Flashcards in 3.3 Calculating and explaining energy change Deck (8)
What are exothermic reactions?
Reactions that transfer energy to the surroundings
What are endothermic reactions?
Reactions that take in energy from the surroundings
What happens during a chemical reaction?
Energy is transferred to or from the surroundings
Combustion is an example of what type of reaction?
Thermal decomposition is an example of what type of reaction?
An endothermic reaction
In the laboratory, how can you tell if a reaction is exothermic?
There is usually a temperature rise in the solution or the surroundings
What name is given to a small metal can used to hold water that is heated by a chemical reaction?