QUESTIONS 9 - 10 refer to the graph below showing the changes in reactant and product concentration with time, as the system initially approaches equilibrium and then undergoes changes. The forward reaction is exothermic. O2(g) + 2NO(g) 2NO2(g) .6 .5 [] .4 .3 .2 .1 0 NO S NO₂ 1 t₂ time NO 02 NO2 ¹3 ¹4 NO 02 10. The change that occurred at t2 must have been NO2 9. The value of the equilibrium constant for the initial equilibrium is a) 1.11 b) 0.600 c) 0.900 d) 0.833 t5 t6 a) a decrease in temperature. b) an increase in temperature. c) addition of an inert gas with no change in volume. d) a decrease in pressure. e) an increase in pressure. NO₂ 02 NO t7 tg e) 1.20

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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QUESTIONS 9 - 10 refer to the graph below showing the changes in reactant and product
concentration with time, as the system initially approaches equilibrium and then undergoes changes.
The forward reaction is exothermic.
O2(g) + 2NO(g)
→ 2NO2(g)
.6
.5
[]
.4
.3
.2
-
00
NO
02
NO₂
t1 time
¹2
NO
02
NO 2
¹3
t
¹4
NO 02
10.
The change that occurred at t2 must have been
NO2
9.
The value of the equilibrium constant for the initial equilibrium is
a) 1.11
b) 0.600
c) 0.900
d) 0.833
¹5 ¹6
a) a decrease in temperature.
b) an increase in temperature.
c) addition of an inert gas with no change in volume.
d) a decrease in pressure.
e) an increase in pressure.
NO₂
02
NO
t7
8
e) 1.20
Transcribed Image Text:QUESTIONS 9 - 10 refer to the graph below showing the changes in reactant and product concentration with time, as the system initially approaches equilibrium and then undergoes changes. The forward reaction is exothermic. O2(g) + 2NO(g) → 2NO2(g) .6 .5 [] .4 .3 .2 - 00 NO 02 NO₂ t1 time ¹2 NO 02 NO 2 ¹3 t ¹4 NO 02 10. The change that occurred at t2 must have been NO2 9. The value of the equilibrium constant for the initial equilibrium is a) 1.11 b) 0.600 c) 0.900 d) 0.833 ¹5 ¹6 a) a decrease in temperature. b) an increase in temperature. c) addition of an inert gas with no change in volume. d) a decrease in pressure. e) an increase in pressure. NO₂ 02 NO t7 8 e) 1.20
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