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No one can answer this question without actually seeing the "reaction below". Please show it to us. Hold your paper up to the computer screen. Don't hold it too close or it will block out the light and we won't be able to see it. So don't just tape it to the screen. Hold it about 6 inches away. Keep it there for an hour to allow plenty of time for a potential answerer to see it. If you don't have an answer by that time, repeat until you do, checking again every hour or so for an answer.
What else can I help you with?
How are standard electrode potentials determined for the half-cells listed in the Standard Reduction Potentials table?
Standard electrode potentials are determined through experiments where the half-cell reaction is coupled with a standard hydrogen electrode. By measuring the voltage generated, the standard electrode potential for the half-cell reaction can be calculated. The values in the Standard Reduction Potentials table are based on these experimental measurements.
Why alkali metals cannot be used in voltaic cells?
Alkali metals, like lithium, are highly reactive with water and moisture, which can lead to uncontrollable reactions in voltaic cells, causing safety hazards. Additionally, alkali metals have low melting points, making them unsuitable for use in high-temperature voltaic cell applications.
Why the standard potential of standard hydrogen electrode is taken as zero?
Because we can only measure relative potentials, so we need to designate some point as zero. Hydrogen is a pretty good choice, since that way we can tell whether a given substance will react with acids to liberate hydrogen or not just based on the sign of the half-cell potential.
How do you know the reaction to an aqueous solution problem?
To determine the reaction to an aqueous solution problem, you can start by identifying the reactants and considering their solubility in water. Next, apply the principles of the chemical equilibrium to predict whether a reaction will occur, based on factors like concentration and temperature. It's also essential to consider any potential products formed and whether they are soluble or will precipitate out of the solution. Finally, using stoichiometry and balancing the chemical equation can help clarify the overall reaction dynamics.
What is electro-chemical series?
It is a vertical series in which different electrodes/substances are arranged in the increasing order of their REPVs with the standard Hydrogen Electrodes (SHE) / Normal Hydrogen Electrode (NHE) in the middle of the series which is assigned an REPV of 0 voltage.Note- REPV stands for Standard Reduction Electrode Potential Values.
What is the difference between an e cell and an e0 cell in electrochemistry?
An E cell is the actual cell potential measured during a chemical reaction, while E cell is the standard cell potential under specific conditions. E cell can vary based on the reaction conditions, while E cell is a constant value for a specific reaction at standard conditions.
How are standard electrode potentials determined for the half-cells listed in the Standard Reduction Potentials table?
Standard electrode potentials are determined through experiments where the half-cell reaction is coupled with a standard hydrogen electrode. By measuring the voltage generated, the standard electrode potential for the half-cell reaction can be calculated. The values in the Standard Reduction Potentials table are based on these experimental measurements.
Why is it correct to classify the fuel cell that you have costructed as a voltaic cell?
A fuel cell operates based on the same principle as a voltaic cell; it generates electricity through a chemical reaction. In a fuel cell, chemical energy from the fuel is directly converted to electrical energy without combustion, making it similar to a voltaic cell that uses redox reactions to generate electrical energy. Therefore, it is correct to classify a fuel cell as a type of voltaic cell.
What do is used today that is based on volta's 'voltaic pile'?
The modern battery is based on Volta's invention of the voltaic pile. The voltaic pile paved the way for the development of more efficient and portable energy storage solutions that we use in everyday devices such as smartphones, laptops, and electric vehicles.
Why alkali metals cannot be used in voltaic cells?
Alkali metals, like lithium, are highly reactive with water and moisture, which can lead to uncontrollable reactions in voltaic cells, causing safety hazards. Additionally, alkali metals have low melting points, making them unsuitable for use in high-temperature voltaic cell applications.
How does the H reaction relate to the Hf of molecules involved in a reaction?
Hreaction = Hf products - Hf reactants
Why the standard potential of standard hydrogen electrode is taken as zero?
Because we can only measure relative potentials, so we need to designate some point as zero. Hydrogen is a pretty good choice, since that way we can tell whether a given substance will react with acids to liberate hydrogen or not just based on the sign of the half-cell potential.
How should the values found using the zinc electrode as a standard compare with those based on the standard hydrogen electrode?
Perhaps a rephrasing of the question would help; I've never seen a hydrogen electrode so I don't know how it compares to zinc. The process being done would probably also help (are you electroplating or separating oxygen from hydrogen or ...?), as would the solution the electrodes are immersed in (does the solution react with zinc at room temperature, is it being used in a gas, ...?)
How do you calculate change in potential energy?
more often than not, potential energy is calculated, not measured, based on which means of energy conversion you are looking for. Potential energy released by falling is not the same as potential energy of a nuclear reaction, although the same object can do both
What is the maximum amount of useful work that can be accomplished under standard conditions by this reaction when 4 mol of C2H2 is burned?
The maximum amount of useful work that can be accomplished by a reaction is given by the change in Gibbs free energy (ΔG) of the reaction. In the case of burning 4 mol of C2H2, the ΔG can be calculated based on the reaction equation and the standard Gibbs free energy of formation data for the reactants and products involved.
What assumption is standard based performance based on?
Standard-based performance is based on the assumption that performance can be measured. It is difficult to objectively measure job performance in many positions.
How chemical potential energy works?
Chemical potential energy is a form of energy stored in the bonds of chemical compounds. When chemical reactions occur, this energy is either released or absorbed, depending on the reaction's outcome. It influences the direction and extent of chemical reactions based on the tendency of reactants to form products with lower potential energy.
