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The density of gasoline is 7.30 \times 10^2 \; kg/m^3 at 0^{\circ}C. Its average coefficient of...

Question:

The density of gasoline is {eq}7.30 \times 10^2 \; kg/m^3 {/eq} at {eq}0^{\circ}C {/eq}. Its average coefficient of volume expansion is {eq}9.60 \times 10^{-4} \; C^{-1} {/eq}, and note that 1.00 gal = {eq}0.00380 \; m^3 {/eq}.

(a) Calculate the mass of 10.0 gal of gas at {eq}0^{\circ}C {/eq}.

(b) If {eq}1.000 \; m^3 {/eq} of gasoline at {eq}0^{\circ}C {/eq} is warmed by {eq}20.0^{\circ}C {/eq}, calculate its new volume.

(c) Using the answer to part (b), calculate the density of gasoline at {eq}20.0^{\circ}C {/eq}.

(d) Calculate the mass of 10.0 gal of gas at {eq}20.0^{\circ}C {/eq}.

(e) How many extra kilograms of gasoline would you get if you bought 10.0 gal of gasoline at {eq}0^{\circ}C {/eq} rather than at {eq}20.0^{\circ}C {/eq} from a pump that is not temperature compensated?

Density:

The density of material gives the amount of matter per unit volume. It changes significantly with temperature for gas substances because, with increasing temperature, the volume of the gas substances increases considerably.

Answer and Explanation: 1

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Given Data:


  • The density of gasoline at {eq}{0^ \circ }{\rm{C}} {/eq} is {eq}{\rho _1} = 7.30 \times...

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Density of Liquids Lesson for Kids

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Chapter 7 / Lesson 11
47K

Learn about density, what density is, and what is meant by the density of liquids. Explore comparisons of different liquids and their densities to better understand how they interact, such as why oil and water do not mix.


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