Which one of the following is an exothermic reaction? (2023)

Which of the following is an exothermic reaction answer?

Final answer: Dilution of an acid and Reaction of water with Quicklime are exothermic processes.

(Video) One of the following is an exothermic reaction This is
Which of the following is an exothermic reaction quizlet?

Combusting is an exothermic, chemical reaction.

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What is exothermic reaction give 4 examples?

Firing a Firecracker – the bursting of a firecracker gives out a loud noise in addition to light and heat, being one of the best examples of an exothermic reaction. Lighting a Candle – this is a continuous reaction where the wax acts as fuel and creates a flame for a long period of time.

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Which one of the following is very exothermic?

Detailed Solution

The Sulphuric acid reaction with water is highly exothermic. If water is mixed to concentrated sulphuric acid, it acts to boil and spits.

(Video) One of the following is an endothermic reaction. This is :
What are 3 examples of exothermic reactions?

Combustion reaction, Neutralization reaction, and Respiration.

(Video) Which of the following is an exothermic reaction?
What are 5 exothermic reactions?

Brushing your teeth, washing your hair, and lighting your stove are all examples of exothermic reactions. Keep reading to learn about combustion, neutralization, corrosion, and water-based exothermic reactions.

(Video) One of the following is an exothermic reaction. This is : (a) elect...
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Which of the following is not an example of exothermic reaction *?

The Correct option here is photosynthesis.

In photosynthesis, the plant absorbs energy for its metabolic processes. Combustion is the exothermic process. We burn fuel to get energy. So, the burning of coal is exothermic.

(Video) Which one of the following is an endothermic reaction ?
What is an exothermic reaction it is a reaction quizlet?

Exothermic reaction. A reaction where energy is RELEASED by matter. Energy flows from the system to the surroundings generally in the form of heat. ( Heat is being released) (getting hotter)

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What is a simple example of exothermic reaction?

Examples of exothermic reaction are: Rusting of iron. Setting of cement. Human body.

(Video) Which of the following are exothermic processes? (i) Reaction of wa...
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How do you know if a reaction is exothermic?

A system that releases heat to the surroundings, an exothermic reaction, has a negative ΔH by convention, because the enthalpy of the products is lower than the enthalpy of the reactants of the system. The enthalpies of these reactions are less than zero, and are therefore exothermic reactions.

(Video) Which of the following is exothermic:

Which reaction is most exothermic?

The products of a combustion reaction have a higher bond energy (collectively) than the reactants so it makes the reaction highly exothermic.

(Video) Which of the following represents an exothermic reaction :-
Which elements are most exothermic?

The correct option is c). Gaining of an electron is most exothermic for Fluorine.

Which one of the following is an exothermic reaction? (2023)
What are 3 exothermic changes?

Fusion, vaporization, and sublimation are endothermic processes, whereas freezing, condensation, and deposition are exothermic processes.

What are 3 endothermic reactions?

Endothermic Reactions

A few examples of the endothermic process are photosynthesis, evaporating liquids, melting ice, dry ice, alkane cracking, thermal decomposition, ammonium chloride in water and much more.

Why are some reactions exothermic?

Because more energy is released when the products are formed than is used to break up the reactants, this reaction is exothermic. All of this stuff relates to thermodynamics—the study of heat and its relationship to energy and work.

What is an endothermic reaction answer?

An endothermic reaction is any chemical reaction that absorbs heat from its environment. The absorbed energy provides the activation energy for the reaction to occur. A hallmark of this type of reaction is that it feels cold.

Which reaction is an endothermic reaction?

Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products.

Is an example of exothermic or endothermic?

The other examples of endothermic reactions include evaporation, cooking and melting ice. Some examples of exothermic reactions are explosions as in nuclear fissions. Rusting of iron and many more like acid rain.

What is exothermic energy?

Chemical reactions that release energy are called exothermic. In exothermic reactions, more energy is released when the bonds are formed in the products than is used to break the bonds in the reactants. Chemical reactions that absorb (or use) energy are called endothermic.

What is exothermic vs endothermic examples?

Endothermic and exothermic reactions are chemical reactions that absorb and release heat, respectively. A good example of an endothermic reaction is photosynthesis. Combustion is an example of an exothermic reaction.

What is exothermic quizlet?

Ectothermic. -gain heat via environment. - tend to think of as cold blooded and less than. Endothermic. -produce their own heat through metabolism and other cellular work.

Which the following is an endothermic reaction?

The chemical reaction in which the heat is absorbed is known as an Endothermic reaction. Examples are melting ice cubes and melting solid salts.

Which is an endothermic reaction?

What is an Endothermic Reaction? Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products. These reactions lower the temperature of their surrounding area, thereby creating a cooling effect.

Is caco3 h2o exothermic or endothermic?

The decomposition of limestone (CaCO3) to make lime (CaO) is also an endothermic process; it is necessary to heat limestone to a high temperature for this reaction to occur.

What is exothermic example?

2) Rain: Condensation of water vapor into rain releasing energy in the form of heat is an example of an exothermic process.

What does one mean by exothermic example?

The chemical reactions that release heat energy are called exothermic reactions. Example: C(g)+O2(g)→CO2(g)+Heat Energy. The chemical reactions in which heat energy is absorbed are called endothermic reactions. Example: CaCO3Heat→CaO+CO2.

What are 5 examples of endothermic?

Endothermic Processes

Melting ice cubes. Melting solid salts. Evaporating liquid water. Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.

What are 3 examples of endothermic and exothermic reactions?

Difference between Endothermic and Exothermic Reactions
Endothermic ReactionExothermic Reaction
Melting ice, evaporation, cooking, gas molecules, and photosynthesis are a few examples.Rusting iron, settling, chemical bonds, explosions, and nuclear fission are a few examples.
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What are 2 examples of endothermic reactions?

Examples of endothermic reactions include photosynthesis, dissolving salt in water, and chemical cold packs. An endothermic reaction is a chemical reaction that absorbs thermal energy from its surroundings.

What is the most exothermic reaction?

The most exothermic ordinary chemical reaction for a given mass of reactants is 2H(g)→H2(g);ΔE=103 kcal. The theoretical decrease in mass on combination of 2. 0 moles of hydrogen atoms to form 1.

How do you write an exothermic reaction?

As an example in everyday life, hand warmers make use of the oxidation of iron to achieve an exothermic reaction: 4Fe + 3O2 → 2Fe2O3 ΔH⚬ = - 1648 kJ/mol. A particularly important class of exothermic reactions is combustion of a hydrocarbon fuel, e.g. the burning of natural gas: CH4 + 2O2 → CO2 + 2H2O ΔH⚬ = - 890 kJ/mol.

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