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Chapter 12: Problem 167
How many gallons of 24 -proof wine would you have to drink to consume \(0.100\) gallon of alcohol?
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If the dissolution of a particular solute in water is endothermic, what must be true about (a) \(\Delta E_{\text {total }}\) and (b) the change in entropy for the system as a result of the dissolution?
How many milliliters of a \(0.250 \mathrm{M}\) solution of glucose, \(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\), are required to obtain \(100.0 \mathrm{~g}\) of glucose?
Hexane, which is a liquid at room temperature, is more volatile than water. (a) What does this mean? (b) Which liquid has the higher vapor pressure at a given temperature? (c) Which liquid most likely has the higher boiling point? (d) Why is hexane more volatile than water?
In a titration of \(\mathrm{HCl}\) with \(\mathrm{NaOH}\), you read the buret to see how much base it took to neutralize the acid (turn the indicator pink). You do this titration to determine the molar concentration of the acid. Why is it important to accurately know the amount (volume) of acid that you originally put into the flask?
Combustion analysis reveals vitamin \(\mathrm{C}\) to be \(40.9 \%\) by mass \(\mathrm{C}\) and \(4.58 \%\) by mass \(\mathrm{H}\). The only other element present is oxygen. A solution of \(19.40 \mathrm{~g}\) of vitamin \(\mathrm{C}\) in \(100.0 \mathrm{~g}\) of water freezes at \(22.05^{\circ} \mathrm{C}\). What is the molecular formula of vitamin \(C\) ?
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