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Papessa [141]
2 years ago
5

Consider the following equilibrium between N2O4 and NO2.[Heat is added to a brown 2 NO2 gas to yield a colorless N2O4 gas]Which

condition would cause the reaction to become darker brown?a.Low temperatureb. High pressurec. Small volumed. High temperature
Chemistry
2 answers:
atroni [7]2 years ago
8 0

Answer:

run the reaction at a higher temperature

Explanation:

LekaFEV [45]2 years ago
7 0

Answer:

a.Low temperature

Explanation

Equation of reaction:

2NO2 <==> N2O4(g) ∆H = +ve

To cause the reaction to become darker brown means to produce more of NO2 gas. That is backward reaction.

Since the reaction is endothermic, decrease in temperature will shift the equilibrium position to the left thereby favouring backward reaction. This is in line with Me Chatelier's principle.

High pressure will rather favour forward reaction (it is not the right option).

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During combustion, methane yields carbon dioxide and water. The unbalanced equation for this reaction is:CH4(g)+O2(g) → CO2(g)+
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CH₄(g)  +  2O₂(g) → CO₂(g)  +  2H₂O(l)

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CH4(g)+O2(g) → CO2(g)+ H2O(l)

To balance a chemical equation, you must have the same mole of each element in both sides of the reaction (reactant side and product side)

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2 C

8 H

8 O

In  both side.

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Mole ratios for the balanced equation be:

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