Why some lab temperatures start at -5 degree celcius?
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because of the gases which is kept in the laboratory
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WILLIAM1941 | STUDENT
The lowest possible temperature that can be physically achieved is called absolute zero. Using the third law of thermodynamics, entropy or the disorder in a substance reaches zero at absolute zero. It is also the temperature at which the volume of gases becomes zero. Absolute zero is only hypothetical with no possibility of our reaching it in reality, as no element remains a gas at temperatures as low as absolute zero. Only by using the quantum effects of matter can we reach a temperature that is very close to it.
On the Celsius scale absolute zero is -273 degree and on the Kelvin scale of temperature it is zero Kelvin.
KSHITIJTHE123420 | STUDENT
The lowest possible temperature, or absolute zero as it is called, is −459.67 degrees Fahrenheit, or −273.
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