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5 Cards in this Set
- Front
- Back
A 1.25 g gas sample occupies 663 mL at 25 degrees C and 1.00 atm. What is the molar mass of the gas? |
D
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A gas sample at STP contains 1.15 g oxygen and 1.55 g nitrogen. What is the voulme of the gas sample?
A. 1.26 L B. 2.04 L C. 4.08 L D. 61.0 L |
B
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What is the density of argon gas at 55 degrees C and 765 mmHg?
A. 2.99 g/L B. 1.13 x 10^3 g/L C. 1.49 g/L D. 8.91 g/L |
C.
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What is the pressure of 1.78 g of nitrogen gas confined to a volume of 0.118 L at 25 degrees C?
A. 13.2 atm B. 369 atm C. 1.10 atm D. 26.3 atm |
A
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Which gas has the greatest kinetic energy at STP?
A. He B. Ne C. Ar D. None of the above. They all have the same kinetic energy |
D.
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