Chapter 10, Problem 13P

To determine

The level of alcohol is to be found in alcohol barometer at normal atmospheric pressure.

Answer to Problem 13P

The level of alcohol in alcohol barometer is $13.25m$

Explanation of Solution

Given info:

Atmospheric pressure, $P=1atm=1.013\times {10}^{5}Pa$

Density of alcohol, $\rho =780{\text{kg/m}}^{\text{3}}$

Formula used:

Pressure, $P=\rho gh$

Calculation:

Substituting values in formula of pressure,

  $\begin{array}{l}1.013\times {10}^5=(780)(9.8)(h)\\ h=\frac{1.013\times {10}^5}{(780)(9.8)}\\ h=13.25m\end{array}$

Conclusion:

The level of alcohol in alcohol barometer is $13.25m$