# Problem: Why is the change in enthalpy usually easier to measure than the change in internal energy?

###### FREE Expert Solution

Change in Internal Energy:

$\overline{){\mathbf{∆}}{\mathbf{E}}{\mathbf{=}}{\mathbf{q}}{\mathbf{+}}{\mathbf{w}}}$

At constant pressure:

###### Problem Details

Why is the change in enthalpy usually easier to measure than the change in internal energy?