For the reaction- 2H2g-O2g- 2H2Og- - H-573-2kJThe heat decomposition of water per mole is-

Chemical Reactivity (Group 1)

For the react...

Question

For the reaction,
$2 H_{2} (g) + O_{2} (g) ⟶ 2 H_{2} O (g)$ , $Δ H = - 573.2 k J$
The heat decomposition of water per mole is:

286.6 k J

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573.2 k J

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- 28.66 k J

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zero

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2 H_{2} (g) + O_{2} (g) ⟶ 2 H_{2} O (g)

Δ H

Δ U

2 H_{2 (g)} + O_{2 (g)} \to 2 H_{2} O_{(l)};

Δ H = - 571.6 k J

H_{2}

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

Δ H = - 115.60 k c a l

H_{2}

2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (g)

Δ H = - 115.60 k c a l

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

Δ H = + 172.5

N_{2} (g) + 3 H_{2} (g) \to 2 N H_{3} (g)

Δ H = - 91.8

N_{2} (g) + O_{2} (g) \to 2 N O (g)

Δ H = + 181

2 H_{2} O (g) \to 2 H_{2} (g) + O_{2} (g); Δ H = 484.6

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