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Chapter 11: Q3CQ (page 394)
Why are gases easier to compress than liquids and solids?
A substance can be easily compressed if the intermolecular force is very less.
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During forced exhalation, such as when blowing up a balloon, the diaphragm and chest muscles create a pressure of\[{\rm{60}}{\rm{.0 mm Hg}}\]between the lungs and chest wall. What force in newton’s does this pressure create on the\[{\rm{600 c}}{{\rm{m}}^{\rm{2}}}\]surface area of the diaphragm?
Figure shows a glass of ice water filled to the brim. Will the water overflow when the ice melts? Explain your answer.
Gold is sold by the troy ounce . What is the volume oftroyounce of pure gold?
Calculate the ratio of the heights to which water and mercury are raised by capillary action in the same glass tube.
(a) What is the density of a woman who floats in freshwater with of her volume above the surface? This could be measured by placing her in a tank with marks on the side to measure how much water she displaces when floating and when held under water (briefly). (b) What percent of her volume is above the surface when she floats in seawater?
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