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VikaD [51]
3 years ago
11

(6, -3) is an example of a _____.

Chemistry
1 answer:
amid [387]3 years ago
8 0

Answer:

it is not clear

but I think you are mean a oxidation state for element or compound ( molecule )

like -4 in  [Cr(CO)4]4−

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How many moles of water in 100 grams
Bond [772]

Answer:

There are approximately 5.55 moles

Explanation:

6 0
2 years ago
A sample of ammonia gas was allowed to come to equilibrium at 400 K. 2NH3(g) <---> N2(g) 3H2(g) At equilibrium, it was fou
Softa [21]

Answer:

Kc for this equilibrium is 2.30*10⁻⁶

Explanation:

Equilibrium occurs when the rate of the forward reaction equals the rate of the reverse reaction and the concentrations of reactants and products are held constant.

Being:

aA + bB ⇔ cC + dD

the equilibrium constant Kc is defined as:

Kc=\frac{[C]^{c}*[D]^{d}  }{[A]^{a} *[B]^{b} }

In other words, the constant Kc is equal to the multiplication of the concentrations of the products raised to their stoichiometric coefficients by the multiplication of the concentrations of the reactants also raised to their stoichiometric coefficients. Kc is constant for a given temperature, that is to say that as the reaction temperature varies, its value varies.

In this case, being:

2 NH₃(g) ⇔ N₂(g) + 3 H₂(g)

the equilibrium constant Kc is:

Kc=\frac{[N_{2} ]*[H_{2} ]^{3}  }{[NH_{3} ]^{2} }

Being:

  • [N₂]= 0.0551 M
  • [H₂]= 0.0183 M
  • [NH₃]= 0.383 M

and replacing:

Kc=\frac{0.0551*0.0183^{3}  }{0.383^{2} }

you get:

Kc= 2.30*10⁻⁶

<u><em>Kc for this equilibrium is 2.30*10⁻⁶</em></u>

8 0
3 years ago
What is the colour of Bromine
nydimaria [60]
Reddish brown colour
5 0
3 years ago
Read 2 more answers
Periodic table <br> fill in the box :)
Natalija [7]

Answer:

I took a screen shot of your image, and wrote on top of it!

Explanation:

Hope this helps! :)

6 0
2 years ago
QUESTION 10
iris [78.8K]

Answer:

B

Explanation:

Phosphofructokinase-1

6 0
2 years ago
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