Please help! 50 points and Brainliest!
18. Does the diagram below represent an exothermic reaction, or an endothermic reaction? Why do you think this? (2 pts) *
![Please help 50 points and Brainliest18 Does the diagram below represent an exothermic reaction or an endothermic reaction Why do you think this 2 pts class=](https://us-static.z-dn.net/files/dff/97ef09655d7a1fc927555a1623fa3033.jpg)