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He total amount of energy before and after a chemical reaction is the same. Therefore energy is .?

Conserved. Energy cannot be created or destroyed, it can only change forms.


The total amount of energy before and after a chemical reaction is the same .Thus energy is what?

Energy is conserved in a chemical reaction, meaning the total amount of energy before and after the reaction remains constant. This principle is known as the law of conservation of energy.


In a collision what is conserved?

Momentum is conserved in a collision. If two cars have the same mass and are traveling at the same speed and collide headfirst, the momentum of both cars cancel each other out and they will be motionless. If one has greater speed or mass than the other, it will still have the difference in momentum after the collision.


Compare and contrast elastic and inelastic collisions?

In elastic collisions, kinetic energy and momentum are conserved, meaning the total energy and momentum before and after the collision are the same. In inelastic collisions, kinetic energy is not conserved, and some of the kinetic energy is transformed into other forms of energy, such as thermal or sound energy. In both types of collisions, momentum is conserved.


How is matter and energy conserved in a chemical reaction?

In a chemical reaction, matter is conserved by the rearrangement of atoms so that the same elements present at the start of the reaction are also present in the products. Energy is conserved through the breaking and forming of chemical bonds, where the total energy before and after the reaction remains the same due to the law of conservation of energy.


How is energy conserved in an inelastic collision?

In an inelastic collision, energy is conserved through the conversion of kinetic energy into other forms of energy, such as heat or sound. This means that the total energy of the system remains the same before and after the collision, even though some of the initial kinetic energy is lost.


What does the the phrase energy is conserved mean?

The phrase "energy is conserved" means that the total amount of energy in a closed system remains constant over time. Energy can change forms or be transferred between objects within the system, but the total energy within the system remains the same.


Explain how mass and energy are conserved when evaporation?

During evaporation, the mass of the substance remains constant as the same number of atoms are present before and after the process. Energy conservation occurs through the transfer of energy from the surrounding environment to the liquid molecules, providing the energy required for them to escape into the gas phase.


What is elastic and inelastic collision?

In an elastic collision, no kinetic energy is lost, and the relative speed of separation of the objects after the collision is the same as the relative speed before the collision. In an inelastic collision, part of the elastic energy is lost, and the relative speed after the collision is less.


What does it mean to say energy is conserved within a system?

When an object is accelerated along a distance that requires energy. If the object is then slowed to a stop by a breaking system that gets back that energy then the energy is said to be conserved


How does energy is conserved in a transfermation of energy?

Energy is conserved in a transformation because it cannot be created or destroyed, only converted from one form to another. This means that the total amount of energy before and after a transformation remains constant. The law of conservation of energy states that energy can change from potential to kinetic, heat, light, sound, or other forms, but the total energy within a closed system remains the same.


What is meant by saying that energy is conserved?

Saying that energy is conserved means that the total amount of energy in a closed system remains constant over time. Energy can change forms or be transferred between objects, but the total energy within the system remains the same.