1. If the atmospheric pressure at the mesopause is 0.0050 kPa and the temperature is -92 °C, calculate the molar volume of an ideal gas under these conditions. 2. A 38.0 mL sample of hydrogen gas was collected by displacement of water. The temperature was 21.0 °C and the pressure of the wet sample was 648 mm Hg. (a) What is the partial pressure of the hydrogen gas in the sample? (b) What volume would the dry sample of hydrogen gas occupy at STP? 3. Ammonia, NH3, is another gas that can be easily prepared in the laboratory. Give reasons why this gas would not be a good choice for this experiment.
1. If the atmospheric pressure at the mesopause is 0.0050 kPa and the temperature is -92 °C, calculate the molar volume of an ideal gas under these conditions. 2. A 38.0 mL sample of hydrogen gas was collected by displacement of water. The temperature was 21.0 °C and the pressure of the wet sample was 648 mm Hg. (a) What is the partial pressure of the hydrogen gas in the sample? (b) What volume would the dry sample of hydrogen gas occupy at STP? 3. Ammonia, NH3, is another gas that can be easily prepared in the laboratory. Give reasons why this gas would not be a good choice for this experiment.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Experiment: determination of molar volume of gas at STP
Transcribed Image Text:1. If the atmospheric pressure at the mesopause is 0.0050 kPa and the
temperature is -92 °C, calculate the molar volume of an ideal gas under
these conditions.
2. A 38.0 mL sample of hydrogen gas was collected by displacement of
water. The temperature was 21.0 °C and the pressure of the wet sample
was 648 mm Hg.
(a) What is the partial pressure of the hydrogen gas in the sample?
(b) What volume would the dry sample of hydrogen gas occupy at STP?
3. Ammonia, NH3, is another gas that can be easily prepared in the
laboratory. Give reasons why this gas would not be a good choice for this
experiment.
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