Curve

How many grams of CaCl₂, are soluble in 100 g of water at approximately 17 ºC?

• 58 grams

• 70 grams

• 0 grams

• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Between which points is the temperature of the substance remaining constant?

• A-B only. 

• A-B, C-D, E-F

• B-C only. 

• B-C, D-E

Tags

NGSS.MS-PS1-4

Between which two points is Heat of Fusion?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which two points is Heat of Vaporization?

• A <----> B

• B <----> C

• C <----> D

• D <----> E

• E <----> F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The graph shows a cooling curve for an unknown substance.  What is happening during segment DE?

• boiling

• condensation

• freezing

• melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

In which region(s) does temperature remain constant?

• Region 1, 3, & 5

• Region 2 & 4

• Region 1 only

• Region 1 & 2

Tags

NGSS.MS-PS1-4

Using the supplied solubility curve diagram, determine the temperature at which KNO₃ and NH₄Cl have the same solubility.

• 16°C

• 39°C

• 25°C

• 73°C

Tags

NGSS.MS-PS1-4

Using the supplied solubility curve diagram, determine which compound listed below is least soluble at 70°C.

• NH₄Cl

• NaCl

• KCl

• KNO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Using the supplied solubility curve, determine the temperature that Ce₂(SO₄)₃ and KClO₃ have the same solubility.

• 26°C

• 3°C

• 57°C

• 80°C

Tags

NGSS.MS-PS1-4

Using the supplied solubility curve, determine which compound listed below is most soluble at 20°C.

• NH₃

• KCl

• KClO₃

• NaNO₃

Tags

NGSS.MS-PS1-2