From the thermochemical reactions- Cgraphite-12O2- CO- H-110-5kJ CO-12O2-CO2- H-283-2kJthe heat of reaction of Cgraphite-O2-CO2 is-

The correct option is B 393.7kJ Given reactions are, C_(graphite) +12O_2 → CO #160; #160; #160; #160; #160; #160; #160; #160; ...

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Law of Mass Action

From the ther...

Question

From the thermochemical reactions,
$C_{(g r a p h i t e)} + \frac{1}{2} O_{2} \to C O; Δ H = - 110.5 k J$
$C O + \frac{1}{2} O_{2} \to {C O}_{2}; Δ H = - 283.2 k J$
the heat of reaction of $C_{(g r a p h i t e)} + O_{2} \to {C O}_{2}$ is:

+ 393.7 k J

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- 393.7 k J

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- 172.7 k J

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+ 172.7 k J

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From the thermo chemical reactions,

$C_{(g r a p h i t e)} + \frac{1}{2} O_{2} \to C O; Δ H = - 110.5 K J$

$C O + \frac{1}{2} O_{2} \to C O_{2}; Δ H = - 283.2 K J .$

$Δ H$ for the reaction, $C_{(g r a p h i t e)} + O_{2} \to C O_{2}$ is:

From the thermochemical reactions,

C + 1/2O₂ → CO; ∆H = -110.5 kJ

CO + 1/2O₂→ CO₂; ∆H = -283.2 kJ

The heat of reaction C + O₂ → CO₂ is:

C

+ \frac{1}{2} O_{2} \to C O; Δ H = - 110.5

C O + \frac{1}{2} O_{2} \to C O_{2}; Δ H = - 283.2

C (graphite) + O_{2} \to C O_{2}

C (g r a p h i t e) + \frac{1}{2} O_{2} \to C O Δ H_{1} = - 110.5 k J / m o l

C O + \frac{1}{2} O_{2} \to C O_{2} Δ H = - 283.2 k J / m o l

k J / m o l

C (g r a p h i t e) + O_{2} \to C O_{2} Δ H = ?

C_{D i a m o n d} + O_{2} \to C O_{2} (g); Δ H = - 94.3 k c a l

C_{G r a p h i t e} + O_{2} \to C O_{2} (g); Δ H = - 97.6 k c a l

C_{d i a m o n d} \to C_{g r a p h i t e}

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