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If plant growth increases, more oxygen is released during photosynthesis, which can lead to an increase in dissolved oxygen levels in the surrounding water. This increase in dissolved oxygen is beneficial for aquatic organisms that rely on it for respiration. However, if plant growth becomes excessive, it can lead to oxygen depletion at night when plants respire, which may negatively impact aquatic life.
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Why does dissolved oxygen decrease in water?
Dissolved oxygen in water decreases due to factors like temperature increase, pollution, and excessive plant growth, which can lead to oxygen depletion and harm aquatic life.
What is the role of sodium azide in dissolved oxygen experiment?
Sodium azide is used in dissolved oxygen experiments to prevent bacterial growth in the water sample. Bacterial growth can consume oxygen, affecting the accuracy of the dissolved oxygen measurement. Sodium azide inhibits bacterial growth, ensuring more reliable results in the experiment.
How does algae growth affect dissolved oxygen levels?
Algae growth can lead to fluctuations in dissolved oxygen levels in water bodies. During daylight hours, algae photosynthesize and release oxygen, increasing dissolved oxygen levels. However, at night or when algae die and decay, they consume oxygen through the process of decomposition, which can lead to a decrease in dissolved oxygen levels, potentially creating hypoxic conditions for aquatic organisms.
What is the relationship between dissolved oxygen and pH levels in water?
The relationship between dissolved oxygen and pH levels in water is that higher pH levels can decrease the amount of dissolved oxygen in water. This is because as pH levels increase, the solubility of oxygen in water decreases. Conversely, lower pH levels can increase the amount of dissolved oxygen in water. pH levels outside of the optimal range can negatively impact aquatic life that relies on dissolved oxygen for survival.
What changes the amount of dissolved oxygen in the water?
Factors such as temperature, pressure, salinity, and the presence of organisms can affect the amount of dissolved oxygen in water. For example, higher temperatures typically result in lower dissolved oxygen levels, while photosynthesis by aquatic plants can increase dissolved oxygen through oxygen production.
Why does dissolved oxygen decrease in water?
Dissolved oxygen in water decreases due to factors like temperature increase, pollution, and excessive plant growth, which can lead to oxygen depletion and harm aquatic life.
What is the role of sodium azide in dissolved oxygen experiment?
Sodium azide is used in dissolved oxygen experiments to prevent bacterial growth in the water sample. Bacterial growth can consume oxygen, affecting the accuracy of the dissolved oxygen measurement. Sodium azide inhibits bacterial growth, ensuring more reliable results in the experiment.
Which would increase the amount of dissolved oxygen in a pond?
air
How does algae growth affect dissolved oxygen levels?
Algae growth can lead to fluctuations in dissolved oxygen levels in water bodies. During daylight hours, algae photosynthesize and release oxygen, increasing dissolved oxygen levels. However, at night or when algae die and decay, they consume oxygen through the process of decomposition, which can lead to a decrease in dissolved oxygen levels, potentially creating hypoxic conditions for aquatic organisms.
How is dissolve oxygen related to phytoplankton growth?
Oxygen is produced in photosynthesis by phytoplankton. High phytoplankton growth reflects high rate of photosyntesis which will reduce dissolved CO2 and enhance dissolved O2 in the water.
What is the relationship between dissolved oxygen and pH levels in water?
The relationship between dissolved oxygen and pH levels in water is that higher pH levels can decrease the amount of dissolved oxygen in water. This is because as pH levels increase, the solubility of oxygen in water decreases. Conversely, lower pH levels can increase the amount of dissolved oxygen in water. pH levels outside of the optimal range can negatively impact aquatic life that relies on dissolved oxygen for survival.
What changes the amount of dissolved oxygen in the water?
Factors such as temperature, pressure, salinity, and the presence of organisms can affect the amount of dissolved oxygen in water. For example, higher temperatures typically result in lower dissolved oxygen levels, while photosynthesis by aquatic plants can increase dissolved oxygen through oxygen production.
What should you do to increase the amount of carbon dioxide dissolved in the solution?
add oxygen
What happens to a penny in the ocean?
It will sink. And it will slowly oxidize from the dissolved oxygen in the water.
Normal ranges for dissolved oxygen test?
dissolved oxygen is dissolved oxygen
What is the oxygen dissolved in water is a?
The oxygen dissolved in water is a measure of dissolved oxygen (DO).
how does temperature affect the concentration of dissolved oxygen?
Temperature has a direct effect on the concentration of dissolved oxygen in water. As the temperature of the water increases, the solubility of oxygen decreases and the concentration of dissolved oxygen will decrease. Conversely, as the temperature of the water decreases, the solubility of oxygen increases and the concentration of dissolved oxygen will increase. Additionally, warmer water is generally less dense than colder water, resulting in less efficient oxygen transfer.
