When a substance is a solid it has A. Potential energy
B. Kinetic energy
C. Gravitational energy
D. Chemical energy

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Which is a characteristic of mixtures?

Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.