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# Solution: Consider the flasks in the following diagram. What are the final partial pressures of H 2 and N2 after the stopcock between the two flasks is opened? (Assume the final volume is 3.00 L.) What is the total pressure (in torr)?

###### Problem

Consider the flasks in the following diagram. What are the final partial pressures of H 2 and N2 after the stopcock between the two flasks is opened? (Assume the final volume is 3.00 L.) What is the total pressure (in torr)?

###### Solution

Recall: The ideal gas law is as follows:

We can see that the pressure and volume of a gas are related to the number of moles of gas, the universal gas constant, and the temperature of the gas.

For a given number of moles of gas at a constant temperature, the initial and final pressure and volume of the gas are related by Boyle's law.

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