Which of the following is an example of chemical weathering? wind breaking down rock
plant roots splitting rocks
acid dissolving limestone
water breaking rocks

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate