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kondor19780726 [428]
3 years ago
14

Helpppp ppleaseeee ill mark you as brainlister

Chemistry
1 answer:
Rama09 [41]3 years ago
8 0

Answer:

chlorine is diatomic so you wouldnt have to say "di" because it is a commonly known thing in chemistry.

Explanation:

pls mark brainliest tyyy ❤

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Gaseous ICl (0.20 mol) was added to a 2.0 L flask and allowed to decompose at a high temperature:
Ne4ueva [31]

Answer:

The Kc is 1.36 (but this is not an option, may be the options are wrong, or may be I was .. Thanks!)

Explanation:

Let's think all the situation.

               2 ICl(g)   ⇄   I₂(g)    +    Cl₂(g)

Initially      0.20              -               -

Initially I have only 0.20 moles of reactant, and nothing of products. In the reaction, an x amount of compound has reacted.

React          x              x/2               x/2

Because the ratio is 2:1, in the reaction I have the half of moles.

So in equilibrium I will have

           (0.20 - x)          x/2             x/2

Notice that I have the concentration in equilibrium so:

0.20 - x = 0.060

x = 0.14

So in equilibrium I have formed 0.14/2 moles of I₂ and H₂ (0.07 moles)

Finally, we have to make, the expression for Kc and remember that must to be with concentration in M (mol/L).

As we have a volume of 2L, the values must be /2

Kc = ([I₂]/2 . [H₂]/2) / ([ICl]/2)²

Kc = (0.07/2 . 0.07/2) / (0.060/2)²

Kc = 1.225x10⁻³ / 9x10⁻⁴

Kc = 1.36

8 0
3 years ago
Do periods run left to right on the periodic table
Sergio039 [100]

Answer:

correct

have a good day :)

Explanation:

7 0
3 years ago
Blank are a class of drugs made up of chemicals that emit toxic papers
mestny [16]

inhalants? did you mean vapors?

3 0
3 years ago
When a sodium (Na) atom forms an ion so that it looks like a noble gas with a full valence shell, what will its charge be?
Setler79 [48]

Answer:

I believe 1+

Explanation:

when Na loses 1 electron in the outer shell it has 8 valence protons on it's new most outer shell. so now it has 11 protons and 10 electrons. that extra proton (positively charged) adds one extra charge. so +1

5 0
3 years ago
Which chemical equation is unbalanced?
aalyn [17]

Answer:

Explanation:

1.c+o----->co2

And

2.sr+o2--->2sro

I hope this helps

6 0
2 years ago
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