The rate of a certain reaction is given by the following rate law: rate =k[H,°[NH,] Use this information to answer the questions below. What is the reaction order in H2? What is the reaction order in NH3? What is overall reaction order? At a certain concentration of H2 and NH3, the initial rate of reaction is 10.0 M / s. What would the initial rate of the reaction be if the concentration of H2 were halved? Round M S your answer to 3 significant digits. The rate of the reaction is measured to be 0.220 M / s when [H2] = 1.2 M and [NH3] = 1.7 M. Calculate the value of the - 2 -1 k = •S rate constant. Round your answer to 2 significant digits.

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### Rate Law and Reaction Orders

The rate of a certain reaction is given by the following rate law:
\[ \text{rate} = k[H_2]^2[NH_3] \]

Use this information to answer the questions below.


| Question                                                                                                                    | Answer                                   |
|-----------------------------------------------------------------------------------------------------------------------------|------------------------------------------|
| What is the reaction order in \( H_2 \)?                                                                                    |                                          |
| What is the reaction order in \( NH_3 \)?                                                                                   |                                          |
| What is overall reaction order?                                                                                             |                                          |
| At a certain concentration of \( H_2 \) and \( NH_3 \), the initial rate of reaction is \( 10.0 \, M/s \). What would the initial rate of the reaction be if the concentration of \( H_2 \) were halved? Round your answer to 3 significant digits. | \( \quad \dfrac{M}{s} \)                     |
| The rate of the reaction is measured to be \( 0.220 \, M/s \) when \([H_2] = 1.2 \, M \) and \([NH_3] = 1.7 \, M \). Calculate the value of the rate constant. Round your answer to 2 significant digits. | \( k = \quad M^{-2} \cdot s^{-1} \)  |
Transcribed Image Text:### Rate Law and Reaction Orders The rate of a certain reaction is given by the following rate law: \[ \text{rate} = k[H_2]^2[NH_3] \] Use this information to answer the questions below. | Question | Answer | |-----------------------------------------------------------------------------------------------------------------------------|------------------------------------------| | What is the reaction order in \( H_2 \)? | | | What is the reaction order in \( NH_3 \)? | | | What is overall reaction order? | | | At a certain concentration of \( H_2 \) and \( NH_3 \), the initial rate of reaction is \( 10.0 \, M/s \). What would the initial rate of the reaction be if the concentration of \( H_2 \) were halved? Round your answer to 3 significant digits. | \( \quad \dfrac{M}{s} \) | | The rate of the reaction is measured to be \( 0.220 \, M/s \) when \([H_2] = 1.2 \, M \) and \([NH_3] = 1.7 \, M \). Calculate the value of the rate constant. Round your answer to 2 significant digits. | \( k = \quad M^{-2} \cdot s^{-1} \) |
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