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Chapter 14: Q21Q (page 390)
Explain why air temperature readings are always taken with the thermometer in the shade.
In the presence of direct sunlight, the thermometer's reading is higher than the normal air temperature.
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If you hear that an object has 鈥渉igh heat content,鈥� does that mean that its temperature is high? Explain.
Explain why cities situated by the ocean tend to have less extreme temperatures than inland cities at the same latitude.
(III) Approximately how long should it take 8.2 kg of ice at 0掳C to melt when it is placed in a carefully sealed Styrofoam ice chest of dimensions \({\bf{25}}\;{\bf{cm \times 35}}\;{\bf{cm \times 55}}\;{\bf{cm}}\) whose walls are 1.5 cm thick? Assume that the conductivity of Styrofoam is double that of air and that the outside temperature is 34掳C.
Explain why burns caused by steam at 100掳C on the skin are often more severe than burns caused by water at 100掳C.
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