What is meant by the term specific heat capacity?

Specific heat capacity is the energy required to raise the temperature of 1 g of a substance by 1°C without a change of state.

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What is the equation to calculate the heat energy transferred during a chemical reaction?

Q = m x c x ΔT


Where:

Q = heat energy transferred (J)

m = mass (g)

c = specific heat capacity (J/g°C)

ΔT = temperature change (°C)

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What does molar enthalpy measure?

Molar enthalpy is the energy transferred per mole of a substance in a chemical reaction. 

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What is the equation for calculating molar enthalpy change?

ΔH = number of molesΔQ


Where:

ΔH = molar enthalpy change (kJ/mol)

ΔQ = heat energy transferred (kJ)

number of moles = moles of fuel used (mol)

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