Answered

Connect with knowledgeable experts and enthusiasts on IDNLearn.com. Our platform provides detailed and accurate responses from experts, helping you navigate any topic with confidence.

Run the experiment and collect the following data:

1. Set the fish number to 0 and the plant number to 5. Leave the other variables at the default values ([tex]$100\%$[/tex] light intensity, white light).
2. Set the temperature to 15 degrees.
3. Record the starting and ending oxygen values.
4. Repeat steps 2 and 3 for 20, 30, and 35 degrees.
5. Calculate and record the DO difference.

[tex]\[
\begin{tabular}{|c|c|c|c|}
\hline
\text{Temperature (C)} & \text{Dissolved Oxygen Start} & \text{Dissolved Oxygen End} & \text{Dissolved Oxygen Difference} \\
\hline
15 & & & \\
\hline
20 & & & \\
\hline
30 & & & \\
\hline
35 & & & \\
\hline
\end{tabular}
\][/tex]

Sagot :

GinnyAnsweridn
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.
We appreciate your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. Your search for answers ends at IDNLearn.com. Thanks for visiting, and we look forward to helping you again soon.