<s>
The	O
Bunsen	B-Algorithm
cell	I-Algorithm
is	O
a	O
zinc-carbon	O
primary	B-Algorithm
cell	I-Algorithm
(	O
colloquially	O
called	O
a	O
"	O
battery	O
"	O
)	O
composed	O
of	O
a	O
zinc	B-Application
anode	O
in	O
dilute	O
sulfuric	O
acid	O
separated	O
by	O
a	O
porous	O
pot	O
from	O
a	O
carbon	O
cathode	O
in	O
nitric	O
or	O
chromic	O
acid	O
.	O
</s>
<s>
The	O
Bunsen	B-Algorithm
cell	I-Algorithm
is	O
about	O
1.9	O
volts	O
and	O
arises	O
from	O
the	O
following	O
reaction	O
:	O
</s>
<s>
According	O
to	O
the	O
reaction	O
above	O
,	O
when	O
1	O
mole	O
(	O
or	O
part	O
)	O
each	O
of	O
zinc	B-Application
and	O
sulfuric	O
acid	O
react	O
with	O
2	O
moles	O
(	O
or	O
parts	O
)	O
of	O
nitric	O
acid	O
,	O
the	O
resultant	O
products	O
formed	O
are	O
,	O
1	O
mole	O
(	O
or	O
part	O
)	O
of	O
zinc	B-Application
sulfate	O
and	O
2	O
moles	O
(	O
or	O
parts	O
)	O
each	O
of	O
water	O
and	O
nitrogen	O
dioxide	O
(	O
gaseous	O
,	O
in	O
the	O
form	O
of	O
bubbles	O
)	O
.	O
</s>
<s>
The	O
cell	O
is	O
named	O
after	O
its	O
inventor	O
,	O
German	O
chemist	O
Robert	O
Wilhelm	O
Bunsen	O
,	O
who	O
improved	O
upon	O
the	O
Grove	B-Algorithm
cell	I-Algorithm
by	O
replacing	O
Grove	O
's	O
expensive	O
platinum	B-Operating_System
cathode	O
with	O
carbon	O
in	O
the	O
form	O
of	O
pulverized	O
coal	O
and	O
coke	O
.	O
</s>
