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# Working with Ideal Gas Law

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The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm. If the original volume was 3.8 liters, what will the new volume (in liters) be?

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#### Solution Preview

From, the ideal gas law, we know that,

PV = nRT.

If, n, R, T ...

#### Solution Summary

The solution includes and explains all steps required.

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## Gas Laws and Stoichiometry

1. A gas occupying a volume of 725mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final the volume?

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3. Calculate the work done in when 50.0g of tin dissolves in excess acid at 1.00 atm and 25 degrees C:

Assume ideal gas behavior.

4. a 0.1375-g sample of solid magnesium is burned in a constant -volume bomb calorimeter that has a heat capacity of 3024 J/ degree C. The temperature increases by 1,126 degree C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.

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