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Na2S + Ca(OH)2 = CaS + 2 NaOH
CuO + Cr = Cr2O7 + Cu =>
7 CuO + 2 Cr = Cr2O7 + 7 Cu
S + OH{-} = S42{-} + SO32{-} + H2O =>
2647 S + 64 OH{-} = 63 S42{-} + SO32{-} + 32 H2O
Mg2(SeO4)7 + H4SiO4 = Mg4(SiO4)7 + H2SeO4 =>
2 Mg2(SeO4)7 + 7 H4SiO4 = Mg4(SiO4)7 + 14 H2SeO4
Ca(OH)2 + H2SiO3 = Ca(HSiO3)2 + H2O =>
Ca(OH)2 + 2 H2SiO3 = Ca(HSiO3)2 + 2 H2O
Al + KOH + KNO3 + H2O = K(Al(OH)4) + NH3 =>
8 Al + 5 KOH + 3 KNO3 + 18 H2O = 8 K(Al(OH)4) + 3 NH3
Zn(s) + HCl(aq) = ZnCl2 + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2 + H2(g)
PbO2H2 = PbO + H2O =>
PbO2H2 = PbO + H2O
H4C6H4O6 + NaOH = H2O + Na4C6H4O6 =>
H4C6H4O6 + 4 NaOH = 4 H2O + Na4C6H4O6
HNO3 + Fe(OH)3 = HOH + Fe(NO3)3 =>
3 HNO3 + Fe(OH)3 = 3 HOH + Fe(NO3)3
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
H2O + O2(g) = H2O2 =>
2 H2O + O2(g) = 2 H2O2
Pb(NO)3(aq) + Na2S(aq) = PbS(s) + Na2(NO)3(aq) =>
Pb(NO)3(aq) + Na2S(aq) = PbS(s) + Na2(NO)3(aq)
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
(NH4)6Mo7O24 + NiSO4*7H2O + (NH4)2S2O8 + H2O = (NH4)6NiMo9O32*13H2O + (NH4)2SO4 + H2SO4 =>
9(NH4)6Mo7O24 + 7 NiSO4*7H2O + 7(NH4)2S2O8 + 50 H2O = 7(NH4)6NiMo9O32*13H2O + 13(NH4)2SO4 + 8 H2SO4
P4(g) + I2(g) + H2O(l) = H3PO4(aq) + HI(g) =>
P4(g) + 10 I2(g) + 16 H2O(l) = 4 H3PO4(aq) + 20 HI(g)
Mn(CH3COO)2 + H2O = Mn(OH)2 + CH3COOH =>
Mn(CH3COO)2 + 2 H2O = Mn(OH)2 + 2 CH3COOH
Zn + MgO3 = Mg2O3 + ZnO =>
3 Zn + 2 MgO3 = Mg2O3 + 3 ZnO
Ni(NO3)2 + Na2HPO4 = NiHPO4 + NaNO3 =>
Ni(NO3)2 + Na2HPO4 = NiHPO4 + 2 NaNO3
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
Mg + LiSO4 = Mg(SO4) + Li =>
Mg + LiSO4 = Mg(SO4) + Li
SO2 + H2O = SH + OH =>
SO2 + 3 H2O = SH + 5 OH
CuSO4*5H2O + NH2CH2CO2H = Cu(NH2CH2CO2H)2 + SO4 + H2O =>
CuSO4*5H2O + 2 NH2CH2CO2H = Cu(NH2CH2CO2H)2 + SO4 + 5 H2O
K4[Fe(CN)6] + Pb(CH3COO)2 = Pb4[Fe(CN)6] + K(CH3COO)2 =>
K4[Fe(CN)6] + 4 Pb(CH3COO)2 = Pb4[Fe(CN)6] + 4 K(CH3COO)2
KBrO(aq) = KBr(aq) + KBrO3(aq) =>
3 KBrO(aq) = 2 KBr(aq) + KBrO3(aq)
HBr + S = Br + H2S =>
2 HBr + S = 2 Br + H2S
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
LiNO3 + PbS = Pb(NO3)2 + Li2S =>
2 LiNO3 + PbS = Pb(NO3)2 + Li2S
CuI(s) = Cu + I =>
CuI(s) = Cu + I
HBz = Bz + H =>
HBz = Bz + H
Cl + O = Cl3O2 =>
3 Cl + 2 O = Cl3O2
LiOH + H2 + SO4 = LiSO4 + H2O =>
2 LiOH + H2 + 2 SO4 = 2 LiSO4 + 2 H2O
C6H3ClN2O4 + CH3OH + NaOH = C7H6N2O5 + NaCl + H2O =>
C6H3ClN2O4 + CH3OH + NaOH = C7H6N2O5 + NaCl + H2O
KCr2O4 + HCl = KCl + CrCl3 + HOH + Cl2 =>
2 KCr2O4 + 16 HCl = 2 KCl + 4 CrCl3 + 8 HOH + Cl2
ZnF2 + CaCl2 = ZnCl2 + CaF2 =>
ZnF2 + CaCl2 = ZnCl2 + CaF2
Zn3 + P2 + H2O = Zn{2+} + OH{-} + PH3 =>
Zn3 + P2 + 6 H2O = 3 Zn{2+} + 6 OH{-} + 2 PH3
Li + NaClO3 = Na + LiClO3 =>
Li + NaClO3 = Na + LiClO3
CuO(s) + C(s) = Cu(s) + CO2(g) =>
2 CuO(s) + C(s) = 2 Cu(s) + CO2(g)
NaClO3 + N2H4 = NaCl + N2 + H2O =>
2 NaClO3 + 3 N2H4 = 2 NaCl + 3 N2 + 6 H2O
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
CU{2+} + Mg = CU + Mg{2+} =>
CU{2+} + Mg = CU + Mg{2+}
MgAl + NaOH = H2 + MgO + Na + Al =>
2 MgAl + 2 NaOH = H2 + 2 MgO + 2 Na + 2 Al
K2[Zn(OH)4]ZnCl2 = Zn(OH)2KCl =>
K2[Zn(OH)4]ZnCl2 = 2 Zn(OH)2KCl
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
K2CO3 + HBr = KBr + CO2 + H2O =>
K2CO3 + 2 HBr = 2 KBr + CO2 + H2O
CH2 + [Cu(NH3)2]Cl = CCu2 + NH4Cl + NH3 =>
CH2 + 2[Cu(NH3)2]Cl = CCu2 + 2 NH4Cl + 2 NH3
Al2(SO4)3 + Ba(OH)2 = Al(OH)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaSO4
KCl + CaO = CaCl2 + K2O =>
2 KCl + CaO = CaCl2 + K2O
H2S(g) + O2(g) = SO2(g) + H2O(g) =>
2 H2S(g) + 3 O2(g) = 2 SO2(g) + 2 H2O(g)
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
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