State whether or not each reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?

a. The reaction is spontaneous.
b. The reaction can be made spontaneous by raising the temperature.
c. The reaction can be made spontaneous by lowering the temperature.
d. The reaction can not be spontaneous at any temperature.

Question

08-11-2019
Chemistry

contestada

State whether or not each reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?

a. The reaction is spontaneous.
b. The reaction can be made spontaneous by raising the temperature.
c. The reaction can be made spontaneous by lowering the temperature.
d. The reaction can not be spontaneous at any temperature.

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Diatonic254 Diatonic254 · Answer 1 · 2019-11-13T07:37:14+01:00

B

Raising the temperatures gives the molecules of the reactant high kinetic energy. When the energy levels of the molecules go above those of the activation energy, the forward reaction of the reaction will proceed

Explanation:

A spontaneous reaction is one that naturally favors forward reaction towards the products. No external work is required on the system to push it forward. Mostly, these reactions are endothermic. The reason they are spontaneous is that the activation energy of the reactants is low.

Unspontaneous reaction requires work form the environment to help the reactants surmount their high activation energies before the reaction proceeds spontaneously towards the products.

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ahsan57900 ahsan57900 · Answer 2 · 2022-04-12T11:37:47+02:00

A change in temperature make the reaction spontaneous.

Why change in temperature make the reaction spontanous?

At a relatively low temperature such as below 273K, the melting is not spontaneous but when the temperature rises above 273K, the process becomes spontaneous because the larger T value has tipped the sign of ΔG over to being negative.

So we can conclude that a change in temperature make the reaction spontaneous.

Learn more about temperature here: https://brainly.com/question/25677592