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Chemistry Examples
Popular Problems
Chemistry
Simplify Zn+HZn_2+H_2
Z
n
+
H
Z
n
2
+
H
2
Z
n
+
H
Z
n
2
+
H
2
Step 1
Reorder
Z
Z
and
n
n
.
n
Z
+
H
Z
n
2
+
H
2
n
Z
+
H
Z
n
2
+
H
2
Step 2
Move
Z
Z
.
n
Z
+
H
n
2
Z
+
H
2
n
Z
+
H
n
2
Z
+
H
2
Step 3
Reorder
H
H
and
n
2
n
2
.
n
Z
+
n
2
H
Z
+
H
2
n
Z
+
n
2
H
Z
+
H
2
Step 4
Reorder
n
Z
n
Z
and
n
2
H
Z
n
2
H
Z
.
n
2
H
Z
+
n
Z
+
H
2
n
2
H
Z
+
n
Z
+
H
2
Z
n
+
H
Z
n
2
+
H
2
Z
n
+
H
Z
n
2
+
H
2
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
a
a
7
7
8
8
9
9
≤
≤
°
°
b
b
4
4
5
5
6
6
/
/
^
^
×
×
>
>
c
c
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
!
!
π
π
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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