Which of the following equations has have enthalpy changes equal to -HcombC I- Cs- O 2 g- C O 2 g II- Cs- 1 2 O 2 g- COg III- COg- 1 2 O 2 g- C O 2 g

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Equipartition Theorem

Which of the ...

Question

Which of the following equations has have enthalpy changes equal to $Δ H_{c o m b} C$
$I$ . $C (s) + O_{2} (g) ⟶ C O_{2} (g)$
$I I$ . $C (s) + \frac{1}{2} O_{2} (g) ⟶ C O (g)$
$I I I$ . $C O (g) + \frac{1}{2} O_{2} (g) ⟶ C O_{2} (g)$

I

and

I I

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I, I I

and

I I I

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I

and

I I I

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I

only

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C (s) + \frac{1}{2} O_{2} (g) \to C O (g); Δ H_{1} = a

C O (g) + \frac{1}{2} O_{2} (g) \to C O_{2} (g); Δ H_{2} = b

C (s) + C O_{2} (g) \to 2 C O (g); Δ H_{3} = c

C (s) + O_{2} (g) ⟶ {C O}_{2} (g) + x k J

C O (g) + \frac{1}{2} O_{2} (g) ⟶ {C O}_{2} (g) + y k J

C O (g)

C

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

Δ_{r} H^{o} = x k J m o l^{- 1}

C

+ \frac{1}{2} O_{2} (g) \to C O (g)

Δ_{r} H^{o} = y k J m o l^{- 1}

C O (g) + \frac{1}{2} O_{2} (g) \to C O_{2} (g)

Δ_{r} H^{o} = z k J m o l^{- 1}

C (s) + O_{2} (g) \to C O_{2} (g), Δ H = + 94.0 K c a l .

C O (g) + \frac{1}{2} O_{2} (g) \to C O_{2} (g), Δ H = - 67.7 K c a l .

^{- 1}

C (s) + \frac{1}{2} O_{2} (g) \to C O (g)

C O (g) + \frac{1}{2} O_{2} (g) ⇌ C O_{2} (g)

2 C O (g) + O_{2} (g) ⇌ 2 C O_{2} (g)

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