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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.
Why does heat cause expansion?
becuase of the increase in movement of molecules
Heat lost during the interaction of objects or molecules is due to what?
When objects interact, energy is lost to friction in the form of heat.
What is the difference between sensible heat gain and latent heat gain?
When an object is hot, the temperature rises as heat is added. This increase in heat is called sensible heat. Solids can become liquids and liquids can become gases but changes like this require the addition or removal of heat. The heat that causes these changes is called latent heat.
How the friction force is being helpful?
It is important in keeping objects; cars, humans animals, anything, from sliding around. Friction can cause heat as well, becasue when two objects rub together they form heat.
What does friction cause an increase in?
heat.
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.
Why does heat cause expansion?
becuase of the increase in movement of molecules
Do bricks transfer heat?
Yes, if they are colder than the air outside, they gain heat because of passive transport. Any object can transfer heat if there are heat differences between objects.
Why Heating a gas in a closed container will increase its pressure?
The gas molecules gain energy from the heat and so they speed up, causing the pressure to increase.
In a closed circuit what does an increase in voltage cause?
an increase in current, hence increased power and increased heat.
Heat lost during the interaction of objects or molecules is due to what?
When objects interact, energy is lost to friction in the form of heat.
What is the difference between sensible heat gain and latent heat gain?
When an object is hot, the temperature rises as heat is added. This increase in heat is called sensible heat. Solids can become liquids and liquids can become gases but changes like this require the addition or removal of heat. The heat that causes these changes is called latent heat.
Does your body gain or lose thermal energy if your body temperature is 37 degrees C and the temperature around is 25 degrees C?
Heat will naturally flow from hotter objects to colder objects. If heat flows OUT OF your body, you will LOSE that heat energy (thermal energy).
What does the hole in the ozone layer cause to the environment?
massive heat increase, obviosly
Hume compares your sense of right and wrong to what?
Our sense of heat and color, which objects cause in us.
What did Hume compare our sense of right and wrong?
our sense of heat and color, which objects cause in us
