Use your knowledge of changes of state to explain the following:a. Why is a spray that eva...

Use your knowledge of changes of state to explain the following:

a. Why is a spray that evaporates quickly, such as ethyl chloride, used to numb a sports injury during a game?

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b. Why does water in a wide, flat, shallow dish evaporate more quickly than the same amount of water in a tall, narrow vase?

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c. Why does a sandwich on a plate dry out faster than a sandwich in plastic wrap?