Question

giving one example list two information which makes a chemical equation more useful as in formatin​

Answer 1

#by knowing condition under which reaction takes place. it means that how much temperatures or atmospheric pressure or heat energy is required and #by knowing the physical state like zn (s) +dil h2so4(aq) give rise to H2(g)+ znso4(aq)

here aq refers to aqueous solution and

s refers to solid and g refers to gas ......hope it helps you...