Problem 13
Determine the mole fractions of each component when \(44.5 \mathrm{~g}\) of He is mixed with \(8.83 \mathrm{~g}\) of \(\mathrm{H}_{2}\)
Problem 13
What is the volume of 17.88 mol of Ar at STP?
Problem 13
Air, a mixture of mostly \(\mathrm{N}_{2}\) and \(\mathrm{O}_{2}\), can be approximated as having a molar mass of \(28.8 \mathrm{~g} / \mathrm{mol}\). What is the density of air at 1.00 atm and \(22^{\circ} \mathrm{C} ?\) (This is approximately sea level.)
Problem 13
A gas starts with initial pressure of 7.11 atm, initial temperature of \(66^{\circ} \mathrm{C}\), and initial volume of \(90.7 \mathrm{~mL}\). If its conditions change to \(33^{\circ} \mathrm{C}\) and \(14.33 \mathrm{~atm}\), what is its final volume?
Problem 13
A gas has an initial volume of \(67.5 \mathrm{~mL}\) and an initial temperature of \(315 \mathrm{~K}\). What is its new volume if temperature is changed to 244 K? Assume pressure and amount are held constant.
Problem 14
Determine the mole fractions of each component when \(9.33 \mathrm{~g}\) of \(\mathrm{SO}_{2}\) is mixed with \(13.29 \mathrm{~g}\) of \(\mathrm{SO}_{3}\)
Problem 14
A sample of gas doubles its pressure and doubles its absolute temperature. By what amount does the volume change?
Problem 14
How many moles are present in \(334 \mathrm{~L}\) of \(\mathrm{H}_{2}\) at STP?
Problem 14
Air, a mixture of mostly \(\mathrm{N}_{2}\) and \(\mathrm{O}_{2}\), can be approximated as having a molar mass of \(28.8 \mathrm{~g} / \mathrm{mol}\). What is the density of air at 0.26 atm and \(-26^{\circ} \mathrm{C} ?\) (This is approximately the atmospheric condition at the summit of Mount Everest.)
Problem 14
A gas has an initial volume of \(2.033 \mathrm{~L}\) and an initial temperature of \(89.3 \mathrm{~K}\). What is its volume if temperature is changed to \(184 \mathrm{~K}\) ? Assume pressure and amount are held constant.
