Gas

The gas consists of ...

• molecules

• materials

• compound

Molecules in gas...

• the same mass

• different mass

Molecules in gas

• always move

• sometimes move, sometime stop

Motion of gas molecules is ...

• random

• not random

Velocity of molecules increases when ...

• temperature increases

• temperature decreases

• temperature is constant

Pressure is created by ...

• collision of molecules with container

• collision of molecules with other molecules

Đâu là những đại lượng mô tả chất khí

(1) Mass

(2) Volume

(3) Temperature

(4) Pressure

(5) Force

(6) Velocity

• 1,2,3

• 4,5,6

• 2,3,4

• 2,4,6

To increase pressure ...

• increase force

• decrease area

• both

Keep volume constant and increase temperature

• pressure increases

• pressure decreases

• pressure is constant

Keep Temperature, increase pressure

• Volume increases

• Volume decreases

• Volume is constant