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7nadin3 [17]
3 years ago
7

PLEASE HELP ILL GIVE BRAINLIST AND POINTS (I don’t mind how long it needs to be)

Chemistry
2 answers:
lapo4ka [179]3 years ago
3 0

Answer:

When two or more atoms chemically bond together, they form a molecule. When molecules are made from two or more different kinds of atoms, the substances are called compounds. If molecules are made from only one kind of atom, the substances are elements.

Explanation:

<em> gave an explanation in my answer XD anyway hope I helped. Have a good day!</em>

Morgarella [4.7K]3 years ago
3 0
Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

Please mark brainliest
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A gas has a volume of 560 mL at a temperature of –55°C. What volume will the gas occupy at
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Answer: 778 ml

Explanation:

To calculate the final temperature of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=560ml\\T_1=-55^oC=(273-55)K=218K\\V_2=?\\T_2=30.0^oC=(273+30.0)K=303K

Putting values in above equation, we get:

\frac{560ml}{218K}=\frac{V_2}{303K}\\\\V_2=778ml

Thus volume the gas occupy at 30.0°C is 778 ml

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What happens if you mix any halogen with any alkali?
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Answer:

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