Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 1 - The Foundations of Chemistry - Exercises - Heat Transfer and Temperature Measurement - Page 39: 56

Answer

a) $T(°R)=0.8 T(°C)$ b) $T(°R)=\frac49 (T(°F)-32)$ c) $T(°R)=285.3°R$

Work Step by Step

a) In the Celsius scale, water freezes at 0°C and boils at 100°C, using the linear interpolation method: $\frac{T(°R)-0°R}{80°R-0°R}=\frac{T(°C)-0°C}{100°C-0°C}$ $T(°R)=\frac{80}{100}\cdot T(°C)$ $T(°R)=0.8 T(°C)$ b) In the Fahrenheit scale, water freezes at 32°F and boils at 212°F, using the linear interpolation method: $\frac{T(°R)-0°R}{80°R-0°R}=\frac{T(°F)-32°F}{212°F-32°F}$ $T(°R)=\frac{80}{180}\cdot (T(°F)-32)$ $T(°R)=\frac49 (T(°F)-32)$ c) Using the conversion formula from part (a): $T(°R)=0.8 \cdot 356.6$ $T(°R)=285.3°R$
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