PRE-EXPERIMENTAL QUESTIONS 1. A sample of air is trapped in a J-tube. The atmospheric pressure on this particular day averaged out, over the duration of the experiment, to be 730.0 mm of Hg. The following data was obtained from the J-tube apparatus: Total Volume Hg (cm3) 10.30 9.50 8.20 6.40 5.15 Difference of Mercury Height( 0.0 61.5 187.0 444.0 716.0 (a) Calculate the average atmospheric pressure in kPa to 4 significant figures (760 mm Hg=101.325 kPa) (b) Using factor label method, convert 10.30 cm³ to m³ (c Using standard graph paper, plot the graph of total gas volume(VT) as a function of the total pressure (P) acting on the trapped mass of gas in the tube. Notice PT PATM+ PH Calculate the slope (K) of the curve found in (a)

PRE-EXPERIMENTAL QUESTIONS 1. A sample of air is trapped in a J-tube. The atmospheric pressure on this particular day averaged out, over the duration of the experiment, to be 730.0 mm of Hg. The following data was obtained from the J-tube apparatus: Total Volume Hg (cm3) 10.30 9.50 8.20 6.40 5.15 Difference of Mercury Height( 0.0 61.5 187.0 444.0 716.0 (a) Calculate the average atmospheric pressure in kPa to 4 significant figures (760 mm Hg=101.325 kPa) (b) Using factor label method, convert 10.30 cm³ to m³ (c Using standard graph paper, plot the graph of total gas volume(VT) as a function of the total pressure (P) acting on the trapped mass of gas in the tube. Notice PT PATM+ PH Calculate the slope (K) of the curve found in (a)

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter4: Introduction To Gases

Section: Chapter Questions

Problem 67E: The compression ratio in an automobile engine is the ratio of the gas pressure at the end of the...

See similar textbooks

Similar questions

How would the use of a volatile liquid affect the measurement of a gas using open-ended manometers vs. closed-end manometers?
perform stoichiometric ca1cu1uions for reactions involving gases as reactants or products.
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?
The gas in the discharge cell of a laser contains (in mole percent) 11% CO2, 5.3% N2, and 84% He. (a) What is the molar mass of this mixture? (b) Calculate the density of this gas mixture at 32C and 758 mm Hg. (c) What is the ratio of the density of this gas to that of air (MM=29.0g/mol)at the same conditions?
If 456 dm3 of krypton at 101 kPa and 21C is compressed into a 30.1-dm3 tank at the same temperature, what is the pressure of krypton in the tank?
5-107 If 60.0 g of NH3 occupies 35.1 L under a pressure of 77.2 in. Hg, what is the temperature of the gas, in °C?
Why is it necessary to use a nonvolatile liquid in a barometer or manometer?
A sample of a smoke stack emission was collected into a 1.25-L tank at 752 mm Hg and analyzed. The analysis showed 92% CO2, 3.6% NO, 1.2% SO2, and 4.1% H2O by mass. What is the partial pressure exerted by each gas?
Target check For each of the macroscopic charcateristics unique to the gas phase of matter described in section 4.1-a compressibility, b expandability, c low density, d may be mixed in a fixed volume, and e uniform, constant pressure on container walls-describe how a postulate of the kinetic molecular theory explains the reason for the characteristic.
The compression ratio in an automobile engine is the ratio of the gas pressure at the end of the compression stroke to the pressure in the beginning. Assume that compression occurs at constant temperature. The total volume of the cylinder in an automobile is 350 cm3, and the displacement the reduction in volume during the compression stroke is 309 cm3. What is the compression ratio in that engine?
Exhaled air contains 74.5% N2, 15.7% O2, 3.6% CO2, and 6.2% H2O (mole percent). (a) Calculate the molar mass of exhaled air. (b) Calculate the density of exhaled air at 37C and 757 mm Hg and compare the value you obtained with that of ordinary air (MM=29.0g/mol) under the same conditions.
What is the ratio of the average kinetic energy of a SO2 molecule to that of an O2 molecule in a mixture of two gases? What is the ratio of the root mean square speeds, urms, of the two gases?