F5 Thermochemistry

Heat is measured in 

• joules
• grams
• degrees celcius

What does it means with THERMOCHEMISTRY?

• Study of electrical energy in a chemical reaction

• Study of potential energy in a chemical reaction

• Study of heat energy in a chemical reaction

• Study of magnetic energy in a chemical reaction

What is exothermic reaction?

• Release heat to the surrounding

• Absorb heat from surrounding

What is endothermic reaction?

• Heat released to the surrounding

• Heat absorbed from the surrounding

What is the name of the reaction?

• Respiration

• Combustion

• Playing fire

• Photosynthesis

What type of reaction?

• Exothermic

• Endothermic

For exothermic reaction, temperature after the reaction is _______ than the temperature before the reaction

• equal

• higher

• lower

For endothermic reaction, temperature after the reaction is _______ than the temperature before the reaction

• equal

• higher

• lower

Heat is _________ when bond is broken

• Absorbed

• Released

• Sustained

Heat is _________ when bond is formed

• Absorbed

• Released

• Sustained