To produce 8 molecules of ammonia, nh3, we would need molecules of hydrogen, h2 and molecules of nitrogen, n2

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Chemistry worksheet - i am not sure what they are asking for exactly?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules