For A – products, time and concentration data were collected and plotted as shown. [A] (M) t (s) 0.850 00.0 0.611 30.0 (A] In[A] 1/[A] 0.439 60.0 0.316 90.0 Determine the reaction order, the rate constant, and the units of the rate constant. order = (units) k =

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Chapter1: Chemical Foundations
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order= ???

K= ???

**Educational Content on Reaction Kinetics**

**Reaction Details:**
For the reaction A → products, concentration and time data were collected as shown below:

| [A] (M) | t (s)  |
|----------|--------|
| 0.850    | 0.0    |
| 0.611    | 30.0   |
| 0.439    | 60.0   |
| 0.316    | 90.0   |

**Graphical Analysis:**
Three plots are provided to help determine the reaction order:

1. **Plot 1: Concentration vs. Time ([A] vs. t)**
   - This plot shows a downward curve starting from the top left and decreasing to the bottom right.
   
2. **Plot 2: Natural Log of Concentration vs. Time (ln[A] vs. t)**
   - This plot demonstrates a linear downward slope, indicating a line fitting with a negative slope.
   
3. **Plot 3: Inverse of Concentration vs. Time (1/[A] vs. t)**
   - This plot displays an upward curve starting from the bottom left and increasing to the top right.

**Determination Tasks:**
Determine the following:
- **Reaction order** by analyzing the linearity in the plots.
- **Rate constant (k)** and its units according to the determined reaction order.

**Answer Fields:**
- **Order =** [Enter reaction order based on plot analysis]
- **k =** [Enter calculated rate constant value] [Choose appropriate units]
Transcribed Image Text:**Educational Content on Reaction Kinetics** **Reaction Details:** For the reaction A → products, concentration and time data were collected as shown below: | [A] (M) | t (s) | |----------|--------| | 0.850 | 0.0 | | 0.611 | 30.0 | | 0.439 | 60.0 | | 0.316 | 90.0 | **Graphical Analysis:** Three plots are provided to help determine the reaction order: 1. **Plot 1: Concentration vs. Time ([A] vs. t)** - This plot shows a downward curve starting from the top left and decreasing to the bottom right. 2. **Plot 2: Natural Log of Concentration vs. Time (ln[A] vs. t)** - This plot demonstrates a linear downward slope, indicating a line fitting with a negative slope. 3. **Plot 3: Inverse of Concentration vs. Time (1/[A] vs. t)** - This plot displays an upward curve starting from the bottom left and increasing to the top right. **Determination Tasks:** Determine the following: - **Reaction order** by analyzing the linearity in the plots. - **Rate constant (k)** and its units according to the determined reaction order. **Answer Fields:** - **Order =** [Enter reaction order based on plot analysis] - **k =** [Enter calculated rate constant value] [Choose appropriate units]
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