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Alexandra [31]
3 years ago
6

Will give brainliestExplain the differences between complete and incomplete combustion

Chemistry
2 answers:
Artyom0805 [142]3 years ago
8 0

Answer:

1) Complete combustion have enough oxygen present to produce carbon dioxide while incomplete combustion doesn't have enough oxygen

2) Complete combustion formula is:<u> </u><u>fuel+( plenty) oxygen--->Carbon-dioxide+</u>

<u>water while incomplete combustion is = Fuel+oxygen--->carbon monoxide+ water.</u>

Explanation:

Hope it helps.

Sphinxa [80]3 years ago
3 0
Complete combustion happens when there is enough oxygen to use up all the reactants. incomplete combustion happens when there isn’t enough oxygen to use up the reactants, resulting in smoke and less energy produced
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Answer:

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When 9.2 g of frozen N2O4 is added to a 0.50 L reaction vessel and the vessel is heated to 400 K and allowed to come to equilibr
Amanda [17]

<u>Answer:</u> The value of K_c for the given reaction is 1.435

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

\text{Molarity of the solution}=\frac{\text{Mass of solute}}{\text{Molar mass of solute}\times \text{Volume of solution (in L)}}

Given mass of N_2O_4 = 9.2 g

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Volume of solution = 0.50 L

Putting values in above equation, we get:

\text{Molarity of solution}=\frac{9.2g}{92g/mol\times 0.50L}\\\\\text{Molarity of solution}=0.20M

For the given chemical equation:

                 N_2O_4(g)\rightleftharpoons 2NO_2(g)

<u>Initial:</u>          0.20

<u>At eqllm:</u>     0.20-x        2x

We are given:

Equilibrium concentration of N_2O_4 = 0.057

Evaluating the value of 'x'

\Rightarrow (0.20-x)=0.057\\\\\Rightarrow x=0.143

The expression of K_c for above equation follows:

K_c=\frac{[NO_2]^2}{[N_2O_4]}

[NO_2]_{eq}=2x=(2\times 0.143)=0.286M

[N_2O_4]_{eq}=0.057M

Putting values in above expression, we get:

K_c=\frac{(0.286)^2}{0.143}\\\\K_c=1.435

Hence, the value of K_c for the given reaction is 1.435

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