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Do energy conversions occur without gain or loss of energy?
Almost all energy conversions involve a loss of energy.
What is the difference between heat gain and heat loss?
These are exact opposities - heat gain is an increase in energy that results in an increased temperature of the material. Heat loss is a loss in energy that results in a decreased temperature of the material.
What are two main types of potential energy?
loss of PE and gain of PE
During which process does water gain the most heat energy?
Evaporation because it requires 2,260 Joules to gain heat energy. Condensation, freezing, and melting require less Joules than evaporation.
Is work the rate which you expand energy?
YES, you cant create or destroy energy. all it does is transfer (gain or loss)
What is the temperature at which a liquid changes to a solid called is there a gain or a loss of energy?
Such a temperature is known as Freezing point of the liquid, during the freezing process the system losses the energy.
Requires a gain or loss of heat energy?
A temperature change requires as gain or loss of heat energy.
Do energy conversions occur without gain or loss of energy?
Almost all energy conversions involve a loss of energy.
What is the difference between heat gain and heat loss?
These are exact opposities - heat gain is an increase in energy that results in an increased temperature of the material. Heat loss is a loss in energy that results in a decreased temperature of the material.
What is energy transfer by random molecular motions resulting in gain or loss of internal energy?
Heat
Is evaporation heat gain or heat loss?
For what?It requires a heat gain for the water,but a heat loss for whatever the water is in contact with.
Can electrons change energy level?
yes, electrons may change energy levels through a gain or loss of energy.
What are two main types of potential energy?
loss of PE and gain of PE
During which process does water gain the most heat energy?
Evaporation because it requires 2,260 Joules to gain heat energy. Condensation, freezing, and melting require less Joules than evaporation.
Is work the rate which you expand energy?
YES, you cant create or destroy energy. all it does is transfer (gain or loss)
Does freezing gain thermal energy?
Yes. When ice is converted to water, thermal energy is required. When the water is converted back to ice, the same amount of thermal energy is released.
Physical effects of a bad diet?
Loss of energy, weight gain, and sometimes achy joints.
