{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

Which of the following compounds will dissolve in water? (select all that apply)

KBr (ionic)

CF$_4$ (nonpolar)

NH$_3$ (polar)

CO$_2$ (nonpolar)

1

Use the Solubility Curve to the right: How many more grams of KCl can dissolve in 100 grams of water at 80°C than at 10°C?

52 more grams

30 more grams

22 more grams

No more grams

1

If a saturated solution of KClO₃is cooled from 70°C to 30°C, how much solid is expected to fall out of the solution?

100 grams

52 grams

32 grams

20 grams

1

The solution shown in the beaker is well mixed and has been dissolving for days. It can be considered…
(Note: There are some dissolved particles floating around and some undissolved particles resting on the bottom)

Unsaturated

Saturated

Cannot be determined

1

The solubility of gases in liquids such as carbon dioxide in a soft drink...

increases with an increase in temperature.

decreases with an increase in temperature.

stays the same regardless of temperature.

gases are not soluble in liquids.

1

Which of the following are acidic? (check all that apply)

Drain cleaner

Lemon juice

HCl

soap

1

Baking soda (a base) and vinegar (an acid) are mixed together. What type of reaction is this?

A precipitation reaction

A pH reaction

An acid-dilution reaction

A neutralization reaction

1

Which of the following statements is FALSE about how acids affect our environment?

Acids affect biota (living things), like coral reef growth and soil/plant growth

Acids have no effect on metals and statues

Burning coal contributes to acid rain formation

Acids contribute to karst cave formations

1

At constant temperature and for a fixed mass, the volume of a gas will ________________ when the pressure increases.

increase

stay the same

decrease

disappear

1

What causes pressure in a gas?

Collisions between particles and other particles, as well as collisions between particles and the walls of the container

Only collisions between particles

Only collisions between particles and the walls of the container

Kinetic Theory

1

At constant pressure and for a fixed mass, the volume of a gas will ___________ when the temperature decreases.

decrease

increase

stay the same

explode

1

When one variable increases and the other variable decreases, this relationship is called:

Directly proportional

Inversely proportional

Oppositely proportional

Invariably proportional

1

Charles’ Law states that if you increase the temperature of a gas, the volume will: (assume Pressure remains constant)

Not change

Increase

Decrease

There is not enough information to tell

1

What happens to a sealed bag of potato chips when it is driven up a tall mountain? Assume temperature remains the same.

The bag deflates/shrinks because the pressure outside the bag has decreased

The bag inflates/gets bigger because the pressure outside the bag has decreased

The bag deflates/shrinks because the pressure outside the bag has increased

The bag inflates/gets bigger because the pressure outside the bag has increased

1

At a constant volume and mass, the pressure of a gas will ___________ when the temperature increases.

Stay the same

Increase

Decrease

Implode

1

Which of the following are electrolytes when dissolved in water?

CO₂

CaCl₂

CH₄

NaCl

1

Which of the following is true about electrolyte solutions?

They are made of pure electricity

They conduct electricity

They will electrocute you if touched

They contain no ionic compounds

Chemistry Unit 4: Solutions, Acids and Bases, Gas Laws

Chemistry Unit 4: Solutions, Acids and Bases, Gas Laws

Which of the following compounds will dissolve in water? (select all that apply)

Use the Solubility Curve to the right: How many more grams of KCl can dissolve in 100 grams of water at 80°C than at 10°C?

If a saturated solution of KClO3 is cooled from 70°C to 30°C, how much solid is expected to fall out of the solution?

The solution shown in the beaker is well mixed and has been dissolving for days. It can be considered…(Note: There are some dissolved particles floating around and some undissolved particles resting on the bottom)

The solubility of gases in liquids such as carbon dioxide in a soft drink...

Which of the following are acidic? (check all that apply)

Baking soda (a base) and vinegar (an acid) are mixed together. What type of reaction is this?

Which of the following statements is FALSE about how acids affect our environment?

At constant temperature and for a fixed mass, the volume of a gas will ________________ when the pressure increases.

What causes pressure in a gas?

At constant pressure and for a fixed mass, the volume of a gas will ___________ when the temperature decreases.

When one variable increases and the other variable decreases, this relationship is called:

Charles’ Law states that if you increase the temperature of a gas, the volume will: (assume Pressure remains constant)

What happens to a sealed bag of potato chips when it is driven up a tall mountain? Assume temperature remains the same.

At a constant volume and mass, the pressure of a gas will ___________ when the temperature increases.

Which of the following are electrolytes when dissolved in water?

Which of the following is true about electrolyte solutions?

Which of the following compounds will dissolve in water? (select all that apply)

Use the Solubility Curve to the right: How many more grams of KCl can dissolve in 100 grams of water at 80°C than at 10°C?

If a saturated solution of KClO3 is cooled from 70°C to 30°C, how much solid is expected to fall out of the solution?

The solution shown in the beaker is well mixed and has been dissolving for days. It can be considered…(Note: There are some dissolved particles floating around and some undissolved particles resting on the bottom)

The solubility of gases in liquids such as carbon dioxide in a soft drink...

Which of the following are acidic? (check all that apply)

Which of the following is true about bases?

A Bronsted-Lowry acid is defined as a substance that

You have two beakers containing acid solutions, labeled Beaker A and Beaker B. When you put a lightbulb probe into each solution, Beaker A produces a dim light while Beaker B produces a bright light. What can you conclude about the two acids?

What of the following is true about strong versus weak acids?

Baking soda (a base) and vinegar (an acid) are mixed together. What type of reaction is this?

Which of the following statements is FALSE about how acids affect our environment?

At constant temperature and for a fixed mass, the volume of a gas will ________________ when the pressure increases.

What causes pressure in a gas?

At constant pressure and for a fixed mass, the volume of a gas will ___________ when the temperature decreases.

When one variable increases and the other variable decreases, this relationship is called:

Charles’ Law states that if you increase the temperature of a gas, the volume will: (assume Pressure remains constant)

What happens to a sealed bag of potato chips when it is driven up a tall mountain? Assume temperature remains the same.

At a constant volume and mass, the pressure of a gas will ___________ when the temperature increases.

Which of the following are electrolytes when dissolved in water?

Which of the following is true about electrolyte solutions?

Which of the following is true about bases?

A Bronsted-Lowry acid is defined as a substance that

You have two beakers containing acid solutions, labeled Beaker A and Beaker B. When you put a lightbulb probe into each solution, Beaker A produces a dim light while Beaker B produces a bright light. What can you conclude about the two acids?

What of the following is true about strong versus weak acids?

If a saturated solution of KClO₃is cooled from 70°C to 30°C, how much solid is expected to fall out of the solution?

The solution shown in the beaker is well mixed and has been dissolving for days. It can be considered…
(Note: There are some dissolved particles floating around and some undissolved particles resting on the bottom)

If a saturated solution of KClO₃is cooled from 70°C to 30°C, how much solid is expected to fall out of the solution?

The solution shown in the beaker is well mixed and has been dissolving for days. It can be considered…
(Note: There are some dissolved particles floating around and some undissolved particles resting on the bottom)