Question

When to use log vs ln for nernst equation?

A) Use log when the temperature is given in Celsius, and ln when it's given in Kelvin.

B) Use log when the concentration is given in moles per liter (M), and ln when it's given in millimoles per liter (mM).

C) Use log when the concentration is given in millimoles per liter (mM), and ln when it's given in moles per liter (M).

D) Both log and ln can be used interchangeably in the Nernst equation.

Answer 1

The choice between using log or ln in the Nernst equation depends on the units of temperature and concentration.

Step-by-step explanation:

The Nernst equation is used to calculate the cell potential of a redox reaction under non-standard conditions. When using the Nernst equation, the choice between using logarithm (log) or natural logarithm (ln) depends on the units of temperature and concentration.

If the temperature is given in Celsius, you should use logarithm (log). If the temperature is given in Kelvin, you should use natural logarithm (ln). This is because the conversion factor for temperature in the Nernst equation is different for Celsius and Kelvin.

When the concentration is given in moles per liter (M), you should use logarithm (log). When the concentration is given in millimoles per liter (mM), you should use natural logarithm (ln). This is because the conversion factor for concentration in the Nernst equation is different for moles per liter (M) and millimoles per liter (mM).