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Serjik [45]
3 years ago
6

Look at the picture​

Chemistry
1 answer:
Trava [24]3 years ago
3 0
C is the answer did y get it right
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Answer:

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2 years ago
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The reaction 2NO(g)+Cl2(g)→2NOCl(g) is carried out in a closed vessel. If the partial pressure of NO is decreasing at the rate o
Luba_88 [7]

Answer : The rate of change of the total pressure of the vessel is, 10.5 torr/min.

Explanation : Given,

\frac{d[NO]}{dt} =21 torr/min

The balanced chemical reaction is,

2NO(g)+Cl_2(g)\rightarrow 2NOCl(g)

The rate of disappearance of NO = -\frac{1}{2}\frac{d[NO]}{dt}

The rate of disappearance of Cl_2 = -\frac{d[Cl_2]}{dt}

The rate of formation of NOCl = \frac{1}{2}\frac{d[NOCl]}{dt}

As we know that,

\frac{d[NO]}{dt} =21 torr/min

So,

-\frac{d[Cl_2]}{dt}=-\frac{1}{2}\frac{d[NO]}{dt}

\frac{d[Cl_2]}{dt}=\frac{1}{2}\times 21torr/min=10.5torr/min

And,

\frac{1}{2}\frac{d[NOCl]}{dt}=\frac{1}{2}\frac{d[NO]}

\frac{d[NOCl]}{dt}=\frac{d[NO]}=21torr/min

Now we have to calculate the rate change.

Rate change = Reactant rate - Product rate

Rate change = (21 + 10.5) - 21 = 10.5 torr/min

Therefore, the rate of change of the total pressure of the vessel is, 10.5 torr/min.

8 0
3 years ago
A diagram is a:
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Answer: A) A Visual representation of Information

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Look up the definition of a diagram, it usually defines as what you would think. Example: If I drew a person and I wanted to represent who they were, that would be a diagram

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What type of reaction does the generalized equation AB-->A+B represent?
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How can you determine the number of valence electrons in an atom using the periodic table?
katrin2010 [14]

Answer:

The answer to your question is below

Explanation:

Valence electrons are the electrons located in the outermost shell of an atom.

In the periodic table atoms are ordered in groups which considered the valence electrons.

For example:

Group IA: all the atoms in this group have 1 valence electron.

Group IIA: the elements in this group have 2 valence electrons.

Group IIIA: the elements in this group have 3 valence electrons.

.

.

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Group VIIA: the elements in this group have 7 valence electrons.

Group VIIIA: the elements in this group have 8 valence electrons.

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