Chemsheets-A2-1014-Thermodynamics-booklet-ANS. CHE PHYSICAL C

Most answers in this topic are to the nearest unit unless stated otherwise (as
data is to nearest unit and it is addition or subtraction
PAGE 3 EXAMPLES
C(s) + 2 H2(g) → CH4(g)
H2(g) + ½ O2(g) → H2O(l)
½ N2(g) + 3/2 H2(g) → NH3(g)
2 C(s) + 3 H2(g) + ½ O2(g) → C2H5OH(l)
C(s) + 3/2 H2(g) + ½ Br2(l) → CH3Br(l)
2 Na(s) + ½ O2(g) → Na2O(s)
CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
H2(g) + ½ O2(g) → H2O(l)
C2H6(g) + 3½ O2(g) → 2 CO2(g) + 3 H2O(l)
C2H5OH(g) + 3 O2(g) → 2 CO2(g) + 3 H2O(l)
Na(s) + ¼ O2(g) → ½ Na2O(s)
C6H14(g) + 9½ O2(g) → 6 CO2(g) + 7 H2O(l)
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
½H2SO4(aq) + NaOH(aq) → ½ Na2SO4(aq) + H2O(l)
HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l)
HNO3(aq) + ½Ba(OH)2(aq) → ½ Ba(NO3)2(aq) + H2O(l)
½H2SO4(aq) + ½Ba(OH)2(aq) → ½BaSO4(aq) + H2O(l)
PAGE 4 EXAMPLES

= –891 kJ mol-1

PAGE 5 EXAMPLES

CO2(g) + 2 H2O(l)