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vampirchik [111]
3 years ago
12

Nitrogen dioxide gas is obtained by the reaction of nitrogen monoxide gas and oxygen gas . Write a balanced chemical equation fo

r this reaction?
Chemistry
1 answer:
Ksivusya [100]3 years ago
3 0

<u>Answer:</u> The equation is written below.

<u>Explanation:</u>

For the formation of nitrogen dioxide, the reactants used are nitrogen monoxide and oxygen gas.

The balanced chemical equation for the above reaction is given as:

2NO(g)+O_2(g)\rightarrow 2NO_2(g)

By Stoichiometry of the reaction:

2 moles of nitrogen monoxide gas reacts with 1 mole of oxygen gas to produce 2 moles of nitrogen dioxide gas.

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An unknown triprotic acid (H3A) is titrated with NaOH. After the titration Ka1 is determined to be 0.0013 and Ka2 is determined
e-lub [12.9K]

Answer:

6.68 X 10^-11

Explanation:

From the second Ka, you can calculate pKa = -log (Ka2) = 6.187

The pH at the second equivalence point (8.181) will be the average of pKa2  and pKa3. So,

8.181 = (6.187 + pKa3) / 2

Solving gives pKa3 = 10.175, and Ka3 = 10^-pKa3 = 6.68 X 10^-11

7 0
3 years ago
This reaction type occurs when different atoms in two different compounds trade places.
Scorpion4ik [409]
Your answer would be D, single replacement
3 0
3 years ago
NEED HELP FAST
Blababa [14]

Answer: 1. Ethylene is a stable molecule with two carbon atoms connected by a double bond. Polyethylene is made by the reaction of multiple ethylene molecules in the presence of a catalyst.

2. The term “plastics” includes materials composed of various elements such as carbon, hydrogen, oxygen, nitrogen, chlorine, and sulfur.

3. Polyethylene (PE) is made by the reaction of multiple ethylene molecules in the presence of catalysts to break the double bond and connect the carbon atoms into a chain . The longer the chain, the higher the molecular weight. Polymers can have molecular weights in the millions.

Explanation:

6 0
3 years ago
An animal cell has a 0.9% saline environment is placed into a solution that is 9% saline. What will happen to the cell
Softa [21]

The concentration of cell is less than that of the solution .

Hence the cell will be called as hypotonic and the solution will be called as hypertonic.

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7 0
3 years ago
What is the volume (in liters) of a 5.98 gram sample of O2 at STP?
borishaifa [10]

Answer:

4.186 L

Explanation:

Using the pv=nrt equation and converting the grams of O2 into mols. After finding the number of mols by dividing 5.98 by 32 (2*the atomic weight of O) you plug that into the equation. So then you have 1*V=.186875*.08206*273 then you rearrange the equation to solve for v and get 4.186 L

4 0
3 years ago
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