Physical Behavior of Matter

Which set of properties does a substance such as CO₂(g) have?

• definite shape and definite volume

• definite shape but no definite volume

• no definite shape but definite volume

• no definite shape and no definite volume

Tags

NGSS.MS-PS1-4

A liquid is poured from a volumetric flask into a beaker. Which of the following is true?

• It retains its original volume and shape.

• It retains its original volume, but its shape changes

• It retains its original shape, but its volume changes

• Both the volume and shape change.

Which sample of CO₂ has a definite shape and a definite volume?

• CO₂(aq)

• CO₂(l)

• CO₂(s)

• CO₂(g)

Tags

NGSS.MS-PS1-4

A liquid's freezing point is -38°C and its boiling point is 357°C. How many Kelvins are there between the boiling point and the freezing point of the liquid?

• 319

• 395

• 592

• 668

A mixture of sand and salt can be separated by filtration because the substances in the mixture differ in

• boiling point

• density at STP

• solubility in water

• freezing point

Which Celsius temperature is equilivalent to 323 K?

• 50°C

• 212°C

• 273°C

• 596°C

Which grouping of the three phases of bromine is listed in order from left to right for increasing distance between bromine molecules?

• gas, liquid, solid

• liquid, solid, gas

• solid, gas, liquid

• solid, liquid, gas

Tags

NGSS.MS-PS1-4

What is the freezing point of water on the Kelvin scale at standard pressure?

• 0 K

• 32 K

• 100 K

• 273 K

By using a paper filter, which of the following can be separated?

• a homogeneous mixture of two liquids

• two heterogeneous solids

• a solid in a liquid

• a heterogeneous mixture of two liquids

Distillation can be used to separate

• two solids

• a homogeneous mixture of two liquids with different boiling points

• solids suspended in a gas

• gases with different densities