Calculate approximately the total translational kinetic energy of all the molecules in E. coli bacterium of mass 2.0 x 10-15kg at 37°C. Assume 70 percent of the cell, by weight, is water (molecular mass of 18.01528g/mol), and the other molecules have an average molec- ular mass on the order of 10°u.

Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter4: The Particle Nature Of Matter
Section4.3: The Bohr Atom
Problem 3E
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Exercise 02
Following similar conditions and assumptions as the previous exercise, estimate the max-
imum allowable pressure in a 38 – cm-long cathode ray tube if 98 percent of all electrons
must hit the screen without first striking an air molecule.
D.
General question
Exercise 01
Calculate approximately the total translational kinetic energy of all the molecules in E.
coli bacterium of mass 2.0 x 10-15kg at 37°C. Assume 70 percent of the cell, by weight, is
water (molecular mass of 18.01528g/mol), and the other molecules have an average molec-
ular mass on the order of 10°u.
121
Exercise 02
The temperature of an ideal gas is increased from 120°C to 290°C' while the volume and
the number of moles stay constant. By what factor does the pressure change? By what
factor does vrms change?
Transcribed Image Text:Exercise 02 Following similar conditions and assumptions as the previous exercise, estimate the max- imum allowable pressure in a 38 – cm-long cathode ray tube if 98 percent of all electrons must hit the screen without first striking an air molecule. D. General question Exercise 01 Calculate approximately the total translational kinetic energy of all the molecules in E. coli bacterium of mass 2.0 x 10-15kg at 37°C. Assume 70 percent of the cell, by weight, is water (molecular mass of 18.01528g/mol), and the other molecules have an average molec- ular mass on the order of 10°u. 121 Exercise 02 The temperature of an ideal gas is increased from 120°C to 290°C' while the volume and the number of moles stay constant. By what factor does the pressure change? By what factor does vrms change?
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