Podcast
Questions and Answers
What characteristic of liquids distinguishes them from solids and gases?
What characteristic of liquids distinguishes them from solids and gases?
Which state of matter is almost impossible to compress?
Which state of matter is almost impossible to compress?
What is the process of turning a liquid into a gas called?
What is the process of turning a liquid into a gas called?
At what temperature does water boil according to the text?
At what temperature does water boil according to the text?
Signup and view all the answers
Which type of change involves changes between states and is reversible according to the text?
Which type of change involves changes between states and is reversible according to the text?
Signup and view all the answers
What happens when a gas turns into a liquid?
What happens when a gas turns into a liquid?
Signup and view all the answers
What happens to the particles in a substance when they get closer together due to a temperature change?
What happens to the particles in a substance when they get closer together due to a temperature change?
Signup and view all the answers
In dissolving sugar in water, what is the role of water?
In dissolving sugar in water, what is the role of water?
Signup and view all the answers
Which type of changes are generally reversible, although some situations can make them irreversible?
Which type of changes are generally reversible, although some situations can make them irreversible?
Signup and view all the answers
What indicates the creation of a new substance according to the text?
What indicates the creation of a new substance according to the text?
Signup and view all the answers
Why are chemical changes always considered irreversible?
Why are chemical changes always considered irreversible?
Signup and view all the answers
What determines the speed at which sugar dissolves in water?
What determines the speed at which sugar dissolves in water?
Signup and view all the answers
