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Physical Properties: Chapter 5 Processes and Process Variables Quiz

15 Questions

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Physical Properties: Chapter 5 Processes and Process Variables Quiz

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Questions and Answers

What is the formula for density?

$m/V$ (correct)

$m * V$

$V - m$

$V/m$

What is the relationship between substance density and its volume per unit mass?

Quadratically proportional

No relationship

Directly proportional

Inversely proportional (correct)

How does the density of liquids compare to that of solids?

Density of liquids is independent of intermolecular forces

Density of liquids is not related to temperature

Density of liquids is lower than that of solids (correct)

Density of liquids is always higher than that of solids

What happens to the density of water as the temperature increases?

First increases then decreases Signup and view all the answers

What is the relationship between substance density and temperature?

Directly proportional Signup and view all the answers

What does the specific volume of a substance represent?

The volume occupied by a unit mass of the substance Signup and view all the answers

What is the specific gravity of a substance?

The ratio of the density of the substance to the density of a reference substance Signup and view all the answers

How can you calculate the density of a substance if you are given its specific gravity?

Multiply the specific gravity by the reference density Signup and view all the answers

What is the most common reference substance used for solids and liquids in specific gravity calculations?

Water at 4.0℃ Signup and view all the answers

Which formula can be used to calculate the volume occupied by a substance?

$V = \frac{m}{\rho}$ Signup and view all the answers

What is the effect of temperature on liquid and solid densities according to the text?

Negligible Signup and view all the answers

Which statement best explains why mercury is used in temperature thermometers?

It has a negligible effect of temperature on its density Signup and view all the answers

What is the formula for mass flow rate?

$\Delta m/\Delta t$ Signup and view all the answers

How can you convert a known volumetric flow rate to mass flow rate?

Multiply by the density of the fluid Signup and view all the answers

What is the atomic mass of an element?

The mass of an atom on a scale that assigns 12C a mass of exactly 12 Signup and view all the answers