1. Consider the following reaction at 25 °C C2H2 H2 CH4 ∆Hf° (kJ/mol) 226.73 0 -78.81 ∆Sf° (J/mol K) 200.8 130.6 186.2 Calculate Keq for the above reaction at 25 °C.

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blackyak679Lv1

20 Jun 2018

1. Consider the following reaction at 25 °C

C₂H₂ H₂ CH₄

∆H_f^° (kJ/mol) 226.73 0 -78.81

∆S_f^° (J/mol K) 200.8 130.6 186.2

Calculate Keq for the above reaction at 25 °C.

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pucebuffalo277Lv1

2 Jun 2021

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Related questions

Given the following table of thermodynamic data,


substance	SÂ°
C₂H₂ (g)	200.8 J/mol âK
C₂H₄ (g)	219.4
C₂H₆ (g)	229.5
H₂ (g)	130.58

determine the D SÂ° (in J/mol âK) for the reaction:

C₂H₂ (g) + H₂ (g) Â® C₂H₄ (g)

	â111.98
	â101.88
	â232.46
	+111.98
	+101.88

HBr dissociates into its gaseous elements H2 and Br2 at elevatedtemperatures. Calculate the percent dissociation at 375 degrees Cand 1 atm. What would be the percent dissociation at 375 degrees Cand 10 atm? use any reasonable approximation to obtain K.

HBr(g) H2 Br2(g)

ÎHf(Kj/mol) -36.44 0 30.91 KJ

S(j/mol-k) 198.6 130.6 245.3 J/K