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Because the changes are brought about by adding some form of energy, whether it is temperature, pressure, or radiation waves.
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Why is chemical energy needed in all chemical reactions?
To initiate a chemical reaction an activation energy is necessary.
Do all chemical reaction require activation energy?
Yes, they do.
Do a chemical reaction produce heat and light?
Chemical reactions can produce heat and energy but not all chemical reactions produce them. Exothermic reactions produce heat and energy (possibly in the form of photons/light), while endothermic reaction absorb them.
What is a type of chemical reaction where the energy of the products is less than the energy of the reactants?
When a reaction has products that have a lower temperature than the reactants did, the reaction is endothermic.
Is breaking down food to release energy related to chemical reaction that takes place in all things?
For the most part, yes. Just about all living organisms go through the same processes to obtain energy from food.
Why is chemical energy needed in all chemical reactions?
To initiate a chemical reaction an activation energy is necessary.
Chemical reaction that releases energy?
All chemical reactions that release energy in the form of heat are called exothermic reactions.
Do all chemical reaction require activation energy?
Yes, they do.
Do a chemical reaction produce heat and light?
Chemical reactions can produce heat and energy but not all chemical reactions produce them. Exothermic reactions produce heat and energy (possibly in the form of photons/light), while endothermic reaction absorb them.
Does the change of temperature will slow or faster the chemical reaction?
No, an increase in temperature will speed up the reaction. This is because the heat energy is transferred into kinetic energy (movement energy) in the reactors and this increases their speed and so increases the rate at which they collide with each other, increasing the rate of the chemical reaction.
What happens to the total mass of substances during a chemical reaction?
During a chemical change,chemical energy may be changed to other forms of energy.other forms of energy may also be changed to a chemical energy.
What is a type of chemical reaction where the energy of the products is less than the energy of the reactants?
When a reaction has products that have a lower temperature than the reactants did, the reaction is endothermic.
Is breaking down food to release energy related to chemical reaction that takes place in all things?
For the most part, yes. Just about all living organisms go through the same processes to obtain energy from food.
Is it possible for a cell to harvest all of the energy contained within a chemical reaction to produce movement?
no.
Which of the following is true for all exergonic reactions?
the reactants have more total energy than the products.
How are enzymes involved in chemical reaction?
Usually enzymes have the role to catalyse a reaction. That means they aren't changed at all, but they influence the mechanism to reduce the activation energy (the energy needed for the reaction). The reaction is therefore performed more easily. To put it very simply: It speeds up a chemical reaction.
What is the name for the biochemical reaction that is the original source of energy for almost all ecosystem?
Photosynthesis - the capture of light energy by plants and its transformation into chemical energy.
