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Zigmanuir [339]
4 years ago
15

Is drying wet clothes a physical or chemical change

Chemistry
2 answers:
grandymaker [24]4 years ago
8 0
Drying clothes is a physical change, because it is not permanent. The clothes could just be wettened again, therefore it is not a chemical change.

~Hope I helped!~
Nadya [2.5K]4 years ago
5 0
Drying wet clothes would be seen as a physical change. This is because physical changes<span> are </span>changes<span> that affect the form of a chemical substance, but not its chemical composition. Drying wet clothes did not change its chemical composition, therefore the answer to this question IS in fact, a physical change!
(hope it helped ^_^)

</span>
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1. P = F/A; weight is a force (the force of gravity on an object), so divide the weight by the area given. P = 768 pounds/75.0 in² = 10.2 pounds/in².

2. Using the same equation from question 1, rearrange it to solve for A: A = F/P. We're given the force (the weight) and the pressure, so A = 125 pounds/3.25 pounds/in² = 38.5 in².

3. Again, using the same equation from question 1, rearrange it this time to solve for F: F = PA = (4.33 pounds/in²)(35.6 in²) = 154 pounds.

4. We can set up a proportion given that 14.7 PSI = 101 KPa. This ratio should hold for 23.6 PSI. In other words, 14.7/101 = 23.6/x; to solve for x, which would be your answer, we compute 23.6 PSI × 101 kPa ÷ 14.7 PSI = 162 kPa.

5. We are told that 1.00 atm = 760. mmHg, and we want to know how many atm are equal to 854 mmHg. As we did with question 4, we set up a proportion: 1/760. = x/854, and solve for x. 854 mmHg × 1.00 atm ÷ 760. mmHg = 1.12 atm.

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