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Why do electrolysis of brine need inert electrodes?
Electrolysis of brine requires inert electrodes, such as platinum or graphite, to prevent the electrodes from reacting with the products of the electrolysis. Using inert electrodes ensures that the reactions at the electrodes are solely due to the electrolysis of the brine solution and do not introduce impurities or alter the chemical composition of the products.
Why do the positive electrodes have to he replaced frequently?
Positive electrodes in batteries often need to be replaced frequently due to degradation caused by chemical reactions during charge and discharge cycles. Over time, materials can become unstable, leading to reduced capacity and efficiency. Additionally, the buildup of byproducts and loss of active material can hinder performance. Frequent replacement helps maintain optimal battery function and longevity.
Type of electrodes used to electrically stimulate the brain?
Common types of electrodes used for electrical brain stimulation include intracranial electrodes (such as depth electrodes or grids), subdural electrodes, and transcranial electrodes. These electrodes are used in techniques like deep brain stimulation (DBS), electrocorticography (ECoG), and transcranial direct current stimulation (tDCS) to modify neural activity for therapeutic or research purposes.
Is electrode and conductor same?
No. Electrodes are the positive and negative terminals in and open circuit. A conductor is a substance that an electric current will pass through. Electrodes are usually made of a conductor.
What are the properties of earth electrodes?
Earth electrodes have low resistance to earth, provide a stable connection to the ground, and can dissipate fault currents safely. They also need to have good corrosion resistance to maintain their effectiveness over time.
Why do the positive electrodes need to replaced periodically?
Positive electrodes in batteries degrade over time due to chemical reactions during charging and discharging cycles. This degradation can cause a decrease in battery capacity and efficiency. Replacing the positive electrodes periodically helps maintain the battery's performance and improves its overall lifespan.
What the electrodes in the cochlear implant replace?
Electrodes placed inside the cochlear receive the decoded signals. The 22 electrodes allow a range of different pitches to be detected. The electrodes stimulate the hearing receptors.
How many electrodes does an EEG need?
Approximately 16-20 electrodes
How many electrodes does an Electroencephalography need?
Approximately 16-20 electrodes
Should I use the negative or positive cable to jump start the starter?
You don't, you connect to the battery from the battery of another car. Use the positive cable to connect the two positive electrodes and the negative to connect the two negative electrodes.
What elements are attracted to negative or positive electrodes?
Negative electrodes attract cations (positively charged ions) while positive electrodes attract anions (negatively charged ions). This is due to the principles of electrostatic attraction, where opposite charges attract each other.
What is a battery end called?
Electrodes... Positive (anode) and Negative (cathode) electrodes which are attached to the terminals. The electrodes provide the chemical energy which is converted to a flow of electrons. And the electrolyte, the electrolyte separates the electrodes but allows for the passages of electrons and ions for the electro-chemical reaction of the electrodes.
What is product formed after electrolysis at the positive and negative electrodes respectively?
The answer depends on what the electrolyte is!
The flow of current in electrodes is in which direction?
The ELECTRONS flow from the negative to the positive terminal. But it is considered that the electric current flows from the positive to the negative terminal.
If only positive electrodes are placed in the solution, do the positively charged particles necessarily move away from the electrodes(For example, putting only a 0.5V vs. Ag/AgCl electrode)?
Yes, if only positive electrodes (anodes) are placed in a solution, positively charged particles (cations) in the solution would generally move away from the electrodes. This movement occurs due to electrostatic attraction and repulsion forces. When a positive electrode is placed in a solution, it carries a positive charge. Cations in the solution, which are positively charged ions, are attracted to the negative charge of the electrode. As a result, cations migrate towards the positive electrode, moving away from the solution. It's important to note that the specific behavior of particles in a solution can depend on various factors, including the concentration of ions, the nature of the electrolyte, and the presence of other electrodes or external electrical fields. However, in general, if only positive electrodes are present, cations will tend to move away from them.
What to elements will sodium chloride split up into using positive and negative electrodes?
Sodium and chlorine
What polarity is required for the following electrodes E6010?
D C Reverse (Electrode Positive) is recommended.
