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Chapter 1: Problem 23
Bromine is a reddish-brown liquid. Calculate its density (in \(g / \mathrm{mL}\) ) if \(586 \mathrm{~g}\) of the substance occupies \(188 \mathrm{~mL}\)
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Explain what is meant by the scientific method.
Express the wing numbers as decimals: (a) \(1.52 \times 10^{-2},\) (b) \(7.78 \times 10^{-8}\)
A \(250-\mathrm{mL}\) glass bottle was filled with \(242 \mathrm{~mL}\) of water at \(20^{\circ} \mathrm{C}\) and tightly capped. It was then left outdoors overnight, where the average temperature was \(-5^{\circ} \mathrm{C}\). Predict what would happen. The density of water at \(20^{\circ} \mathrm{C}\) is \(0.998 \mathrm{~g} / \mathrm{cm}^{3}\) and that of ice at \(-5^{\circ} \mathrm{C}\) is $0.916 \mathrm{~g} / \mathrm{cm}^{3}.
A sheet of aluminum (AI) foil has a total area of \(1.000 \mathrm{ft}^{2}\) and a mass of \(3.636 \mathrm{~g}\). What is the thickness of the foil in millimeters? (Density of Al = \(\left.2.699 \mathrm{~g} / \mathrm{cm}^{3} .\right)\)
Convert the following temperatures to kelvin: (a) \(113^{\circ} \mathrm{C}\), the melting point of sulfur, (b) \(37^{\circ} \mathrm{C}\), the normal body temperature, (c) \(357^{\circ} \mathrm{C},\) the boiling point of mercury.
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