Is br a magnetic or non magnetic

Answers

Answer 1

Answer: Non-magnetic

Explanation:

Answer 2

Answer:

br is a non magnetic. hope this helps.


Related Questions

5) A pure substance which can be decomposed by a chemical change is a

A) mixture
B) compound
C) metal
D) nonmetal

Answers

it’s b compound sksjdhshkaks
The answer would be (B), a compound. By definition, a chemical compound is a substance that is made up of at least two atoms from more than one element. A chemical change involves a change in chemical identity: In decomposition, a substance with its unique chemical identity is broken down into constituent substances that have their own, unique chemical identities.

Some Reactions are endothermic
How does the temperature and energy change in an endo thermic reaction?
temperature change
energy change
А
decreases
energy taken in
B
decreases
energy given out
С
increases
energy taken in
increases
energy given out
D
increases
energy given out​

Answers

Answer:

endothermic means energy is taken in and temperature increases.

Lars observes a substance to be a solid and to float in water at room temperature (23°C). Based on the given properties, which substance is the most likely identity of this sample?

Substance Melting Point (°C) Boiling Point (°C) Density at Room Temperature (g/cm3)
carbon tetrachloride -22.9 76.7 1.59
cetyl alcohol 49.3 344 0.811
dichlorobenzene 53.5 174 1.25
sulfur hexafluoride -64 -50.8 0.00617
A.
carbon tetrachloride
B.
cetyl alcohol
C.
dichlorobenzene
D.
sulfur hexafluoride

Answers

Answer:D. Sulfur Hexafluride

Explanation:

D. Sulfur Hexafluride

Explanation:

above it says the substance floats above water at room temperature and lists some substances and their density at room temp!

we know that the density of water is 1.0 so the substance in order for it to float has to be less than 1.0 and the densities for Sulfer Hexa, are all less than 1!!

Answer quick (image)

Answers

Answer:

The answer is boiling point

I NEED AN ANSWER PLEASE!
A element is having atomic number 82. find the number of its protons and electrons

Answers

Answer:

the element is lead

Explanation:

the atomic number of lead is 82.

number of protons 82

number of electrons 82

How many total hydrogen atoms are in CH3OOH?​

Answers

Answer:

4

Explanation:

In CH3OOH, there is H3, which means 3 hydrogen atoms, but there is also an H at the end, which means another hydrogen atom.

3 + 1 = 4

as a change of state takes place, heat and temperature
a. increase stays the same
b. stays the same, stays the same
c.stays the same, changes.
d.increases,increases​

Answers

Answer:

c. stays the same, changes

Explanation:

temperature and heat go hand in hand, however while the change of state occurs, the temperature remains the same while the heat increases since the heat input is constant.

As a change of state takes place, heat and temperature: C. stays the same, changes.

Matter can be defined as anything that has mass and occupies space. Thus, any physical object or substance that is found on earth is typically composed of matter.

Since all matter are made up of atoms, they have a property of existing in three (3) distinct states and these include;

Solid.Gas.Liquid.

Generally, matter changes state when heat (thermal energy) is released or absorbed with a corresponding change in its temperature.

In conclusion, at the point when the change of state is taking place, heat stays the same and temperature changes.

Find more information: https://brainly.com/question/17203857

An aqueous solution is in equilibrium with a gaseous mixture containing an equal number of moles of helium, carbon dioxide, and nitrogen. Rank the relative concentrations of each gas in the aqueous solution from highest to lowest. An aqueous solution is in equilibrium with a gaseous mixture containing an equal number of moles of helium, carbon dioxide, and nitrogen. Rank the relative concentrations of each gas in the aqueous solution from highest to lowest.
[CO2][CO2] > [He][He] > [N2][N2] [N2][N2] > [CO2][CO2] > [He][He] [CO2][CO2] > [N2][N2] > [He][He] [He][He] > [N2][N2] > [CO2][CO2]

Answers

Answer:

[CO2] > [N2] > [He]

Explanation:

The relative concentration of CO2, N2 and He depends on the solubility of each gas in water. The more soluble in water a gas is, the greater its concentration in aqueous solution.

Among the gases listed, CO2 is most soluble in water hence it is expected to have the greatest concentration in solution followed by N2. Helium gas is insoluble in water hence it has the least concentration in the aqueous solution.

What type of compound is iron(III) oxide?
Group A metal ionic compound with nonmetal anion
Group A metal ionic compound with polyatomic anion
transition metal ionic compound with polyatomic anion
transition metal ionic compound with nonmetal anion

Answers

Answer:transition metal ionic compound with nonmetal anion

Explanation:

Answer:

Your answer is going to be D. transition metal ionic compound with nonmetal anion

Hope this helps :)

A balloon containing methane gas has a volume of 1.03 L at 99.0 °C . What volume will the balloon occupy at 198 °C ?

Answers

Answer:

The balloon will occupy a volume of 1.32L.

Explanation:

Given the following data;

Original Volume, V1 = 1.03L

Original Temperature, T1 = 99°C

New Temperature, T2 = 198°C

To find new volume V2, we would use Charles' law.

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles is given by;

[tex] VT = K[/tex]

[tex] \frac{V1}{T1} = \frac{V2}{T2}[/tex]

Converting T1, from Celsius to Kelvin = 273 + 99 = 372K

Converting, T2, from Celsius to Kelvin = 273 + 198 = 471K

[tex] \frac{V1}{T1} = \frac{V2}{T2}[/tex]

Making V2 as the subject formula, we have;

[tex] V_{2}= \frac{V1}{T1} * T_{2}[/tex]

[tex] V_{2}= \frac{1.03}{372} * 471[/tex]

[tex] V_{2}= 0.0028 * 471[/tex]

V2 = 1.32L

Therefore, the balloon will occupy a volume of 1.32L at 198°C

When an atom is trying to obtain stability, what part(s) of the atom change(s)?

Answers

Answer: If the outer shell is filled, the atom is stable. Atoms with unfilled outer shells are unstable, and will usually form chemical bonds with other atoms to achieve stability.

(hope this helps ^^)

radium 226 has a half life of 1600 yers. suppose we have a 300g sample. how much remains after 200 years

Answers

Answer:

[tex]A=275.1g[/tex]

Explanation:

Hello.

In this case, since the radioactive decay is computed via:

[tex]A=A_0*2^{-\frac{t}{t_{1/2}}[/tex]

For the initial amount of Ra-226 (300 g), once 200 years have passed, the remaining mass is:

[tex]A=300g*2^{-\frac{200years}{1600years}}\\\\A=275.1g[/tex]

This is, considering that the half-life is 1600 years, it means that the mass of Ra-226 is decreased.

Best regards.

2.
_______ properties depend on the amount of
matter present

Answers

Answer:

extensive properties

Explanation:

,such as mass and volume, depend on the amount of matter being measured. Intensive properties, such as density and color, do not depend on the amount of the substance present. Physical properties can be measured without changing a substance's chemical identity.

A student titrates 0.1719 g of an unknown monoprotic acid to the equivalence point with 21.85 mL of 0.1062 M NaOH. Which of the following is most likely to be the unknown acid? propionic acid (MM 74.08 g/mol) nitrous acid (MM 47.01 g/mol) chlorous acid (MM 68.46 g/mol) benzoic acid (MM 122.12 g/mol) lactic acid (MM: 90,08 gimol)​

Answers

Answer:

Propionic acid

Explanation:

Step 1: Write the generic neutralization reaction

HA + NaOH ⇒ NaA + H₂O

Step 2: Calculate the reacting moles of NaOH

21.85 mL of 0.1062 M NaOH react.

0.02185 L × (0.1062 mol/L) = 2.320 × 10⁻³ mol

Step 3: Calculate the reacting moles of HA

The molar ratio of HA to NaOH is 1:1. The moles of HA are 1/1 × 2.320 × 10⁻³ mol = 2.320 × 10⁻³ mol.

Step 4: Calculate the molar mass of HA

0.1719 g of HA correspond to 2.320 × 10⁻³ moles.

MM = 0.1719 g/2.320 × 10⁻³ mol = 74.09 g/mol

With this molar mass, the most likely acid is propionic acid.

What ingredients can be alternative for cornstarch?

Answers

Answer:

their are many alternative for cornstarch.But I know only 10 of them and they are:

1.Rice Flour

2.wheat Flour

3.Potato Starch

4.Arrowroot

5.Tapioca

6.Ground Flaxseeds

7.Gaur Gum

8.Xanthan Gum

9.Glucomannan

10.Xanthan Gum

Convert 5.4g of NaCl to moles

Answers

Answer:

.0924 moles of NaCl

Explanation:

So you know you have 5.4 g of NaCl and you need to know how many moles there are in this amount of NaCl

You'll need to find the atomic mass of the compound NaCl to help you solve for moles Sodium (Na) on the periodic table has a mass of 22.99 Chlorine (Cl) on the periodic table has a mass of 35.45

Add these two together----> 22.99 + 35.45 = 58.44

Now you can calculate for moles

Written-out method:

5.4 grams of NaCl  |   1 mole of  NaCl              

                                | 58.44 grams NaCl                = .0924 moles of NaCl

Plug into calculator method:

(5.4 g of NaCl/ 58.44g NaCl= .0925 moles)

A mineral breaks into cubes when struck with a rock hammer. It also leaves a red trail when scraped against an unglazed porcelain plate.

Which of the mineral's properties are being measured?

Choose the two correct answers.


streak

color

cleavage

hardness

Answers

The two properties which can be measured from the given information are streak and cleavage of the mineral.

What are minerals?

Minerals are naturally forming inorganic substances having crystal structure and metallic characteristics. They have a definite chemical composition and  homogeneity.

Streak is the color of powder form of mineral and cleavage is how the mineral cleave when we cut through a plane.  Hardness says how much hard the solid is.

When the mineral breaks into cubes when struck with a hammer, we measure its cleavage properties. The red trail on scrapping indicates the streak of the mineral.

Hence, the two properties we can measure from breaking by hammer and scrapping by an unglazed porcelain are its cleavage and streak.

To learn more about minerals, refer the link below:

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The strength of an acid is affected by the polarity of the bond connected to the acidic hydrogen. The more highly polarized this bond, the more easily the hydrogen is ionized. Electronegative atoms or groups of atoms present in the structure of an acid can act to withdraw electrons and produce additional polarization. Two common groups of acids to which this principle can be applied are oxyacids and carboxylic acids. Arrange the following oxyacids in order of decreasing acid strength. Rank from strongest to weakest acid.

a. HBrO
b. HClO
c. HClO3
d. HClO2

Answers

Answer:

Explanation:

Oxyacids are acid containing oxygen; they are also known as acid-alcohol or acid-phenol. As said earlier, the strength of these acids increases with increases in the polarity of these compounds. So, what makes the polarity is as a result of the electronegative substituents attached to it. Halogen family possesses the highest electronegativity in the periodic table, and electronegativity decreases down the group.

The ranking of the oxyacids in order of decreasing acid strength from strongest to weakest acid is:

HClO3 > . HClO2 > HClO > HBrO

HELPP

35. A catalyst:
a. actually participates in the reaction.
b. changes the equilibrium concentration of the products.
c. decreases the rate for a reaction.
d. increases the activation energy for a reaction.

Answers

I’m pretty sure it’s D.increases the activation energy for a reaction.

What is the difference in drawing Lewis Dot
Structures for ionic and covalent bonds?

Answers

Answer:

In Lewis Dot Structure of Covalent compound it never contain any charge and for Ionic compounds always contain charges.

The Lewis Dot Structure for ionic compounds must demonstrate how the electrons are transported to create the ions in the compound. The Lewis Dot Structures of covalent compounds must demonstrate how the electrons are being shared to finish the octets of each atom in the molecule.

What is an ionic compound ?

A chemical compound known as an ionic compound is one that contains ions bound together by the electrostatic forces known as ionic bonding. Despite having both positively and negatively charged ions, or cations and anions, the molecule is generally neutral.

The term "ionic bonding" refers to a bond in which the ionic character is greater than the covalent character, i.e., when there is a significant difference in the electronegativity of the two atoms, which makes the bond more polar (ionic) than in a covalent bond, where the electrons are distributed more evenly.

The Lewis structures are not frequently drawn for ionic compounds due to the electrical motion of electrons.

Thus, The Lewis Dot Structure for ionic compounds must demonstrate how the electrons are transported to create the ions in the compound.

To learn more about an ionic compound, follow the link;

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what is write out the following number as a decimal number
[tex]1.2 \times {10}^{5} [/tex]

Answers

Answer:

120000

Explanation:

I hope this helps

120000 Just move five point right from the decimal

What is the density of a substance with a mass of 15.0 g and a volume of 5.0 mL?
A. 0.33 g/mL
B. 3.0 g/mL
C. 10.0 g/mL
D. 20.0 g/mL

Answers

Answer:

B. 3.0 g/ml

Explanation:

density formula: mass/volume

15/5=3

WILL MARK BRAINLIEST (if correct)

Answers

C or D i think maybe

Answer:

D and A

Explanation:

What are the possible consequences of adding a chemical to the environment

Answers

Answer:

The release into the air of chemicals and particles can cause direct damage to the troposphere (air pollution); alter the composition and function of atmospheric layers (greenhouse effect) or other indirect damages (ozone layer depletion).

Explanation:

Ruins the soil and the weather

Add 92.2 km to 9426 m and report the answer in km. 92.2 km + 9426 m = ____ km

Answers

Answer:

Sum of both value is  101.63 km

Explanation:

Given data:

1st value = 92.2 km

2nd value = 9426 m

Sum of both value in km = ?

Solution:

We know that there are 1000 m in 1 km. Thus,

   92.2 km + 9426 m/1000 m × 1 km   = 101.63 km

Thus, sum of both value is  101.63 km

If you do not recall the exact date of an event, it is okay to use a general time reference instead.


Please select the best answer from the choices provided

T
F

Answers

Answer:

True

Explanation:

Sorry if this is late lol

Answer:

The answer is True.

Explanation:

Did not copy

chemistry question please help

Answers

Answer:

AR(18)  

Explanation:

Try that it should work

                                                                                                                                         *(

At what time was the frog sitting still or at rest

Answers

Answer:

frogs don't spend all their time swimming, nor do they spend all ... The frog is capable of sitting perfectly still for hours on end, only to suddenly ... When a frog is resting or hunting, he will sit on whatever is handy.

Explanation:

Hope I helped if I did please mark me brainiest Thanks! <333 :3

within a balloon there are 3 types of gases. the first gas, A, is 6.0 grams in amount, the second gas, B, is 4.0 grams and the last, C, is 3.5 grams. The molar mass of gas "A" is 13.56 g/mol, "B" is 11.76 g/mol and "C" is 12.07 g/mol. If the total pressure inside the balloon is 15 atm, what is the partial pressure of each gas?

Answers

Answer:

Partial pressure of Gas A = 3.91 atm

Partial pressure of Gas B = 5.10 atm

Partial pressure of Gas C = 5.99 atm

Explanation:

Number of moles of gas A;

n_A = 13.56 g/mol ÷ 6 g = 2.25 moles

Number of moles of gas B;

n_B = 11.76 g/mol ÷ 4 g

n_B = 2.94 moles

Number of moles of gas C;

n_C = 12.07 g/mole ÷ 3.5 moles

n_C = 3.45 moles

Total number of moles = n_A + n_B + n_C = 2.25 + 2.94 + 3.45 = 8.64 moles

Mole fraction of gas A; X_a = 2.25/8.64

Mole fraction of gas B;X_b = 2.94/8.64

Mole fraction of gas C;X_c = 3.45/8.64

Now, partial pressure of each gas will be;

Mole fraction × Total pressure

We are given total pressure of 15 atm.

Thus;

P_a = (2.25/8.64) × 15

P_a = 3.91 atm

P_b = (2.94/8.64) × 15

P_b = 5.10 atm

P_c = (3.45/8.64) × 15

P_c = 5.99 atm

Thus;

Partial pressure of Gas A = 3.91 atm

Partial pressure of Gas B = 5.10 atm

Partial pressure of Gas C = 5.99 atm

The reaction below shows how the potential energy changes during a
chemical reaction. What does the red arrow show?

Answers

Answer:

Option C. Change in enthalphy is negative, the reaction is exothermic.

Explanation:

In the profile diagram given in the question above, we can see clearly that the energy of the reactant (Hr) is higher than the energy of product (Hp).

Hence, the enthalpy change (ΔH) will be negative i.e

Enthalpy change (ΔH) = Energy of product (Hp) – Energy of reactant (Hr)

ΔH = Hp – Hr = negative (–) [since Hr is higher than Hp]

A reaction in which the enthalpy change (ΔH) is negative is termed exothermic reaction.

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