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After a long time of use, a cell reads 0.000 V on a… | StemPy Lab
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After a long time of use, a cell reads 0.000 V on a high-resistance voltmeter. What does this show?
Chemistry
Medium
High School (11–12)
Electrochemistry › Galvanic Cells, Electrode Potential and the Nernst Equation
Board Exam
AP
A-Level
IB
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StemPy Lab
After a long time of use, a cell reads
0.000
V
0.000\ \text{V}
0.000
V
on a high-resistance voltmeter. What does this show?
E
∘
E^\circ
E
∘
of the cell has fallen to zero
The two electrodes have become identical
The salt bridge has dried out
The reaction quotient has reached
K
K
K
and
Δ
G
=
0
\Delta G = 0
Δ
G
=
0
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← A Daniell cell has [Zn²⁺] = 1.0 mol/L and E° = 1.10 V. The copper ion is diluted to 0.0010 mol/L. What is the emf at 298 K?
Assertion (A): the emf of a cell does not change when the cell equation is written with every coefficient doubled. Reason (R): the emf is an intensive property. →
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Electrochemistry › Galvanic Cells, Electrode Potential and the Nernst Equation
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