Exothermic and Endothermic reactions

Question 1

What is an exothermic reaction

Answer 1

Energy is transferred to the surroundings

Question 2

Does the temperature in an exothermic reaction increase or decrease

Answer 2

Increase

Question 3

Examples of exothermic reactions

Answer 3

• Combustion
• nertualisation reactions
• many oxidation reactions

For everyday use :

• hand warmers
• self-heating cans

Question 4

What is an endothermic reaction

Answer 4

Energy is taken in from the surroundings

Question 5

Does the temperature in an endothermic reaction increase or decrease

Answer 5

decrease

Question 6

Examples of endothermic reactions

Answer 6

• Thermal decomposition
• evaporation
• melting ice
  injury packs