AP* Chemistry: The Central Science (NASTA Edition)
14th Edition
ISBN: 9780134650951
Author: Brown and Lemay
Publisher: PEARSON
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Light travels in a vacuum at a speed of 3.00 × 108 m s-1 .(a) Convert this speed to miles per second.(b) Express this speed in furlongs per fortnight, a littleused unit of speed. (A furlong, a distance used in horse racing, is 660 ft; a fortnight is exactly 2 weeks.)
The distance between two adjacent peaks on a wave is called the wavelength.(a) The wavelength of a beam of ultraviolet light is 247 nano-meters (nm). What is its wavelength in meters?(b) The wavelength of a beam of red light is 6760 pm. What is its wavelength in angstroms (Å)?
(a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in g/cm3 at this temperature?(b) The density of titanium metal is 4.51g/cm3 at 25 °C.What mass of titanium displaces 125.0 mL of water at 25 °C?
(c) The density of benzene at 15 °C is 0.8787 g/mL. Calculatethe mass of 0.1500 L of benzene at this temperature.
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