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Chapter 1: Problem 8
Write the symbol for the following elements. (a) manganese (b) lead (c) gold (d) silver
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A solid with an irregular shape and a mass of \(11.33 \mathrm{~g}\) is added to a graduated cylinder filled with water \((d=1.00 \mathrm{~g} / \mathrm{mL})\) to the \(35.0-\mathrm{mL}\) mark, After the solid sinks to the bottom, the water level is read to be at the 42.3-mL mark. What is the density of the solid?
Calculate the following to the correct number of significant figures. Assume that all these numbers are measurements. (a) \(x=17.2+65.18-2.4\) (b) \(x=\frac{13.0217}{17.10}\) (c) \(x=(0.0061020)(2.0092)(1200.00)\) (d) \(x=0.0034+\frac{\sqrt{(0.0034)^{2}+4(1.000)\left(6.3 \times 10^{-4}\right)}}{(2)(1.000)}\)
A glass of lukewarm milk is suggested for people who cannot sleep. Milk at \(52^{\circ} \mathrm{C}\) can be characterized as lukewarm. What is the temperature of lukewarm milk in \({ }^{\circ} \mathrm{F}\) ? In \(\mathrm{K}\) ?
The volume of a sphere is \(4 \pi r^{3} / 3\), where \(r\) is the radius. One student measured the radius to be \(4.30 \mathrm{~cm} .\) Another measured the radius to be \(4.33 \mathrm{~cm}\). What is the difference in volume between the two measurements?
A metal slug weighing \(25.17 \mathrm{~g}\) is added to a flask with a volume of \(59.7 \mathrm{~mL}\). It is found that \(43.7 \mathrm{~g}\) of methanol \((d=0.791 \mathrm{~g} / \mathrm{mL})\) must be added to the metal to fill the flask. What is the density of the metal?
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