Energy changes quiz

Which of the following is true for endothermic reactions

• The is a temperature increase

• There is a temperature decrease

• Energy is transferred from the surroundings to the reaction

• Energy is transferred from the reaction to the surroundings

• Products have more energy than reactants

Which of the following is true for exothermic reactions

• Reactants have more energy than products

• There is a temperature decrease

• Energy is transferred from the surroundings to the reaction

• Energy is transferred from the reaction to the surroundings

• Products have more energy than reactants

Which of the following best describes activation energy

• Energy required to break bonds

• Energy required to make the products

• The energy change in the reaction

Which energy profile diagrams correctly identify the energy change in a reaction

• 
• 
• 
• 
• 

Which energy profile diagrams correctly identify the activation energy?

• 
• 
• 
• 
• 

Which energy profile diagrams show an exothermic reaction.

• 
• 
• 
• 
•