C3.3 Energy Calcuations Flashcards Preview

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Flashcards in C3.3 Energy Calcuations Deck (4):
1

energy released=

mass of water heated x specific heat capacity x rise in temperature

2

Is breaking bonds endothermic?

yes

3

Is making bonds exothermic?

yes

4

What do you need to work out to calculate the energy change for a chemical reaction?

how much energy is needed to break the chemical bonds, how much energy is released when the new bonds are formed