Brianna Cooper Brandon Boucher 2/16/12 Purpose: To understand how both voltaic and electrolytic cells function. Procedure: Refer to pages 34-36 of laboratory notebook for experimental details Results and Discussion: Voltaic Cell Reactions | | | Overall Cell Reaction | Observed Voltage | Theoretical Voltage | Cu2+(aq)+Zn(s) Cu(s)+Zn2+(aq) | 0.947 V | 1.10 V | Cu2+(aq)+Sn(s)Cu(s)+Sn2+(aq) | 0.571 V | 0.473 V | Cu2+(aq)+Fe(s) Cu(s)+Fe2+(aq) | 0.512 V | 0.777 V | Cu2+(aq)+Mg(s) Cu(s)+Mg2+(aq)
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If the electrolyte solution is highly concentrated‚ then the amperage productions will also increase and vice versa. In a galvanic cell‚ the amperage is generated from flows of electrons between the two metals in the metal sulfate solution of the electrolyte. In order for a chemical reaction to take place‚ the reactants must collide. The collision between the molecules in a chemical reaction provides the kinetic energy needed to break the necessary bonds so that new bonds can be formed. Thus‚ increasing
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bill was getting too high‚ so I tried to think of a solution. Then I read an article about how a Prius battery could power a house‚ and then I thought about how I could power a house using a rechargeable battery like is found in the Prius. Then I came across the Bedini Wheel‚ an energy producing machine that runs on magnets. I could combine the Bedini Wheel energy to charge a Prius rechargeable battery to power a house’s electrical needs and all the appliances throughout the house. That would take care
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distance‚ the speed and the hearth bits of the user during their activities. This new product is combination of shoes‚ treadmill‚ and the heartbeat rate indicator. The smart shoes are powered by a lithium battery‚ and have an internal LCD to showing heartbeat‚ distance‚ speed and charge of the battery. For more information please refer to product description. The estimated value for this new product is 350 USD. The problems that currently faced by the customers in the market are such as; the athletes
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Batteries come in many shapes and sizes. Some are no larger than a pill while others are heavy and huge size‚ but most batteries have one thing in common. They store chemical energy and change it into electrical energy. The cell is the basic unit producing electricity. A battery has 2 or more cells‚ but people often use the world battery when talking about a single cell‚ too‚ like a dry cell. One of the most popular batteries that have a cell is a dime sized battery which we use for watches. Cells
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HTC FUZE™ User Manual www.htc.com Please Read Before Proceeding THE BATTERY IS NOT CHARGED WHEN YOU TAKE IT OUT OF THE BOX. DO NOT REMOVE THE BATTERY PACK WHEN THE DEVICE IS CHARGING. YOUR WARRANTY IS INVALIDATED IF YOU OPEN OR TAMPER WITH THE DEVICE’S OUTER CASING. PRIVACY RESTRICTIONS Some countries require full disclosure of recorded telephone conversations‚ and stipulate that you must inform the person with whom you are speaking that the conversation is being recorded. Always obey
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Type: Hand in + First Hand Investigation Assessment Task Context The first battery or voltaic cell (later named a galvanic cell) was made by Alessandro Volta‚ his discoveries led to the first working batteries. Over time the chemistry and construction of a battery has been refined‚ and society has become more reliant on these efficient portable sources of electrical energy. With the positive benefits of batteries come many environmental problems. The role of chemists play an important role
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your car battery like a pro One of the simplest things you can do with your r car is changing the battery. There are several indicators to warn you that you should replace the vehicle battery. Although battery manufacturers will always claim the product will last for more than five years‚ normal car batteries will last for only two years. To evade problems with the car‚ it is advisable to change car after two and a half years. Some of these signs include: Indicators that the car battery needs to
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1 11/8/2006 Techniques of Polymerisation: 1) Bulk or Mass Polymerisation: Method: Pre-polymerisation stage. Monomer is in liquid state and initiator dissolved in monomer is taken in a vessel and heated initially to poln temp. by a hot jacket to initiate the reaction. Monomer is added with constant agitation/ stirring for effective heat and mass transfer. Polymerisation reaction involves extensive bond formation in homogenous system and is exothermic. (25 – 30% poln) Post poln stage :- As the
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buying a ton of batteries that barely work. For my science fair project I am going to test the 4 most popular brands of batteries in America‚ Duracell‚ Energizer‚ Rayovac‚ and a Alkaline battery named Enercell. The problem is that big battery brands run out quick and you feel like a fool‚ because you fell for their false advertising. So to accomplish this I am going to test different brand of batteries by using a battery conductor. The battery brand Energizer is the worst battery I ever saw. For
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