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Ca2 + O2 = 2 CaO
Ni2(SO4)2 + NH4H2PO4 = (NH4)2SO4 + H2SO4 + Ni3(PO4)2 =>
3 Ni2(SO4)2 + 4 NH4H2PO4 = 2(NH4)2SO4 + 4 H2SO4 + 2 Ni3(PO4)2
Zn(s) + O2(g) = ZnO =>
2 Zn(s) + O2(g) = 2 ZnO
FeCl2 + NH4(OH) = Fe(OH) + NH4Cl2 =>
FeCl2 + NH4(OH) = Fe(OH) + NH4Cl2
NH4Cl + Al(OH)3 = AlCl3 + H2O + NH3 =>
3 NH4Cl + Al(OH)3 = AlCl3 + 3 H2O + 3 NH3
SO2(g) + H2O(l) = H2SO3 =>
SO2(g) + H2O(l) = H2SO3
P4 + ClO{-} + OH{-} + H2O = H2PO4{-} + Cl{-} =>
P4 + 10 ClO{-} + 4 OH{-} + 2 H2O = 4 H2PO4{-} + 10 Cl{-}
Zn + HgS4 = Hg + ZnS04 =>
Zn + HgS4 = Hg + ZnS04
C + H2 + O2 = C12H22O11 =>
24 C + 22 H2 + 11 O2 = 2 C12H22O11
NaOH + NiCl2 = Ni(OH)2 + NaCl =>
2 NaOH + NiCl2 = Ni(OH)2 + 2 NaCl
ZnSO4 + NaOH + HCl = ZnCl2 + H2O + Na2SO4 =>
ZnSO4 + 2 NaOH + 2 HCl = ZnCl2 + 2 H2O + Na2SO4
Na2SO4 + CuSO4 = Cu(SO4)2 + Na2 =>
Na2SO4 + CuSO4 = Cu(SO4)2 + Na2
S + MgBr2 = MgS + Br2 =>
S + MgBr2 = MgS + Br2
K2Cr2O7 + KNO2 + HClO4 = Cr(ClO4)3 + KNO3 + KClO4 + H2O =>
K2Cr2O7 + 3 KNO2 + 8 HClO4 = 2 Cr(ClO4)3 + 3 KNO3 + 2 KClO4 + 4 H2O
B + NO2 = BNO2 =>
B + NO2 = BNO2
Cr + Cl = CrCl3 =>
Cr + 3 Cl = CrCl3
Sr + AgBr = Ag + SrBr2 =>
Sr + 2 AgBr = 2 Ag + SrBr2
Ni2(SO4)2 + NH4H2PO4 = (NH4)2SO4 + H2SO4 + Ni3(PO4)2 =>
3 Ni2(SO4)2 + 4 NH4H2PO4 = 2(NH4)2SO4 + 4 H2SO4 + 2 Ni3(PO4)2
SO2(g) + H2O(l) = H2SO3(g) =>
SO2(g) + H2O(l) = H2SO3(g)
H3[Fe(CN)6] + NaOH = Fe(OH)3 + HCN + NaCN =>
H3[Fe(CN)6] + 3 NaOH = Fe(OH)3 + 3 HCN + 3 NaCN
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Zn(s) + O2(g) = ZnO =>
2 Zn(s) + O2(g) = 2 ZnO
(CH3COO)2Pb + NaOH = CH3COONa + Pb(OH)2 =>
(CH3COO)2Pb + 2 NaOH = 2 CH3COONa + Pb(OH)2
Al + MnO2 = Al2O3 + Mn3 =>
4 Al + 3 MnO2 = 2 Al2O3 + Mn3
NH4OH + HClO3 = NH4ClO3 + H2O =>
NH4OH + HClO3 = NH4ClO3 + H2O
H2C = CH2 =>
H2C = CH2
NaCl + Ba(No3)2 = NaNo3 + BaCl2 =>
2 NaCl + Ba(No3)2 = 2 NaNo3 + BaCl2
ZnSO4 + K2O = Zn2O + KSO4 =>
2 ZnSO4 + K2O = Zn2O + 2 KSO4
Ag(NO3)2 + KF = KNO3 + AgF2 =>
Ag(NO3)2 + 2 KF = 2 KNO3 + AgF2
NH3 + HNO3 = NH4 + NO3 =>
NH3 + HNO3 = NH4 + NO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Si + KMnO4 = SiO2 + Mn + K2O =>
7 Si + 4 KMnO4 = 7 SiO2 + 4 Mn + 2 K2O
Ca(OH)2 + H3(PO4) = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3(PO4) = Ca3(PO4)2 + 6 H2O
NaCl + Ba(NO3)2 = Na(NO3) + BaCl2 =>
2 NaCl + Ba(NO3)2 = 2 Na(NO3) + BaCl2
C4H4O4K2 + KOH = C2H6 + K2CO3 =>
C4H4O4K2 + 2 KOH = C2H6 + 2 K2CO3
RaO + O2 = RaO2 =>
2 RaO + O2 = 2 RaO2
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
Ni + NaBr = NiBr + Na =>
Ni + NaBr = NiBr + Na
Na + CuSO4 = NaSO4Cu =>
Na + CuSO4 = NaSO4Cu
H2CrO4 + HCl = H2O + CrO2Cl2 =>
H2CrO4 + 2 HCl = 2 H2O + CrO2Cl2
Si + KMnO4 = SiO2 + K2O + MnO2 =>
3 Si + 4 KMnO4 = 3 SiO2 + 2 K2O + 4 MnO2
Sn + ZnS = SnS + Zn =>
Sn + ZnS = SnS + Zn
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Mg(CH3COO)2 + Cs2CO3 = MgCO3 + CsCH3COO =>
Mg(CH3COO)2 + Cs2CO3 = MgCO3 + 2 CsCH3COO
NH3 + HNO3 = N2 + H2O =>
5 NH3 + 3 HNO3 = 4 N2 + 9 H2O
PbCO4 = PbO2 + CO2 =>
PbCO4 = PbO2 + CO2
Na2CO3 + H + Cl = NaCl + H2O + CO2 =>
Na2CO3 + 2 H + 2 Cl = 2 NaCl + H2O + CO2
Fe2(O)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2(O)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Zn + CO2 = ZnO + CO =>
Zn + CO2 = ZnO + CO
Si + KMnO4 = MnO2 + K2SiO3 + SiO2 =>
3 Si + 4 KMnO4 = 4 MnO2 + 2 K2SiO3 + SiO2
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