For a particular reaction of the form A > B + 2H+ in aqueous solution, it was found that ΔrG°= +20 kJ/mol at 28°C. Estimate the value of ΔrG°

May someone me with these science questions

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next