CHEM 40
_ OOl
Name:
L Name the
following compounds.
[4
points]
QUIZ 2b
(20
points) Spring 2009
M.Pauly
a) Pb(ClO,),
b) KNO3
?
N"'
complete-ionic:
lc*1,(tr\
ch\orife-
3. Balance
thc
following chemical
equations by
placing
a number
in
EYEBI blank
(including
l). 14
poinrsl
.) I r,cq ("q)
* \ ",o0) - t co,(s)
+ 2 xon
luqy
^f
b) a c"Hoo(g) + > o,(s) -+ CO'
(g) +H,O
(t)
4. For the equations in
question
3 above, did a reaction actually
occur? How do
you
know?
12
poinrsl
eS. !4o0 vr,r."o\
e
p.'[cr o *-J. {er-< J
.olecular: N4? POq () l 3L?,c( , _+ LijrOl,.rt | 3Na.Bc,,
2. Write
the chemical formula for the following compounds,
14
pointsl
a) aluminum sulfate
b) lithium hydroxide
Alz
6o+)r
L,
orl
-t (O1 + ?Cr' + 3br + r' ry-, | ?At.t . .
' La)D*,U t /N^ + VE(
5-T
a) yes
or no?
b) yes
or no?
5, When
NarPO,
and LiBr solutions are mixed together,
a
precipitate
forms. Write the balanced molecular,
complete-ionic and net-ionic
aquations below. t6 Doinrsl
19. Ma/,{- E 4a.4, vtola r-lzg p(.* f
net-ionic: P
o\t ,rt + 9 i' ott -' Ll
r
?o*
,r,