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The density of ammonia gas under certain conditions 0.795 g/L. Calculate its density in g/cm^3....

Question:

The density of ammonia gas under certain conditions 0.795 g/L. Calculate its density in g/cm^3.

......g/cm^3

Dimensional analysis:

Dimensional analysis is a technique to convert a measurement from one of its units to another. One unit of measurement can be multiplied by a series of fractions that are essentially the same measurement, just in different units. For example:

{eq}1\ m = 100\ cm {/eq}

By multiplying the fraction:

{eq}\large \frac{100\ cm}{1\ m} {/eq}

to one meter, one can obtain:

{eq}\begin{equation} 1\ m \end{equation} {/eq}{eq}\large \begin{equation} (\frac{100\ cm}{1\ m}) \end{equation} {/eq}

Here, the {eq}1\ m {/eq} quantity can be cancelled out. This will then leave only the measurement in terms of the particular converted quantity in the equation.

Answer and Explanation:

Given:

  • {eq}\displaystyle \rho =0.795\ g/L {/eq}

To determine the density in the specified units, we can use dimensional analysis. That is, for one...

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Unit Conversion and Dimensional Analysis

from Chemistry 101: General Chemistry

Chapter 1 / Lesson 2
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