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Where does the energy come from in nuclear reactions?
The energy in nuclear reactions comes from the splitting or combining of atomic nuclei, which releases a large amount of energy in the form of radiation and heat.
Why is fission reaction called chain reaction?
A fission reaction is called a chain reaction because the initial splitting of an atomic nucleus releases neutrons that can go on to split other nuclei, creating a self-sustaining "chain" of reactions. This process continues exponentially, leading to a release of energy.
What makes a fission reaction possible is that certain atoms are stable unstable energetic very small?
What makes a fission reaction possible is that certain atoms, such as uranium and plutonium, are unstable and capable of splitting into smaller atoms when struck by a neutron. This process releases a large amount of energy in the form of heat and additional neutrons, which can go on to trigger more fission reactions in a chain reaction.
Which type of energy releases more energy?
Nuclear energy releases more energy than chemical energy. Nuclear reactions involve the splitting (fission) or merging (fusion) of atomic nuclei, which release a large amount of energy compared to chemical reactions that involve the breaking and forming of chemical bonds.
What happens in a nuclear chain reaction and how does it contribute to the release of energy in a nuclear reactor?
In a nuclear chain reaction, the splitting of atomic nuclei releases energy in the form of heat. This process is controlled in a nuclear reactor to generate electricity. The chain reaction is sustained by the release of neutrons from the splitting of nuclei, which then go on to split more nuclei, creating a continuous cycle of energy release.
What do exothermic reactions do?
An exothermic reaction releases heat
A chemical reaction that releases energy is called?
Exothermic reactions
What reaction releases energy?
exothermic reactions release energy, like a fire, which releases heat ( also endothermic reactions requires and takes/absorbs energy for its reaction like photosynthesis which requires sunlight)
Do chain reaction takes place in nuclear reactor?
Yes, chain reactions take place in nuclear reactors. In a nuclear reactor, the chain reaction involves the splitting of uranium atoms (fission) which releases energy and more neutrons, leading to further fission reactions. Control rods are used to regulate and maintain the chain reaction at a steady rate.
When during the light reaction is the water molecule split?
The water molecule is split at the beginning of the light reaction, specifically in photosystem II. This splitting of water releases electrons, protons, and oxygen as byproducts, which are essential for the rest of the light-dependent reactions to occur.
What can an exothermic reaction do?
An exothermic reaction releases heat energy to its surroundings. This can result in temperature increases, light emission, or the production of hot gases. Examples include combustion reactions, neutralization reactions, and some chemical reactions in living organisms.
What is the difference between exothermic and exergonic reactions?
An exothermic reaction releases heat energy to the surroundings, while an exergonic reaction releases free energy. Both types of reactions involve the release of energy, but exothermic reactions specifically involve the release of heat.
Where does the energy come from in nuclear reactions?
The energy in nuclear reactions comes from the splitting or combining of atomic nuclei, which releases a large amount of energy in the form of radiation and heat.
What does endothermic reaction do?
There are two types of reactions, thermally. Endothermic and exothermic. An endothermic reaction absorbs heat and an exothermic reaction releases it.
What chemical reactions reales energy?
An exothermic reaction is a chemical reaction that releases energy in the form of light or heat. It is the opposite of an endothermic reaction
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.
A reaction that releases energy in the form of heat?
An exothermic reaction releases energy in the form of heat. This type of reaction typically results in a rise in temperature in the surrounding environment. Examples include combustion and neutralization reactions.
