Structure, bonding and properties

A-Level: Chemistry

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Results:

Data collection : Experiment 1

Objective : To find the effects of a charged rod on liquid jets.

Liquid Observation
Water Some deflection occurred to the liquid after the charged rod being placed close to the liquid jet.Water was deflected towards the charged rod.
Ethanol Some deflection occurred to the liquid, but the deflect angle is less than the deflection of water above.Ethanol was deflected towards the charged rod.
Hexane Some deflection occurred to the liquid.Hexane was deflected towards the charged rod.

Table 1 : The observation of the effect of charged rod on liquid jets.
Discussion :

1. From the observation, I can deduce that charged rod really effects on the liquid jet of water, Ethanol and Hexane.
2. When the rod is rubbed, it is positively charged.So, deflection occurred when it is placed close to the liquid jets.All of the flows of the liquid jets was attracted to the charged rod.

Conclusion :

Charged rod really affect the flow of water, Ethanol and Hexane(liquid jets).The magnitude of deflection between the three liquids are different.
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