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3. spontaneous reactions: once you give them a little they will on their own. they tend to energy and give it their surroundings. a. total energy ( ), which is enthalpy. in biology our energy is in b . in a spontaneous reaction it gets smaller or b. entropy ( ) is a measure of the d /randomness of a system. in spontaneous reaction, entropy . c. temperature (t), if we i the temperature the spontaneous reaction is more likely to happen.

Sagot :

A spontaneous reaction is a reaction which occurs on its own, without providing any external energy. Spontaneous reactions are irreversible in nature.

A spontaneous reaction has an increase in entropy, ΔS(degree of randomness) and a decrease in enthalpy,ΔH in it.

An exothermic reaction, where there is decrease in enthalpy i.e ΔH is negative and an increase in entropy i.e ΔS is positive will always be spontaneous in nature.

The combination of enthalpy change and entropy change gives the free energy of a reaction , which is known as Gibb's free energy( ΔG°)

ΔG° = ΔH - TΔS

Here, temperature is a deciding factor when both ΔH and ΔS have opposite signs. With increase in temperature, the spontaneity of a reaction increases.

To know more about spontaneous reactions here

https://brainly.com/question/13976282

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