1. What are the reasons why mercury is used in barometers rather than water? 2. Bird bones have air pockets in them to reduce their weight-this also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 35.0 g and its apparent mass when submerged is 3.40 g (the bone is watertight). (a) What mass of water is displaced? (b) What is the volume of the bone? (c) What is its average density?
1. What are the reasons why mercury is used in barometers rather than water? 2. Bird bones have air pockets in them to reduce their weight-this also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 35.0 g and its apparent mass when submerged is 3.40 g (the bone is watertight). (a) What mass of water is displaced? (b) What is the volume of the bone? (c) What is its average density?
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Transcribed Image Text:1. What are the reasons why mercury is used in barometers rather than water?
2. Bird bones have air pockets in them to reduce their weight-this also gives them an
average density significantly less than that of the bones of other animals. Suppose
an ornithologist weighs a bird bone in air and in water and finds its mass is 35.0 g
and its apparent mass when submerged is 3.40 g (the bone is watertight). (a) What
mass of water is displaced? (b) What is the volume of the bone? (c) What is its
average density?
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