Concept explainers
(a)
Interpretation:
Total pressure of mixture has to be determined.
Concept Introduction:
Dolton’s law of partial pressure gives relation between total pressure of mixture of gases and partial pressure of individual gases. The expression of relation can be represented as follows:
Here,
A and B are individual gases.
Mole fraction is a relation between moles of constituent and total moles of all constituent in mixture. The expression of relation can be represented as follows:
Here,
(a)
Answer to Problem 3C.4E
Partial pressure of
Explanation of Solution
The expression to calculate number of moles of
Substitute
The expression to calculate number of moles of
Substitute
The expression to calculate number of moles of
Substitute
Therefore, the mole fraction for
The expression to calculate total pressure form partial pressure nitrogen gas is as follows:
Here,
Substitute
(b)
Interpretation:
Volume of sample mixture has to be determined.
Concept Introduction:
An ideal gas contains a large number of randomly moving particles that are supposed to have perfectly elastic collisions among themselves. It is a theoretical concept. Gases that show perfect elastic collision are practically not possible. At higher
Here,
(b)
Answer to Problem 3C.4E
Volume of sample mixture is
Explanation of Solution
Total number of moles of sample can be calculated as follows:
The expression to calculate volume of sample is as follows:
Substitute
Want to see more full solutions like this?
Chapter 3 Solutions
Chemical Principles: The Quest for Insight
- Given that a sample of air is made up of nitrogen, oxygen, and argon in the mole fractions 0.78 N2, 0.21 O2, and 0.010 Ar, what is the density of air at standard temperature and pressure?arrow_forwardGiven that a sample of air is made up of nitrogen, oxygen, and argon in the mole fractions 0.78 N2, 0.21 O2, and 0.010 Ar, what is the density of air at standard temperature and pressure?arrow_forwardLithium metal of mass 20.0 g is dropped into a beaker of water, producing hydrogen gasand an aqueous lithium hydroxide solution.2 Li (s) + 2 H2O (l) → 2 LiOH (aq) + H2 (g)What volume of hydrogen gas is produced if the temperature is 30 oC and the pressure is125 kPa?arrow_forward
- Hydrogen gas is collected over water at an air pressure of 99.6 kPa and 25.0°C. What is the partial pressure of hydrogen in the container?arrow_forwardA vessel of volume 24.4 dm3 contains 1.0 mol H2 and 2.5 mol N2 at 298.15 K. Calculate (a) the mole fractions of each component, (b) their partial pressures, and (c) their total pressure.arrow_forwardElemental analysis of an organic liquid with a fishy odour gives the following elemental mass percentages: H 14.94 % C 71.22% N 13.84 %. Vaporization of 270 mg of an impure sample in a 150-mL bulb at 150oC gives a pressure of 435 torr. What is the molecular formula of the compound, and the % purity of the sample?arrow_forward
- The mole fraction of neon in dry air near sea level is 0.00001818, where the molar mass of neon is 20.183. The partial pressure of neon when the total atmospheric pressure (dry air) is 97.5 kPa is_____ kPa.arrow_forwardA 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the total pressure of this mixture in a cylinder is 2.5 atm, what is the partial pressure of each gas? STEP BY STEP WOULD BE APPRECIATEDarrow_forward
- Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning