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Helen [10]
2 years ago
15

A compound has a low melting point, is not soluble in water, and doesn't conduct electricity when in solution. The sample is mos

t likely:
A:
VO2
В:
CF4
C:
MgBr2
D:
not enough information
Chemistry
1 answer:
Fudgin [204]2 years ago
6 0

Answer: cf4

Explanation: trust me

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2 years ago
A plastic 2L soda bottle is flexible enough that the volume of the bottle can change even without opening it. If you have an emp
Aneli [31]

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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.

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\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=2L\\T_1=25^oC=(25+273)K=298K\\V_2=?\\T_2=-4.0^oC=((-4)+273)K=269K

Putting values in above equation, we get:

\frac{2}{298}=\frac{V_2}{269}\\\\V_2=1.8L

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