Chemical rxns in a typical automoblie lead-acid battery.

[jalen]

A typical automoblie engine uses a lead-acid battery. During discharge, the following chemical reaction takes place.
Pb _{(s) +PbO2 (s) +2H2SO4 (aq) +2H2O2 (l)
(1) Pb (s) +PbO[sub]2[sub] [sub](s)[sub] +2SO[sub]3 (g) ---> 2PbSO[sub]4 (s) H= -775KJ
(2) SO[sub]3 (g) + H[sub]2[sub]O[sub]2[sub] [sub](l)[sub] ---> H[sub]2[sub]SO[sub]4[sub] [sub](aq)[sub] H= -133KJ}

 

[Gokul43201]

1. What is the question?
2. Please edit the post so that every closing "sub" tag looks like [/sub].

Example: O₂ --->O [s u b]2[/ s u b] without spaces

 

[chemisttree]

A typical automoblie engine uses a lead-acid battery. During discharge, the following chemical reaction takes place.
Pb _(s) +PbO_{2 (s)} +2H₂SO_{4 (aq)} +2H₂O_{2 (l)}
(1) Pb _(s) +PbO_{2 (s)} +2SO₃ (g) ---> 2PbSO₄ (s) H= -775KJ
(2) SO₃ (g) + H₂O_{2 (l)} ---> H₂SO_{4 (aq)} H= -133KJ

Here it is Gokul... Is there a question lurking in there?