Which of the following compounds, when added to a 1.0-M
solution of HClO4, has a solubility greater than in pure
water? Select all that apply.
Group of answer choices
Cr(ClO4)3
Ca3(PO4)2
PbI2
ZnS
AgBr
BaF2
Which of the following changes will likely increase the
solubility of a solid solute but decrease the solubility of a
gaseous solute?
A. Increasing the temperature
B. Increasing the molecular mass of the solute
C. Decreasing the atmospheric pressure
D. Decreasing the concentration
For each condition listed below, indicate whether it will
increase or decrease the likely success of a trade embargo. Briefly
explain. (2 points each)
i. The group of countries imposing the embargo account for a
small share of the targeted country’s trade.
ii. The targeted country is a major importer of goods from the
imposing countries.
Of the human traits listed below, which are likely to be under
the control of a polygenic mode of inheritance? (Chose all that
apply.)
a.
color blindness
b.
ABO blood type
c.
skin color
d.
intelligence
e.
height
f.
sickle cell anemia
In each othe following compounds, which compound is likely to be
more soluable in water?
Please explain your answers.
A). CCl4 or CHCl3
B). CH3OH or C6H11OH
C). NaF or MgO
D). CaF2 or BaF2
1) Compare the solubility in water of similar size compounds
like pentane, 1-propanol, and propanone. Which functional group(s)
allow the compound to be soluble in water: alcohols, alkanes,
and/or ketones? What do the functional groups of the more soluble
compounds have in common? (What IMFs do they have with water that
the insoluble function group doesn’t have)
Which of the following substances is
likely to dissolve in water, and which is likely to dissolve in
benzene (C6H6)? Note, in propyl ether, each
CH3 or CH2 is a unit with the H’s bonded to
the C’s, and the O atom is bonded to two carbons
Substance
Solvent choice (H2O or C6H6)
a.
NaNO3
_______________
b. propyl ether,
CH3CH2CH2
-O-CH2CH2CH3
_______________
c. naphthalene,
C10H8
_______________
d. methylamine,
CH3-NH2
_______________
Explain each solvent choice given above
1) The solubility of Cu(OH)2 would _____ if one added NaCN to
the solution.
A. Increase or B. Decrease
2) AS the temperature increases chemical reactions tend to
become more ______ controlled.
A. Entropy or B. There is no temperature effect.
3) A cell where electricity is used to make the reaction run in
a nonspontaneous direction is a ______ cell.
A. Avogadro B. Electrolytic or C. Galvanic
4) Alkaline Batteries use this mtal in the anode.
A. Iron B....
Compounds and molecules such as LiOH will ionize partially when
dissolved in water/solution.
Compounds and molecules such as C6H12O6 (sugar)will not conduct
electricity when dissolved in water/solution.
Compounds and molecules such as C4H3 (butane) will ionize
completely when dissolved in water/solution.
Compounds and molecules such as NH3 will conduct electricity when
dissolved in water/solution.
Which are true? Please explain why.