A chunk of coal is weighed twice while suspended from a spring scale (see Figure 1-10). When
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A chunk of coal is weighed twice while suspended from a spring scale (see Figure 1-10). When the coal is suspended in air, the scale registers 156 g; when the coal is suspended underwater at 20 °C, the scale registers 59 g. What is the density of the coal? The density of water at 20 °C is 0.9982 g cm–3.
Figure 1-10
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Analyze We need the ratio of mass to volume of the chunk of coal The mass of the coal is easily obtained it is what registers on the scale when the coal is suspended in air 156 g But what is the volum...View the full answer
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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