a boy stands on a scale and finds his weight to be 76.4 lb. if his feet cover an area of 16.9in^2, how much pressure in lb/in^2 is the boy applying to the scale

When the volume and number of particles of a gas are constant which of the following is also constant

Bose-einstein condensation occurs at what temperature?

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?