Which of the following would lead to the smallest entropy loss in the surroundings?
a. an endothermic reaction in a hot environment.
b. an endothermic reaction in a cold environment.
c. an exothermic reaction in a hot environment
d. an exothermic reaction in a cold environment.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

How does the viscosity of magma change as magma cools?

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume