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Why is heat energy needed to melt a solid what is this heat energy called?
This energy is the enthalpy of fusion (or latent heat of fusion).
What is the energy input of burning coal?
The energy input of burning coal is the heat energy released during the combustion process. This heat energy can be used to generate electricity or heat buildings.
Where does heat energy originate from?
Heat energy originates from the movement of atoms and molecules within an object. This movement creates kinetic energy, which is then transferred as heat energy.
When fuels are burned the chemical energy is changed into what energy?
When fuels are burned, their chemical energy is converted into heat energy and light energy. Heat energy is released as a result of the combustion process, while light energy is produced in the form of flames or glowing embers.
When one type of energy is transformed into another type of energy during a conversion what is lost to the environment?
heat. when there is transformation of energy from one form to another, there is a loss of heat energy. even when a form of energy is changed to heat energy, not all of the energy is transformed to heat, energy transformation is never 100%
What is a pattern of flowing heat?
a convection current
Movement of heat energy by flowing material?
Convection
What is the name for heat flowing through solids?
Conductors
What energy transformation occurs in a oven?
chemical energy to thermal energy(heat energy)
Why does a circuit warm up when it has electric current flowing in it?
Resistors dissipate energy in the form of heat.
When you turn on a toaster you convert electrical energy into what type of energy?
When you turn on a toaster, you convert electrical energy into heat energy. The electricity flowing through the heating elements of the toaster causes them to heat up, which in turn toasts the bread placed inside.
How does thermal energy gets its power?
Power is how fast energy is flowing. Most sources of energy can be traced back ultimately to the Sun's heat and light.
If no energy is lost as heat and no electrical energy remains after it runs through the coil how much of the electrical energy flowing through the copper wire is transformed into mechanical energy?
100% of the electrical energy flowing through the copper wire is transformed into mechanical energy if no energy is lost as heat and no electrical energy remains after running through the coil. This scenario implies ideal efficiency in the conversion process.
When you turn on a lamp electric energy changes to what kind of energy?
When you turn on a lamp, electric energy is converted into light energy and heat energy. The electric current flowing through the lamp's filament generates heat, which in turn produces light.
Which of these is encountered by the electrons while flowing through a conductor?
Electrons encounter resistance while flowing through a conductor, leading to energy loss in the form of heat.
What energy conversion is in an electric fire?
In an electric fire, electrical energy is converted into thermal energy. The electricity flowing through the heating element causes it to heat up, emitting heat and radiating warmth into the surrounding area.
Does heat energy flow indefinitely?
No, heat energy does not flow indefinitely. It will continue to flow until a thermal equilibrium is reached where all objects involved reach the same temperature. Once this equilibrium is achieved, there will be no further flow of heat energy.
