Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 89GQ

Nitrogen monoxide reacts with oxygen to give nitrogen dioxide:

2 NO(g) + O2(g) → 2 NO2(g)

  1. (a) Place the three gases in order of increasing rms speed at 298 K.
  2. (b) If you mix NO and O2 in the correct stoichiometric ratio and NO has a partial pressure of 150 mm Hg, what is the partial pressure of O2?
  3. (c) After reaction between NO and O2 is complete; what is the pressure of NO2 if the NO originally had a pressure of 150 mm Hg and O2 was added in the correct stoichiometric amount?

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The given gases reaction should be arranged in the order of increasing rms speed at given temperature and (O2) and (NO2) partial pressure should calculate and identified.

Concept introduction:    

The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles.

Root mean square velocity can be determined,

  μrms=(3RTM)1/2 (1)

  (gas constant)R=8.314JKmolM=Molarmass

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

Answer to Problem 89GQ

The increasing order of rms speed for given set of gases at given temperature is as follows, NO2 < O2 < NO    

Explanation of Solution

The expression used to calculate the rms speed is as follows,

  μrms=(3RTM)1/2

The rms speed for the NO2 molecule is

    μrms=(3RTM)1/2Molar massof NO2=46.0055g/mol=(3×8.314×29846.0055)1/2=12.577m/s

The rms speed for the O2 molecule is

  μrms=(3RTM)1/2=(3×8.314×29832.00)1/2=15.24m/s

The rms speed for the NO molecule is

  μrms=(3RTM)1/2=(3×8.314×29830.01)1/2=15.73m/s

According to the calculated data the increasing order for the rms speed value for given gases is NO2< O2 < NO.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The given gases reaction should be arranged in the order of increasing rms speed at given temperature and (O2) and (NO2) partial pressure should calculate and identified.

Concept introduction:   

The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles.

Root mean square velocity can be determined,

  μrms=(3RTM)1/2 (1)

  (gas constant)R=8.314JKmolM=Molarmass

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

Answer to Problem 89GQ

The partial pressure of oxygen (O2) has P(O2)=75 mm Hg    

Explanation of Solution

Analyzing for partial pressure of oxygen molecule (O2)

Let us consider the given the equation

  2NO(g)+O2(g)2NO2(g)ThepartialpressureofNO=150mmHgHerepartialpressure=partialtemprature×molefractionpartialpressure=150mmHg×12partialpressure=75mmHg

The partial pressure of oxygen molecule has P(O2)=75mmHg

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The given gases reaction should be arranged in the order of increasing rms speed at given temperature and (O2) and (NO2) partial pressure should calculate and identified.

Concept introduction:   

The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles.

Root mean square velocity can be determined,

  μrms=(3RTM)1/2 (1)

  (gas constant)R=8.314JKmolM=Molarmass

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

Partial pressure: The mixture of gases each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

Answer to Problem 89GQ

The partial pressure of product molecule (NO2) was P(NO2) = 150 mm Hg

Explanation of Solution

Analyzing for partial pressure of (NO2) molecule.

  2NO(g)+O2(g)2NO2(g)ThepartialpressureofNO2=150mmHgHerepartialpressure=partialtemprature×molefractionpartialpressure=150mmHg×11partialpressure=150mmHg

The partial pressure of (NO2) molecule has P(NO2)=150mmHg

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Chapter 10 Solutions

Chemistry & Chemical Reactivity

Ch. 10.6 - Prob. 10.11CYUCh. 10.7 - Prob. 10.12CYUCh. 10.8 - Prob. 1.1ACPCh. 10.8 - Prob. 1.2ACPCh. 10.8 - At sea level, atmospheric pressure is 1.00 atm....Ch. 10.8 - Prob. 2.2ACPCh. 10.8 - To stay aloft, a blimp must achieve neutral...Ch. 10.8 - Nitrogen gas is produced not only by NaN3...Ch. 10.8 - Prob. 3.2ACPCh. 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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