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Sagot :
Sure, let's go through the step-by-step solution for recording and calculating the dissolved oxygen difference at different temperatures:
### Step-by-Step Solution
1. Set Initial Conditions:
- Fish number: 0
- Plant number: 5
- Light intensity: 100%
- Light type: White light
2. Data Collection and Recording:
- Perform the experiment by setting the temperature to 15 degrees Celsius.
- Record the initial and final dissolved oxygen values. Here, the initial values are 10 for each temperature.
3. Data Recording for Different Temperatures:
- For 15 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 8
- Dissolved Oxygen Difference: [tex]\( 8 - 10 = -2 \)[/tex]
- For 20 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 7
- Dissolved Oxygen Difference: [tex]\( 7 - 10 = -3 \)[/tex]
- For 30 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 5
- Dissolved Oxygen Difference: [tex]\( 5 - 10 = -5 \)[/tex]
- For 35 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 4
- Dissolved Oxygen Difference: [tex]\( 4 - 10 = -6 \)[/tex]
### Tabulated Data
The recorded and calculated data is presented in the table below:
[tex]\[ \begin{array}{|c|c|c|c|} \hline \text{Temperature (C)} & \text{Dissolved Oxygen Start} & \text{Dissolved Oxygen End} & \text{Dissolved Oxygen Difference} \\ \hline 15 & 10 & 8 & -2 \\ \hline 20 & 10 & 7 & -3 \\ \hline 30 & 10 & 5 & -5 \\ \hline 35 & 10 & 4 & -6 \\ \hline \end{array} \][/tex]
This table summarizes the results of the dissolved oxygen experiment at varying temperatures, indicating how the dissolved oxygen values changed from the start to the end for each temperature setting.
### Step-by-Step Solution
1. Set Initial Conditions:
- Fish number: 0
- Plant number: 5
- Light intensity: 100%
- Light type: White light
2. Data Collection and Recording:
- Perform the experiment by setting the temperature to 15 degrees Celsius.
- Record the initial and final dissolved oxygen values. Here, the initial values are 10 for each temperature.
3. Data Recording for Different Temperatures:
- For 15 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 8
- Dissolved Oxygen Difference: [tex]\( 8 - 10 = -2 \)[/tex]
- For 20 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 7
- Dissolved Oxygen Difference: [tex]\( 7 - 10 = -3 \)[/tex]
- For 30 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 5
- Dissolved Oxygen Difference: [tex]\( 5 - 10 = -5 \)[/tex]
- For 35 degrees Celsius:
- Dissolved Oxygen Start: 10
- Dissolved Oxygen End: 4
- Dissolved Oxygen Difference: [tex]\( 4 - 10 = -6 \)[/tex]
### Tabulated Data
The recorded and calculated data is presented in the table below:
[tex]\[ \begin{array}{|c|c|c|c|} \hline \text{Temperature (C)} & \text{Dissolved Oxygen Start} & \text{Dissolved Oxygen End} & \text{Dissolved Oxygen Difference} \\ \hline 15 & 10 & 8 & -2 \\ \hline 20 & 10 & 7 & -3 \\ \hline 30 & 10 & 5 & -5 \\ \hline 35 & 10 & 4 & -6 \\ \hline \end{array} \][/tex]
This table summarizes the results of the dissolved oxygen experiment at varying temperatures, indicating how the dissolved oxygen values changed from the start to the end for each temperature setting.
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