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What is chemical potential energy?
Chemical potential energy is the energy stored within the chemical bonds of a substance. It is released or absorbed during a chemical reaction. This energy is a form of potential energy that can be released as kinetic energy.
What does the difference in potential energy between the reactants and products represent?
It represents the change in enthalpy for the reaction.
What happens to heat during an endothermic reaction?
During an endothermic reaction, heat is absorbed from the surroundings in order to break chemical bonds and allow the reaction to proceed. This absorption of heat causes the surroundings to cool down as energy is taken in by the reacting molecules.
What energy is needed to start a chemical reaction?
Activation energy is the energy needed to start a chemical reaction by breaking the existing chemical bonds in the reactants before new bonds can form in the products. This energy barrier must be overcome for the reaction to proceed.
What happens during every chemical reaction?
During every chemical reaction, chemical bonds between atoms are broken and new bonds are formed to create new substances. The total number of atoms of each element remains the same before and after the reaction, following the law of conservation of mass. Energy may also be absorbed or released during the reaction.
What is the difference between a exothermic chemical reaction and a endothermic chemical reaction?
energy released by the reaction or energy absorbed.
What is the chemical reaction role of energy?
energy is released or absorbed.
What chemical reaction describes where energy is absorbed?
Endothermic, if the energy is in the form of heat.
Can energy be taken in a chemical reaction?
Depending on the particular chemical reaction, energy may be either released or absorbed.
What is a unit of energy that can identify the amount of energy released or absorbed by a chemical reaction?
The unit of energy commonly used to identify the amount of energy released or absorbed by a chemical reaction is the kilojoule (kJ).
What is normally liberated or absorbed in a chemical reaction?
energy
When energy is absorbed in a chemical reaction its called?
endothermic
What can be absorbed or released as the result of a chemical reaction?
Energy.
Energy is what in a chemical change?
In a chemical change, energy is either absorbed or released. When bonds are broken, energy is absorbed (endothermic reaction), and when bonds are formed, energy is released (exothermic reaction). Overall, the total energy of the system may change during a chemical reaction.
Is heat a form of energy released during a chemical reaction?
Yes, heat is often released or absorbed during a chemical reaction. This is because chemical reactions involve the breaking and formation of chemical bonds, and the energy difference between these bonds is released or absorbed in the form of heat.
Can a chemical reaction reaction take place in which energy is neither absorbed or released?
no
What can be absorbed and released as the result of a chemical reaction?
In a chemical reaction, energy can be both absorbed and released. When energy is absorbed, it is required to break bonds in the reactants, and when it is released, it is due to the formation of new bonds in the products. Additionally, atoms and molecules can also be absorbed and released in various forms during a chemical reaction.
