General Chemistry Principles And Modern Applications 11th Edition Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette - Solutions

The density of silver is 10.5 g/mL. What is the volume of 475 g of silver? (a) 475 / 10.5; (b) 10.5 / 475; (c) 1/[10.5 x 475]; (d) 475 x 10.5; (e) None of these
The density of water is 0.9982 g/cm3 at 20 °C. Express the density of water at 20 °C in the following units: (a) g/L; (b) kg/m3; (c) kg/km3.
The reported value for the volume of a rectangular piece of cardboard with the dimensions 36 cm x 20.2 cm x 9 mm should be(a) 6.5 x 103 cm3;(b) 7 x 102 cm3; (c) 655 cm3; (d) 6.5 x 102 cm3.
List the following in the order of increasing precision, indicating any quantities about which the precision is uncertain: (a) 1400 km; (b) 1516 kg; (c) 0.00304 g; (d) 125.34 cm; (e) 2000 mg.
Without doing detailed calculations, explain which of the following objects contains the greatest mass of the element iron. (a) A 1.00 kg pile of pure iron filings. (b) A cube of wrought iron, 5.0 cm on edge. Wrought iron contains 98.5% iron by mass and has a density of 7.7 g/cm3.(c) A square
A lump of pure copper weighs 25.305 g in air and 22.486 g when submerged in water (d = 0.9982 g/mL) at 20.0 °C. Suppose the copper is then rolled into a 248 cm2 foil of uniform thickness. What will this thickness be, in millimeters?
Water, a compound, is a substance. Is there any circumstance under which a sample of pure water can exist as a heterogeneous mixture? Explain.
In the production of ammonia, the following processes occur. (a) Air is liquefied at low temperature and high pressure. (b) The temperature of the liquid air is raised gradually until the oxygen boils off. Essentially pure liquid nitrogen remains. (c) Natural gas is treated with steam to produce

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