Heating and Cooling Curves and Phase Change

Which interval is kinetic energy constant while the potential energy increases?

• AB

• BC

• CD

• EF

What is the boiling point of the sample?

• 170^oC

• 110^oC

• 50^oC

• 0^oC

Tags

NGSS.HS-PS3-4

During which interval is the substance completely in the liquid phase?

• AB

• BC

• CD

• DE

Tags

NGSS.MS-PS1-4

Which interval is only a gas present?

• AB

• CD

• DE

• EF

Tags

NGSS.MS-PS1-4

What is the melting point of the substance?

• 0^oC

• 60^oC

• 120^oC

• 180^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the freezing point of the substance?

• 170^oC

• 110^oC

• 50^oC

• 0^oC

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which interval are the particles in the substance undergoing condensation?

• AB

• BC

• CD

• DE

Tags

NGSS.MS-PS1-4

Which segment is the substance completely in the solid phase?

• AB

• CD

• DE

• EF

Tags

NGSS.MS-PS1-4

Which statement describes the energy of the particles in this sample during interval CD?

• Both PE and KE increase.

• Both PE and KE decrease.

• PE stays the same and KE increases.

• PE increases and KE stays the same.

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Which interval is potential energy decreasing while kinetic energy stays the same?

• AB

• CD

• DE

• EF