<h2>
Equal and Opposite Energy Quick Check</h2><h3>1. A researcher can determine that an exothermic reaction has occurred in a flask if(1 point)</h3>
b. the flask feels warm.
<h3>2. In a certain reaction, molecules are moving faster and colliding more often as reactants turn into products. Which action is happening?(1 point)</h3>
c.Heat is being passed; the reaction is exothermic.
<h3>3. Which tool would a scientist use to measure reaction energy?(1 point)</h3>
a.calorimeter
<h3>4. Which phrase describes chemical potential energy?(1 point)</h3>
a.the amount of energy stored in bonds
<h3>5. Into which type of reaction would a scientist have to infuse a lot of energy in order to cause the reaction to occur?(1 point)</h3>
b.highly endothermic