9. The following reaction was allowed to reach equilibrium at 761 K. H2 (g) + 12 (g) 2HI (g) AH < 0 Outline the effect, if any, of each of the following changes on the position of equilibrium, giving a reason in each case. Effect Reason Increasing the volume, at constant temperature Increasing the temperature, at constant pressure

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9. The following reaction was allowed to reach equilibrium at 761 K.
H2 (g) + I2 (g)= 2HI (g)
AH < 0
Outline the effect, if any, of each of the following changes on the position of
equilibrium, giving a reason in each case.
Effect
Reason
Increasing the volume,
at constant temperature
Increasing the
temperature, at constant
pressure
Transcribed Image Text:9. The following reaction was allowed to reach equilibrium at 761 K. H2 (g) + I2 (g)= 2HI (g) AH < 0 Outline the effect, if any, of each of the following changes on the position of equilibrium, giving a reason in each case. Effect Reason Increasing the volume, at constant temperature Increasing the temperature, at constant pressure
PCI5(g) and Cl2(g) were placed in a sealed flask and allowed to reach equilibrium
at 200 °C. The enthalpy change, AH, for the decomposition of PCI5(g) is positive.
3.00 –
Cl,(g)
2.00
PCL,(g)
1.00
PCL(g)
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
Time / min
topic_7_SL_quiz.pdf
Concentration / moldm
Transcribed Image Text:PCI5(g) and Cl2(g) were placed in a sealed flask and allowed to reach equilibrium at 200 °C. The enthalpy change, AH, for the decomposition of PCI5(g) is positive. 3.00 – Cl,(g) 2.00 PCL,(g) 1.00 PCL(g) 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 Time / min topic_7_SL_quiz.pdf Concentration / moldm
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