Temperature and Thermometers (Leaving Cert Physics): Flashcards

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Temperature and Thermometers
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Temperature measures

Average kinetic energy of particles

Water freezing point (Celsius)

0°C

Water boiling point (Celsius)

100°C

Kelvin is what type of temperature scale

Absolute temperature scale

Absolute zero in Kelvin

0 K

What happens at absolute zero

All molecular motion theoretically stops

Convert Celsius to Kelvin

T(K)=θ(°C)+273.15T(K) = \theta(°C) + 273.15

Convert Kelvin to Celsius

θ(°C)=T(K)−273.15\theta(°C) = T(K) - 273.15

0°C in Kelvin

273.15 K

Absolute zero in Celsius

-273.15°C

Thermometric property definition

Physical characteristic that changes measurably with temp

Mercury thermometer property

Length of liquid column

Platinum resistance thermometer property

Electrical resistance

Thermocouple thermometric property

Voltage/EMF

Platinum resistance thermometer range

-200 to 1200°C

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