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is photosynthesis an example of an endothermic or exothermic reaction

by Dr. Jamarcus Lockman Published 2 years ago Updated 1 year ago
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endothermic reaction

Why is photosynthesis considered as endothermic?

Photosynthesis is considered to be an “endothermic reaction” because it absorbs the sun's energy to enable the reaction to happen. Like most of the endothermic reactions, the plants do not absorb heat but they absorb sun's photothermal energy to perform 'photosynthesis' in order to produce starch.

Are photolysis reactions considered exothermic or endothermic?

The reaction between acid and water is an exothermic reaction. This reaction produces a lot of heat and energy which causes the resulting solution to splash. Since the acid is usually more dense than the water adding water to the acid causes the reaction to happen in a small area and on the surface.

How do you know if its endothermic or exothermic?

How do you know if its endothermic or exothermic? An endothermic reaction soaks up heat. An exothermic reaction releases heat. So if the sum of the enthalpies of the reactants is greater than the products, the reaction will be exothermic. If the products side has a larger enthalpy, the reaction is endothermic. Lot more interesting detail can be ...

Which has less pressure exothermic and endothermic?

Thus any transition from a more ordered to a less ordered state (solid to liquid, liquid to gas, or solid to gas) requires an input of energy; it is endothermic. Conversely, any transition from a less ordered to a more ordered state (liquid to solid, gas to liquid, or gas to solid) releases energy; it is exothermic.

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Is photosynthesis an example of endothermic reaction?

Photosynthesis requires energy, making it an endothermic reaction. Light, generally sunlight, is the source of this energy. The process converts the sun's electromagnetic energy into chemical energy, which is then stored in chemical bonds in the plant.

Why is photosynthesis an exothermic reaction?

In photosynthesis, energy from light is stored in a high-energy product, glucose. An example of an exothermic reaction is cellular respiration. High-energy glucose releases energy as it's broken down. And that energy is used to generate ATP molecules.

Is photosynthesis and respiration exothermic or endothermic?

As glucose is broken down into carbon dioxide, water, and ATP energy, the respiration reaction is exothermic. The photosynthesis reaction is endothermic because in the presence of sunlight and chlorophyll, carbon dioxide and water, or we can assume the heat is transformed into endothermic glucose reaction.

Why is photosynthesis considered endothermic?

Photosynthesis is considered an endothermic reaction, because during the process of photosynthesis, energy from the sun or sunlight is being absorbed. Any chemical reactions that absorb heat energy from the surroundings to form products is termed the endothermic reaction.

What is the reaction of photosynthesis?

6CO2 + 6H2O + Light C6H12O6 + 6O2 Algae, plants and photosynthetic bacteria take in light through the sun, water molecules from their environment and carbon dioxide from the air and combine these reactants to produce the food i.e. glucose.

Which type of process is photosynthesis?

In chemical terms, photosynthesis is a light-energized oxidation–reduction process.

Does photosynthesis release heat?

In photosynthesis, solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. Oxygen is released as a byproduct. In cellular respiration, oxygen is used to break down glucose, releasing chemical energy and heat in the process.

What is the heat of reaction of photosynthesis?

Photosynthesis is endothermic, and the necessary energy is supplied by the absorption of solar radiant energy. This energy can be released by carrying out the reverse of Equation 15.13. 1, a process which is exothermic. When we burn paper, wood, or dried leaves, the heat given off is really a stored form of sunlight.

Why is photosynthesis an endothermic reaction?

Photosynthesis is an endothermic reaction because plants absorb energy from the sun, which helps in the production of oxygen through light-dependent reactions.

What is the difference between an exothermic and an endothermic reaction?

Continue Reading. An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical reaction : reactants → products + energy.

Why won't photosynthesis run in reverse?

But it won’t normally run the other way around because photosynthesis is actually a complex series of reactions, [ 2] each of which would have to operate in reverse. These reactions include the Calvin cycle and the synthesis of carbohydrates. If just one of those steps fails to run in reverse, the whole thing won’t reverse.

How does photosynthesis produce light?

But there’s another way to look at this. Photosynthesis takes light and uses it to create sugars. The logical reverse is to take energy in the form of sugar, metabolize it through glycolysis and then the Krebs cycle to generate ATP, which you can then use to produce light. Fireflies do that using a substance called Luciferin. [ 3]

What is endothermic process?

“endo-” means within or into, while “therm” means heat or energy. So an endothermic process is one in which heat (or energy) is going into the system. Clearly that’s the case with boiling: take a pot of water and set it on the counter.

What is the energy profile of an exothermic reaction?

An energy profile of an exothermic reaction. When the medium in which the reaction is taking place gains heat, the reaction is exothermic. When using a calorimeter, the total amount of heat that flows into (or through) the calorimeter is the negative of the net change in energy of the system.

What is a reversible reaction?

A reversible reaction is a reaction where the reactants and products react together to give the reactants back.

What determines whether a reaction is endothermic or exothermic?

What determines whether a reaction is endothermic or exothermic is the balance between the energy that must be supplied to break existing bonds and the energy that is released when new bonds are formed.

What is an exothermic reaction?

In contrast, exothermic reactions are reactions that release energy into the environment in the form of heat. These feel warm or hot, and can even cause an explosion.

Why does energy transfer from the environment to the chemicals that react?

This happens because the energy required to break existing bonds is greater than the energy released when new bonds are formed. In this way, global energy is transferred from the environment to the chemicals that react, absorbing heat.

Is endothermic reaction more common than exothermic reaction?

In this sense, endothermic reactions are less common than exothermic ones, but there are a number that are quite well known.

Is photoynthei endothermic or endothermic?

Photoynthei i a endothermic reaction ince energy in the form of unlight i aborbed by plant. Preciely, in an endothermic reaction, energy i aborbed from the environment. During photoynthei, the pigment

Is thermal decomposition endothermic or endothermic?

Also, any thermal decomposition reaction is endothermic, because the reaction only takes place if heat is introduced into the system. A clear example of this is the degradation of calcium carbonate into calcium oxide and carbon dioxide.

Is photosynthesis an endothermic reaction?

Photosynthesis is a endothermic reaction since energy in the form of sunlight is absorbed by plants. Precisely, in an endothermic reaction, energy is absorbed from the environment.

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Content

Photosynthesis and Other Examples of An Endothermic Reaction

  • Chemical reactions transfer energy to, or from, the environment. Endothermic reactions absorb energy from the environment, while exothermic reactions transmit energy to the environment. What determines whether a reaction is endothermic or exothermic is the balance between the energy that must be supplied to break existing bonds and the energy that ...
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Other Examples of Endothermic Reaction

  • -The reaction of crystals from barium hydroxide octahydratewith dry ammonium chloride. -Evaporation of water (water in a liquid state is a compound, and heat is absorbed by breaking the bonds in water molecules). -Dissolution of ammonium chloride in water. -Electrolysis process (the molecules decompose into ions due to the passage of electric current). -The reaction of thionyl …
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References

  1. Exothermic vs. Endothermic and K. (2017 March, 08). In Free Texts. Retrieved on October 2, 2017, from chem.libretexts.org.
  2. Hall, D. O. and Rao, K. K. (1999). Photosynthesis. New York: Cambridge University Press.
  3. Helmenstine, A. (2016, March 09). Exothermic Reactions - Definition and Examples. Retrieved on October 02, 2017, from sciencenotes.org.
  1. Exothermic vs. Endothermic and K. (2017 March, 08). In Free Texts. Retrieved on October 2, 2017, from chem.libretexts.org.
  2. Hall, D. O. and Rao, K. K. (1999). Photosynthesis. New York: Cambridge University Press.
  3. Helmenstine, A. (2016, March 09). Exothermic Reactions - Definition and Examples. Retrieved on October 02, 2017, from sciencenotes.org.
  4. Energy changes in reactions (s / f). On BBC GCSE Bitesize. Retrieved on October 2, 2017, from bbc.co.uk.

1.Is photosynthesis an example of an endothermic or …

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8 hours ago  · Photosynthesis is an example of a chemical reaction because it is a process in which carbon dioxide and water are combined to form glucose and oxygen. It is an endothermic reaction because it requires solar energy. The plants use this light energy to transformed carbon dioxide and water into glucose and oxygen.

2.Is photosynthesis an exothermic or endothermic reaction?

Url:https://www.quora.com/Is-photosynthesis-an-exothermic-or-endothermic-reaction

17 hours ago  · The photosynthesis is not a simple reaction; I would say that it is both, an endothermic input and an exothermic output. PHOTOLYSIS H2O => [H] + [OH] [H] radical hydrogen [OH] radical hydroxyl The...

3.Why is photosynthesis exothermic? - AskingLot.com

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31 hours ago  · Photosynthesis is an endothermic reaction because in order for it to occur, the plants in which it occurs must absorb energy. Click to see full answer. Subsequently, one may also ask, why photosynthesis is called exothermic reaction? When the sugar burns, energy is released in the form of heat and light. We say the process is exothermic.

4.Why is Photosynthesis an Endothermic Reaction?

Url:https://warbletoncouncil.org/fotosintesis-reaccion-endotermica-4952

34 hours ago  · 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. The categorization of a reaction as endo- or exothermic depends on the net heat transfer.

5.Videos of Is Photosynthesis An Example Of An Endothermic Or Ex…

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20 hours ago  · As the heat is absorbed during evaporation, this process is endothermic. Photosynthesis: During photosynthesis, the leaves of a plant or tree absorb energy in the form of heat and light from the sun. Later this energy combines with carbon dioxide and water and helps the plant in making its food.

6.why is photosynthesis considered an endothermic reaction?

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13 hours ago  · But they are actually opposites: while exothermic reactions create . For example, evaporation is an endothermic reaction. This is done in the form of heat Exothermic Reaction Examples Found in Real Life Exothermic vs. Endothermic Reactions. exothermic reactions are those chemical reactions in which the energy is evolved or released.

7.Endothermic Reaction : Learn Definition, Reagents, …

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13 hours ago An exothermic process releases heat, and causes the temperature of the immediate surroundings to rise. Endothermic and exothermic reaction. An exothermic reaction is one in which heat energy is given out into the surroundings. This is done in the form of heat Exothermic Reaction Examples Found in Real Life Exothermic vs. Endothermic Reactions.

8.10 examples of exothermic reactions in everyday life

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26 hours ago

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