Home > Chemistry > Energy Change in Reactions

What happens to particles when you add heat energy?

Answer 1

The particles will move faster around in the available space.

If the temperature is increased, it means that the molecules will move (on average) with a higher speed. This means that the molecules have a higher kinetic energy: Kinetic energy = #E_(k)=(1/2)xxmxxv^2#

Warming a solution causes energy to be transferred into the molecules, which can then be used as kinetic energy. Because the mass of the molecules remains unchanged during this process, the velocity of the molecules must increase, causing them to move more quickly.

The boiling point of a solution is the characteristic point at which a molecule reaches its maximum velocity and escapes from the solution, becoming vapour or gas.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer 2

Ellie Andrews

When heat energy is added to particles, they gain kinetic energy and move faster. This increased movement leads to expansion or a change in phase, depending on the substance.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.