Calculating Voltage (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 the fundamental equation for calculating total voltage of a redox reaction?
What is the fundamental equation for calculating total voltage of a redox reaction?
How do you find the voltage for an oxidation half reaction from standard electrode potentials?
How do you find the voltage for an oxidation half reaction from standard electrode potentials?
Reverse the sign of the reduction potential
What happens to electrode potential when you double a half equation to balance electrons?
What happens to electrode potential when you double a half equation to balance electrons?
The potential value stays the same
What does a positive cell voltage indicate about a redox reaction?
What does a positive cell voltage indicate about a redox reaction?
The reaction is spontaneous as written
What does a negative calculated voltage tell you about the reaction direction?
What does a negative calculated voltage tell you about the reaction direction?
The reverse reaction is spontaneous
Which electrode becomes positive in a galvanic cell?
Which electrode becomes positive in a galvanic cell?
The one with higher electrode potential
What equation is used when you don't know which electrode is positive?
What equation is used when you don't know which electrode is positive?
A cell voltage of 1.62 V means the reduction electrode is how much more positive than the other?
A cell voltage of 1.62 V means the reduction electrode is how much more positive than the other?
1.62 V positive
In Investigation 12.2, which electrode is used as the reference?
In Investigation 12.2, which electrode is used as the reference?
Cu, Cu²⁺ electrode
What causes discrepancies between measured and tabulated electrode potential values?
What causes discrepancies between measured and tabulated electrode potential values?
Non-standard conditions