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94. Solving a chemistry problem

94. Solving a chemistry problem

Seller: Derkach

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Product description

  • Calculate the changes in entropy for reactions proceeding according to the equations:

2CH4(g) = C2H2(g) ZH2(g)

N2(g) ZH2(g) = 2NH3(g)

C (graphite) O2 (g) = CO2 (g)

Why in these reactions 0 > ΔS0298 ≥ 0.

Answer: 220.21 J/K; -198.26 J/K; 2.93 J/K.

Additional information

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