50.) some assumptions from the kinetic molecular theory are listed below. Which

Question

50.) some assumptions from the kinetic molecular theory are listed below. Which one is most frequently cited to explain Charles law?
51.) what is the average speed(actually the root mean square speed) of a carbon monoxide molecule at 27degree celcius
52.) you are given two flasks of equal volume . One contains H2! At 0degree C and 1 atm while the other....
53.) if CO2 and NH3 are allowed to effuse through a porous membrane under identical comditions.....
54.) which of the noble gases should show the greatest deviationfrom the ideal gas law at high pressures?
50. Some assumptions from the kinetic molecular theory are listed below. Which one is most frequently cited to explain Charles' law? e average kinetic energy of gas particles is proportional to the elvin temperature. particles are elastic and total kinetic energy of the gas is constant. A gas consists of tiny in random straight line motion. D)The volume of the particles is negligible compared to the volume of the gas. 51. What is the average speed (actually the root mean-square speed) a carbon monoxide molecule at 27°C? A) 450 m/s 514 m/s D) 517 m/s 52. You are given two flasks of equal volume. One contains H2 at ooCand 1 atm while the other contains Co2 at a c and 2 atm. Which of the following quantities will be the same for both flasks? A) average molecular kinetic energy densit D) number of molecules present 53. If co2 and NH3 are allowed to effuse through a porous membrane under identical conditions, the rate of effusion for NH3 will be times that of CO2. A) 0.39 B) 0.62 C) 1.6 D) 2.6 54. Which of the noble gases should show the greatest deviation from the ideal gas law at high pressures? A) He D) All deviate equally. 55. Which of the following is the principal cause of global warming? A) acid rain B) air pollution. C) greenhouse effect D) ozone depletion 56. What is the frequency of a helium-neon laser light with a wavelength of 6328 nm? The speed of light is 3.00 x 108 m/s. A) 4.74 x 1014 s-1

Explanation / Answer

50)

A) The average kinetic energy of the gas particles is directly proportional to the kelvin temperature - Increase in temperature leads to the increase in average kinetic energy of the gaseous molecules. As a result of which the collision frequecy increases and hence volume of the gas increases, if the pressure and number of moles of the gas is kept constant . This is Charles law i.e.- Volume is directly proportional to temperature, when number of moles and pressure are constant.

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