Skip to content
    Chemistry A-Level

    Enthalpy change of combustion

    What Enthalpy change of combustion means in Chemistry A-Level, as defined for OCR.

    Definition of Enthalpy change of combustion

    Check what you remember

    Read the wording for your board, then hide it and explain Enthalpy change of combustion in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    The enthalpy change when one mole of a substance burns completely in excess oxygen under standard conditions, written as ∆cH.
    OCR · Enthalpy changes

    Topics that use Enthalpy change of combustion

    Related terms

    Using Enthalpy change of combustion in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Chemistry questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Chemistry A-Level terms