Skip to content
    Physics A-Level

    Moles and molar gas constant

    What Moles and molar gas constant means in Physics A-Level, as defined for OCR.

    Definition of Moles and molar gas constant

    Check what you remember

    Read the wording for your board, then hide it and explain Moles and molar gas constant in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: OCR

    n is the number of moles of gas and R is the molar gas constant, 8.31 J mol⁻¹ K⁻¹.
    OCR · Ideal gases (study guide)

    Topics that use Moles and molar gas constant

    Related terms

    Using Moles and molar gas constant 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 Physics 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 Physics A-Level terms