What is the value of the enthalpy change of the uncatalyzed reaction in reverse?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea