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17) The rms speed of the molecules in an ideal gas with molecular mass 32 u is 500 m/s. The temperature of the gas (in Kelvin scale) is: A) 116 B) 205 C) 284 D) 142 E) 323

17) The rms speed of the molecules in an ideal gas with molecular mass 32 u is 500 m/s. The temperature of the gas (in Kelvin scale) is: A) 116 B) 205 C) 284 D) 142 E) 323

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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physics, please solve question 17

2A baseball is thrown from center field to second base and its velocity changes from 25m/s to 20m/s If its mass is 150g, how much energy was lost due to air resistance (in J)? A) 9.4 B) 14.2 C) 8.3 D) 16.9 E) 6.2 9) A small object of mass m slides along the frictionless track in the figure, staring from rest at point A. What is its speed (in m/s) at point B? A) 10.8 B) 7.7 C) 12.3 D) 16.9 E) 8.9 Sm B. 5m 10) A 2000kg car and a 1000kg car traveling at 50m/s in opposite directions collide head on and lock together. What are their speeds after the collision (in m/s)? A) 9.4 В) 16.7 C) 14.3 D) 18.1 E) 20.0 11) A 800kg car moving at 15m/s hits a 1200kg parked car head on. How much mechanical energy is dissipated if collision is completely inelastic? A) 82000J B) 54000J C) 45000J D) 69000J E) 96000J 12) What is the mass of 0.7 mole of CO2 (in g)? A) 31 В) 7 C) 26 D) 18 E) 37 13) What is the volume of 8 moles of an ideal gas at p=3atm and T-42°C? A) 0.069m3 B) 0.021m C) 0.207m D) 0.05m3 E) 0.570m3 14) If a solute diffuses through water an average distance of 20cm in 2hours, what is its diffusion constant (in m'/s)? A) 2.8x106 В) бх104 С) 2.8х108 D) 0.6x106 E) 0.6x104 15) The work done by an ideal gas during on full cycle is 400 J. What is the change in internal energy? A) -400 J B) zero C) 200 J D) 400 J E) -200 J 16) A gas undergoes a series of pressure and volume changes as shown in figure below. How much work is done by the gas along the path abc (in J) ? P (atm) 4. 2 A) 1.63x10 B) 2.8x10 V (m³) 0.3 C) 1.4x105 0.7 D) 1.24x105 E) 0.8x10 17) The rms speed of the molecules in an ideal gas with molecular mass 32 u is 500 m/s. The temperature of the gas (in Kelvin scale) is: A) 116 B) 205 C) 284 D) 142 E) 323
Transcribed Image Text:2A baseball is thrown from center field to second base and its velocity changes from 25m/s to 20m/s If its mass is 150g, how much energy was lost due to air resistance (in J)? A) 9.4 B) 14.2 C) 8.3 D) 16.9 E) 6.2 9) A small object of mass m slides along the frictionless track in the figure, staring from rest at point A. What is its speed (in m/s) at point B? A) 10.8 B) 7.7 C) 12.3 D) 16.9 E) 8.9 Sm B. 5m 10) A 2000kg car and a 1000kg car traveling at 50m/s in opposite directions collide head on and lock together. What are their speeds after the collision (in m/s)? A) 9.4 В) 16.7 C) 14.3 D) 18.1 E) 20.0 11) A 800kg car moving at 15m/s hits a 1200kg parked car head on. How much mechanical energy is dissipated if collision is completely inelastic? A) 82000J B) 54000J C) 45000J D) 69000J E) 96000J 12) What is the mass of 0.7 mole of CO2 (in g)? A) 31 В) 7 C) 26 D) 18 E) 37 13) What is the volume of 8 moles of an ideal gas at p=3atm and T-42°C? A) 0.069m3 B) 0.021m C) 0.207m D) 0.05m3 E) 0.570m3 14) If a solute diffuses through water an average distance of 20cm in 2hours, what is its diffusion constant (in m'/s)? A) 2.8x106 В) бх104 С) 2.8х108 D) 0.6x106 E) 0.6x104 15) The work done by an ideal gas during on full cycle is 400 J. What is the change in internal energy? A) -400 J B) zero C) 200 J D) 400 J E) -200 J 16) A gas undergoes a series of pressure and volume changes as shown in figure below. How much work is done by the gas along the path abc (in J) ? P (atm) 4. 2 A) 1.63x10 B) 2.8x10 V (m³) 0.3 C) 1.4x105 0.7 D) 1.24x105 E) 0.8x10 17) The rms speed of the molecules in an ideal gas with molecular mass 32 u is 500 m/s. The temperature of the gas (in Kelvin scale) is: A) 116 B) 205 C) 284 D) 142 E) 323
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