An ethanol burner may be used to warm water. If the relevant measurements are recorded, a value for the enthalpy of combustion of ethanol can be worked out. The equation $\text{heat transferred} = -mc\Delta T$ is used as part of the calculation. Which symbols are correctly described?
- A1, 2 and 3
- B1 and 2 only
- C2 and 3 only
- D1 only