Which of the following is an example of an arrhenius base?
a. kcl
b. ca(oh)2
c. hc

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.

How many grams of cupric sulfate pentahydrate are needed to prepare 50.00 ml of 0.0800m cuso4× 5h2o?

Which term defines a type of oxygen that forms a protective layer miles above the earth a. fossil fuel b. smog c. pollution d. ozone