Which of the following has the correct change in enthalpy and reaction description for the following reaction? nh3(g) + hcl(g) nh4cl(s) given: nh3: ∆h= -46.2 kj hcl: ∆h= -92.3 kj nh4cl: ∆h= -314.43 kj

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.