Ap Chemistry Review Sheet - Winston Churchill High School, 2016-2017 Page 8

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AP Chemistry
Summer Review
Winston Churchill High School
2016-2017
22. Ni
(PO
)
3
4
2
23. Fe(IO
)
2
3
24. NaBrO
2
25. H
PO
3
3
26.
tartaric acid
27.
hydrotellluric acid
28.
mercury (I) nitrate
29.
vanadium (V) oxide
30.
tetraphosphorous decaoxide
II. Significant Figures
1. Give the number of sig figs in each of the following numbers
a. 123 b. 0.078 c. 89007 d. 12,000 e. 1,000,000,000.0
f. 0.009 g. 23,000. h. 34,000 i. 34.89 j. 101
2. Do the following calculations giving the answer in the appropriate number of sig figs.
a. 1.23 + 75 b. 1.89 - .20 c. 45.6 x 8.2 d. 234/0.298
e. 0.887 + 0.3 f. 2340 - 100 g. 12.45 x 3 h. 25,600/ 3.0
3. Do the following calculations giving the answer in the appropriate number of sig figs
a. 45.0 x 9.0 + 89.22/ 75 b. (2.88 + .5) x ( 23,000 - 0.11)
c. 0.8897 x 2.15 + 0.002/.1 d. (8 + 9)/(34.0 – 20.)
III. Reactions
Please write net ionic balanced reactions (with states of matter included) for the following
questions on a separate piece of paper. You’ll have reactions that are classified as
precipitation, acid-base, or redox (reduction-oxidation…like, synthesis, decomposition, and
single displacement/replacement).
Any ion has an aqueous state of matter.
For acid-base reactions, strong acids (HCl, HBr, HI, H
SO
, HClO
, and HNO
) and
2
4
4
3
strong bases (metal ions in groups 1 and 2 paired with hydroxide (OH
) completely
-
dissociate. Weak acids and bases do not.
For precipitation (and some redox) reactions, use the solubility rules below to
determine which salts are soluble (aqueous) or insoluble (solid). Only aqueous
solutions can dissociate…solids, liquids, and gases cannot.
1. Salts containing Group I elements are soluble (Li
, Na
, K
, Cs
, Rb
). Exceptions to
+
+
+
+
+
this rule are rare. Salts containing the ammonium ion (NH
) are also soluble.
+
4
2. Salts containing nitrate ion (NO
) and acetate ion (C
H
O
) are generally soluble.
-
3
2
3
2

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