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Q. 11.1 The triple points of neon and carbon dioxide are 24.57\; K and 216.55\; K respectively. Express these temperatures on the Celsius and Fahrenheit scales.

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The relation between Kelvin and Celcius scale is TK = TC + 273.15

Triple Point of Neon in Kelvin: TK = 24.57 K

Triple Point of Neon in Celcius: TC = TK -273.15 = 24.57 -273.15 =-248.58 oC

Triple Point of carbon dioxide in Kelvin: TK = 216.55 K

Triple Point of carbon dioxide in Celcius: T= TK -273.15 = 216.55 - 273.15 = -56.60 oC

The relation between the celsius and Fahrenheit scale is T_{F}=\frac{9}{5}T_{C} + 32

The triple point of Neon in Fahrenheit is

T_{F}=\frac{9}{5}\times (-248.58) + 32

TF = -415.44 oC

The triple point of carbon dioxide in Fahrenheit is

T_{F}=\frac{9}{5}\times (-56.60) + 32

TF = -69.88 oC

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