Water is more viscous than acetone because water has stronger intermolecular forces between its molecules.

TRUE

FALSE

2 points Save Answer

QUESTION 2

If you can smell your grandmother’s perfume from across the room, you are experiencing the result of which liquid property?

viscosity

surface tension

cleavage planes

volatility

3 points Save Answer

QUESTION 3

In general, molecular crystals are much softer than ionic crystals.

TRUE

FALSE

2 points Save Answer

QUESTION 4

Ionic crystals are extremely malleable because they contain a positively charged metal ion,

TRUE

FALSE

2 points Save Answer

QUESTION 5

Which of the following solids would be the most brittle?

H2O

SiO2

SF6

CH4

3 points Save Answer

QUESTION 6

Which of the following solids would possess the lowest melting point?

C25H52

Zn

CaCl2

CuO

3 points Save Answer

QUESTION 7

The following is an example of an orthorhombic crystal system.

Imported Asset

TRUE

FALSE

2 points Save Answer

QUESTION 8

The following is an example of

Imported Asset

body-centered cubic

face-centered cubic

simple cubic

complex cubic

3 points Save Answer

QUESTION 9

The following is an example of:

Imported Asset

body-centered cubic

face-centered cubic

simple cubic

complex cubic

3 points Save Answer

QUESTION 10

Amorphous solids have a specific shape, whereas crystalline solids do not.

TRUE

FALSE

2 points Save Answer

QUESTION 11

Table salt, NaCl, is an example of an amorphous solid.

TRUE

FALSE

QUESTION 12

(See attachment)

QUESTION 1

An increase in temperature can disturb the liquid-vapor equilibrium.

TRUE

FALSE

2 points Save Answer

QUESTION 2

If thermal energy is added to a bottle of water, the pressure exerted by the water vapor and trapped air in the bottle will increase.

TRUE

FALSE

2 points Save Answer

QUESTION 3

You have two bottles of water. One bottle is left outside in the sun for two hours. The other is left in an air-conditioned room for the same amount of time. What would you expect to observe after the two hours?

The bottle left outside will have lower vapor pressure than the bottle from the room.

The bottle left outside will have the same vapor pressure as the bottle inside the room because they both contain water.

The bottle left outside will have higher vapor pressure than the bottle from the room.

No change to either bottle.

3 points Save Answer

QUESTION 4

Jake left an unopened can of soda out on the football bleachers in the hot sun for half the day before he realized it. Upon realizing where his can of soda was, he went back to retrieve it and decided to drink it (he doesn’t mind warm soda anyways). One of Jake’s friends saw what he was trying to do and stopped him, telling him it would be safer to open the can after it has been sitting in the fridge for a while. Besides having a colder drink to quench his thirst, why did his friend recommend it was ‘safer’ to put it into the fridge until it cooled down? Please answer with a few questions explaining.

Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

Path: pWords:0

5 points Save Answer

QUESTION 5

A liquid boils when its vapor pressure equals the pressure of the atmosphere.

TRUE

FALSE

2 points Save Answer

QUESTION 6

While camping up at Haloooo Mountain (5,500 feet above sea level), it generally takes Sandy about the same amount of time to boil water for her soup as it takes to make a sandwich. This week, Sandy is camping at a trail that is only about 200 feet above sea level. Sandy is very hungry and wants something to eat immediately. Should she make the soup or sandwich? Which would be ready more quickly and why? Please answer with a few sentences explaining

Press Tab to enter the content editor. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

Path: pWords:0

5 points Save Answer

QUESTION 7

The process of gas converting to a liquid is called evaporation.

TRUE

FALSE

2 points Save Answer

QUESTION 8

Which of the following defines deposition?

Solid Imported Asset Gas

Solid Imported Asset Liquid

Liquid Imported Asset Solid

Gas Imported Asset Solid

3 points Save Answer

QUESTION 9

If a liquid spontaneously turns into a gas below the critical temperature, it has evaporated.

TRUE

FALSE

2 points Save Answer

QUESTION 10

Using the phase diagram for water, what phase is water at 0.01 degrees Celsius and 0.0060 atmospheres?

Imported Asset

I. Solid

II. Liquid

III. Gas

I only

I, II, and III

II and III only

I and II only

 

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