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Chapter 16: Q114 AE (page 704)

When wet laundry is hung on a clothesline on a cold winter day, it freezes but eventually dries. Explain.

Short Answer

Expert verified

The process of evaporation takes place in this case, and evaporation causes cooling.

Step by step solution

Wet laundry

Wet clothes contain water. The water has to be removed from them to make them dry. When the sun’s heat is present, the water becomes water vapor and escapes from the clothes.

Explanation

The process of conversion of water into water vapor is an endothermic process. It requires heat energy and is absorbed from the clothes. Due to this, the clothes will have a cooling effect at first and then become dry.

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Most popular questions from this chapter

The critical point of ${NH}_{3}$ is $132 ° C$ and 111 atm, and thecritical point of role="math" localid="1663782837040" $N_{2} is - 147^{0} C$ and 34 atm. Which of these substances cannot be liquefied at room temperature no matter how much pressure is applied? Explain.

Consider the following melting point data:

$C o m p o u n d N a C l M g C l_{2} A l C l_{3} S i C l_{4} P C l_{3} S C l_{2} C l_{2} \ hfill m p ({}^{\circ}C) 801 708 190 - 70 - 91 - 78 - 101 \ hfill C o m p o u n d N a F M g F_{2} A l F_{3} S i F_{4} P F_{5} S F_{6} F_{2} \ hfill m p ({}^{\circ}C) 997 1396 1040 - 90 - 84 - 56 - 220 \ hfill$

Account for the trends in melting points in terms of interparticle

forces.

What is closest packing? What is the difference between hexagonal closest packing and cubic closest packing? What is the unit cell for each closest packing arrangement?

How does each of the following affect the rate of evaporation of a liquid in an open dish?

a. intermolecular forces

b. temperature

c. surface area

The unit cell for a pure xenon fluoride compound is shown below. What is the formula of the compound?

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When wet laundry is hung on a clothesline on a cold winter day, it freezes but eventually dries. Explain.

Short Answer

Step by step solution

Wet laundry

Explanation

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Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

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