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23 Nov 2019

B+C--->D
D-->E
a)Assuming the steady state aproximation is valid for (D) what isthe rate of reaction in terms of appearance of E?
b)what is the order of the reaction?
c) what is the overall reaction equation?

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Trinidad Tremblay
Trinidad TremblayLv2
19 Aug 2019

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Related questions

Consider the reaction:

aA + bB -->C--> dD +eE C=Catalyst

The rate law is: k[A]q[B]r[C]s

Which of the following statements is incorrect?

A The exponents q and r are always equal to the coefficients a and b, respectively.

B The overall reaction order is q + r + s.

C The exponent s must be determined experimentally.

D The symbol k represents the rate constant.

E The exponents q, r and s are often integers.

How to set up the rate expressions for the followingmechanism?

A --> B k1

B --> A k2

B+C --> D k3

If the concentration of B is small compared with theconcentrations of A, C, and D, the steady-state approximation maybe used to derive the rate law. Derive the rate law, and show thatthis reaction may follow the first-order equation at high pressuresand the second-order equation at low pressures.

MECHANISMS: Consider the following mechanism for the reaction:

Step 1: E(g) <===> 3 B(g) (fast, but reversible)

Step 2: 2 B(g) -----> C(g) + D(g) (slow)

Step 3: B(g) + D(g) ------> G(g) (fast)

a) What is the overall reaction?

b) What is the rate law for the overall reaction? The order(s) might be fractions.

c) What are the intermediates in the mechanism?

d) What is the rate determining step in the mechanism?

e) What is the molecularity of each of the elementary steps?

f) What is the difference between a transition state and an intermediate?

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