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Mariulka [41]
3 years ago
13

If represents one atom of nitrogen, and represents one atom of oxygen, which picture represents 2NO2

Chemistry
2 answers:
storchak [24]3 years ago
7 0

Answer: D

Explanation:

Now go study ._.

Lostsunrise [7]3 years ago
4 0

Answer:

I do believe its D as well

Explanation:

and some people just dont have time like me lol.

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A reaction where one becomes two


2H202 --> 2H2O + O2

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1<br> The process of a solid turning into a liquid is called
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Melting

Explanation:

Once heat is added it will turn to a liquid

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Name the cycloalkanes with molecular formula c6h12 that have a 3-membered ring and two substituents.
Tanzania [10]

Answer:

1-ethyl-2-methyl cyclopropane.

Explanation:

  • The structure of the molecule will be as shown in the attached image.
  • The molecular formula of the compound is C₆H₁₂.
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Determination of the amount of patassium hydroxide in patassium hydroxide/Sodium carbonate mixture
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Answer:

do you still need this answer?

Explanation:

6 0
4 years ago
You have 4 moles of oxygen gas in a flask. 4 moles of helium gas is added. What happens to the total pressure of the gases in th
ASHA 777 [7]

Answer: The correct option is (c). The total pressure doubles.

Solution:

Initially,  only 4 moles of oxygen gas were present in the flask.

p_{O_2}=Tp_1\times X_{O_2}  (X_{O_2}=\frac{4}{4}) ( according to Dalton's law of partial pressure)

p_{O_2}=Tp_1\times 1=Tp_1....(1)

Tp_1= Total pressure when only oxygen gas was present.

Final total pressure when 4 moles of helium gas were added:

X'_{O_2}=\frac{4}{8}=\farc{1}{2},X_{He}=\frac{4}{8}=\frac{1}{2}

partial pressure of oxygen in the mixture :

Since, the number of moles of oxygen remains the same, the partial pressure of oxygen will also remain the same in the mixture.

p_{O_2}=Tp_2\times X'_{O_2}=Tp_2\times \frac{1}{2}

Tp_2= Total pressure of the mixture.

from (1)

Tp_1=Tp_2\times X'_{O_2}=Tp_2\times \frac{1}{2}

On rearranging, we get:

Tp_2=2\times Tp_1

The new total pressure will be twice of initial total pressure.

7 0
3 years ago
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