Heating Curves

In which region(s) does temperature increase? (a)  

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

Tags

NGSS.MS-PS1-4

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

• Constant, changing

• Changing, constant

Tags

NGSS.MS-PS1-4

Between which points is the temperature of the substance remaining constant? (a)  

• A-B only

• A-B, C-D, and E-F

• B-C only

• B-C and D-E

Tags

NGSS.MS-PS1-4

At which letter is the substance changing its state of matter?

• A only

• A, C, and E

• D and E

• B and D

Tags

NGSS.MS-PS1-4

Anika, Samuel, and Henry were conducting an experiment in their chemistry class. They recorded the heating curve of a substance as shown in the graph. Based on their observations, what is the boiling point of the substance?

• 100 C

• 60 C

• 80 C

• 20 C

Tags

NGSS.MS-PS1-4

What part of the curve represent a mixed liquid/vapor phase of substance X?

• I

• II

• III

• IV

• V

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What part of the curve represent a mixed liquid/vapor phase of substance X?

• I

• II

• III

• IV

• V

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What part of the curve represent a mixed solid/liquid phase of substance X?

• I

• II

• III

• IV

• V

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What part of the curve represent a mixed solid/liquid phase of substance X?

• I

• II

• III

• IV

• V

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

• 0°C

• 801°C

• 1000°C

• 1465°C

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4