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What must the electrodes of a cell have in order for it to produce a current?
The electrodes of a cell must be made of conductive materials to allow for the flow of electrons. One electrode must be a source of electrons (anode), while the other electrode must accept electrons (cathode) to complete the circuit and allow current to flow. Additionally, the electrodes must be immersed in an electrolyte that facilitates the movement of ions between the two electrodes.
In a cell what produces the charges that provide current?
Charges that provide current in a cell are produced by the chemical reactions that occur between the electrolytes and electrodes within the cell. These reactions create a flow of electrons, which is what we refer to as electric current.
What is the part of a cell where charges enter and exit?
The cell membrane is the part of a cell where charges (ions) enter and exits. It regulates the movement of ions in and out of the cell, maintaining the cell's internal environment and allowing for communication with the external environment.
What prevents charge build up in galvanic cell?
A salt bridge
What is an examples of an integrins?
Examples of integrins include α5β1, α4β7, and αVβ3. These are cell surface receptors that mediate cell adhesion to the extracellular matrix and play important roles in cell signaling and migration.
A simple electrochemical cell contains two electrodes?
In a simple electrochemical cell with two electrodes, one electrode acts as the anode (where oxidation occurs) and the other as the cathode (where reduction occurs). When the cell is connected in an external circuit, ions flow from the anode to the cathode, releasing electrons at the anode and accepting them at the cathode to complete the redox reaction.
What is the role of electrons in a voltaic cell?
a volcanic cell has electrodes and electrons flow through electrodes .
What is the value of the cell potential for a cell in which the electrodes are copper and sodium?
3.05
Does a simple electrochemical cells contain two electrodes?
Yes, a simple electrochemical cell consists of two electrodes, an anode and a cathode, which are immersed in an electrolyte solution. The anode is where oxidation occurs, releasing electrons, while the cathode is where reduction occurs, accepting electrons. This flow of electrons creates an electrical current.
What are the parts that make up a chemical cell?
The electrodes and the electrolyte are the main parts. The electrodes are the anode and the cathode.
Difference in a charge between two electrodes in a cell causes a ----between electrodes?
Potential difference.
What is polarization of simple cell?
Polarization of a simple cell refers to the separation of charges within the cell, creating a potential difference. This separation of charges is necessary for the cell to generate electrical energy through chemical reactions. The positive and negative electrodes of the cell become polarized due to the flow of ions during the reaction.
A voltaic cell is made of silver and gold electrodes What is the emf of this cell?
1.03 V
What two examples of technologies that have developed from more simple technologies?
Cell Phones and Computers
What is the anode of galvanic cell made with zinc and alumminum?
Two electrodes in electrolyte solutions
What are two types of batteries?
Batteries can be classified in two waysPrimary Cell- Primary cell is a battery that is designed to be used once after that it can't be recharged with electricity examples are - AAA Cell (carbon Zinc battery) used in wall clocks,wrist watches etc.Secondary cell- Secondary cell is a battery which can be recharged multiple times with electricity such batteries are- Ni-cad battery, Li-ion battery(used in mobile phones)lead acid battery -used for Back up in homes and office etc.
How the parts of a cell interact to produce a current?
In a electrochemical cell or a battery there are two electrodes and an electrolyte. Chemical reaction occurs between the electrodes and the electrolyte which causes one of the electrodes to be positively charged and the next one to be negatively charged. The differences between the two electrodes creates voltage. When the battery is now connected to a circuit it makes a current.
