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the substances that come out of achemical reaction are called product
That is a physical change - at least the pump is (air in, air out, with no chemical change). The energy required to run the pump probably will come from a chemical reaction though: an electric generator burning fuel to run the generator or food being digested and converted to energy in the muscles if it is a person powering it
Fr and F.
from the blood stream, both carbohydrates and oxygen.
The energy comes from the chemical activity in the battery producing electricity. Chemical activity produces energy by breaking down chemical bonds. See the link below:
Electricity is Energy. But this energy can come from a chemical reaction as in batteries, normal and rechargeable.
Burning is an exothermic chemical reaction; heat is released in the atmosphere.
You are talking about a chemical reaction here. Which is: Kerosene + Oxygen gas ----> Carbon Dioxide + Water This is an example of an exothermic reaction. Energy is stored in chemical bonds. When heat is provided to a Kerosene. It absorbs energy and its bonds break. Since Kerosene becomes cool, its absorbs energy from the surroundings. As a consequence, the surroundings heats up.
Energy is released from the chemical bonds in the substance that's burning.
the substances that come out of achemical reaction are called product
When new bonds are formed between atoms, energy is released and this process is known as exothermic process. Similarly when old bonds break, energy from the surrounding is absorbed and is known as endothermic process.
The energy that comes from the radioactive decay of an atom can come from the electrons and can come from the strong force inside the nucleus.
Energy may only be transformed from one sort to another. Mass is a form of Energy and as such, must be, and is, conserved. It is 'of no surprise' then, that the number of atoms that enter a chemical reaction is equal to the number of atoms that exist after the reaction has been completed.
Chemical energy.
If there is any type of energy given offduring a chemical reaction, it is most likely to be heat or light. However, heat and light often come together, and there are more reactions known to give heat without light than the other way around. Thus, I would go for heat then. (simply put)
It comes from the Chemical Energy.
I'm going to go out on a limb here and say food.