Chapter 5: Problem 13
Convert \(562 \mathrm{mmHg}\) to atm.
Chapter 5: Problem 13
Convert \(562 \mathrm{mmHg}\) to atm.
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A gas-filled balloon having a volume of \(2.50 \mathrm{~L}\) at \(1.2 \mathrm{~atm}\) and \(25^{\circ} \mathrm{C}\) is allowed to rise to the stratosphere (about \(30 \mathrm{~km}\) above the surface of Earth), where the temperature and pressure are \(-23^{\circ} \mathrm{C}\) and \(3.00 \times 10^{-3}\) atm, respectively. Calculate the final volume of the balloon.
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Nickel forms a gaseous compound of the formula \(\mathrm{Ni}(\mathrm{CO})_{x}\). What is the value of \(x\) given the fact that under the same conditions of temperature and pressure methane \(\left(\mathrm{CH}_{4}\right)\) effuses 3.3 times faster than the compound?
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 \(25^{\circ} \mathrm{C}=\) \(23.8 \mathrm{mmHg} .)\)
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