Homework Help: chemistry

Posted by Shanta on Friday, January 8, 2010 at 11:36am.

Please help!!! Desperate for answer!!!?

Did the equation do not know the 2nd questions"s answers for the problems

a) 2O3(g) = 3 O2(g) + heat (O3 IS UNDERLINED)
[6.0x10-1] [0.21]

b) 2 CO2 (g) + heat = 2 CO(g) +O2(g) (CO IS UNDERLINED)
[0.103] [0.024] [1.18 x10-2]

c) NO2(g) + O2(g) + heat =NO (g) + O3(g) (NO IS UNDERLINED)
[0.072] [0.083] [6.73X10-2] [6.73 X10-2]
.

For all three equilibria in problem #1 predict(1) how Ke is affected by an increase in temperature,(2)predict how the equilibrium will shift when pressure is decreased,(3)predict how the equilibrium will shift when the concentration of the underlined substance is increased ,and (4)predict how the equilibrium will shift when the temperature is decreased
chemistry - christina, T

chemistry - bobpursley, Friday, January 8, 2010 at 2:15pm
I will do one, and be happy to critique your thinking.

b) it is endothermic, so adding heat (temperature) will increase the forward reaction. For pressure, shifting to the right increases the amount of volumes generated (3 volumes) from the reactant (2volumes). So, and increase in pressure will shift to the left to relieve the pressure, and vice versa. If you increase the amount of CO, the reaction will try to rid that by shifting to the left.
chemistry - cristina, Tuesday, April 6, 2010 at 9:16pm
a solution that is 0.170 M in sodium formate (HCOONa) and .200 M in formic acid (HCOOH)

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