The melting point of a solid is 300 K at 1 atm. Its enthalpy of fusion is $\Delta H_{fus}=6.0$ kJ mol⁻¹ and the molar volume change on melting is $\Delta V_{fus}=1.2$ cm³ mol⁻¹. Using the Clapeyron equation, estimate the pressure required to raise the melting point by 10 K.

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1.7×10⁸ Pa (≈1.7×10³ bar)

Neco Model Questions Vol1 2019 Chemistry Question 37

The melting point of a solid is 300 K at 1 atm. Its enthalpy of fusion is \(\Delta H_{fus}=6.0\) kJ mol⁻¹ and the molar volume change on melting is \(\Delta V_{fus}=1.2\) cm³ mol⁻¹. Using the Clapeyron equation, estimate the pressure required to raise the melting point by 10 K.

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Neco Model Questions Vol1 2019 Chemistry Question 37

The melting point of a solid is 300 K at 1 atm. Its enthalpy of fusion is \(\Delta H_{fus}=6.0\) kJ mol⁻¹ and the molar volume change on melting is \(\Delta V_{fus}=1.2\) cm³ mol⁻¹. Using the Clapeyron equation, estimate the pressure required to raise the melting point by 10 K.

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The melting point of a solid is 300 K at 1 atm. Its enthalpy of fusion is \(\Delta H_{fus}=6.0\) kJ mol⁻¹ and the molar volume change on melting is \(\Delta V_{fus}=1.2\) cm³ mol⁻¹. Using the Clapeyron equation, estimate the pressure required to raise the melting point by 10 K.