In an exothermic reaction, the water will in a calorimeter.

a. absorb heat
b. drop in temperature
c. drop in volume
d. release heat

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

How does a noncompetitive inhibitor reduce an enzyme’s activity?