# A mouse is placed in a sealed chamber with air at 750.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.50 L, the temperature is held constant at 302 K. After two hours the pressure inside the bottle falls to 718.7 torr. What mass of oxygen has the mouse consumed?

Question
Asked Oct 13, 2019
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A mouse is placed in a sealed chamber with air at 750.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.50 L, the temperature is held constant at 302 K. After two hours the pressure inside the bottle falls to 718.7 torr. What mass of oxygen has the mouse consumed?

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## Expert Answer

Step 1

First, the change in pressure is determined,

Pressure = 750 torr – 718.7 torr = 31.3 torr.

Pressure = 31.3...

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