Question

If 300 ml of a gas at 27 degree Celsius is cooled to 7 degree Celsius at constant pressure its final volume will be

Answer 1

Answer:

Explanation:

Here is the explanation

Answer 2

Answer: The final volume of the gas is 280 mL

Explanation:

To calculate the final volume 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:

$V_1=300mL\\T_1=27^oC=(27+273)K=300K\\V_2=?\\T_2=7^oC=(7+273)K=280K$

Putting values in above equation, we get:

$\frac{300K}{300K}=\frac{V_2}{280K}\\\\V_2=280mL$

Hence, the final volume of the gas is 280 mL