CRC Problem Sheet (Kegerreis and Richardson) Week of Feb 19th Tutor/Prof Initial

Question

CRC Problem Sheet (Kegerreis and Richardson) Week of Feb 19th Tutor/Prof Initials NAME: Mason keller- Directions: Complete your work on this form. Please make sure to have a tutor or professor initial each problem as you complete them. You do not have to complete your work in one sitting. 16.16.) Express the rate of this reaction in terms of the change in concentration of each of the reactants and products, and determine the rate of consumption of A if the measured rate of consumption of B is -0.5 Ms A(g) + 2 B (g) C (g)

Explanation / Answer

The sign for rate of reaction for reactants will be negative and for products it will be positive.

rA /a = rB /b = rC /c

Here a,b,c are stoiciometric coefficients.

for the given reaction, a = -1 ; b= -2 and c= 1

Rate of reaction = - dCA/ dt = -(1/2) dCB/ dt =  dCC/ dt

or rA /-1 = rB /-2 =  rC /1

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Given , rB = -0.5

we know that,

-rA = rB /-2 = -0.5 /-2 = 0.25

thus, rA = - 0.25 Ms-1

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