Galvanic Cells and Standard Electrode Potentials (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is electrochemistry?
What is electrochemistry?
Study of connections between chemistry
How do batteries generate electricity?
How do batteries generate electricity?
Through chemical reactions
What is an electric current?
What is an electric current?
Flow of electrons through a conductor
What must happen for a redox reaction to produce electricity?
What must happen for a redox reaction to produce electricity?
Oxidation & reduction must be separated
What is the function of the U-tube in the copper-silver cell?
What is the function of the U-tube in the copper-silver cell?
Provides electrical contact between solutions
What voltage does the silver wire measure relative to copper in the cell?
What voltage does the silver wire measure relative to copper in the cell?
Approximately 0.5 V positive
Which direction do electrons flow in the copper-silver cell?
Which direction do electrons flow in the copper-silver cell?
From copper strip to silver wire
What chemical change occurs at the copper strip over time?
What chemical change occurs at the copper strip over time?
The copper strip dissolves
What reaction occurs at the silver electrode?
What reaction occurs at the silver electrode?
Why does a galvanic cell produce electricity but a test tube reaction does not?
Why does a galvanic cell produce electricity but a test tube reaction does not?
The cell separates reactions forcing e⁻ flow