Chemical Principles
8th Edition
ISBN: 9781305581982
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 5, Problem 70E
Xenon and fluorine will react to form binary compoundswhen a mixture of these two gases is heated to400°C in a nickel reaction vessel. A 100.0-mL nickelcontainer is filled with xenon and fluorine giving partialpressures of 1.24 atm and 10.10 atm, respectively, at atemperature of 25°C. The reaction vessel is heated to400°C to cause a reaction to occur and then cooled to a temperature at which
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Zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following
equation:
Zn(s) + 2HCI(aq) ZnCl2(aq) + H2(g)
The product gas, H2, is collected over water at a temperature of 25 °C and a pressure of 754 mm Hg. If the
wet H2 gas formed occupies a volume of 6.46 L, the number of moles of Zn reacted was
mol.
The vapor pressure of water is 23.8 mm Hg at 25 °C.
Submit Answer
A 2.00 L reaction container at 25.0 °C contains CO2 (g) and O2 (g). The total pressure of the gases in the container was 656 torr and the mole fraction of CO2 is 0.245.
A)Calculate the partial pressure of oxygen gas in the mixture.
B)Calculate the mass of oxygen gas in the mixture (in g).
C)Which gas will rise to the top of the container? Explain your answer.
A student experimentally determines the gas law constant, R, by reacting a small piece of magnesium
with excess hydrochloric acid and then collecting the hydrogen gas over water in a eudiometer. Based
L-atm
on experimentally collected data, the student calculates R to equal 0.0832
mol·K
L-atm
Ideal gas law constant from literature: 0.08206
mol·K
(a) Determine the percent error for the student's R-value.
Percent error =
%
(b) For the statements below, identify the possible source(s) of error for this student's trial.
The student notices a large air bubble in the eudiometer after collecting the hydrogen gas, but
does not dislodge it.
The student does not clean the zinc metal with sand paper.
The student does not equilibrate the water levels within the eudiometer and the beaker at the
end of the reaction. The water level in the eudiometer is 1-inch above the water level in the
beaker.
The student uses the barometric pressure for the lab to calculate R.
Chapter 5 Solutions
Chemical Principles
Ch. 5 - Consider the following apparatus: a test tube...Ch. 5 - Prob. 2DQCh. 5 - Prob. 3DQCh. 5 - Prob. 4DQCh. 5 - Prob. 5DQCh. 5 - Prob. 6DQCh. 5 - Prob. 7DQCh. 5 - Prob. 8DQCh. 5 - Prob. 9DQCh. 5 - Prob. 10DQ
Ch. 5 - Prob. 11DQCh. 5 - Prob. 12DQCh. 5 - Prob. 13DQCh. 5 - Prob. 14DQCh. 5 - Prob. 15DQCh. 5 - Prob. 16DQCh. 5 - Prob. 17DQCh. 5 - For each of the quantities (af) listed below,...Ch. 5 - Prob. 19DQCh. 5 - Prob. 20DQCh. 5 - A sealed-tube manometer as shown below can be...Ch. 5 - A diagram for an open-tube manometer is shown...Ch. 5 - Prob. 23ECh. 5 - Prob. 24ECh. 5 - A gauge on a compressed gas cylinder reads 2200...Ch. 5 - Prob. 26ECh. 5 - Prob. 27ECh. 5 - Prob. 28ECh. 5 - Prob. 29ECh. 5 - Prob. 30ECh. 5 - A mixture of 1.00 g H2 and 1.00 g He is placed in...Ch. 5 - Prob. 32ECh. 5 - Prob. 33ECh. 5 - Prob. 34ECh. 5 - A piece of solid carbon dioxide, with a mass of...Ch. 5 - Prob. 36ECh. 5 - Suppose two 200.0-L tanks are to be filled...Ch. 5 - Prob. 38ECh. 5 - Prob. 39ECh. 5 - Prob. 40ECh. 5 - Prob. 41ECh. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - A sample of nitrogen gas was collected over water...Ch. 5 - Prob. 47ECh. 5 - Prob. 48ECh. 5 - Prob. 49ECh. 5 - A 1.00-L gas sample at 100.°C and 600. torr...Ch. 5 - Prob. 51ECh. 5 - Given that a sample of air is made up of nitrogen,...Ch. 5 - Prob. 53ECh. 5 - Prob. 54ECh. 5 - A compound contains only nitrogen and hydrogen and...Ch. 5 - A compound has the empirical formula CHCl. A...Ch. 5 - One of the chemical controversies of the...Ch. 5 - Discrepancies in the experimental values of the...Ch. 5 - A sample of methane (CH4) gas contains a small...Ch. 5 - Prob. 60ECh. 5 - Prob. 61ECh. 5 - Urea (H2NCONH2) is used extensively as a...Ch. 5 - Methanol (CH3OH) can be produced by the...Ch. 5 - Consider the reaction between 50.0 mL of liquid...Ch. 5 - Some very effective rocket fuels are composed of...Ch. 5 - Air bags are activated when a severe impact causes...Ch. 5 - Prob. 67ECh. 5 - Prob. 68ECh. 5 - Prob. 69ECh. 5 - Xenon and fluorine will react to form binary...Ch. 5 - The nitrogen content of organic compounds can be...Ch. 5 - Prob. 72ECh. 5 - Prob. 73ECh. 5 - Consider the following balanced equation in which...Ch. 5 - Prob. 75ECh. 5 - Prob. 76ECh. 5 - Prob. 77ECh. 5 - Prob. 78ECh. 5 - Prob. 79ECh. 5 - Prob. 80ECh. 5 - Calculate the average kinetic energies of the...Ch. 5 - Prob. 82ECh. 5 - Prob. 83ECh. 5 - Prob. 84ECh. 5 - Prob. 85ECh. 5 - Prob. 86ECh. 5 - Prob. 87ECh. 5 - One way of separating oxygen isotopes is by...Ch. 5 - A compound contains only C, H, and N. It is 58.51%...Ch. 5 - Prob. 90ECh. 5 - Prob. 91ECh. 5 - Prob. 92ECh. 5 - Why do real gases not always behave ideally?...Ch. 5 - Prob. 94ECh. 5 - Prob. 95ECh. 5 - Without looking at tables of values, which of the...Ch. 5 - Prob. 97ECh. 5 - Prob. 98ECh. 5 - Prob. 99ECh. 5 - Prob. 100ECh. 5 - Prob. 101ECh. 5 - Prob. 102ECh. 5 - Consider separate 1.0-L samples of O2(g) and...Ch. 5 - Consider separate 1.00-L samples of Ar(g), both...Ch. 5 - Calculate the intermolecular collision frequency...Ch. 5 - Prob. 106ECh. 5 - Prob. 107ECh. 5 - Prob. 108ECh. 5 - Prob. 109ECh. 5 - Prob. 110ECh. 5 - Prob. 111ECh. 5 - Prob. 112AECh. 5 - Prob. 113AECh. 5 - Prob. 114AECh. 5 - Prob. 115AECh. 5 - Prob. 116AECh. 5 - Prob. 117AECh. 5 - Prob. 118AECh. 5 - A 2.747-g sample of manganese metal is reacted...Ch. 5 - Prob. 120AECh. 5 - At STP, 1.0 L Br2 reacts completely with 3.0 L F2...Ch. 5 - Prob. 122AECh. 5 - Prob. 123AECh. 5 - Prob. 124AECh. 5 - Prob. 125AECh. 5 - Prob. 126AECh. 5 - Prob. 127AECh. 5 - Prob. 128AECh. 5 - Prob. 129AECh. 5 - Prob. 130AECh. 5 - Prob. 131AECh. 5 - Prob. 132AECh. 5 - Prob. 133AECh. 5 - Prob. 134AECh. 5 - Prob. 135AECh. 5 - Prob. 136AECh. 5 - Prob. 137AECh. 5 - Prob. 138AECh. 5 - Prob. 139AECh. 5 - Prob. 140AECh. 5 - Prob. 141AECh. 5 - Prob. 142AECh. 5 - Prob. 143AECh. 5 - Prob. 144AECh. 5 - Prob. 145AECh. 5 - Prob. 146CPCh. 5 - A 16.0-g sample of methane (CH4) reacts with 64.0...Ch. 5 - You have two samples of helium gas at the same...Ch. 5 - Prob. 149CPCh. 5 - Prob. 150CPCh. 5 - Prob. 151CPCh. 5 - Prob. 152CPCh. 5 - The density of a pure gaseous compound was...Ch. 5 - Prob. 154CPCh. 5 - The most probable velocity ump is the velocity...Ch. 5 - Derive Dalton’s law of partial pressures from the...Ch. 5 - One of the assumptions of the kinetic molecular...Ch. 5 - Prob. 158CPCh. 5 - A steel cylinder contains 5.00 moles of graphite...Ch. 5 - Prob. 160CPCh. 5 - Prob. 161CPCh. 5 - Prob. 162CPCh. 5 - Calculate the number of stages needed to change...Ch. 5 - Prob. 164CPCh. 5 - You have a helium balloon at 1.00 atm and 25°C....Ch. 5 - Prob. 166CPCh. 5 - Prob. 167MP
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