Which of the following will dissolve most quickly? a. two sugar cubes. b. a tablespoon of coarse sugar. c. a tablespoon of table sugar. d. a tablespoon of ultrafine sugar.

Which of the following electromagnetic waves can create ions?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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.