Is the change in position relative to an initial location.

speed

velocity

displacement

acceleration

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

How are isotopes of the same chemical element alike? how are they different?