o the equation: 2CHCIF: (g)=C:F+ (g) + 2HC1(g) AH® = +128 kJ m ol A 1.0 mol sample of CHCIF: is placed in a container of volume 18.5 L and neated. When equilibrium is reached, the mixture contains 0.20 mol of CHCIF:. a) Calculate the number of moles of C:F. and the number of moles of HCl present at equilibrium. b) Calculate a value for Kc and give its units.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Tetrafluoroethene, C:F4, is obtained from chlorodifluoromethane, CHCIF:, according
to the equation:
2CHCIF: (g) = C:F+ (g) + 2HC1(g)
AH = +128 kJ m ol
A 1.0 mol sample of CHCIF2 is placed in a container of volume 18.5 L and
heated. When equilibrium is reached, the mixture contains 0.20 mol of CHCIF2.
(a) Calculate the number of moles of C:F4 and the number of moles of HCl
present at equilibrium.
(b) Calculate a value for Kc and give its units.
Transcribed Image Text:Tetrafluoroethene, C:F4, is obtained from chlorodifluoromethane, CHCIF:, according to the equation: 2CHCIF: (g) = C:F+ (g) + 2HC1(g) AH = +128 kJ m ol A 1.0 mol sample of CHCIF2 is placed in a container of volume 18.5 L and heated. When equilibrium is reached, the mixture contains 0.20 mol of CHCIF2. (a) Calculate the number of moles of C:F4 and the number of moles of HCl present at equilibrium. (b) Calculate a value for Kc and give its units.
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