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11 Dec 2019

Consider the combustion of ethylene, C2H4(g)+3O2(g)-->2CO2(g)+2H20(g). If the concentration of C2H4 is decreasing at the rate of 0.036 M/s, what are the rates of change in the concentrations of CO2 and H2O

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Hubert Koch
Hubert KochLv2
13 Dec 2019

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Related questions

(a) Consider the combustion of ethylene, given below.

C2H4(g) + 3 O2(g) ? 2 CO2 (g) + 2 H2O (g)

If the concentration of C2H4 is decreasing at the rate of 0.26 M/s, what are the rates of change in the concentrations of CO2 and H2O?
CO2

(b) The rate of decrease in N2H4 partial pressure in a closed reaction vessel from the following reaction is 41 torr/hr.

N2H4 (g) + H2 (g) ? 2 NH3 (g)

What are the rates of change of NH3 partial pressure and total pressure in the vessel?
NH3

​Compounds with carbon-carbon double bonds, such as ethylene, C2H4, add hydrogen in a reaction called hydrogenation.

C2H4(g)+ H2(g)---> C2H6(g)

Calculate the enthaply change for this reaction, using the following combustion data:

C2H4(g)+ 3O2(g)---> 2H2O(l), (delta) H = -1411 KJ

C2H6(g)+ 7/2O2(g)---> 2CO2(g)+ 3H2O(l), (delta) H = -1560 KJ

H2(g)+ 1/2O2(g)---> H2O(l), (delta) H = -286 KJ

C2H4(g)+2O2(g) ---> 2CO2(g)+2H20(g)

2.55 mol C2H4 and 5.00 mole of O2 are placed in a 2.00 L reaction vessel at 900K and allowed to react . At equilibrium 0.679 mile of CO has formed in the 2.00 L vessel. What is the concentration of C2H4 that remains at equailbrium ?

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