Agas cylinder at 34.0 c contains 22.5 l of hydrogen gas. if the temperature increases to 65.0 c, what is the new volume?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What does a numerical subscript following an element in a chemical formula mean?

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.