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Using the Following Thermochemical Equation, Determine the Amount of Heat

Question 50

Multiple Choice

Using the following thermochemical equation, determine the amount of heat produced from the combustion of 24.3 g benzene (C6H6) . The molar mass of benzene is 78.11 g Using the following thermochemical equation, determine the amount of heat produced from the combustion of 24.3 g benzene (C<sub>6</sub>H<sub>6</sub>) . The molar mass of benzene is 78.11 g . 2C<sub>6</sub>H<sub>6</sub>(l) + 15O<sub>2</sub>(g) → 12CO<sub>2</sub>(g) + 6H<sub>2</sub>O(g) H°<sub> </sub>= -6278 kJ A) 3910 kJ C<sub>6</sub>H<sub>6</sub> B) 1950 kJ C<sub>6</sub>H<sub>6</sub> C) 977 kJ C<sub>6</sub>H<sub>6</sub> D) 40.1 kJ C<sub>6</sub>H<sub>6</sub> E) 0.302 kJ C<sub>6</sub>H<sub>6</sub> . 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(g) Using the following thermochemical equation, determine the amount of heat produced from the combustion of 24.3 g benzene (C<sub>6</sub>H<sub>6</sub>) . The molar mass of benzene is 78.11 g . 2C<sub>6</sub>H<sub>6</sub>(l) + 15O<sub>2</sub>(g) → 12CO<sub>2</sub>(g) + 6H<sub>2</sub>O(g) H°<sub> </sub>= -6278 kJ A) 3910 kJ C<sub>6</sub>H<sub>6</sub> B) 1950 kJ C<sub>6</sub>H<sub>6</sub> C) 977 kJ C<sub>6</sub>H<sub>6</sub> D) 40.1 kJ C<sub>6</sub>H<sub>6</sub> E) 0.302 kJ C<sub>6</sub>H<sub>6</sub> H° = -6278 kJ


A) 3910 kJ C6H6
B) 1950 kJ C6H6
C) 977 kJ C6H6
D) 40.1 kJ C6H6
E) 0.302 kJ C6H6

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