QUESTION 2 A room is filled with an ideal gas at a temperature T= 407 K and pressure p = 2 atmospheres (abbreviated atm). The dime Use the ideal gas law pV = NkT to calculate the number of molecules in the room. The constant k is Boltzmann's constan item on Blackboard. Be careful to choose a value with the right set of units for this problem. %3D %3! Note that 1 atm = 1.013 x 10° Pa, where the SI unit for pressure is pascal (Pa), a N m (Newton, not number). Note that if you use SI units consistently, then your answer will be in terms of number of molecules, which is dimensionles Submit your numerical answer in exponential form as described in the worksheet instructions. %3! QUESTION 3 If the molecules in a gas are nitrogen (N2) molecules, calculate their root mean squared (RMS) speed, (v²), in m/s whi Hint: You will need to calculate the mass of the nitrogen molecule, which is its atomic mass number multiplied by the atom Write your answer in normal form as described in the instructions to the worksheet Click Save and Submit to save and submit. Click Save All Answers to save all answers. P Type here to search

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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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QUESTION 2
A room is filled with an ideal gas at a temperature T= 407 K and pressure p = 2 atmospheres (abbreviated atm). The dimensions of the room are 3 mx 2 mx 5 m.
Use the ideal gas law pV = NkT to calculate the number of molecules in the room. The constant k is Boltzmann's constant - if you do not know its value then look it up on Google or in the Constants menu
item on Blackboard. Be careful to choose a value with the right set of units for this problem.
Note that 1 atm = 1.013 x 10° Pa, where the Sl unit for pressure is pascal (Pa), a Nm2 (Newton, not number).
Note that if you use SI units consistently, then your answer will be in terms of number of molecules, which is dimensionless.
Submit your numerical answer in exponential form as described in the worksheet instructions,
QUESTION 3
If the molecules in a gas are nitrogen (N2) molecules, calculate their root mean squared (RMS) speed, y(), in m/s when T= 300 K. Do not include units in your answer.
Hint: You will need to calculate the mass of the nitrogen molecule, which is its atomic mass number multiplied by the atomic mass unit (1 amu = 1.66 x 102 kg).
Write your answer in normal form as described in the instructions to the worksheet
Click Save and Submit to save and submit. Click Save All Answers to save all answerS.
23°
P Type here to search
7
Transcribed Image Text:%2: QUESTION 2 A room is filled with an ideal gas at a temperature T= 407 K and pressure p = 2 atmospheres (abbreviated atm). The dimensions of the room are 3 mx 2 mx 5 m. Use the ideal gas law pV = NkT to calculate the number of molecules in the room. The constant k is Boltzmann's constant - if you do not know its value then look it up on Google or in the Constants menu item on Blackboard. Be careful to choose a value with the right set of units for this problem. Note that 1 atm = 1.013 x 10° Pa, where the Sl unit for pressure is pascal (Pa), a Nm2 (Newton, not number). Note that if you use SI units consistently, then your answer will be in terms of number of molecules, which is dimensionless. Submit your numerical answer in exponential form as described in the worksheet instructions, QUESTION 3 If the molecules in a gas are nitrogen (N2) molecules, calculate their root mean squared (RMS) speed, y(), in m/s when T= 300 K. Do not include units in your answer. Hint: You will need to calculate the mass of the nitrogen molecule, which is its atomic mass number multiplied by the atomic mass unit (1 amu = 1.66 x 102 kg). Write your answer in normal form as described in the instructions to the worksheet Click Save and Submit to save and submit. Click Save All Answers to save all answerS. 23° P Type here to search 7
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