What must be added to water in order to change state from liquid to a gas me

a. more liquid

b. energy or heat

c. more oxygen atoms

d. more hydrogen atoms

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.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat