Given- Cdiamond - O2- CO2- H - -395 kJ Cgraphite - O2- CO2- H - -393 kJThe heat of formation of the diamond from graphite is

The correct option is A +2.0 kJ C(diamond) + O_2→ CO_2; H = 395 kJ .... (i) C(graphite) + O_2→ CO_2; H = 393 kJ .... (ii) on subtracting Eq. ...

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Introduction

Given, Cdiam...

Question

Given,

$C (d i a m o n d) + O_{2} \to C O_{2}; △ H = - 395 k J$
$C (g r a p h i t e) + O_{2} \to C O_{2}; △ H = - 393 k J$

The heat of formation of the diamond from graphite is

+ 2.0 k J

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- 1.5 k J

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- 788 k J

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788 k J

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Solution

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Similar questions

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

(i n k c a l)

C_{(d i o m o n d)} + O_{2} (g) \to C O_{2} (g) . . . (i) (Δ H = - 94.5 k c a l) C_{(g r a p h i t e)} + O_{2} (g) \to C O_{2} (g) . . . (i i) (Δ H = - 94.0 k c a l)

C_{d i a m o n d} ⟶ + C_{g r a p h i t e}; Δ H = - 1.89 k J

C O_{2}

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

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 = - 94.5 K c a l

C (g r a p h i t e) + O_{2} \to C O_{2} (g); Δ H = - 94 K c a l

C_{d i a m o n d} ⟶ C_{g r a p h i t e}; Δ H = - 1.89 k J

6 g

6 g

C O_{2}

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