Question

(c) Fig. 4.2 shows a pressure-volume graph of a fixed mass of gas. pressure (kPa) 350 300 250 200 150 100 50 0 1 2 3 4 5 6 7 8 volume (m³) Fig. 4.2 (i) Under what condition must this experiment have been carried out? [1] Using Fig. 4.2, state what would be the (ii) volume of the gas when the pressure is 200 kPa [1] (iii) pressure when the volume is 3.5 m³. [1] (iv) Describe the relationship between pressure and volume. [1] (v) On Fig. 4.2, sketch the curve that would be obtained if the experiment was repeated at a higher temperature. [1] (vi) A bubble of gas rises from 80 m deep in a body of water to the surface. State what happens to the volume of the bubble as it rises. [1] TOTAL MARKS [10]

          (c) Fig. 4.2 shows a pressure-volume graph of a fixed mass of gas.

pressure (kPa)
350
300
250
200
150
100
50
0
1 2 3 4 5 6 7 8
volume (m³)

Fig. 4.2

(i) Under what condition must this experiment have been carried out?
[1]

Using Fig. 4.2, state what would be the

(ii) volume of the gas when the pressure is 200 kPa
[1]

(iii) pressure when the volume is 3.5 m³.
[1]

(iv) Describe the relationship between pressure and volume.
[1]

(v) On Fig. 4.2, sketch the curve that would be obtained if the experiment was repeated at a higher temperature. [1]

(vi) A bubble of gas rises from 80 m deep in a body of water to the surface.

State what happens to the volume of the bubble as it rises.
[1]

TOTAL MARKS [10]

(c) Fig. 4.2 shows a pressure-volume graph of a fixed mass of gas.

pressure (kPa)
350
300
250
200
150
100
50
0
1 2 3 4 5 6 7 8
volume (m³)

Fig. 4.2

(i) Under what condition must this experiment have been carried out?
[1]

Using Fig. 4.2, state what would be the

(ii) volume of the gas when the pressure is 200 kPa
[1]

(iii) pressure when the volume is 3.5 m³.
[1]

(iv) Describe the relationship between pressure and volume.
[1]

(v) On Fig. 4.2, sketch the curve that would be obtained if the experiment was repeated at a higher temperature. [1]

(vi) A bubble of gas rises from 80 m deep in a body of water to the surface.

State what happens to the volume of the bubble as it rises.
[1]

TOTAL MARKS [10]

Added by John M.

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