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1) Three factors control the rate of evaporation of a liquid: surface area, temperature, and strengths of intermolecular forces. More than one of the statements given described a correct effect. The statements are (1) the larger the surface area, the faster the rate of evaporation of the liquid, (2) the higher the temperature, the faster the rate of evaporation of the liquid, and (3) the stronger the intermolecular attractive forces, the faster the rate of evaporation of the liquid. Which choices are correct?

a) choices 1 and 2
b) choices 1 and 3
c) choices 2 and 3
d) all three choices are valid and describe a correct effect.
e) none of the three choices describe a correct effect.

I know that I already posted this and the answer was that statement 3 is incorrect but I was not sure if statement 1 was incorrect as well because that is the one that I originally thought was incorrect?

So is only statement 2 correct?

  • Chemistry - ,

    No, both 1 and 2 are correct. Think about what you know.
    a. Think about placing water in a cup and placing that on a table. How long will it take to evaporate until the cup is dry? Quite a while, right? But if we take a teaspoon and place the (cup of) water around in drops on the table, floor, counter tops, etc doesn't it evaporate faster? Of course it does BECAUSE you have increased the surface area.

  • Chemistry - ,

    oh ok I understand now, thank you for your help!

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