Lesson 6: Bonds and Reactions

ΔH value in an endothermic reaction is a positive number.

• True
• False

Are the products or reactants of this reaction storing more energy in their chemical bonds?

• Both storing the same

• No way to tell

• Products

• Reactants

What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

In an endothermic reaction, heat is ...

• taken in

• given out

In an endothermic reaction the system is releasing energy.

• True
• False

The diagram represents which type of reaction

• endothermic
• exothermic

What kind of graph is this?

• endothermic
• exothermic