Methods to Determine Order of Reaction
CHXII04:CHEMICAL KINETICS

320523 The following data are for the decomposition of ammonium nitrate in aqueous solution
\(\begin{array}{*{20}{c}}{{\rm{Volume}}\,\,{\rm{of}}\,\,{{\rm{N}}_{\rm{2}}}\,\,{\rm{in}}\,\,{\rm{cc}}}&{{\rm{Time}}\,\,{\rm{(minutes)}}}\\{{\rm{6}}{\rm{.25}}}&{{\rm{10}}}\\{{\rm{9}}{\rm{.50}}}&{{\rm{15}}}\\{{\rm{11}}{\rm{.42}}}&{{\rm{20}}}\\{{\rm{13}}{\rm{.65}}}&{{\rm{25}}}\\{{\rm{35}}{\rm{.05}}}&{{\rm{Finally}}}\end{array}\)
The order of the reaction is

1 Zero
2 One
3 Two
4 Three
CHXII04:CHEMICAL KINETICS

320524 For the non-stoichiometric reaction, \({\rm{2A + B}} \to {\rm{C + D}}\), the following kinetic data were obtained in three separate experiments, all at \(298 \mathrm{~K}\).
The rate law for the formation of C is :
supporting img

1 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B]}}\)
2 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A}}{{\rm{]}}^{\rm{2}}}{\rm{[B]}}\)
3 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B}}{{\rm{]}}^{\rm{2}}}\)
4 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A]}}\)
CHXII04:CHEMICAL KINETICS

320525 What is the order of a chemical reaction that obeys the expression, \({{\rm{t}}_{{\rm{1/2}}}}{\rm{ = }}\frac{{\rm{1}}}{{{\rm{k}} \cdot {\rm{a}}}}\) ?

1 First
2 Second
3 Third
4 Fourth
CHXII04:CHEMICAL KINETICS

320523 The following data are for the decomposition of ammonium nitrate in aqueous solution
\(\begin{array}{*{20}{c}}{{\rm{Volume}}\,\,{\rm{of}}\,\,{{\rm{N}}_{\rm{2}}}\,\,{\rm{in}}\,\,{\rm{cc}}}&{{\rm{Time}}\,\,{\rm{(minutes)}}}\\{{\rm{6}}{\rm{.25}}}&{{\rm{10}}}\\{{\rm{9}}{\rm{.50}}}&{{\rm{15}}}\\{{\rm{11}}{\rm{.42}}}&{{\rm{20}}}\\{{\rm{13}}{\rm{.65}}}&{{\rm{25}}}\\{{\rm{35}}{\rm{.05}}}&{{\rm{Finally}}}\end{array}\)
The order of the reaction is

1 Zero
2 One
3 Two
4 Three
CHXII04:CHEMICAL KINETICS

320524 For the non-stoichiometric reaction, \({\rm{2A + B}} \to {\rm{C + D}}\), the following kinetic data were obtained in three separate experiments, all at \(298 \mathrm{~K}\).
The rate law for the formation of C is :
supporting img

1 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B]}}\)
2 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A}}{{\rm{]}}^{\rm{2}}}{\rm{[B]}}\)
3 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B}}{{\rm{]}}^{\rm{2}}}\)
4 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A]}}\)
CHXII04:CHEMICAL KINETICS

320525 What is the order of a chemical reaction that obeys the expression, \({{\rm{t}}_{{\rm{1/2}}}}{\rm{ = }}\frac{{\rm{1}}}{{{\rm{k}} \cdot {\rm{a}}}}\) ?

1 First
2 Second
3 Third
4 Fourth
CHXII04:CHEMICAL KINETICS

320523 The following data are for the decomposition of ammonium nitrate in aqueous solution
\(\begin{array}{*{20}{c}}{{\rm{Volume}}\,\,{\rm{of}}\,\,{{\rm{N}}_{\rm{2}}}\,\,{\rm{in}}\,\,{\rm{cc}}}&{{\rm{Time}}\,\,{\rm{(minutes)}}}\\{{\rm{6}}{\rm{.25}}}&{{\rm{10}}}\\{{\rm{9}}{\rm{.50}}}&{{\rm{15}}}\\{{\rm{11}}{\rm{.42}}}&{{\rm{20}}}\\{{\rm{13}}{\rm{.65}}}&{{\rm{25}}}\\{{\rm{35}}{\rm{.05}}}&{{\rm{Finally}}}\end{array}\)
The order of the reaction is

1 Zero
2 One
3 Two
4 Three
CHXII04:CHEMICAL KINETICS

320524 For the non-stoichiometric reaction, \({\rm{2A + B}} \to {\rm{C + D}}\), the following kinetic data were obtained in three separate experiments, all at \(298 \mathrm{~K}\).
The rate law for the formation of C is :
supporting img

1 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B]}}\)
2 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A}}{{\rm{]}}^{\rm{2}}}{\rm{[B]}}\)
3 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A][B}}{{\rm{]}}^{\rm{2}}}\)
4 \(\frac{{{\rm{dc}}}}{{{\rm{dt}}}}{\rm{ = k[A]}}\)
CHXII04:CHEMICAL KINETICS

320525 What is the order of a chemical reaction that obeys the expression, \({{\rm{t}}_{{\rm{1/2}}}}{\rm{ = }}\frac{{\rm{1}}}{{{\rm{k}} \cdot {\rm{a}}}}\) ?

1 First
2 Second
3 Third
4 Fourth