MCAT Physics Question — Ideal Gas
- Jul 24, 2017
- MCAT Question of the Day
A. increasing the number of moles of gas has no effect
B. the temperature in the container increases
C. the temperature in the container decreases
D. the effect of increasing the number of moles of ideal gas cannot be determined
Click for Explanation
Changing one variable in the equation will bring about a compensatory change in another variable, all others held constant. Here, pressure and volume are held constant; the temperature must decrease to account for the increased number of moles “n” of gas.
A. increasing the number of moles of gas has no effect, incorrect, The ideal gas law must be obeyed leading to a decrease in temperature.
B. the temperature in the container increases, incorrect, This is the opposite effect from either incorrect algebra or starting formula.
C. the temperature in the container decreases, correct.
D. the effect of increasing the number of moles of ideal gas cannot be determined, incorrect, The gas in the container will follow the idea gas law.
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