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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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gaminglifex gaminglifex
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3 years ago
The heat combustion of acetylene, C2H2(g), at 25°C is –1299 kJ/mol. At this temperature, ΔHf° values for CO2(g) and H2O(l) are –393 and –286 kJ/mol, respectively. Calculate ΔHf° for acetylene.


▸ 2376 kJ/mol

▸ 625 kJ/mol

▸ 227 kJ/mol

▸ –625 kJ/mol

▸ –227 kJ/mol
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
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PhantasmagoriaPhantasmagoria
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