Question

During a lab activity, students prepared two solutions separately at the same temperature. Later they mixed the solutions and the temperature dropped. Why?
A:there was no energy input during the chemical reaction
B:energy was absorbed during the chemical reaction
C:energy was released during the chemical reaction

Answer 1

@thomaster @emilyhaddad

Answer 2

Which answers can you cancel?

Answer 3

yahooanswers told me it was c

Answer 4

C? when energy is released in a chemical reaction, do you expect the solution to become warm or cold?

Answer 5

hot right

Answer 6

yes, it will get hot. So you can cancel option C.

What about B?

Answer 7

Its b.