Unit 1: Chemical Reactions - Changes of State for Water Flashcards
1
Q
What are the 3 different states of water?
A
- Ice - solid
- Water - liquid
- Steam - gas
2
Q
What is the freezing point of water?
A
0oC
3
Q
What happens to water when it is heated to 100oC?
A
Water evaporates when heated to 100oC. The liquid bubbles and boils
4
Q
What is the boiling point of water?
A
100oC
5
Q
What is the process called when steam changes to water?
A
Condensation
6
Q
At what temperature does water change to ice and what is this process called?
A
0oC / Freezing
7
Q
What state is water at 35oC?
A
Liquid
8
Q
What state is water at -10oC?
A
Solid
9
Q
What is evaporation?
A
A process by which a liquid is changed to a gas
10
Q
What has to happen to water to change it from one state to another?
A
To change water from one state to the other we must heat or cool
