# Electrochem help

1. Jan 23, 2009

### Physics197

1. The problem statement, all variables and given/known data

State two reasons for the difference between the predicted voltage and the operating voltage of a voltaic cell.

2. Jan 23, 2009

### Physics197

Sorry, but nevermind

Read the previous page and it said the standard conditions for the reduction potential are:
25 degrees celcius
1M solution
1atm pressure

So obviously 2 of those result in the difference

3. Jan 23, 2009

### chemisttree

Don't forget the internal resistance of the cell....

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