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Author Question: .0 L of an ideal nitrogen gas (N2) are at 0.00C and 1.0 atm. The ideal gas constant is R = 8.314 ... (Read 54 times)

gbarreiro

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on: Jul 29, 2018
.0 L of an ideal nitrogen gas (N2) are at 0.00C and 1.0 atm. The ideal gas constant is R = 8.314 J/mol  K = 0.0821 L  atm/mol  K, Avogadro's number is 6.022  1023 molecules/mol, and the ATOMIC mass of nitrogen is 14 g/mol.
 
  (a) Determine the number of moles of N2.
  (b) How many molecules of N2 are present?
  (c) What is the mass of this gas?
  What will be an ideal response?

Question 2

A sealed 89- tank is filled with 6000 moles of oxygen gas (O2) at an initial temperature of 270 K.
 
  The gas is heated to a final temperature of 350 K. The ATOMIC mass of oxygen is 16.0 g/mol, and the ideal gas constant is R = 8.314 J/mol  K = 0.0821 L  atm/mol  K. The initial pressure of the gas is closest to
  A) 0.15 MPa.
  B) 0.17 MPa.
  C) 0.19 MPa.
  D) 0.13 MPa.
  E) 0.11 MPa.


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tkempin

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: (a) 0.089 mol (b) 5.4  1023 molecules (c) 2.5 g

Answer to Question 2

Answer: A


gbarreiro

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Reply 2 on: Jul 29, 2018
:D TYSM

rachel

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Reply 3 on: Yesterday
Excellent

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