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Q: What is the maximum concentration of oxygen allowed for safe entry into a confined space?
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What is the percent oxygen concentration if the water temperature is 10 degrees celsius and the oxygen concentration is 12 ppm?

The concentration of oxygen in water is 88,88 %.


What happens to the concentration of oxygen in the water when the sewage is added?

The concentration of oxygen decrease.


What happens to the concentration of oxygen in water when the sewage is added?

The concentration of oxygen decrease.


Proper o2 flow for a non-rebreather mask?

A nonrebreather mask (NRB) should have an oxygen flow rate of at least 10 liters per minute in order to deliver the maximum oxygen concentration.


What is Minimum Oxygen limit to work in confined space?

19.5


For a fresh water lake to maintain a healthy 0.225 mM or higher concentration of dissolved oxygen required to maintain a healthy aquatic system what is maximum temperature of H20?

For a healthy environment, the temperature of a body of water needs to be inversely proportional to the concentration of dissolved oxygen in it. The higher the oxygen level, the temperature needs to be lower to promote fish growth.


What process does a cell with a low concentration of oxygen will likely gain oxygen molecules from an area with a higher oxygen concentration have to go through?

Diffusion.


How would the concentration of ozone molecules change if the concentration of oxygen molecules decreased?

If oxygen decreased, ozone will decrease. It is because ozone is made from oxygen.


Which plant release maximum oxygen?

Ficus religiosa (Peepal) plant release maximum oxygen.


Oxygen diffuses into the capillaries of the lungs because there is?

It diffuses because the concentration of oxygen in the capillaries is lower than the concentration of oxygen in the air (law of diffusion).


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.


What is the maximum oxygen concentration that can be delivered with a self inflating bag without an oxygen reservoir?

40% If a self-inflating bag is connected to a 100% oxygen source, oxygen enters the bag through tubing connected between an O source and the O inlet port on the bag. However, each time you squeeze it, air (O concentration 21%) is drawn into the bag through the air inlet. The air is dilutes the concentration of O in the bag. -NRP Textbook AHA and AAP, 6th Edition. pg. 118-119