For the dissolving of NH4Cl in water, the lattice energy is greater than the hydration energy. a. True
b. False

For the dissolving of CaCl2 in water, the lattice energy is greater than the hydration energy.
a. True
b. False

The lattice energy of NH4Cl is greater than that of CaCl2.
a. True
b. False

Water and solid CaCl2 have a lower potential energy than a CaCl2 solution.
a. True
b. False

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next