Which two phrases describe a mineral? A. Has a crystalline structure
B. Can be made in a laboratory
C. Made of nonliving material
D. Often found in the liquid phase

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Ineed ! i have no clue how to do this problem.