CHAPTER 27: RATES OF REACTIONS 4 Study this graph and answer the questions that follow.
10 11 12
0 1 2 3 4 5 6 7 8 9
0 5 10 15 20 25 30 35 40 Vol of NaOH added (ml)
a. What is the dependent variable in this reaction? b. What interval is used on the x-axis? c. Are there any results that do not fit in with the rest? What are they?
45 50 55 60
d. What does the flat line in the graph tell us about the reaction?
e. What is the relationship between temperature and volume of NaOH in this reaction?
f. Suggest how the rate of reaction could have been slowed down.