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As it moves up it experiences low atmospheric pressure therefore the gas expands
johnmulu answered the question on February 6, 2017 at 09:00
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Date posted: February 6, 2017. Answers (1)
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State two factors that determine the pressure at a point in a liquid.
Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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In an experiment to demonstrate atmospheric pressure, a plastic bottle is partially filled with hot water and the bottle is then tightly corked. After some time the bottle starts to get deformed.
i) State the purpose of the hot water
ii) State the reason why the bottle gets deformed
iii) Explain your answer in (ii)
Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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State Pascal's Principle of transmission of pressure in fluids.
Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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The height of the mercury column in a barometer at a place is 64 cm. What would be the height of a column of paraffin in barometer at the same place?
(Density of paraffin = 8.0 X 102kgm-3)
Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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State ways of reducing surface tension in water.
Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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Date posted: February 6, 2017. Answers (1)
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A metal pin was observed to float on the surface of pure water. However the pin sank when a few drops of soap solution were carefully added to the water. Explain this observation
Date posted: February 6, 2017. Answers (1)
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State the reason why water spilled on a glass surface wets the surface.
Date posted: February 6, 2017. Answers (1)
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A butcher has a beam balance and masses 0.5 kg and 2 kg. How would he measure 1.5 kg of meat on the balance at once?
Date posted: February 6, 2017. Answers (1)
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Give reason why the weight of the body varies from place to place.
Date posted: February 6, 2017. Answers (1)