What can be said about a reaction with H=-890 kJ/mol and AS= -0.24 kJ/(mol-K)? A. it is never spontaneous B. it is always spontaneous C. it is spontaneous at 2000 k D. it is at equilibrium at 371 k

What type of electromagnetic radiation has a shorter wavelength than blue light

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.

Heat is the total potential energy of a substance that can be transferred. true false