A sample of ideal gas is in a sealed container. The pressure of the gas is 685 torr , and the temperature is 12 ∘C . If the temperature changes to 55 ∘C with no change in volume or amount of gas, what is the new pressure, P2, of the gas inside the container?Express your answer with the appropriate units.

788 torr

Explanation:

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

Mathematically,

where,

are the initial pressure and temperature of the gas.

are the final pressure and temperature of the gas.

We are given:

Putting values in above equation, we get:

Hence, the new pressure will be 788 torr

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