In the reaction 2ca + o2 → 2cao for every 2 ca you will need how much o2? a. 1 c. 3 b. 2 d. 4

What is the rate law for the uncatalyzed reaction?

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.