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Questions
Answer the following in one or two sentences.
What is enthalpy of fusion?
Define enthalpy of fusion.
Solution
Enthalpy change that occurs when one mole of a solid is converted into liquid without a change in temperature at constant pressure is the enthalpy of fusion.
RELATED QUESTIONS
Answer in brief.
What is the enthalpy of atomization? Give an example.
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Define the Enthalpy of vaporization.
Why work done in vacuum is zero?
Define the Enthalpy of atomization.
The enthalpy change for the reaction; \[\ce{Na_{(s)} -> Na_{(l)}}\] is called enthalpy of ____________.
The enthalpy change for the transition of liquid water to steam, ∆vapH = 37.3 kJ mol−1 at 373 K. The entropy change for the process is ____________.
The enthalpy change for the chemical reaction \[\ce{H2O_{(s)} -> H2O_{(l)}}\] is called enthalpy of ______.
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How does entropy change in the following process? Explain.
Condensation of vapour
Enthalpy of fusion of ice at 0°C and 1 atmosphere is 6.01 kJ mol - 1 and enthalpy of evaporation of water at 0°C and 1 atmosphere is 45.07 kJ mo1 - 1. Calculate the enthalpy of sublimation of one mole of ice at 0°C and 1 atmosphere. Write the equation for the same.
Calculate the time required to deposit 2.4 g of \[\ce{Cu}\], when 2.03 A of current passed through \[\ce{CuSO4}\], solution. (At. mass of \[\ce{Cu}\] = 63.5 g mol−1)
