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During a chemical reaction, energy is either released or absorbed. Exothermic reactions release energy in the form of heat, while endothermic reactions absorb energy from the surroundings. The total energy in a closed system remains constant, following the law of conservation of energy.
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What happens to the radioactive isotopes that are released in a nuclear reaction?
they decay over time
What effect does a catalyst have?
A catalyst speeds up a chemical reaction by lowering the activation energy required for the reaction to occur. It does so by providing an alternative reaction pathway that requires less energy to initiate the reaction. The catalyst itself remains unchanged at the end of the reaction and can be used over and over again.
What is the term for energy that is available to do work in a reaction?
Yes, of course... Work is power which is energy absorption or use over time. No energy, no work regardless of how much time is allowed.
Why do all enzymatic reactions need activation energy?
Activation energy is required to initiate a reaction by breaking bonds in the substrate molecules. This energy is necessary to overcome the energy barrier and trigger the reaction to proceed. Once the reaction is initiated, the catalytic action of the enzyme can lower the activation energy required for subsequent steps in the reaction.
What happens to water in light dependent reaction?
the water dries up and emoes all over the world sit and cry
What does a reaction energy diagram represent?
A graph of Potential energy Vs time The changes in energy during a reaction <APEX>
What happens to copper's chemical property when it is exposed to air?
Copper, over the course of time, is gradually oxidized when exposed to air. It takes quite awhile for this reaction to occur naturally; however, the reaction is expedited with heat. The result is Copper oxide.
The reason for using powered calcium carbonate CaCO3 and heating the reaction mixtures up are?
Powdered: increases surface area the reaction happens over, thereby increasing the rate of reaction Heat: Provides energy for the reaction. Particles move faster, therefore collide more frequently. also, more particles have sufficient energy to react when they collide. This also increases rate.
What happens to the radioactive isotopes that are released in a nuclear reaction?
they decay over time
What effect does a catalyst have?
A catalyst speeds up a chemical reaction by lowering the activation energy required for the reaction to occur. It does so by providing an alternative reaction pathway that requires less energy to initiate the reaction. The catalyst itself remains unchanged at the end of the reaction and can be used over and over again.
What happens to the moon over a course of a few weeks?
Well, I believe that over the course of a few weeks our Moon just changes phases, besides that I don't think anything else happens to it...
Are the products favored over the reactants or the reactants favored over the products?
The products are favored over the reactants if the reaction is exothermic, releasing energy. Conversely, the reactants are favored over the products if the reaction is endothermic, requiring energy input.
What happened to the rate of a reaction as the reaction progresses?
In general, and depending on the order of the reaction, the rate will decrease as the reaction progresses.
What is the term for energy that is available to do work in a reaction?
Yes, of course... Work is power which is energy absorption or use over time. No energy, no work regardless of how much time is allowed.
What do enzymes do that is so great?
Enzymes lower the activation energy of a reaction, acting as a catalyst and speed up the reaction. Plus they never get used up, only over and over again.
What happens if you fail geometry regents in summer school but take the course over?
nothin
Energy is neither created nor destroyed in a chemical reaction Explain where the energy released or absorbed by the reactions comes from or goes to?
In a chemical reaction, the energy released or absorbed comes from the breaking and formation of chemical bonds. When bonds are broken, energy is absorbed, and when new bonds are formed, energy is released. This energy change is known as the enthalpy change of the reaction.
