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The main differences between exothermic reactions and endothermic reactions are:
Exothermic reactions are reactions that give off energy (light, electrical or mainly heat), causing the surroundings to warm up. Endothermic reactions are reactions that absorb energy, causing the surroundings to cool down.
The products of an exothermic reaction have less energy, or less total enthalpy, than of it's reactants. This is due to the reactants containing more stored energy because energy from external sources is not required. This also gives the products more stability because in order to achieve a reversible reaction and break the chemical bonds of the products, you will need to apply more energy to it.
The opposite is for endothermic reactions. The products of the reaction have a greater total enthalpy of the reactants, causing the reactants stored energy to decrease. This produces less stable products that need less energy to break their bonds in a reversible reaction.
Finally most exothermic reactions are spontaneous, where as most endothermic reactions are not spontaneous as they generally need energy applied to them before they start.
What else can I help you with?
Do all acid reactions give off heat?
Not all acid reactions give off heat. Some acid reactions are endothermic, meaning they absorb heat from the surroundings instead of releasing it. Examples of endothermic acid reactions include the reaction of citric acid with water.
Examples of endothermic and exothermic reactions?
Exothermic reactions give out energy overall. Here are some exothermic reactions:- Combustion of fuels such as hydrogen & methane- Neutralisation of an acid by an alkali- Reaction between sulphur & ironEndothermic reactions take in energy overall. Here are some endothermic reactions:- Reactions involved in cooking- The thermal decomposition of calcium carbonate- Photosynthesis in which plants use sunlight, carbon dioxide & water to make their own food
What is the type of chemical reaction in which heat energy is absorbed?
Endothermic reactions.Endo- means 'inside' which is where the energy ends up.Exothermic reactions give off energy. Exo- means 'outside'. Think that a spider sheds an 'exo'skeleton, or a skin on the outside.
What is the difference between endothermic and exothermic And give examples?
Chemical reactions that release energy in the form of heat, light, or sound are called exothermic reactions. Example: Mixture of sodium and chlorine to yield table salt In other words, combination reactions are exothermic. Reactions that absorb energy or require energy in order to proceed are called endothermic reactions. For example: In the process of photosynthesis, plants use the energy from the sun to convert carbon dioxide and water to glucose and oxygen.
What is a exotermic reaction?
An exothermic reaction is a chemical reaction that releases energy to its surroundings in the form of heat. This type of reaction typically results in a temperature increase in the surrounding environment. Examples of exothermic reactions include combustion and many neutralization reactions.
What is the difference between Endothermic and Exothermic in five to ten points?
Endothermic and exothermic are both terms used for the transfer of heat through a chemical reaction. When the mixed chemicals give off more heat than before (Become hotter), than an exothermic reaction has occurred. This is where energy is given off to the surroundings, causing the temperature to rise. Exothermic reactions are the opposite to this, where the container holding the chemicals becomes colder. This is because energy was required and heat was taken from the surroundings for the reaction to occur. Hope this helps.
What chemical reactions are exothermic?
Any chemical reaction that produces energy is exothermic. A erection that requires energy is endothermic. For instance, NaCl + H20 -> HCl + NaOH is endothermic. Run the equation the opposite direction, HCl _+ NaOH -> NaCl + H20 and it's an exothermic reaction.
What are some examples of endothermic reactions that are endothermic as well?
All ENDOthermic reactions are of course ENDOthermic by themselves, aren't they?
What are the examples of endothermic exothermic reactions?
Examples for exothermic reaction:fermentation is a example of exothermic reactioncombustion reaction of fuelsadding concentrated acid to watermost polymerisation reactionburning of substanceexamples of endothermic reaction photosynthesisa chemical cold pack consisting primarily of ammonium nitrate and waterevaporation of waterpreparation of ozone by passing silent electric discharged through oxygen
Do all acid reactions give off heat?
Not all acid reactions give off heat. Some acid reactions are endothermic, meaning they absorb heat from the surroundings instead of releasing it. Examples of endothermic acid reactions include the reaction of citric acid with water.
What are some examples of endothermic equations and exothermic equations?
Exothermic reactions give out heat. some examples of exothermic reactions are : 1)burning fuel in a fire 2)the addition of acid to water 3)the thermite reaction(this one is quite a sight) 4)the haber process of producing ammonia Endothermic reactions take in heat from their environment. some examples of endothermic reactions are: 1)an ice cube melting 2)depressurising a can(responsible in part why deodorant feels cold) 3)dissolving ammonium nitrate in water 4)decomposition of mercury (II) oxide(this requires a lot of heat)
Which chemical reaction is responsible for producing heat?
All the exothermic reactions produces heat energy whereas all endothermic reactions absorb heat from the surrounding. For example burning of a coal is a exothermic process and melting of a ice is a endothermic process.
Examples of endothermic and exothermic reactions?
Exothermic reactions give out energy overall. Here are some exothermic reactions:- Combustion of fuels such as hydrogen & methane- Neutralisation of an acid by an alkali- Reaction between sulphur & ironEndothermic reactions take in energy overall. Here are some endothermic reactions:- Reactions involved in cooking- The thermal decomposition of calcium carbonate- Photosynthesis in which plants use sunlight, carbon dioxide & water to make their own food
What is exothermil?
It seems like you're referring to the term "exothermic." Exothermic reactions release heat to their surroundings, resulting in an increase in temperature. This energy release is usually in the form of heat, but it can also manifest as light. Examples of exothermic reactions include combustion and neutralization reactions.
What is the type of chemical reaction in which heat energy is absorbed?
Endothermic reactions.Endo- means 'inside' which is where the energy ends up.Exothermic reactions give off energy. Exo- means 'outside'. Think that a spider sheds an 'exo'skeleton, or a skin on the outside.
What is a chemical reaction that doesn't releases energy?
A chemical reaction that doesn't release energy is an endothermic reaction. There are few reactions that are endothermic compared to exothermic reactions (reactions that release energy as heat). Endothermic reactions actually take in heat from the environment and that is why you see a temperature drop. Examples of endothermic reactions: Electrolysis A reaction between ethanoic acid and sodium carbonate A thermal decomposition reaction (as you put heat into the reaction to break something down) Hope this helped.
What is the difference between endothermic and exothermic And give examples?
Chemical reactions that release energy in the form of heat, light, or sound are called exothermic reactions. Example: Mixture of sodium and chlorine to yield table salt In other words, combination reactions are exothermic. Reactions that absorb energy or require energy in order to proceed are called endothermic reactions. For example: In the process of photosynthesis, plants use the energy from the sun to convert carbon dioxide and water to glucose and oxygen.
