Equations balanced on the previous day | Equations balanced on the next day |
SiO2 + 4 HF = SiF4 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KCN3 = KN + CN2 =>
KCN3 = KN + CN2
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
Ba(NO3)2 + H3PO4 = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3PO4 = Ba3(PO4)2 + 6 HNO3
Cl2 + AlBr3 = Br2 + AlCl3 =>
3 Cl2 + 2 AlBr3 = 3 Br2 + 2 AlCl3
P + H2O = PH3 + H3PO3 =>
2 P + 3 H2O = PH3 + H3PO3
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + S = ZnS =>
Zn + S = ZnS
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cl + NaI = NaCl + I =>
Cl + NaI = NaCl + I
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2