Chemical Energy vs. Heat Energy Chemical Energy
Chemical Energy =
Heat E. + A
+
B ==> AB (more Chem E. less Heat Energy)
Ex.
10 kj + N2 + 3H2 ==> 2NH3
10,000j of heat energy into chemical
"Endothermic" (colder)
10 Kj per mole of N2... If 5gN2 How much energy?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?