Integrated Physics and Chemistry TEKS Correlations
(9) Science concepts. The student knows how solution chemistry is a part of
everyday life. The student is expected to:
(D)demonstrate how various factors influence solubility including temperature, pressure, and nature of the solute and solvent; and
Solubility (g of solute/100g of H2O)
Solubilities as a
Function of Temperature
W
X
Y
Z
Temperature – O˚C
75.
The graph shows the relationship between temperature and solubility for four substances. Based on the
graph, which of the substances is most likely a gas?
A.
B.
C.
D.
W
X
Y
Z
76. To survive, trout require high levels of oxygen dissolved in water. Which of the following changes
would most likely result in a decrease in the dissolved oxygen levels of a lake?
A.
B.
C.
D.
Above average rainfall for the surrounding area
A decrease in boating on the lake
An increase in water temperature of the lake
Less construction around the lake
Charles A. Dana Center
Science TEKS Toolkit
www.sciencetekstoolkit.org
77. Which of the following increases the dissolving rate of a solid in water?
A.
B.
C.
D.
Decrease the temperature of the water
Increase the pressure on the solid
Decrease the surface area of the solid
Increase the rate of stirring of the water
Charles A. Dana Center
Science TEKS Toolkit
www.sciencetekstoolkit.org