(a) Consider the combustion of butane, given below: 2 C4H10(g) + 13 O2(g)  8 CO2(g) + 10 H2O(g) If C4H10(g) is decreasing at the rate of 0.190 mol/s, what are the rates of change of O2(g), CO2(g), and H2O(g)? O2(g)/t =  _____mol/s CO2(g)/t = _____ mol/s H2O(g)/t =  ______mol/s (b) The decomposition reaction given below: 2 NOCl(g)  2 NO(g) + 1 Cl2(g) is carried out in a closed reaction vessel. If the partial pressure of NOCl(g) is decreasing at the rate of 520. torr/min, what is the rate of change of the total pressure in the vessel? Ptot /t = _____ torr/min

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Chapter1: Chemical Foundations
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(a) Consider the combustion of butane, given below:

2 C4H10(g) + 13 O2(g)  8 CO2(g) + 10 H2O(g)

If C4H10(g) is decreasing at the rate of 0.190 mol/s, what are the rates of change of O2(g), CO2(g), and H2O(g)?



O2(g)/t =  _____mol/s

CO2(g)/t = _____ mol/s

H2O(g)/t =  ______mol/s




(b) The decomposition reaction given below:

2 NOCl(g)  2 NO(g) + 1 Cl2(g)

is carried out in a closed reaction vessel. If the partial pressure of NOCl(g) is decreasing at the rate of 520. torr/min, what is the rate of change of the total pressure in the vessel?



Ptot /t = _____ torr/min




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