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Virty [35]
3 years ago
7

Carbon monoxide injures cells by a. crystallization of cellular organelles. b. promotion of free radicals. c. reducing oxygen le

vel on hemoglobin. d. destruction of cellular membranes.
Chemistry
1 answer:
serg [7]3 years ago
7 0

Answer:

c. reducing oxygen level on hemoglobin.

Explanation:

Carbon monoxide, whose chemical formula is CO, is an odorless, colorless, flammable and highly toxic gas. It can cause death when breathing at difficult levels. It occurs when combustible materials such as gas, gasoline, kerosene, coal, oil, tobacco or wood are burned in low oxygen environments. Fireplaces, boilers, water heaters and household appliances that burn fuel, such as stoves, can also produce it if they are not working properly. Vehicles stopped with the engine running also fire him.

Carbon monoxide modifies the amount of oxygen available to cells, which hinders cellular function.

Carbon monoxide binds tightly to hemoglobin preventing the red blood cell from carrying adequate oxygen, leading to hypoxic injury. Other chemicals such as carbon tetrachloride promote free radicals, which injure cells and destroy cellular membranes.

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3. At STP, how many liters of oxygen gas are required to react completely with 3.2 x 10^22
Mrrafil [7]

The volume of oxygen required to react with 3.2 * 10²² molecules of hydrogen is 0.56 L.

<h3>What is stoichiometric law?</h3>

The stoichiometric law has been given as the representation of the moles of product and reactant in a chemical reaction are represented by the stoichiometric coefficient.

It has been known that 1 mole of a compound has 6.023 * 10²³ molecules. Thus, the moles of hydrogen gas equivalent to 3.2 * 10²² molecules has been:

6.023 * 10²³ molecules = 1 mole

3.2 * 10²² molecules = 1/6.023 * 10²³ * 3.2 * 10²² moles

3.2 * 10²²  molecules = 0.05 moles

Thus, the moles of hydrogen gas available is 0.05 moles.

From the stoichiometric law, according to the balanced chemical equation,

2 moles of hydrogen requires = 1 moles of oxygen

0.05 moles of hydrogen requires = 1/2 * 0.05 moles oxygen

0.05 moles of hydrogen requires =  0.025 moles oxygen

Thus, the moles of oxygen required is 0.025 moles. At STP, a mole of gas been equivalent to 22.4 L . Thus, the volume of 0.025 moles oxygen has been:

1 mole = 22.4 L

0.025 moles = 22.4 * 0.025 L

0.025 mole = 0.56 L

Thus, the volume of oxygen required to react with 3.2 * 10²² molecules of hydrogen is 0.56 L.

Learn more about stoichiometric law, here:

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7 0
2 years ago
Which of the following represents a physical change?
julsineya [31]
A. Phase changing. When phase changes nothing chemically changes about the substance, its still the same thing.
8 0
3 years ago
Read 2 more answers
Which clouds are often associated with thunder and lightning?
FrozenT [24]
Cumulonimbus clouds, of course!. These clouds are known to carry rain, hail, and thunder. Bigger versions are known as supercells, deadly storms that can spew out tons of rain, hail, wind, and even tornadoes!
6 0
3 years ago
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If you have a 12.0 gram steel ball at sea level and then take it up to mt. Fuji what will change?
andrey2020 [161]
The air pressure. the air pressure increases as the altitude an object is at increases.
8 0
3 years ago
2 NaCL + CaO = CaCL2 + Na2O
Naily [24]

222 grams of calcium chloride is produced.

<h3><u>Explanation</u>:</h3>

The mole concept and the chemical equation are very much closely related with each other. In the chemical reaction, the compounds or elements in both sides are balanced according to the number of atoms of each side of the reaction. So from there we can easily find the amount of reactant reacts to produce desired product.

Here we can see that 2 moles of sodium chloride produces 1 mole of calcium chloride.

So, 4 moles of sodium chloride will produce 2 moles of calcium chloride.

Now, atomic weight of calcium =40.

Atomic weight of chlorine =35.5.

So,the molecular weight of calcium chloride = 40+ 35.5\times2

=111.

It means, 1 mole of calcium chloride weighs 111 grams.

So 2 moles of calcium chloride weighs 111\times2 grams = 222 grams.

7 0
3 years ago
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