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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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jayyyz214 jayyyz214
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3 years ago
At 1.0133 bar, the heat of sublimation of gallium is 277 kJ mol-1 and the heat of vaporization is 271 kJ mol-1. To the correct number of significant figures, how much heat is required to melt 5.50 mol of gallium at 1.0133 bar?

▸ 6 kJ

▸ 33 kJ

▸ 244 kJ

▸ 274 kJ
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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dora19dora19
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A year ago
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 4.50 mol of gallium at 1 atm pressure?
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