At 1 Atm Pressure,the Heat of Sublimation of Gallium Is

question 87

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.To the correct number of significant figures,how much heat is required to melt 2.50 mol of gallium at 1 atm pressure?

• A)6 kJ
• B)20 kJ
• C)262 kJ
• D)274 kJ

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