In this diagram you can see an arrow with delta H (triangle H) on it. But what does this MEAN?!
Change in horses
Change in hats
Change in temperature
Change in energy
Which of the following statements is true of exothermic reactions?
Photosynthesis is an example of this.
It gives out energy to the surroundings.
It make cold.
The products have more energy than the reactants.
Which type of reaction can be used to make an ice pack?
Exothermic
Endothermic
Combustion
What's a reaction?