What is the order with respect to chemical A if the method of initial rates gives this data: Experiment 1: [A] = 0.300 M, Initial Rate = (1.67x10^-5) M/min %3D Experiment 2: [A] = 0.900 M, Initial Rate = (3.580x10^-4) M/min %3D ***NOTE: Do NOT round the order to a whole number.*** Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer.

Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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What is the order with respect to chemical A if the method of initial rates gives this data:

Experiment 1: [A] = 0.300 M, Initial Rate = (1.67×10^-5) M/min

Experiment 2: [A] = 0.900 M, Initial Rate = (3.580×10^-4) M/min

***NOTE: Do NOT round the order to a whole number.***

Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer.

Do not round any intermediate calculations.

Note: Your answer is assumed to be reduced to the highest power possible.

Your Answer: \_\_\_\_ x10^\(\_\_\_\_\) 

Answer: [Text box for answer entry]
Transcribed Image Text:What is the order with respect to chemical A if the method of initial rates gives this data: Experiment 1: [A] = 0.300 M, Initial Rate = (1.67×10^-5) M/min Experiment 2: [A] = 0.900 M, Initial Rate = (3.580×10^-4) M/min ***NOTE: Do NOT round the order to a whole number.*** Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: \_\_\_\_ x10^\(\_\_\_\_\) Answer: [Text box for answer entry]
**Reaction Rate Law Problem**

The rate law for a certain reaction is found to be:  
\[ \text{Rate} = k [A]^3 [B]^3 \]

If the initial rate is found to be \(5.29 \times 10^3\) M/hr when \([A] = 0.400 \, \text{M}\) and \([B] = 0.200 \, \text{M}\), what will be the initial rate (in M/hr) if \([A] = 0.400 \, \text{M}\) and \([B] = 0.600 \, \text{M}\)?

**HINT:** First calculate the rate constant, \(k\), using the information given for the first experiment. Then use that \(k\) value in the rate law to determine the rate of the other set of concentrations.

**Instructions:**

- Enter your answer in scientific notation with 3 significant figures. Do not include any units in your answer.
- Do not round any intermediate calculations.

**Note:** Your answer is assumed to be reduced to the highest power possible.

**Your Answer:**  
\[ \boxed{\phantom{0}} \times 10^{\boxed{}} \]

This exercise demonstrates how to apply a rate law to determine reaction rates under varying concentration conditions, emphasizing the calculation of the rate constant and the importance of significant figures in scientific calculations.
Transcribed Image Text:**Reaction Rate Law Problem** The rate law for a certain reaction is found to be: \[ \text{Rate} = k [A]^3 [B]^3 \] If the initial rate is found to be \(5.29 \times 10^3\) M/hr when \([A] = 0.400 \, \text{M}\) and \([B] = 0.200 \, \text{M}\), what will be the initial rate (in M/hr) if \([A] = 0.400 \, \text{M}\) and \([B] = 0.600 \, \text{M}\)? **HINT:** First calculate the rate constant, \(k\), using the information given for the first experiment. Then use that \(k\) value in the rate law to determine the rate of the other set of concentrations. **Instructions:** - Enter your answer in scientific notation with 3 significant figures. Do not include any units in your answer. - Do not round any intermediate calculations. **Note:** Your answer is assumed to be reduced to the highest power possible. **Your Answer:** \[ \boxed{\phantom{0}} \times 10^{\boxed{}} \] This exercise demonstrates how to apply a rate law to determine reaction rates under varying concentration conditions, emphasizing the calculation of the rate constant and the importance of significant figures in scientific calculations.
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