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How is absolute zero originally determined?
The volume of gases decreases with temperature; extrapolating the volume/temperature relationship, it looked as if all gases would reach a volume of zero at approximately the same temperature, about minus 273 degrees centigrade.
Does heat reach us from the sun by convection?
Heat from the sun reaches Earth by radiation. Convection involves air movement, so heat from a forced air furnace would be an example of convection, as would heat in a convection oven which is basically a regular oven with a fan to distribute the heat more evenly.
How do substances reach thermal equilibrium?
Substances reach thermal equilibrium by transferring heat from the hotter object to the cooler object until they reach the same temperature. This can occur through conduction, convection, or radiation. Once they reach thermal equilibrium, there is no further net transfer of heat between the objects.
What provides the force that causes magma to erupt to the surface?
The force that causes magma to erupt to the surface is primarily due to the build-up of pressure from the expansion of gases within the magma chamber. As the pressure exceeds the strength of the surrounding rock, the magma forces its way through the crust to reach the surface, resulting in an eruption.
What makes Heat makes something burst into flames?
Heat can cause a material to reach its ignition temperature, at which point it releases gases that can ignite and sustain combustion. This process is known as pyrolysis, and it happens when a material is heated to the point where it breaks down chemically and reacts with oxygen in the air.
What happens to gases when they reach the clouds?
the clould will produce rain which is water
How is absolute zero originally determined?
The volume of gases decreases with temperature; extrapolating the volume/temperature relationship, it looked as if all gases would reach a volume of zero at approximately the same temperature, about minus 273 degrees centigrade.
What happens to temperature once you reach the stratosphere?
The altitude rises.
What happens to convition current when the liquid or gas is no longer heated?
When the liquid or gas is no longer heated, the convection current slows down or stops completely. This is because the temperature difference that drives the movement of the fluid is no longer there. As a result, the fluid will eventually reach thermal equilibrium where there is no more heat transfer and the convection current will cease.
Does heat reach us from the sun by convection?
Heat from the sun reaches Earth by radiation. Convection involves air movement, so heat from a forced air furnace would be an example of convection, as would heat in a convection oven which is basically a regular oven with a fan to distribute the heat more evenly.
How long does it take to pre heat an oven in 180 degree Celsius?
A properly working oven will preheat to 180 degrees in 3 minutes. If the coil is old, it can take longer to reach that temperature. New convection ovens reach temperature in less time.
How do substances reach thermal equilibrium?
Substances reach thermal equilibrium by transferring heat from the hotter object to the cooler object until they reach the same temperature. This can occur through conduction, convection, or radiation. Once they reach thermal equilibrium, there is no further net transfer of heat between the objects.
When you turn on heat in your car how does heat reach you?
Its convection.
What provides the force that causes magma to erupt to the surface?
The force that causes magma to erupt to the surface is primarily due to the build-up of pressure from the expansion of gases within the magma chamber. As the pressure exceeds the strength of the surrounding rock, the magma forces its way through the crust to reach the surface, resulting in an eruption.
Why does heat transfer occur?
Heat transfer occurs because of the natural tendency of energy to move from areas of higher temperature to areas of lower temperature in order to reach thermal equilibrium. This transfer can happen through conduction, convection, or radiation.
What makes Heat makes something burst into flames?
Heat can cause a material to reach its ignition temperature, at which point it releases gases that can ignite and sustain combustion. This process is known as pyrolysis, and it happens when a material is heated to the point where it breaks down chemically and reacts with oxygen in the air.
Describe how to separate cold air into parts?
The only way to separate air is to freeze it into a solid, and then slowly bring the temperature up so that the gases reach their evaporating poin one by one, and collect the gases separatly as they escape.
