phase: solid color: bluish-white metal hardness: relatively soft luster: exhibits a shine physical...
TRANSCRIPT
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Copper and zinc battery
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What Is Zinc(Zn)?
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Zinc is not an abundant element in
nature,Although zinc ores
are widely and abundantly distributed
throughout the world.
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Phase: SolidColor: Bluish-white
metalHardness:
Relatively softLuster: Exhibits a
shine
Physical Properties Of
Zinc:
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Chemical Properties Of Zinc:
Zinc is a fairly reactive metal that will combine with oxygen and other
non-metals.
Zinc metal tarnishes in moist air and burns in
air to form a white “Zinc Oxide”.
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Fun Facts About Zinc!
Zinc is in:Batteries
PaintsDeodorants
Wood Preservatives
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What is Copper(Cu)?
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Physical Properties of Copper:
Color: Reddish brownMalleability: Capable of being shaped or bended
Duct ability: easily pulled or stretched into thin
wireLuster: has a shine or
glowConductivity: excellent
transmission of heat and electricity
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Chemical Properties
Toxicity: poisonous in large amounts
-Softer than Iron but harder than zinc
-Copper absorbs moister and a green layer is formed on top of it. It is called "Patina”;this coating protects the metal
from being eroded.
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How does a copper and zinc battery work
First ever battery!
Battery I am building!
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Procedures to make the battery
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Supplies needed:
5 Zinc tabletsSulfuric acid
Zinc nailCopper stripOne beaker
Positive wire REDNegative wire
BLACKCopper sulfate
solution
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How to make the zinc sulfate solution.
Take the sulfuric acid and pour into a beaker.
Then take the zinc tablets and let them turn into a
powdery form in the water then take a stick and stir
the powder into the solution.
Then you have your zinc sulfate!
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How to make a copper sulfate solution
After you make the zinc sulfate, you want to take the copper sulfate crystals and pour or
drop in the crystals and let sit till there is a layer of sulfate.
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Sulfuric acid W/zinc tablets
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Zinc nail in with copper metal &
zinc sulfate solution.
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Copper sulfate crystals
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Trials
Trial 1: .55 volts
Trial 2: .33 volts
Trial 3: .96 volts
Trial 4: .93 volts
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QUESTION
WHY ARE TRIALS 1 & 2 DIFFERENT FROM
TRIALS 2 & 3?
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ANSWER
WITHOUT BOTH SULFATES THE ELECTODES DON’T MOVE AS FAST AS IF BOTH SULFATES (ELECTROLITE)
WERE IN THE SOLUTION WITH TRIALS 1 & 2
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Trials 3 & 4 with both sulfates in the sulfuric acid the electrodes move
faster. So the faster the electrodes go through both metals the higher
the voltage will be at first and as time goes by the anode (positive charge) in the battery starts to wear out and the cathode(negitive charge )builds
up and as the positive charge stars to wear down in the copper there is no
more positive charge in the battery so there is no current for the electrodes
two flow through.