Skip to content
    Chemistry A-Level

    Averaging over gaseous compounds

    What Averaging over gaseous compounds means in Chemistry A-Level, as defined for OCR.

    Definition of Averaging over gaseous compounds

    Check what you remember

    Read the wording for your board, then hide it and explain Averaging over gaseous compounds in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    The same bond has slightly different strengths in different molecules, so a single averaged value is used for calculations.
    OCR · Enthalpy changes

    Topics that use Averaging over gaseous compounds

    Related terms

    Using Averaging over gaseous compounds 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