C_{(s)} + O_{2(g)} rightarrow CO_{2(g)} + 400 | vedclass

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(D) Given equations:$C_{(s)} + O_{2(g)} \rightarrow CO_{2(g)} + 400 \; kJ \; (I)$$C_{(s)} + \frac{1}{2} O_{2(g)} \rightarrow CO_{(g)} + 100 \; kJ \; (

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$6600$

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(D) Given equations:$C_{(s)} + O_{2(g)} ightarrow CO_{2(g)} + 400 \; kJ \; (I)$$C_{(s)} + \frac{1}{2} O_{2(g)} ightarrow CO_{(g)} + 100 \; kJ \; (II)$Mass of coal $= 0.6 \; kg = 600 \; g$Pure Carbon $= 600 	imes \frac{60}{100} = 360 \; g$Moles of pure Carbon $= \frac{360 \; g}{12 \; g/mol} = 30 \; mol$Carbon converted into $CO = 30 	imes 0.60 = 18 \; mol$Carbon converted into $CO_2 = 30 - 18 = 12 \; mol$Energy from $CO$ formation $= 18 \; mol 	imes 100 \; kJ/mol = 1800 \; kJ$Energy from $CO_2$ formation $= 12 \; mol 	imes 400 \; kJ/mol = 4800 \; kJ$Total heat generated $= 1800 \; kJ + 4800 \; kJ = 6600 \; kJ$

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