Which will speed up a chemical reaction? apply heat. increase the concentration of the reactants. grind up the substance, so there is more surface area. all of the above

Write a polynomial function with the given zeros x= -1,0,2show your work

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little