Do First: Quick Review for Test

A) Draw the scenario

B) Is the Scenario endothermic or exothermic? Why?

C) What is happening to the bonds in the scenario?

Scenario: Ms. Maddy is clever. When Mr. Guesno was parking this morning she put thermite in Guesno’s gas tank. Cars move faster as the engine burns hotter. Mr. Guesno’s car went from 5 mph to 100 mph in 6 seconds. He went so fast that he hit a brick wall.

Based on the observations, which chemical reaction would be the best choice for making a heat pack?