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Anode(:
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∙ 14y ago
Tom Dang
Anode
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What is always true during the operation of a voltaic cell?
The correct answer is Electrons flow away from the anode and also Oxidation occurs at the anode.
What would be the cathode in a magnesium and zinc galvanic cell?
In a galvanic cell, the less reactive metal is the cathode, where oxidation takes place. In this case the cathode is zinc.
What is the electrode where oxidation takes place?
A: at the anode in both an electrolytic cell and a voltaic cell
What are the main components in a voltaic cell?
Anode - the electrode at which oxidation occurs. Cathode - the electrode at which reduction occurs. Electrolytes - containing the ions involved in the redox reaction.
Would a galvanic cell work without a salt bridge?
The electrolyte of a commercial galvanic cell normally extends from anode to cathode without interruption by a salt bridge. A salt bridge is normally a teaching tool to help show that: 1. Galvanic half-cells do not produce voltage 2. Conductors and insulators are not necessarily salt bridges. An electrolyte must extend from anode to cathode before the galvanic cell can produce voltage. 3. The chemical composition of the salt bridge can differ from the electrolytes in the half cells. 4. Ions travel through the salt bridge between the cell's anode and cathode. Salt bridges raise more questions than answers. For example: 1. Can the difference between an electrolyte and a conductor be defined? 2. How do ions quickly move through a solid or a long electrolyte? 3. When salt bridge composition differs from the galvanic cell electrolyte(s), must the salt bridge chemically react with the galvanic cell electrolyte(s)? 4. Why does galvanic cell voltage remain nearly constant while anode to cathode distance doubles.
What is the negative electrode of a voltaic cell called?
This is the anode.
Name of one electrode and say is positive or negative?
The Cathode is the negative electrode; the anode is the positive electrode
In the electrolytic cell electron flows from?
Electron flow is from anode (+) to cathode (-)
Which electrode of a voltaic cell the cathode or the anode corresponds to the higher potential energy for the electrons?
Cathode
What happens at the anode and cathode of a dry cell?
Oxidation occurs at the anode ("an ox") and reduction occurs at the cathode ("red cat").See the Web Link to the left for the specific reaction in a dry cell.
What is an anolyte?
An anolyte is the portion of an electrolyte near an anode, especially in a cell in which the cathode and anode are in separate compartments.
What is always true during the operation of a voltaic cell?
The correct answer is Electrons flow away from the anode and also Oxidation occurs at the anode.
What are the 3 main parts of a fuel cell?
Anode ,cathode ,pef
I don't understand. What are anodes and cathodes Positive or Negative I keep seeing different answers everywhere Thanks.?
It can be complicated depending on the type of cell one is looking at. However, here is my simple explanation.The anode is the electrode where the oxidation reaction takes place, and oxidation is the loss of electrons, so in a galvanic cell the anode is a source of free electrons and so it is negatively charged.The cathode is the electrode where reduction takes place, and reduction is the gain of electrons, so in a galvanic cell the cathode is positively charge and ready to accept negatively charged electrons.Now, the anode isn't always negative and the cathode isn't always positive. It has to do with the direction of current flow (anode = current in, cathode = current out). In an electrolytic cell, the charges on the anode and the cathode are reversed from that seen in a galvanic cell.
How is the metal used in an anode different from the metal used in a cathode?
Anode is positive and cathode is negative. Cathode is the longest led frame. Anode is where the oxidation reaction takes place while cathode is where the reduction reaction takes place or in a galvanic corrosion the anode is the metal that corrodes while the cathode is protected.
What is meant by anode and cathode?
Anode is positive electrode which attracts the negative anions while cathode is the negative electrode which attracts the positive cations during electrolysis.
What is the sign convention for the cathode and anode in an electrolytic cell?
Anode is the positive electrode while cathode is the negative electrode. Negative ions(anions) travel towards the anode(hence the name) Positive ions(cations) travel towards the cathode(hence the name) Example for anode:Copper Example for cathode:Zinc
