| Quiz | Particle model of matter |
|---|---|
| Name | |
| Result | FAILED |
| Score | 20 / 26 (76.9%) |
| Passing score | 20.8 |
| Quiz took | 20 min 28 sec |
| Quiz finished at | 2024-04-06 06:39:12 |
In a solid, the particles are ______ packed together.
Solids have _____ density
In a gas, the particles are _____ spread out.
Gases have ____ density.
A body has a mass of 6 kg and a volume of 12 m3. Calculate its density.
A 10 m3 object has a mass of 1500 g. What is its density?
Calculate the mass of 0.2 m3 of density 10 kg/m cubed.
When reading the volume of water in a measuring tube, make sure your eye level is the same level as the meniscus. Otherwise a _____ error will arise and your values will be incorrect.
1kg of water at 100 °C will turn to _____ of steam at 100 °C
A gas changing into a liquid is called
A liquid changing into a solid is called
A solid changing into a liquid is called
A liquid changing into a gas is called
A solid changing into a gas is called
A gas changing into a solid is called
As the temperature increases, the particles have _______ kinetic energy
Water has specific latent heat of fusion 334,000 J/kg and specific latent heat of vaporisation 2,260,000 J/kg. Calculate the amount of energy required to convert 25 kg of ice to water at 0 °C.
Water has specific latent heat of fusion 334,000 J/kg and specific latent heat of vaporisation 2,260,000 J/kg. Calculate the amount of energy required to convert 5kg of team to liquid water at 100 °C.
_________ is the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.
___________ is the amount of heat required to change unit mass of the substance from liquid state to gas state without a temperature change.
________ is the heat energy that is needed to raise the temperature of 1 kg of the substance, by 1 °C.
Pressure of a gas can be increased by
Pressure of a gas can be decreased by
As you blow air into a balloon, the pressure increases as the particles _______ the inside of balloon's walls.
At atmospheric pressure, 100 kPa, the volume of a trapped gas is 40 cm3. A pump is used to increase the pressure on the trapped gas to 250 kPa. Calculate the new volume of the trapped air.
When a gas is compressed quickly, its volume decreases quickly and its temperature can _______.