If a catalyst is used in a reaction: question 13 options: the reaction rate increases. the reaction rate does not change. the equilibrium shifts. the energy of activation increases.

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Identify a specific example for each type of technology

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.