AL
Chemistry Experiment Report Sheet
Experiment
5: Measuring the Temperature Change on forming Solutions
Name:
______________________ ( ) Form
6 S
I. Precaution:
II. Data Analysis:
Results Table 5
|
Mixture |
TA / oC |
TB / oC |
T1 / oC |
T2 / oC |
DT / oC |
|
|
1. |
Trichloromethane and methyl ethanoate |
|
|
|
|
|
|
2. |
Ethanol and cyclohexane |
|
|
|
|
|
|
3. |
Propan-1-ol and propan-2-ol |
|
|
|
|
|
III. Questions:
1. State the sign
of DHmixÆ for each mixture.
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2. Which of the
three mixtures most closely approaches ideal
behaviour? Explain your answer.
3. Explain the
observed temperature change on mixing trichloromethane and methyl ethanoate in
terms of the interactions between the molecules.
IV. Discussion:
