An engineer is measuring the pressure of the gas inside a gas bottle. Fig. 5.1 shows the measuring device he is using, attached to the gas bottle.
(a(i))[3]
Calculate the pressure of the gas in the gas bottle.
(a(ii))[1]
State the name of the measuring device shown in Fig. 5.1.
(b(i))[2]
Describe how the gas exerts pressure on the cylinder. Use your ideas about molecules.
(b(ii))[2]
State and explain what happens to the gas pressure on the cylinder.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The left tube reads 60 mm Hg and the right tube reads 180 mm Hg” …