Calorimetry + bond energies

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Last updated 2:48 PM on 3/21/26
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9 Terms

1
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What is the specific heat capacity of water?

4.18 kJ/mol

2
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What is specific heat capacity?

The amount of energy need to raise 1g of a substance by 1*C

3
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Equation to find amount of heat energy given out (or absorbed)

Q = mcΔT

4
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How to calculate energy change (per mole) - ΔH

ΔH = q / moles

5
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What is bond enthalpy?

The energy required to break one mole of a specific type of bond in a gaseous molecule

6
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What is a limitation of bond enthalpy?

Bond enthalpy can vary depending on chemical environment of the bond

7
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What is average bond enthalpy?

Calculated from actual values in different environments

8
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What is the ΔH of bond breaking?

  • ΔH = positive

  • endothermic

9
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What is ΔH of bond making?

  • ΔH = negative

  • exothermic