Describe the motion of particles in a gas.

The particles move freely and quickly in all directions.

How does heating a liquid affect its particles?

The particles gain energy and move faster

What is the main reason that gases can fill any container they are in?

Gas particles are far apart and move freely

Which statement is true about the particles in a liquid?

The particles have more energy than in a solid but less than in a gas

What arrangement of particles best describes a solid?

Particles are closely packed and vibrate in place

How do the particles in a liquid move compared to those in a solid?

They can slide past each other, but are still close together

Which statement is true about gases?

They expand to fill their container

What is the main reason that liquids take the shape of their container?

Their particles can flow past each other

What is the structure of a typical solid?

Particles are arranged in a fixed pattern and are closely packed.

What is thermal expansion?

The increase in volume of a material due to heating

What does the law of conservation of mass state?

Mass cannot be created or destroyed in a chemical reaction

Which of the following is an example of conservation of mass? Options: Burning wood produces ash and gases but the mass of the original wood equals the mass of the products, Mixing salt in water makes the total mass heavier, Evaporating water makes it disappear completely, Melting ice makes the water less heavy

Burning wood produces ash and gases but the mass of the original wood equals the mass of the products

In a closed container, if you mix vinegar and baking soda and observe a reaction, what happens to the total mass?

The total mass remains the same before and after the reaction.

When a piece of paper is burned, what happens to the mass of the paper?

The mass is transformed into ash and gases, but the total mass remains constant

If you have a sealed jar with a reaction happening inside, what can you say about the mass of the substances inside the jar?

The mass of the substances will stay the same throughout the reaction.

What happens to the mass of an ice cube when it melts into water?

The mass remains the same before and after melting.

If you dissolve sugar in water, what can you say about the total mass of the sugar and water together?

The total mass remains the same before and after dissolving.

During a chemical reaction, how is mass conserved?

The total mass of the reactants equals the total mass of the products

What effect does cutting a piece of paper in half have on its mass?

The total mass stays the same before and after cutting.

During a chemical reaction, if one reactant is a gas, what happens to the total mass of the system if it is contained?

The mass is conserved and remains the same as long as the container is sealed.

SCI 122 - Thermodynamics Review Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What process is it called when a liquid turns into a gas? Options: Evaporation, Freezing, Condensation, Sublimation

Back

Evaporation

2.

FLASHCARD QUESTION

Front

What do we call the process where a solid changes directly into a gas, skipping the liquid state? Options: Sublimation, Melting, Freezing, Boiling

Back

Sublimation

3.

FLASHCARD QUESTION

Front

What is the process called when a gas cools down and turns back into a liquid? Options: Condensation, Freezing, Sublimation, Evaporation

Back

Condensation

4.

FLASHCARD QUESTION

Front

Process of a substance changing from a liquid to a solid

Back

Freezing

5.

FLASHCARD QUESTION

Front

Which process describes the change of a solid directly into a gas? Options: Sublimation, Melting, Deposition, Condensation

Back

Sublimation

6.

FLASHCARD QUESTION

Front

What is the process of a gas becoming a solid called? Options: Deposition, Freezing, Sublimation, Condensation

Back

Deposition

7.

FLASHCARD QUESTION

Front

What is it called when a solid changes into a liquid? Options: Melting, Sublimation, Freezing, Condensation

Back

Melting

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