Chemistry
Worksheet:
Name:
Date:
Ch 8,9 and II : Obj. 8-15 rev, bal. eqns
A. Review of types of equations:
I. Put a "D-R" next to the double replacement reaction in Box I-I.
2. Put a . 8 next to the reaction in box I-I that is a S~nYhe,,~is: reaction.
3. Put a "D" next to the reaction in Box I-I that is a decomposition reaction.
4. Put a "S-R" next to the single replacement reaction in Box I-I.
5. Put an "0" next to the combustion reaction in Box I-I.
Box I-I.
, 12KI~
a. aqueous barium chloride reacts with aqueous silver sulfate to form solid silver
chloride and solid barium sulfate
b. calcium carbonate when heated forms calcium oxide and carbon dioxide
, Sg
10
c. magnesium chloride reacts with fluorine gas to form magnesium fluoride and
chlorine gas
'
d. methane gas combines with oxygen to form water and carbon dioxide
Ie
e. iron and oxygen gas react to form iron (II) oxide
,
B. Balance the following chemical equations and identify each as a lylA }lteS"j'S , single replacement, double
replacement, decomposition or combustion reaction.
Type
J
2.
I
+-I-'
+ CI2(g)
3.
4.
I
5.
6.
BaCb(aq)
-7
SnCIi(aq)
+ Br2(1)
+2AgCI(s)
+ LAgN03(aq)
I
HCI(aq)
+ NaOH(aq)
-7
NaCI(aq)
CJIJu
ble
CiJmbus-h '0 h
I dJu hie rto)o (tfYlerickaxYYJ JJ())li70 J]
I
v
+
7.
8.
f
9.
10.
I
C3(S)
+
tyJtn/
t
I
I
)/
ZHgO(s)
<
I
I
I
I
I ----..0'-1H'rJD -h~'h£.....•..•
<;:•..•...
/ .•.•...
S --Peed m])rJ£, hoY)
I
I.
16c0
2(g)
I
Sin the[/s
,
C. Review: Complete the following word eq uations (if needed), state what type of reaction they are and then
rewrite the equation as a balanced chemical equation.(See activity series on p.
for single replacement
reactions involving metals).
2'13
I. Type of reaction:
ea.hi u I» ~U If,de ()hj
aqueous magnesi m sulfide reacts with calcium to form
,
\
I
(-
Sf'
;1Aa£:{q(J
2. Type of reaction :
,
+
Com bu~+'-Of)
butane (C4H,,) reacts with oxygen gasto form
I IZC'lJ./;oatI30Z§)
. 3. Type of reaction:
USIS) +-
Cars) ~
PO y lip
Ca.rhon
J,'ooie ~
)YI1!NJ I 11"7
I
;WJCs)
S Oht
!)JaJ-.r,r
I
~S'COZ{f)+ /ol!-ZP(?)
pI fJ.{(J/YIt'/rJ.-
[p
CrO
2.-
aqueous barium chloride reacts with aqueous potassium chromate to form solid barium
chromate and aqueous potassium chloride
\
eaC/~e)+
4. Type of reaction :
1
9111+ h-f' (' (,r:;
Magnesium metal reacts with chlorine gas to form --,-m--'-"'l'¥-"-~.L...!C...-=------~'-'--'-~-'---"'~~
·I
5.
'4Cr()tjett)'
Type of reaction :
d-e COM If)Of'II-;,O h
Solid aluminum carbonate changes into aluminum oxide and carbon dioxide when strongly heated
\
I 6.
Type of reaction :
I
sTOle rep/rlcem-ed
Nickel(lI) chloride reacts with fluorine gas to form
n I ekeI (1) PI\Ao(J
1 Ir---N-,·c-,Z-CS-) +--s-{g-)--)--N-;
16
r*;,
.
£-7--(5-)
de
Il
-t-C-'-z -0
c~lo{jl1el1/l
)-1