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 Brainliest 18 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/d99/d659bbb09076b92f28eecf905789e1e8.jpg)