Also explain why it is TRUE or FALSE A) m and n are always integers B) The sum,

Question

Also explain why it is TRUE or FALSE

A) m and n are always integers

B) The sum, m + n, is the overall reaction order.

C) Since the balanced stoichiometric equation involves three reactant molecules, the overall reaction order must be three.

D)   The reaction rate constant, k, is a positive number.

E) If the reaction is first order with respect to NO(g) and zero order with respect to O2(g) then the proper dimension of k is “time-1”.

The rate of oxygen consumption during the gas phase reaction, 2 NO(g) + O2(g) 2 NO2(g) can be represented by the following differential rate expression: d[o d t Identify whether each of the following statements is TRUE or FALSE

Explanation / Answer

A) m and n are always integers   -   FALSE

m and n are frquently integers , but not always. they must be determined by experiment. not by simply looking at the balanced equation.

B) The sum, m + n, is the overall reaction order. ----- TRUE

overall order = m + n

C) Since the balanced stoichiometric equation involves three reactant molecules, the overall reaction order must be three.   ------- FALSE

reaction order must be determined by experiment. not by simply looking at the balanced equation.

D)   The reaction rate constant, k, is a positive number.   ------ TRUE

rate constant is always a positive , neimeraical value

E) If the reaction is first order with respect to NO(g) and zero order with respect to O2(g) then the proper dimension of k is “time-1”.   --------   TRUE.

overall order = 1 + 0 = 1

rate constant = 1 / min = min-1

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