Jasvasia is shopping on Amazon for new sunglasses . she notices a pair that she likes price changed from $32.15 to $18.99. what is the percent increase or decrease ? round your answer to the nearest tenth .

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.

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.

In general metals get as you move from left to right across the periodic table.