Purpose: To understand how single displacement and double displacement theories
apply to real life situations.
Procedure: See Pg. 244-245.
Observations:
Experiment Results a)sodium chloride +
silver nitrate milky/blue/white later turned gray
b)silver nitrate +
potassium iodide white/yellow(clear well) blue/green(black well)
c)iron(III) chloride +
sodium hydroxide Apple Juice Yellow
d)sodium chloride + potassium nitrate No visible change
e)sodium carbonate + calcium chloride Turned Milky
Conclusion:
Analysis
a-e) See table under Observations.
g) Evidence was shown in the experiment through the colour change in the
solutions. All the solutions except Solution D reacted.
h) Errors could be caused by mixing up unlabelled breakers, overfilling the
wells, and otherwise contaminating the solutions so their results were not
accurate.
i) It\'s possible that Solution D reacted to such a small magnitude, that it
was not visible. Therefore, I cannot conclude that it did not react.
Understanding Concepts
1.a) A double displacement reaction is when two molecules on each side of the
equation switch places in a chemical reaction.
b) A single displacement reaction is when one molecule on each side of the
equation switch places in a chemical reaction.
2. See table under Observations.
3-5. a) NaCl + AuNO3 --> NaNO3 + AuCl
b) AuNO3 + KI --> AuI + KNO3
c) Fe3Cl + NaOH --> Fe3OH + NaCl
d) NaCl + KNO3 --> NaNO3 + KCl
e) NaCO3 + CaCl --> CaCO3 + NaCl