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Electrochemistry Basics

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Questions and Answers

What is the purpose of a salt bridge in a galvanic cell?

To increase the voltage of the cell

To maintain charge balance and complete the circuit (correct)

To act as an electrode

To prevent the flow of ions

What does electrode potential refer to in a galvanic cell?

The resistance of the electrode

The concentration of electrolyte solution

The tendency of an electrode to undergo oxidation or reduction (correct)

The weight of the electrode

What defines the standard electrode potential (E0) of an electrode?

The pressure in the electrolyte solution

The volume of the electrolyte solution

Electrode potential relative to a standard hydrogen electrode under standard conditions (correct)

The temperature of the electrolyte solution

What is the purpose of the metallic conductor in each compartment of a galvanic cell?

To act as an electrode Signup and view all the answers

What type of reaction results in the conversion of chemical energy into electrical energy in electrochemistry?

Redox reaction Signup and view all the answers

What is the role of the half cells in a galvanic cell?

To complete the circuit Signup and view all the answers

Why is the electrochemical series established?

To compare the potentials of various electrodes with standard hydrogen electrodes Signup and view all the answers

In which type of electrochemical cell can chemical energy be converted into electrical energy?

Galvanic cell Signup and view all the answers

What is the main function of an electrochemical cell?

Convert chemical energy into electrical energy Signup and view all the answers

What kind of reactions can occur in galvanic cells?

Redox reactions Signup and view all the answers

Which term is used to describe charge transfer that occurs between different chemical species in electrochemistry?

Heterogeneous reaction Signup and view all the answers

What is the reverse process that can occur in electrochemistry by supplying electricity?

Decomposition reaction Signup and view all the answers