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Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Mg + CO4 = MgO + C =>
4 Mg + CO4 = 4 MgO + C
C6H5Br + Na + CH3Br = C6H5CH3 + NaBr =>
C6H5Br + 2 Na + CH3Br = C6H5CH3 + 2 NaBr
AgCl + Na2S = Ag2S + NaCl =>
2 AgCl + Na2S = Ag2S + 2 NaCl
(NH4)2SO4 = NH3 + N2 + SO2 + H2O =>
3(NH4)2SO4 = 4 NH3 + N2 + 3 SO2 + 6 H2O
Ca3(PO4)2 + (NH4)2S = CaS + (NH4)3PO4 =>
Ca3(PO4)2 + 3(NH4)2S = 3 CaS + 2(NH4)3PO4
(NH4)2SO4 = NH3 + N2 + SO2 + H2O =>
3(NH4)2SO4 = 4 NH3 + N2 + 3 SO2 + 6 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Zn + Na4V6O17 + HCl = VOCl + NaCl + ZnCl2 + H2O =>
6 Zn + Na4V6O17 + 22 HCl = 6 VOCl + 4 NaCl + 6 ZnCl2 + 11 H2O
Fe(Cl)2 + H2O2 + HCl = Fe(Cl)3 + H2O =>
2 Fe(Cl)2 + H2O2 + 2 HCl = 2 Fe(Cl)3 + 2 H2O
MnNH4PO4 + H2SO4 = MnSO4 + (NH4)3PO4 + H3PO4 =>
3 MnNH4PO4 + 3 H2SO4 = 3 MnSO4 + (NH4)3PO4 + 2 H3PO4
BaCO3 + SO2 = BaSO4 + CO =>
BaCO3 + SO2 = BaSO4 + CO
Ti(CO3)2 = TiO2 + CO2 =>
Ti(CO3)2 = TiO2 + 2 CO2
Xe2 + F2 = XeF6 =>
Xe2 + 6 F2 = 2 XeF6
H2S2O7 + KOH = K2SO4 + H2O =>
H2S2O7 + 4 KOH = 2 K2SO4 + 3 H2O
BaH2(s) + H2O = Ba(OH)2(aq) + H2(g) =>
BaH2(s) + 2 H2O = Ba(OH)2(aq) + 2 H2(g)
NaOH + Mg + H2O = Mg[Na(OH)2] + H2 =>
2 NaOH + 2 Mg + 2 H2O = 2 Mg[Na(OH)2] + H2
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Cu + Fe + S = CuFeS2 =>
Cu + Fe + 2 S = CuFeS2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCl + H2SO3 = HClO3 + H2S =>
HCl + H2SO3 = HClO3 + H2S
BaCl2 + Al2(SO4)3 = Ba(SO4)3 + Al2 + Cl2 =>
BaCl2 + Al2(SO4)3 = Ba(SO4)3 + Al2 + Cl2
CuCl2 + AgNO3 = CuNO3 + AgCl2 =>
CuCl2 + AgNO3 = CuNO3 + AgCl2
H2O2 + C = H2 + CO2 =>
H2O2 + C = H2 + CO2
TiO2 + Cl2 = TiCl3 + O2 =>
2 TiO2 + 3 Cl2 = 2 TiCl3 + 2 O2
HgI2 + H2O = HgO + HI =>
HgI2 + H2O = HgO + 2 HI
BiI3 + NaI = BiI5Na2 =>
BiI3 + 2 NaI = BiI5Na2
Au2S = Au + S2 =>
2 Au2S = 4 Au + S2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Cu(II)Br + KI = Cu(I)I + KBr + I =>
Cu(II)Br + KI = Cu(I)I + KBr + I
C5H12 + HCl = C5H13Cl =>
C5H12 + HCl = C5H13Cl
AgBr + (NH4)2S = Ag2S + NH4Br =>
2 AgBr + (NH4)2S = Ag2S + 2 NH4Br
Br + NaOH = BrNa + NaBrO3 + H2O =>
6 Br + 6 NaOH = 5 BrNa + NaBrO3 + 3 H2O
Li2S + K3PO4 = Li3PO4 + K2S =>
3 Li2S + 2 K3PO4 = 2 Li3PO4 + 3 K2S
(CH3CH2NH3)HCO3 = CH3CH2NH2 + CO2 + H2O =>
(CH3CH2NH3)HCO3 = CH3CH2NH2 + CO2 + H2O
Mg(ClO4)2 + KOH = Mg(OH)2 + KClO4 =>
Mg(ClO4)2 + 2 KOH = Mg(OH)2 + 2 KClO4
C2H5OH(i) + O2 = CO2 + H2O =>
C2H5OH(i) + 3 O2 = 2 CO2 + 3 H2O
NaCl + H2SiO3 = Na2SiO3 + HCl =>
2 NaCl + H2SiO3 = Na2SiO3 + 2 HCl
C6H12O6 + O2 = CO2(g) + H20(l) =>
5 C6H12O6 + 15 O2 = 30 CO2(g) + 3 H20(l)
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Li + HI = LiI + H =>
Li + HI = LiI + H
NaClO3 + HCl = NaCl + H2O + Cl2 =>
NaClO3 + 6 HCl = NaCl + 3 H2O + 3 Cl2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu(CH3CO2)2 + Na2CrO4 = CuCrO4 + Na(CH3CO2) =>
Cu(CH3CO2)2 + Na2CrO4 = CuCrO4 + 2 Na(CH3CO2)
Zn(s) + HCl = ZnCl2(aq) + H2 =>
Zn(s) + 2 HCl = ZnCl2(aq) + H2
KBrO4 + Mn + KOH = KBr + K2MnO4 + H2O =>
3 KBrO4 + 4 Mn + 8 KOH = 3 KBr + 4 K2MnO4 + 4 H2O
CaC2O4 + HNO = Ca(NO) + HCO + NO + HO =>
CaC2O4 + 4 HNO = Ca(NO) + 2 HCO + 3 NO + 2 HO
KOH + NH4Cl = KCl + NH4OH =>
KOH + NH4Cl = KCl + NH4OH
SeO2 + H2O2 = H2O + SeO3 =>
SeO2 + H2O2 = H2O + SeO3
PbO2 + H2C2O4 = PbO + CO2 + H2O =>
PbO2 + H2C2O4 = PbO + 2 CO2 + H2O
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