On a graph showing distance versus time a horizontal line represents an object that is

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

What is the percentage composition of carbon in the compound ch4

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.