It is known that oxygen contains 1 percent of the air. If 50 liters of wind, how much oxygen is needed? *

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?