7. How many molecules are there in a sample of gas that occupies a volume 9...

 

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7. How many molecules are there in a sample of gas that occupies a volume 9 L at STP. (1 point) A. O 2.42e23 B. O 1.08e23 C. O 1.586e23 D. O 2.165e23 E. O 4.369e23 8. A 100 g sample of di-atomic hydrogen (H2) gas is at a temperature of 70 C. Calculate the C. Calculate the average energy (translational kinetic energy) of one hydrogen molecule of the sample. (1 point) A. O1.135e-21 J B. O7.1e-21 J C. O3.866e-21 J D. O 2.584e-21 J E. O9.974e-21 J 7. How many molecules are there in a sample of gas that occupies a volume 9 L at STP. (1 point) A. O 2.42e23 B. O 1.08e23 C. O 1.586e23 D. O 2.165e23 E. O 4.369e23 8. A 100 g sample of di-atomic hydrogen (H2) gas is at a temperature of 70 C. Calculate the C. Calculate the average energy (translational kinetic energy) of one hydrogen molecule of the sample. (1 point) A. O1.135e-21 J B. O7.1e-21 J C. O3.866e-21 J D. O 2.584e-21 J E. O9.974e-21 J

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