Match the definition to the keyword.

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins