Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 3PS
Indicate which represents the higher pressure in each of the following pairs:
- (a) 534 mm Hg or 0.754 bar
- (b) 534 mm Hg or 650 kPa
- (c) 1.34 bar or 934 kPa
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In A, the picture shows a cylinder with 0.1 mol of a gas that behaves ideally. Choose the cylinder (B, C, or D) that correctly represents the volume of the gas after each of the following changes. If none of the cylinders is correct, specify “none.”(a) P is doubled at fixed n and T.(b) T is reduced from 400 K to 200 K at fixed n and P.(c) T is increased from 100°C to 200°C at fixed n and P.(d) 0.1 mol of gas is added at fixed P and T.(e) 0.1 mol of gas is added and P is doubled at fixed T.
A gas mixture at room temperature contains 10.0 mol CO
and 12.5 mol 0,.
(a) Compute the mole fraction of CO in the mixture.
(b) The mixture is then heated, and the CÓ starts to react
with the O, to give CO2:
CO(g) + O2(g) –→ CO2(g)
At a certain point in the heating, 3.0 mol CO, is present.
Determine the mole fraction of CO in the new mixture.
EXERSICE 7
(A)
Let A and B be two ideal gases at the same temperature. If mÃ>m³ (where mÃ, m³ are the masses
of molecules of gases A and B, respectively) and EA, E, the average kinetic energies of the two
gases, choose the correct phrase, giving a justification.
(1) EA = EB
(ii) EA > EB
(iii) EA < EB
(iv) Data are insufficient to compare EA, EB.
Chapter 10 Solutions
Chemistry & Chemical Reactivity
Ch. 10.1 - At the summit of Mount Everest (altitude = 8848...Ch. 10.1 - Prob. 1RCCh. 10.1 - Prob. 2RCCh. 10.2 - A large balloon contains 65.0 L of helium gas at...Ch. 10.2 - Prob. 2CYUCh. 10.2 - You have a 22-L cylinder of helium at a pressure...Ch. 10.2 - Prob. 4CYUCh. 10.2 - Prob. 1RCCh. 10.2 - 2. The volume of a gas sample is 235 mL at a...Ch. 10.2 - Prob. 3RC
Ch. 10.3 - Prob. 1CYUCh. 10.3 - At 1.00 atm and 25 C, the density of dry air is...Ch. 10.3 - A 0.105-g sample of a gaseous compound has a...Ch. 10.3 - Which gas has the greatest density at 25 and 1.00...Ch. 10.3 - Prob. 2RCCh. 10.3 - Prob. 3RCCh. 10.4 - Prob. 1CYUCh. 10.4 - Diborane reacts with O2 to give boric oxide and...Ch. 10.4 - 2. If you mix 1.5 L of B2H6 with 4.0 L of O2, each...Ch. 10.5 - The halothane-oxygen mixture described in this...Ch. 10.5 - Prob. 1RCCh. 10.6 - Prob. 1CYUCh. 10.6 - What is the rms speed of chlorine molecules at...Ch. 10.6 - 2. The species identified with each curve in the...Ch. 10.7 - Prob. 1CYUCh. 10.7 - In Figure 10.17, ammonia gas and hydrogen chloride...Ch. 10.8 - Prob. 1RCCh. 10.8 - At sea level, atmospheric pressure is 1.00 atm....Ch. 10.8 - Prob. 2QCh. 10.8 - To stay aloft, a blimp must achieve neutral...Ch. 10 - Pressure (See Section 10.1 and Example 10.1.) The...Ch. 10 - The average barometric pressure at an altitude of...Ch. 10 - Indicate which represents the higher pressure in...Ch. 10 - Put the following in order of increasing pressure:...Ch. 10 - Prob. 5PSCh. 10 - Prob. 6PSCh. 10 - You have 3.5 L of NO at a temperature of 22.0 C....Ch. 10 - Prob. 8PSCh. 10 - Prob. 9PSCh. 10 - You have a sample of CO2 in flask A with a volume...Ch. 10 - You have a sample of gas in a flask with a volume...Ch. 10 - A sample of gas occupies 135 mL at 22.5 C; the...Ch. 10 - One of the cylinders of an automobile engine has a...Ch. 10 - A helium-filled balloon of the type used in...Ch. 10 - Nitrogen monoxide reacts with oxygen to give...Ch. 10 - Ethane bums in air to give H2O and CO2. 2 C2H6(g)...Ch. 10 - A 1.25-g sample of CO2 is contained in a 750.-mL...Ch. 10 - A balloon holds 30.0 kg of helium. What is the...Ch. 10 - A flask is first evacuated so that it contains no...Ch. 10 - Prob. 20PSCh. 10 - Prob. 21PSCh. 10 - Prob. 22PSCh. 10 - Forty miles above Earths surface, the temperature...Ch. 10 - Prob. 24PSCh. 10 - A gaseous organofluorine compound has a density of...Ch. 10 - Prob. 26PSCh. 10 - A 1 007-g sample of an unknown gas exerts a...Ch. 10 - A 0.0130-g sample of a gas with an empirical...Ch. 10 - A new boron hydride, BxHy, has been isolated. To...Ch. 10 - Acetaldehyde is a common liquid compound that...Ch. 10 - Iron reacts with hydrochloric acid to produce...Ch. 10 - Silane, SiH4, reacts with O2 to give silicon...Ch. 10 - Prob. 33PSCh. 10 - The hydrocarbon octane (C8H18) bums to give CO2...Ch. 10 - Prob. 35PSCh. 10 - A self-contained underwater breathing apparatus...Ch. 10 - What is the total pressure in atmospheres of a gas...Ch. 10 - A cylinder of compressed gas is labeled...Ch. 10 - A halothane-oxygen mixture (C2HBrCIF3 + O2) can be...Ch. 10 - A collapsed balloon is filled with He to a volume...Ch. 10 - You have two flasks of equal volume. Flask A...Ch. 10 - Equal masses of gaseous N2 and Ar are placed in...Ch. 10 - If the rms speed of an oxygen molecule is 4.28 ...Ch. 10 - Prob. 44PSCh. 10 - Place the following gases in order of increasing...Ch. 10 - Prob. 46PSCh. 10 - In each pair of gases below, tell which will...Ch. 10 - Prob. 48PSCh. 10 - Prob. 49PSCh. 10 - A sample of uranium fluoride is found to effuse at...Ch. 10 - Prob. 51PSCh. 10 - Prob. 52PSCh. 10 - In the text, it is stated that the pressure of...Ch. 10 - You want to store 165 g of CO2 gas in a 12.5-L...Ch. 10 - Consider a 5.00-L tank containing 325 g of H2O at...Ch. 10 - Consider a 5.00-L tank containing 375 g of Ar at a...Ch. 10 - Complete the following table:Ch. 10 - On combustion, 1.0 L of a gaseous compound of...Ch. 10 - You have a sample of helium gas at 33 C, and you...Ch. 10 - Prob. 60GQCh. 10 - Butyl mercaptan, C4H9SH, has a very bad odor and...Ch. 10 - Prob. 62GQCh. 10 - The temperature of the atmosphere on Mars can be...Ch. 10 - If you place 2.25 g of solid silicon in a 6.56-L...Ch. 10 - What volume (in liters) of O2, measured at...Ch. 10 - Nitroglycerin decomposes into four different gases...Ch. 10 - Ni(CO)4 can be made by reacting finely divided...Ch. 10 - Ethane bums in air to give H2O and CO2. 2 C2H6(g)...Ch. 10 - You have four gas samples: 1. 1.0 L of H2 at STP...Ch. 10 - Propane reacts with oxygen to give carbon dioxide...Ch. 10 - Iron carbonyl can be made by the direct reaction...Ch. 10 - Prob. 72GQCh. 10 - There are five compounds in the family of...Ch. 10 - A miniature volcano can be made in the laboratory...Ch. 10 - The density of air 20 km above Earths surface is...Ch. 10 - Prob. 76GQCh. 10 - Chlorine dioxide, ClO2, reacts with fluorine to...Ch. 10 - A xenon fluoride can be prepared by heating a...Ch. 10 - Prob. 79GQCh. 10 - Prob. 80GQCh. 10 - Prob. 81GQCh. 10 - Carbon dioxide, CO2, was shown lo effuse through a...Ch. 10 - Prob. 84GQCh. 10 - Prob. 85GQCh. 10 - Prob. 86GQCh. 10 - You are given 1.56 g of a mixture of KClO3 and...Ch. 10 - A study of climbers who reached the summit of...Ch. 10 - Nitrogen monoxide reacts with oxygen to give...Ch. 10 - Ammonia gas is synthesized by combining hydrogen...Ch. 10 - Nitrogen trifluoride is prepared by the reaction...Ch. 10 - Chlorine trifluoride, ClF3, is a valuable reagent...Ch. 10 - Prob. 93GQCh. 10 - Prob. 94GQCh. 10 - You have a 550.-mL tank of gas with a pressure of...Ch. 10 - Prob. 96ILCh. 10 - Prob. 97ILCh. 10 - Group 2A metal carbonates are decomposed to the...Ch. 10 - One way to synthesize diborane, B2H6, is the...Ch. 10 - You are given a solid mixture of NaNO2 and NaCl...Ch. 10 - You have 1.249 g of a mixture of NaHCO3 and...Ch. 10 - Prob. 102ILCh. 10 - Many nitrate salts can be decomposed by heating....Ch. 10 - You have a gas, one of the three known...Ch. 10 - Prob. 106ILCh. 10 - A 1.0-L flask contains 10.0 g each of O2 and CO2...Ch. 10 - If equal masses of O2 and N2 are placed in...Ch. 10 - You have two pressure-proof steel cylinders of...Ch. 10 - Prob. 110SCQCh. 10 - Prob. 111SCQCh. 10 - Each of four flasks is filled with a different...Ch. 10 - Prob. 113SCQCh. 10 - The sodium azide required for automobile air bags...Ch. 10 - Prob. 115SCQCh. 10 - Prob. 116SCQ
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