Two flexible containers for gases are at the same temperature an pressure. One holds 0.50 gram of Hydrogen and the other holds 8.0 grams of oxygen. Which of the following statements regarding these gas samples is false?
A.) The volume of the hydrogen container is the same as the volume of the oxygen container.
B.) The number of molecules in the hydrogen container is the same as the number of molecules in the oxygen container.
C.) The density of the hydrogen sample is less than that of the oxygen sample.
D.) The average kinetic energy of the hydrogen sample is the same as the average kinetic energy of the oxygen molecules.
E.) The average speed of the hydrogen molecules is that same as the average speed of the oxygen molecules.
2007-02-25 13:52:16 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
E is false. The average kinetic energy is the same, but since Hydrogen is lighter it will be moving faster for the same energy.
2007-02-25 13:56:46 · answer #1 · answered by rscanner 6 · 1⤊ 1⤋
B
*edit*
in case you were wondering, grams are a measure of mass, so if they are different masses, the number of molecules is different because mass is a measure of the amount of matter (or the number of molecules/atoms)
2007-02-25 21:56:09 · answer #2 · answered by smrtguy01 2 · 1⤊ 1⤋