You hold a beaker in your hands as a chemical reaction occurs. The beaker gets warm to the touch as the reaction progresses. Based on this observation, you might guess that the reaction is(1 point)

a.hexothermic
b.endothermic
c.isothermic
d. exothermic

5 answers

d. exothermic

In order to speed up a chemical reaction, you should _______________ the activation energy. (1 point)
a.lower
b.maintain
c.raise
d. increase

c. raise

which of the following are products of photsynthesis
a. carbon dioxide and water
b. carbon dioxide and oxygen
c. oxygen and glucose
d. oxygen and water

c. oxygen and glucose