Boltzmann constant
What Boltzmann constant means in Physics A-Level, as defined for AQA, OCR.
Definitions of Boltzmann constant
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Reference: OCR
The gas constant per single particle, given by k = R / NA and approximately 1.38 × 10⁻²³ J K⁻¹.
The constant k in pV = NkT, equal to 1.38 × 10⁻²³ J K⁻¹.
Topics that use Boltzmann constant
- Ideal gases (A-level only) (AQA A-Level)
- Ideal gases (OCR A-Level)
Related terms
- Absolute zero
- Avogadro constant
- Gas laws
- Kelvin scale
- Molar gas constant
- Assumptions of ideal-gas behaviour
- Assumptions of kinetic theory
- Boyle's law
Using Boltzmann constant in the exam
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