Without Performing Complex Calculations,determine the Order of a Reaction That

question 9

Multiple Choice

Without performing complex calculations,determine the order of a reaction that has the following initial rates for the specified starting concentration: $$\begin{array} { l | l } { [ \mathrm { A } ] ( \mathrm { mol } \mathrm { L }^{ - 1 } ) } & \text { Initial Rate } \left( \mathrm { mol } \mathrm { L } ^ { - 1 } \mathrm {~s} ^ { - 1 } \right) \\\hline 0.0143 & 3.00 \times 10 ^ { - 3 } \\0.0429 & 9.00 \times 10 ^ { - 3 } \\0.0715 & 1.5 \times 10 ^ { - 2 }\end{array}$$

• A)zero order
• B)first order
• C)second order
• D)third order
• E)impossible to determine

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