Neco 2024 Physics Question 7

Practice essay / theory question 7 from the 2024 Neco Physics examination. This question covers Pressure, Fluid statics, Ideal gas law .

Neco 2024 Physics Essay / Theory

Topics: Pressure Fluid statics Ideal gas law

Question 7 NECO • 2024 • PHYSICS • essay

A gas is enclosed in a rigid container of volume 2.0 L. The container is connected to a U‑tube manometer that contains mercury (density 13 600 kg·m⁻³). The difference in mercury levels is 12.0 cm, with the left leg open to the atmosphere. The temperature of the gas is 27 °C and the atmospheric pressure is 101.3 kPa. The gas behaves as an ideal gas.

( a )

Determine the absolute pressure of the gas in the container in kPa.

( b )

Calculate the number of moles of gas present in the container.

( c )

If the gas is heated to 127 °C while the container remains rigid, what will be the new pressure (in kPa)? Assume no gas escapes.

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This is Neco 2024 Physics Question 7. It is one of the essay questions from the 2024 Neco Physics examination.

The question covers Pressure, Fluid statics, Ideal gas law .

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