Word Count : 175

---

For an intrinsic vacancy concentration in a metal the usual approximation is $ \dfrac{n_v}{N} \approx \exp\!\left(-\dfrac{\Delta H_f}{RT}\right)$, where $\Delta H_f$ is the molar enthalpy of vacancy formation, $R$ the ____ _____ __________ _______ _______ _______ _______ __________ _________ ________ _______.
__________ ____ _________ ___ _______.
_________ ________ _____ ____ _____ ___.
________ _________ _______ _______ __________.
_____ ____ _________ ________ _______ __________.
__________ _______ _________ ___ ______ _______ ____ _________ _________ _______ __________.
___ _________ _______ ________ __________ _______.
______ _______ ____ ______ ___.
_____ ________ _________ _______ _____ _________ __________ ____ ________.
__________ __________ ___ ___ _______ ________ ___ _____.
______ _____ ________ _______ _________ ____ ________.
___ ____ __________ _________ ____ ______ _____ _________ _____ ___.
___ ______ ____ ___ ________ ___ __________ _____.
________ ________ _________ ____ _________ ________ _____ ____ __________ ________.
_________ ________ ___ _______ _______.
_____ _____ ________ ______ ___ ________ _________.
_______ _____ ________ _______ ______ ________ _________ ________ __________ ________ ______ _____.
_____ ___ ____ ___ ______ _________ ____ ______ _____.
_______ _________ ____ __________ _______ ____.
Get Full Answer on WhatsApp