Final answer:
Experimental errors that would make enthalpy higher include inadequate heating and decreased reaction time. Measurement precision and the accuracy of the thermometer affect the accuracy of the enthalpy measurement but not the actual enthalpy value.
Step-by-step explanation:
Experimental errors that would make enthalpy higher include inadequate heating and decreased reaction time.
- Inadequate heating: When a reaction is not heated properly, the reaction may not reach its full potential and the enthalpy change will be lower than expected.
- Decreased reaction time: If the reaction is not allowed enough time to fully react, the enthalpy change will be lower than expected. This can happen if the reaction is stopped prematurely.
Measurement precision and the accuracy of the thermometer are factors that affect the accuracy of the enthalpy measurement, but they do not directly make the enthalpy higher or lower. They affect the precision and accuracy of the measurement but not the actual enthalpy value.