Chapter 5: Problem 86
The boiling point of liquid nitrogen is \(-196^{\circ} \mathrm{C}\). On the basis of this information alone, do you think nitrogen is an ideal gas?
Chapter 5: Problem 86
The boiling point of liquid nitrogen is \(-196^{\circ} \mathrm{C}\). On the basis of this information alone, do you think nitrogen is an ideal gas?
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Get started for freeA gas evolved during the fermentation of glucose (wine making) has a volume of \(0.78 \mathrm{~L}\) when measured at \(20.1^{\circ} \mathrm{C}\) and \(1.00 \mathrm{~atm} .\) What was the volume of this gas at the fermentation temperature of \(36.5^{\circ} \mathrm{C}\) and 1.00 atm pressure?
Dissolving \(3.00 \mathrm{~g}\) of an impure sample of calcium carbonate in hydrochloric acid produced \(0.656 \mathrm{~L}\) of carbon dioxide (measured at \(20.0^{\circ} \mathrm{C}\) and \(792 \mathrm{mmHg}\) ). Calculate the percent by mass of calcium carbonate in the sample. State any assumptions.
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: $$\mathrm{Zn}(s)+2 \mathrm{HCl}(a q) \longrightarrow \mathrm{ZnCl}_{2}(a q)+\mathrm{H}_{2}(g)$$ The hydrogen gas produced is collected over water at \(25.0^{\circ} \mathrm{C}\) using an arrangement similar to that shown in Figure \(5.14 .\) The volume of the gas is \(7.80 \mathrm{~L},\) and the atmospheric pressure is \(0.980 \mathrm{~atm} .\) Calculate the amount of zinc metal in grams consumed in the reaction. (Vapor pressure of water at \(25^{\circ} \mathrm{C}=\) \(23.8 \mathrm{mmHg} .)\)
What does the Maxwell speed distribution curve tell us? Does Maxwell's theory work for a sample of 200 molecules? Explain.
Why is mercury a more suitable substance to use i a barometer than water?
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