid which is a weak acid.
C. Sea water is neither acidic nor basic - it is neutral.
D. Acid rain, in spite of its name, is basic in nature.
Substance
Battery acid
Stomach acid
Lemon juice
Cola
Orange/Apple juice
Coffee
Tea
Acid rain
Milk
Pure water
Human Saliva
Blood
Sea water
Soap
Ammonia
Bleach
pH
<1.0
2.0
2.4
2.5
3.5
5.0
5.5
<5.6
6.5
7.0
7.4
7.34-7.45
8.0
9.0-10.0
11.5
12.5
The basic pH of milk of magnesia neutralizes any extra stomach acid.
what is the mass of 4.55 x 10^28 atoms of vanadium
Answer:
The mass of 4.55 x 10^28 atoms of vanadium is 2.31 x 10^30 u or 2.31 x 10^30 grams.
Explanation:
To calculate the mass of a given number of atoms, we need to know the atomic mass of the element in question, which is the mass of one atom of that element. The atomic mass of vanadium is approximately 50.94 u (unified atomic mass unit)
To calculate the mass of 4.55 x 10^28 atoms of vanadium, we can use the formula:
mass = (number of atoms) x (atomic mass)
mass = (4.55 x 10^28 atoms) x (50.94 u)
mass = 2.31 x 10^30 u
The mass of 4.55 x 10^28 atoms of vanadium is 2.31 x 10^30 u or 2.31 x 10^30 grams.
It's important to note that this is a very large number, expressing the mass in kilograms or even tons would be more practical.
what conclusions can be drawn about bottled water versus tap water, based on the reading in the textbook?
The decision between bottled water and tap water is strongly versus by preferences and priorities. Water supply is never a better option than bottled water.
Is vs versus in formal writing?The use of "against" abbreviations is typically more casual than using the full word. Use the complete term if you need to maintain a formal tone. The word "versus" can always be correctly spelled. Spelling things out is usually an excellent option if you are having trouble remembering which acronym is appropriate for your circumstance.
What does the legal term "people versus ." mean?The People v. Defendant, the standard case caption in criminal court, casts the local community against a lone accused in an act of collective condemnation. 1. '”). The prosecution is sometimes used to Instead of "the Peoples," the prosecution may be referred to as "the State," "the Province," or "the United States" in various jurisdictions. Consider Orin S.
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Given the chemical equation: C2H4 + O2 CO2 + H2O Balance the chemical equation. Explain how the balanced chemical equation agrees with the law of conservation of mass.
Answer: C2H4 + 3O2 2CO2 + 2H2O
Explanation: Since the exact same amount of atoms is on both sides, no mass or matter is lost which agrees with the law of conservation of mass. This law states that The law of conservation of mass is that, in a closed or isolated system, matter cannot be created or destroyed. It can change forms but is conserved.
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You determine that your sample has a mass of 386 g and a volume of 20 ml. It also is fairly unreactive to a magnet. What is your rock? Explain your reasoning
Irdosmine has a mass of 386 g and a volume of 20 ml. It also is fairly unreactive to a magnet.
irdosmine, commonly known as osmiridium, is an alloy of iridium with a little amount of osmium. We discovered the rock using the density formula
density[tex]Density=\frac{mass}{volume}\\\\ =\frac{386}{20}\\\\ =19.3\\[/tex]
Both natural and synthetic iridosmine are utilised for the tips of pen nibs, surgical needles, and sparking points in engines due to their hardness and corrosion resistance. Siserskite is the name given to similar alloys that have more osmium than iridium. Iridosmine and siserskite both form hexagonal crystal structures. Natural osmium and iridium alloy used to make a strong, corrosion-resistant mineral that is often found in small amounts in needles and pen nibs.
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How many moles of sodium hydroxide are in 38mL of 0.50 mol/L NaOH?
The moles of sodium hydroxide are in 38mL of 0.50 mol/L NaOH exists 0.50 M(0.038 L).
What is meant by molarity?The number of moles of a solute in a liter of solution is referred to as molarity. A solution's molar concentration is another name for molarity.
A solute's concentration in a solution, specifically the amount of it per unit volume of solution, is measured by its molar concentration, which is a chemical word. The number of moles per liter, denoted by the unit symbol mol/L or mol/dm3 in SI units, is the molarity unit that is most frequently used in chemistry.
The word "molar concentration" refers to the amount of a substance per unit volume of solution and is used to describe the concentration of a chemical species, specifically a solute, in a solution. Molarity, amount, and substance concentration are other names for this term.
Molarity is a measure of moles per Liter
[tex]$& M=\frac{m o l}{L} \text { or } M L=\text { moles } \\[/tex]
M = 0.50 M
[tex]& \mathrm{L}=38 \mathrm{ml} \text { or } 0.038 \mathrm{~L} \\[/tex]
[tex]& 0.50 M(0.038 L)=\text { moles } \\[/tex]
Therefore, the moles of sodium hydroxide are in 38mL of 0.50 mol/L NaOH exists 0.50 M(0.038 L).
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how do the attractive and repulsive forces between two atoms compare when the atoms form a covalent bond?
In a covalent bond between two atoms, the repulsive forces between the two positive nuclei gets cancelled out as the attractive forces between the positive nuclei and the negative electrons is more.
A covalent bond is said to be a bond formed between two atoms by the sharing of equal number of electrons present in both the atoms.
In a covalent bond, the dense electron cloud is concentrated in between the two nuclei of the atoms.
The attractive forces balance out the repulsive forces. So, If any net force is left, the atoms will still accelerate. Therefore, the forces that will pull the two atoms together must be equal to the forces that will push them apart.
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What is the density of an object that will float in water?
Answer:
less than 1g/cm3
the gas-phase decomposition of s02cl2, s02cl2(g) ----> s02(g) cl2(g), is first order in s02cl2. at 600 k the half-life for this process is 2.3 x 105 s. what is the rate constant at this temperature? (b) at 320 oc the rate constant is 2.2 x 10--s s-1. what is the half-life at this temperature?
The gas-phase decomposition of SO2Cl2 is a first-order reaction, and the rate of the reaction is given by the equation: rate = k[SO2Cl2]
The half-life of a first-order reaction is given by the equation: T1/2 = 0.693/k (a) At 600 K, the half-life for the process is 2.3 x 105 s. To find the rate constant at this temperature, we can use the half-life equation to solve for k: T1/2 = 0.693/k ;2.3 x 105 s = 0.693/k ;k = 0.693 / 2.3 x 105 s = 3 x 10^-5 s-1 , (b) At 320 degree celcius , the rate constant is 2.2 x 10^-5 s^-1. To find the half-life at this temperature, we can use the half-life equation and substitute in the given rate constant: T1/2 = 0.693/k;T1/2 = 0.693 / 2.2 x 10^-5 s-1 ;T1/2 = 3.15 x 10^4 s Therefore, the half-life of the reaction at 320 degree celcius is 3.15 x 10^4 seconds.
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determine the air/soil partition coefficient for benzene, trichloroethylene (tce) and benzo(a)pyrene [b(a)p] for a soil consisting of 0.5 volume fraction solids, 0.35 volume fraction of air, and 0.15 volume fraction of water. this soil is known to contain 3% (by weight) of natural soil organic carbon (this is already included in the above solids volume fraction).
For a soil that contains 0.5 solids, 0.35 air, and 0.15 water in its volume fraction, the air/soil partition coefficient for benzene and trichloroethylene is 3.33.
Benzene is an organic compound with the molecular structure C6H6. The benzene molecule is made up of six carbon atoms joined to one another in a planar ring and one hydrogen atom coupled to each one. Due to its pure carbon and hydrogen atom composition, benzene is a hydrocarbon. In fluid mechanics and chemistry, the volume fraction is the ratio of a constituent's volume to the sum of all the other constituents' volumes.
0.5/15 = 3.33 is the benzene coefficient.
coefficient for benzene = 0.5/0.15 = 3.33
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Waves have energy that causes particles in matter to vibrate. So, it stands to reason that(1 point)
Waves have energy that causes particles in matter to vibrate, which is why they can transfer energy and heat through matter.
How does the frequency of a wave relate to its energy?The frequency of a wave is a degree of what number of oscillations or cycles of the wave arise in a given time period. It is measured in hertz (Hz). The electricity of a wave is associated with its frequency in that the higher the frequency of the wave, the extra electricity it contains. This is due to the fact greater oscillations according to 2nd manner that extra electricity is being transferred in a given amount of time. So, waves with better frequency have more power than waves with decrease frequency. That is why waves with high frequency like X-rays and Gamma rays are considered dangerous as they create more energy and may reason ionization, even as waves with low frequency like Radio waves are less dangerous as they bring less energy.
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How many particles of silver is 0.567 mol silver?
Inspect the compound lithium hydroxide, LiOH. Is the bond/attraction between
the Li - O the same as 0-H? Describe both the Li-O and O-H bonds/attractions
using the correct terms.
The bond between the Li and O atoms is an ionic bond and The bond between the O and H atoms is a covalent bond
Lithium hydroxide, LiOH, is a compound made up of lithium (Li), oxygen (O), and hydrogen (H) atoms. The bond between the Li and O atoms is an ionic bond, which is a type of chemical bond formed by the attraction between positively and negatively charged ions. In this case, the lithium atom donates one electron to the oxygen atom, resulting in the formation of a Li+ cation and an OH- anion. The bond between the O and H atoms is a covalent bond, which is a type of chemical bond formed by the sharing of electrons between atoms. In this case, the oxygen and hydrogen atoms share electrons in order to complete their outermost electron shells.
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the mole is a unit that scientists use to measure
The mole is a unit that scientists use to measure large quantities of atoms or molecules.
What is the mole unit of measure?The mole unit is the amount of substance that contains 6 mole of atoms or molecules, which is approximately equal to the amount of substance that contains 6.02×10²³ atoms of such substance in a given state of matter.
Therefore, with this data, we can see that one mole is the amount of a substance that contains 6.02×10²³ atoms, and therefore we can use this unit to measure both atoms and molecules.
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