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Dejanras
Answer is: temperature of helium is -296,95°C.
The temperature T in degrees Celsius (°C) is equal to the temperature T in Kelvin (K) minus 273,15: T(°C) = T(K) - 273.15.
T(He) = 4,2 K.
T(He) = 4,2 K - 273,15.
T(He) = -268,95°C.
The Celsius scale was based on 0°C for the freezing point of water and 100°C for the boiling point of water at 1 atm pressure.
ardni313

The temperatur e of Helium in °C =  -268.8 °

Further explanation

Temperature is one of the principal quantities that shows the degree of heat or cold from an object / space

Temperature is used as a guide to the level of heat energy from objects

Temperature measures thermal energy

The temperature of an object also depends on the kinetic energy of the object's molecules

Temperature cannot be measured by the surface of the hand because it is not accurate but can be measured by a thermometer. Temperature units include Celsius, Fahrenheit, Reamur or Kelvin

Boiling point and freezing point of Temperature units;

  • 1. Celsius

Boiling point : 100 °C

Freezing point: 0 °C

  • 2. Reamur

Boiling point : 80 °R

Freezing point: 0 °R

  • 3. Fahrenheit

Boiling point : 212 °F

Freezing point: 32 °F

  • 4. Kelvin

Boiling point : 373 °K

Freezing point: 273 °K

Whereas the temperature conversion is

°F = (9/5) °C + 32

°R = (4/5) °C

°K = °C + 273

°C = 5/9 (°F-32)

°R = 4/9 (°F-32)

°K = 5/9 (°F-32) + 273

°C = °K - 273

°R = 4/5 (°K-273)

°F = 9/5 (°K-273) + 32

°C = (5/4) °R

°F = (9/4) °R + 32

°K = °C + 273

°K = (5/4) °R + 273

Helium at 4.2 K, then the temperature in C  :

C = K - 273

C = 4.2 - 273

C = -268.8 C

Learn more

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