States of Matter Review Game

Water exists as a _____________ at 3 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

Water exists as a _____________ at 700 mmHg and 50 °C.

• solid
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What phase change(s) may occur at pressures below 4.58 mmHg?

• sublimation/deposition
• melting/freezing
• all phase changes are possible at these pressures
• vaporization/condensation

Tags

NGSS.MS-PS1-4

The pressure is increased on a sample of water at 0 °C from 0 mmHg to 800 mmHg. In order, what changes occur?

• deposition, melting

• sublimation, melting

• condensation, freezing

• deposition, freezing

Water will boil at temperatures above 100 °C at pressures __________ 760 mmHg.

• below
• above
• equal to
• significantly below

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement is true for carbon dioxide at -60 °C?

• All three phases are possible.
• It can exist as a solid or a gas, depending on pressure.
• It is a solid.
• With enough pressure it can be melted.

Tags

NGSS.MS-PS1-4

What is true regarding CO₂ for temperatures above 31 °C?

• It can never be liquified.
• It decomposes.
• It has a high pressure.
• It is a plasma.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At 10 atm, dry ice is heated from -100 °C to 30 °C.  What changes occur?

• freezing, then condensation
• melting only
• sublimation only
• melting, then boiling

Tags

NGSS.MS-PS1-4

What is the normal melting point of CO₂?

• -78.5 °C
• -56.7 °C
• 31 °C
• It doesn't have a normal melting point.

What state of matter is X?

• solid 
• liquid
• gas
• supercritical fluid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4