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CHEMICAL EQUATIONS


A
chemi
cal
equat
ion
tel
ls
us
w hat
i
s happeni
ng
in
a r
eact
ion.


Word Equations
a re qual
it
ati
ve
ma y
incl
ud e
stat
e symbols:
(
s),
(l
),
(g),
(aq)

eg.






Balanced Symbol Equations (st
oichi
ome…

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Example 2

copper
(I
I)
ni
tr
ate




copper
(I
I)
oxi
de


+

ni
tr
ogen
dioxi
de


+

oxygen

















TASK 1: Wr
it
e bal
anced
symbol
equat
ions
for
t
he
fol
lowi
ng
react
ions.



1. copper
(
s)
+
sul
phur
(
s)

copper
(…

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gi
ve
you
mor
e pr
act
ice.

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