Three resonance structures of the given anion are possible. One is given, but it is incomplete. Complete the given structure by
1 answer:
Answer:
Explanation:
The missing incomplete resonance structure is attached in the image below. From there, we can see the addition of the nonbonding electrons and its' formal charge which makes the resonance structure a complete resonance structure. The others two resonance structure that can be derived from the complete structure is also shown in the image. Out of these three structures, the structure that contributes most to the hybrid is the structure with the negative charge on the oxygen.
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The question is incomplete, here is the complete question:
Iron (III) oxide and hydrogen react to form iron and water, like this:
At a certain temperature, a chemist finds that a 8.9 L reaction vessel containing a mixture of iron(III) oxide, hydrogen, Iron, and water at equilibrium has the following composition.
Compound Amount
Fe₂O₃ 3.95 g
H₂ 4.77 g
Fe 4.38 g
H₂O 2.00 g
Calculate the value of the equilibrium constant Kc for this reaction. Round your answer to 2 significant digits.
<u>Answer:</u> The value of equilibrium constant for given equation is
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:
- <u>For hydrogen gas:</u>
Given mass of hydrogen gas = 4.77 g
Molar mass of hydrogen gas = 2 g/mol
Volume of the solution = 8.9 L
Putting values in above expression, we get:
- <u>For water:</u>
Given mass of water = 2.00 g
Molar mass of water = 18 g/mol
Volume of the solution = 8.9 L
Putting values in above expression, we get:
For the given chemical equation:
The expression of equilibrium constant for above equation follows:
Concentration of pure solids and pure liquids are taken as 1 in equilibrium constant expression.
Putting values in above expression, we get:
Hence, the value of equilibrium constant for given equation is