Author Question: Which of the following equations is not a decomposition reaction? A) CaSO4 2H2O CaSO4 + 2 H2O ... (Read 89 times)

nautica902 · **on:** Aug 27, 2018

Which of the following equations is not a decomposition reaction?

A) CaSO4 2H2O CaSO4 + 2 H2O
B) NaClO3 NaCl + O2
C) H2O2 H2O + O2
D) K + H2O KOH + H2

Question 2

Consider the reaction A B with the following data: Energy of reactants = 50 kJ/mole; Energy of products = 70 kJ/mole; Energy of transition state = 80 kJ/mole.

The reaction is ________, has a heat of reaction of ________ kJ/mole, and the energy of activation is ________ kJ/mole. A) exothermic; 20; 30
B) endothermic; 20; 30
C) exothermic; 30; 20
D) endothermic; 30; 20