What is the root-mean-square speed of an oxygen molecule at a temperature of 292 K ? Tempiates Symbols undo rego teset keyboard shortcuts Help Vrms= m/s Submit Request Answer Part B What is its average translational kinetic energy at that speed? Templates Symbols undo regio feset keyboard shortcuts help Kay = J

What is the root-mean-square speed of an oxygen molecule at a temperature of 292 K ? Tempiates Symbols undo rego teset keyboard shortcuts Help Vrms= m/s Submit Request Answer Part B What is its average translational kinetic energy at that speed? Templates Symbols undo regio feset keyboard shortcuts help Kay = J

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter10: Thermal Physics

Section: Chapter Questions

Problem 33P: (a) An ideal gas occupies a volume of 1.0 cm3 at 20.C and atmospheric pressure. Determine the number...

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A cylinder contains a mixture of helium and argon gas in equilibrium at 150C. (a) What is the average kinetic energy for each type of gas molecule? (b) What is the rms speed of each type of molecule?
Which of the assumptions below is not made in the kinetic theory of gases? (a) The number of molecules is very large. (b) The molecules obey Newtons laws of motion. (c) The forces between molecules are long range. (d) The gas is a pure substance. (e) The average separation between molecules is large compared to their dimensions. (f) of (his account are correct statements necessary for a clear and complete explanation? (ii) Which are correct statements that are not necessary to account for the higher thermometer reading? (iii) Which are incorrect statements?
(a) An ideal gas occupies a volume of 1.0 cm3 at 20.C and atmospheric pressure. Determine the number of molecules of gas in the container, (b) If the pressure of the 1.0-cm3 volume is reduced to 1.0 1011 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container?
(a) Show that the density of an ideal gas occupying a volume V is given by = PM/KT, where M is the molar mass. (b) Determine the density of oxygen gas at atmospheric pressure and 20.0C.
(a) What is me vapor pressure of water at 20.0C ? (b) What percentage of atmospheric pressure does this correspond to? (c) What percent of 20.0C air is water vapor if it has 100% relative humidity? (The density of dry air at 20.0C is 1.20kg/m3 .)
In the text, it was shown that N/V=2.681025m3 for gas at STP. (a) Show that this quantity is equivalent to N/V=2.681019cm3, as stated. (b) About how many atoms are mere in one m3 (a cubic micrometer) at STP? (c) What does your answer to part (b) imply about the separation of Mama and molecules?
TI The mean free path of a molecule in a gas is 310 nm What is the mean free path if the gas temperature is tripled at constant volume? Express your answer with the appropriate units. λ = Submit Part B · HA Value Request Answer Units ? What is the mean free path if the gas temperature is tripled at constant pressure? Express your answer with the appropriate units.
Let n be the number of moles, R be the ideal gas constant, T be the absolute temperature, P be the absolute pressure and V be the volume. Which of the following statements is true for ideal gases? A. Tx for constant n, p and V 1 C. T x - for constant n and V R 1 B. Tx - for constant p and V D. Tx V for constant p and n
8 of 13 I Review I Constants Oxygen (O2) has a molar mass of 32.0 g/mol . Part A What is the root-mean-square speed of an oxygen molecule at a temperature of 293 K ? Express your answer in meters per second. ΑΣφ ? Vrms Submit Request Answer Part B What is its average translational kinetic energy at that speed? Express your answer in joules.
Helium atoms have a mass of 4u and oxygen molecules have a mass of 32u, where u is defined as an atomic mass unit (u=1.660540×10−27 kg). Compare a gas of helium atoms to a gas of oxygen molecules. Part A: At what gas temperature TE would the average translational kinetic energy of a helium atom be equal to that of an oxygen molecule in a gas of temperature 300 K? Part B: At what gas temperature Trms would the root-mean-square (rms) speed of a helium atom be equal to that of an oxygen molecule in a gas at 300 K?
Suppose that the average speed (vme) of carbon dioxide molecules (molar mass 44.0 g/mol) in a flame is found to be 2.16 x 10° m/s. What temperature does this represent? 1.67e6 The number of grams per mole is numerically the same as the value measured in atomic mass units. How is the root mean square speed related to the temperature of a gas?K Additional Materials O Reading
a) Estimate the average spacing between the molecules of 1 mol of an ideal gas at a pressure of 1atm and a temperature of 300 K. b) 1 mol of liquid water occupies a volume of 18 cm. Estimate the spacing between molecules. c) Use your result from part (a) to estimate the diameter of a water molecule. d) Estimate the factor by which water expands when it boils