If 50 l of hydrogen gas at 646k is cooled to 273 k at constant pressure what will be the new volume of the gas

What is the temperature of one mole of helium gas at stp?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !