3. Which is the minimum amount of energy required to start a chemical reaction?
A endothermic energy
B chemical energy
C activation energy
OD exothermic energy

What is the molar mass of ca(cio4)2

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h