# data[].attributes.body
H2(g)+1/2O2(g)→H2O(g)
CH 4(g) + 2 O ₂ (g)→ CO ₂ (g)+ 2 H ₂ O(l) +heat

# data[].attributes.body
Q1 . H2+1/2 O2 ------> H2O + heat
Q2. CH4 + 2O2 -------> CO2+2H2O + heat
Q3. C8H18 + 25/2O2 --> 8CO2+9H2O+heat

# data[].attributes.body
H2 + 1/2 O ----> H2O + 286 KJ

# data[].attributes.body
Q.2:
CH4(g)+2O2(g)->CO2(g)+2H2O(l)+heat

# data[].attributes.body
H2 + 1/2O2 ----> H2O + heat
CH4 + 202 ------> CO2 + 2H2O
C8H18 + 25/2O2 --> 8CO2+9H2O+heat