The heat of combustion of benzene at 27 -C found by bomb calorimeter i-e- for the reaction C 6 H 6l -7 1 - 2 O 2g - 6CO 2g - 3H 2 O l is 780 K-Cal mol -1- The heat evolved on burning 39g of benzene in an open vessel will be

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Burning And Combustion

The heat of c...

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The heat of combustion of benzene at $27^{\circ} C$ found by bomb calorimeter i.e. for the reaction $C_{6} H_{6 (l)} + 7 \frac{1}{2} O_{2 (g)} \to {6 C O}_{2 (g)} + {3 H}_{2} O_{(l)}$ is 780 K.Cal ${m o l}^{- 1}$ . The heat evolved on burning 39g of benzene in an open vessel will be

390 K.Cal

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780.9 K.Cal

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390.45 K.Cal

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780 K.Cal

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25^{0} C

C_{6} H_{6 (I)} + 7 \frac{1}{2} O_{2 (g)} \to 6 C O_{2 (g)} + 3 H_{2} O_{(l)}

C_{6} H_{6} (l) + \frac{15}{2} O_{2} (g) \to {3 H}_{2} O (l) + {6 C O}_{2} (g)

C_{6} H_{6} (l)

H_{2} O (l)

{C O}_{2} (g)

C_{6} H_{6} (l) + 7 \frac{1}{2} O_{2} (g) \to 3 H_{2} O (l) + 6 C O_{2} (g), Δ H = - 781.0 K c a l m o l^{- 1}

156 g o f C_{6} H_{6}

3263.9 k J m o l^{- 1}

25^{o} C

25^{\circ} C

C_{6} H_{6 (1)} + 7 \frac{1}{2} O_{2} (g) \to 6 C O_{2 (g)} + 3 H_{2} O_{(1)}

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