At 1 Atm Pressure the Heat of Sublimation of Gallium

question 20

Multiple Choice

At 1 atm pressure the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is 271 kJ/mol.How much heat is required to melt 1.50 mol of gallium at 1 atm pressure?

• A)6 kJ
• B)9 kJ
• C)268 kJ
• D)271 kJ

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