Lerical Questions
Calculate the mass of two atom of nitrogen.

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

When balancing a chemical equation:

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.