Question

sally is doing an experiment in chemistry class where she mixes two substances together. when the two substances react, she notices that the beaker feels cold. what conclusion can sally draw about the chemical reaction? (1 point)

the two substances did not react

it is an exothermic reaction

it is an endothermic reaction

she cannot draw conclusions based on this information

Explanation:

In an endothermic reaction, heat is absorbed from the surroundings. The beaker feeling cold indicates that heat was taken from it (the surroundings) by the chemical reaction, which is characteristic of an endothermic reaction.

Answer:

It is an endothermic reaction