1)   The initial temperature of a 1.00 L sample of argon is 20 degrees celsius. The pressure is decreased from 720 mmHg to 360 mmHG and the volume increases to 2.14 liters. What was the change in temperature of argon? 2)  Solve for the total pressure of a container containing 760mmHg of carbon dioxide, 250 torr of oxygen and 0.5 atm of nitrogen.

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