Neco 2019 Physics Question 47

Practice objective / multiple choice question 47 from the 2019 Neco Physics examination.

Neco 2019 Physics Objective / Multiple Choice Medium Difficulty
Question 47 NECO • 2019 • PHYSICS • objective

A sealed rigid container of volume \(2.0\ \text{L}\) contains air at \(1.0\ \text{atm}\) and \(27^{\circ}\text{C}\). The gas is compressed isothermally until the pressure reaches \(3.5\ \text{atm}\). Then the container is heated at constant volume until the temperature becomes \(127^{\circ}\text{C}\).\n\n(a) What is the final pressure (in atm)?\n(b) What is the work done on the gas during the isothermal compression (in joules, to three significant figures)?

Answer Options

A. Final pressure = 1.48 atm, Work = 180 J
B. Final pressure = 4.67 atm, Work = 180 J
C. Final pressure = 3.48 atm, Work = 254 J
Correct Answer D. Final pressure = 4.67 atm, Work = 254 J
Correct Answer
D
Correct Option:
Final pressure = 4.67 atm, Work = 254 J

About This Question

This is Neco 2019 Physics Question 47. It is one of the objective questions from the 2019 Neco Physics examination.

Difficulty level: Medium .

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