Figure 2 shows the concentration of carbon dioxide in the atmosphere above Hawaii from 1960 to 2010 - Edexcel - GCSE Chemistry Combined Science - Question 2 - 2016 - Paper 1
Question 2
Figure 2 shows the concentration of carbon dioxide in the atmosphere above Hawaii from 1960 to 2010.
(i) Use the graph to calculate the increase in the volume of ca... show full transcript
Worked Solution & Example Answer:Figure 2 shows the concentration of carbon dioxide in the atmosphere above Hawaii from 1960 to 2010 - Edexcel - GCSE Chemistry Combined Science - Question 2 - 2016 - Paper 1
Step 1
Calculate the Carbon Dioxide Concentration in 1960
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Answer
From the graph in Figure 2, the concentration of carbon dioxide in 1960 is approximately 315 cm³ per m³.
Step 2
Calculate the Carbon Dioxide Concentration in 2010
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Answer
From the graph, the concentration of carbon dioxide in 2010 is approximately 390 cm³ per m³.
Step 3
Determine the Increase in Concentration
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Answer
To find the increase in concentration, subtract the 1960 value from the 2010 value:
390extcm3/extm3−315extcm3/extm3=75extcm3/extm3
Step 4
Conclude the Increase in Volume
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Answer
Thus, the increase in the volume of carbon dioxide in 1 m² of atmosphere from 1960 to 2010 is 75 cm³.
