Neco Model Questions Vol1 2021 Physics Question 3
Practice objective / multiple choice question 3 from the 2021 Neco Model Questions Vol1 Physics examination.
A sample of an ideal gas is contained in a cylinder fitted with a movable piston. The gas is kept at constant pressure. Initially the gas occupies a volume of \(2.0\ \text{L}\) at a temperature of \(300\ \text{K}\). After heating, the volume expands to \(3.5\ \text{L}\) and the gas absorbs \(5.0\times10^{5}\ \text{J}\) of heat. The molar heat capacity at constant pressure for the gas is \(C_{p}=29\ \text{J\,mol}^{-1}\text{K}^{-1}\). Determine the number of moles of gas present (to two significant figures).
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About This Question
This is Neco Model Questions Vol1 2021 Physics Question 3. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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