Raising the temperature of a system favors the reaction that

Asked by admin @ 28/10/2021 in Chemistry viewed by 236 People

Which two changes would make this reaction favor the formation of products? 2502 +02= 2503 + energy A. Raising the temperature B. Decreasing the pressure O C. Decreasing the temperature D. Raising the pressure

Answered by admin @ 28/10/2021

C. Decreasing the temperature

D. Raising the pressure

Further explanation

Given

Reaction

2SO₂+O₂⇔2SO₃+energy

Required

Changes to the formation of products

Solution

The formation of SO₃ is an exothermic reaction (releases heat)

If the system temperature is raised, then the equilibrium reaction will reduce the temperature by shifting the reaction in the direction that requires heat (endotherms). Conversely, if the temperature is lowered, then the equilibrium shifts to a reaction that releases heat (exothermic)

While on the change in pressure, then the addition of pressure, the reaction will shift towards a smaller reaction coefficient

in the above reaction: the number of coefficients on the left is 3 (2 + 1) while the right is 2

As the temperature decreases, the equilibrium will shift towards the exothermic reaction, so the reaction shifts to the right towards SO₃( products-favored)

And increasing the pressure, then the reaction shifts to the right SO₃( products-favored)⇒the number of coefficients is greater

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Raising the temperature of a system favors the reaction that

Further explanation

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