Question:
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.
Answer:
Kelvin and Celsius
scales are related as:
TC = TK – 273.15 … (i)
Celsius and Fahrenheit scales are related as:
TF = (9/5)TC + 32 ....(ii)
For neon:
TK = 24.57 K
∴ TC = 24.57 – 273.15 = –248.58°C
TF = (9/5)TC + 32
= (9/5) × (-248.58) +32
= 415.440 F
For carbon dioxide:
TK = 216.55 K
∴ TC= 216.55 – 273.15 = –56.60°C
TF = (9/5)TC + 32
= (9/5) × (-56.60) +32
= -69.880 C
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