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A spontaneous redox reaction between two elements occurs when one element is oxidized (loses electrons) and another is reduced (gains electrons) without the need for external energy. This typically happens when the two elements have a significant difference in their standard reduction potentials, leading to a favorable energy change. The result is the formation of new products, often in the form of ions or compounds, along with the release of energy, such as heat or light. For example, the reaction between zinc and copper sulfate results in the spontaneous displacement of copper by zinc, producing zinc sulfate and copper metal.
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What forms a spontaneous redox reaction between two elements?
The element with the greater reduction potential is the one that is reduced.
How can one determine if a redox reaction will be non-spontaneous?
The reduction potential plus oxidation potential is negative.
Will form a spontanous redox reaction between two elements?
The element with the greater reduction potential is the one that is reduced.
What information do the reduction potentials of two element give about a redox reaction between those elements?
Which element will be oxidized and which will be reduced
An electrolytic cell is different from a voltaic cell because in an electrolytic cell?
In an electrolytic cell, an external power source is needed to drive a non-spontaneous redox reaction, while in a voltaic cell, the redox reaction is spontaneous and generates electric energy. In an electrolytic cell, the anode is positive and the cathode is negative, whereas in a voltaic cell, the anode is negative and the cathode is positive.
What forms a spontaneous redox reaction between two elements?
The element with the greater reduction potential is the one that is reduced.
What will form a spontaneous redox reaction between two elements?
The element with the greater reduction potential is the one that is reduced.
What information do the reduction potentials of two elements give about a redox reaction between those elements?
Which element will be oxidized and which will be reduced
Which best describes a galvanic cell a battery containing a non spontaneous reaction a battery containing an acid and a base a battery containing a spontaneous redox reaction a battery that requires?
spontaneous redox reaction
What must be the sign of the standard cell potential (cell) for a redox reaction to be spontaneous?
For a redox reaction to be spontaneous, the standard cell potential (cell) must be positive.
How can one identify a redox reaction?
A redox reaction can be identified by the transfer of electrons between reactants. Look for changes in oxidation states of elements involved in the reaction to determine if it is a redox reaction.
What can be said about a redox reaction that has a positive potential?
. The reaction will be spontaneous.
What property characterizes a spontaneous redox reaction?
A positive sum of the two half-reactions' standard potentials
What elements do redox reaction get?
oxidation
What information do the reduction potentials of two elements give a redox reaction between those elements?
Which element will be oxidized and which will be reduced
What redox conditions will produce a spontaneous reaction?
The sum of the voltages of the half-reactions is positive.
How can one determine if a redox reaction will be non-spontaneous?
The reduction potential plus oxidation potential is negative.
