(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

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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 0.750 mol/s, what arethe rates of change of O2(g), CO2(g), and H2O(g)?
(delta)O2(g)/(delta)t = ________mol/s
(delta)CO2(g)/(delta)t = ________mol/s
(delta)H2O(g)/(delta)t = _________mol/s
(b) The decomposition reaction given below:
2 NH3(g) 1 N2(g) + 3 H2(g)
is carried out in a closed reaction vessel. If the partialpressure of NH3(g) is decreasing at the rate of 250. torr/min, whatis the rate of change of the total pressure in the vessel?
(delta)Ptot /(delta)t = ________torr/min