ACID and BASE
O -----> NH
Recall that ammonia vapors turn red litmus blue. This is the
for a base!
Although carbon dioxide does not turn blue litmus paper red, it is weakly acidic. It gives a somewhat "sharp" or "sour" taste to water
Acid Base reactions are
, they give off heat.
Notice that your reaction gets warmer as you bubble in the carbon dioxide.
Merely bubbling plain air through plain water or the ammonia-salt solution of this experiment, will cool down the water because of evaporation.