Chapter 1: Problem 34
Convert \(6743 \mathrm{~nm}\) to (a) \(\AA\) (b) inches (c) miles
Chapter 1: Problem 34
Convert \(6743 \mathrm{~nm}\) to (a) \(\AA\) (b) inches (c) miles
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Get started for freeThe unit of land measure in the English system is the acre, while that in the metric system is the hectare. An acre is \(4.356 \times 10^{4} \mathrm{ft}^{2} .\) A hectare is ten thousand square meters. The town of Willington in Connecticut requires a minimum area of \(2.0\) acres of land for a single-family dwelling. How many hectares are required?
Lead has a density of \(11.34 \mathrm{~g} / \mathrm{cm}^{3}\) and oxygen has a density of \(1.31 \times 10^{-3} \mathrm{~g} / \mathrm{cm}^{3}\) at room temperature. How many \(\mathrm{cm}^{3}\) are occupied by \(1 \mathrm{~g}\) of lead? By \(1 \mathrm{~g}\) of oxygen? Comment on the difference in volume for the two elements.
How do you distinguish (a) density from solubility? (b) an element from a compound? (c) a solution from a heterogeneous mixture?
Some states have reduced the legal limit for alcohol sobriety from \(0.10 \%\) to \(0.080 \%\) alcohol by volume in blood plasma. (a) How many milliliters of alcohol are in \(3.0\) qt of blood plasma at the lower legal limit? (b) How many milliliters of alcohol are in \(3.0\) qt of blood plasma at the higher legal limit? (c) How much less alcohol is in \(3.0\) qt of blood plasma with the reduced sobriety level?
A listing of a house for sale states that there are 5 bedrooms, \(4000 \mathrm{ft}^{2}\) of living area, and a living room with dimensions \(17 \times 18.5 \mathrm{ft}\). How many significant figures are there in each quantity? (Your answer may include the words ambiguous and exact.)
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