Question 4.4 (cont.)
Pressure
10
8
6
4
2
0
0
20
40
60
80
Temperature (°C)
(a) On the same graph, sketch a new line that would represent the relationship if the temperature were to increase by 20°C.
(b) Explain how you know this new line represents the relationship if the temperature were to increase by 20°C. [6 marks]
QUESTION 4 [14 marks]
A group of learners want to verify the relationship between temperature and
pressure of a gas using the experimental setup in the diagram below:
gas
Figure 3: Diagram of an experimental setup.
Source: Created with chemix.org.
Question 4.1 (3 marks]
ldentify, then state the law being investigated.
Question 4.2 [1 mark]
Write down the independent variable in this investigation.
Question 4.3 [1 mark]
Write down the dependent variable in this investigation.
Question 4.4
After conducting the experiment and obtaining accurate data, the learners
plotted the following graph from the results:
12
)
1 answer
1 answer