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By Rachel and Brian, core 6

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Acid Attack

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Acid attack a chemistry bill nye home demo

Acid Attack:A Chemistry Bill Nye Home Demo

by Rachel Murphy and Brian Greco, core 6


Acid attack

1. Purpose

To examine the effects of acidic substances’ reaction with non-acidic limestone chalk, modeling the effects of acid rain.

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Acid attack

2. Research

ammonia

solution

acid rain

urine

water

sea water

bleach

battery acid

black coffee

baking soda

soapy water

drain cleaner

lemon juice

vinegar

orange juice

CO2

CO2

CO2


Acid attack

3. Hypothesis

When submerged in the acidic liquids, the chalk will begin to disintegrate or completely dissolve.


Acid attack

4. Procedure


Acid attack

4. Experiment


Acid attack

4. Experiment Variation


Acid attack

6. Analysis

lemon juice

vinegar

lemon juice

•Chalk is calcium carbonate (CaC03)

• Vinegar/LJ react with chalk

• Erode to form calcium (Ca) and C02

vinegar


Acid attack

7. Conclusion

•When in the acidic liquids, the chalk began to disintegrate

• Even in water, some wearing away could be seen

• Vinegar and lemon juice are acids: 1 and 2 on the PH scale

• The process displayed in this experiment models acid rain

acid rain

lemon juice

vinegar


The end thank you for watching

The EndThank you for watching!

by Rachel Murphy and Brian Greco


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