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Chemical reactions occur spontaneously when the free energy of the product is less than the free energy of the reactants. Free energy is a combination of thermal energy (heat) and entropy. If thermal energy is absorbed during a reaction, there must be an exceptionally large increase in entropy to give a net reduction in free energy.
What else can I help you with?
Reactions that release heat as bonds are broken are called .?
exothermic
Why endothermic reactions cannot be spontaneous reactions?
Endothermic reactions require an input of energy to proceed, which means they do not occur spontaneously. Spontaneous reactions release energy to their surroundings, unlike endothermic reactions that absorb energy from the surroundings. Therefore, endothermic reactions cannot be spontaneous as they need an external energy source to drive the reaction forward.
How do chemical reactions that absorbs energy are called?
Endothermic reactions absorb energy in the form of heat from the surroundings. These reactions require energy input to proceed, usually resulting in a decrease in temperature in the immediate environment.
A chemical reaction that absorbs free energy?
Endothermic reactions are chemical reactions that absorb free energy, typically in the form of heat. These reactions require an input of energy to proceed. Examples include photosynthesis and the melting of ice.
Does the temperature increase for endothermic?
No, the temperature decreases for endothermic reactions because these reactions absorb heat from the surroundings in order to proceed.
What are some examples of endothermic reactions that are endothermic as well?
All ENDOthermic reactions are of course ENDOthermic by themselves, aren't they?
Reactions that release heat as bonds are broken are called .?
exothermic
Which reactions requires or stores energy?
Endothermic reactions require energy while exothermic reactions release energy.
Are exothermic reactions chemical?
Most chemical reactions are exothermic, that is, they release a certain amount of heat as a by-product of the reaction. Endothermic reactions, those which absorb heat, also do occur, but they are more rare. Endothermic reactions are driven by entropy only, whereas exothermic reactions are driven by the energy that is released. The more energy is released, the more easily the reaction will occur.
Why endothermic reactions cannot be spontaneous reactions?
Endothermic reactions require an input of energy to proceed, which means they do not occur spontaneously. Spontaneous reactions release energy to their surroundings, unlike endothermic reactions that absorb energy from the surroundings. Therefore, endothermic reactions cannot be spontaneous as they need an external energy source to drive the reaction forward.
Is combustion exothermic or endothermic?
exothermic reactions are the reactions which give out heat and endothermic reactions are the reaction which absorb heat.so combustion is an exothermic reaction.
What is the opposite of exothermic?
The opposite of exothermic is endothermic. Exothermic reactions are those which give off energy in the form of heat. Endothermic reactions require energy.
How do chemical reactions that absorbs energy are called?
Endothermic reactions absorb energy in the form of heat from the surroundings. These reactions require energy input to proceed, usually resulting in a decrease in temperature in the immediate environment.
A chemical reaction that absorbs free energy?
Endothermic reactions are chemical reactions that absorb free energy, typically in the form of heat. These reactions require an input of energy to proceed. Examples include photosynthesis and the melting of ice.
Are nematodes ectothermic or endothermic?
There are other chemical reactions that must absorb energy in order to proceed. These are endothermic reactions. So I think they are Endothermic...
Does the temperature increase for endothermic?
No, the temperature decreases for endothermic reactions because these reactions absorb heat from the surroundings in order to proceed.
What is the relationship between endothermic reactions and temperature change?
Endothermic reactions absorb heat from their surroundings, causing a decrease in temperature.
