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3 K4P2O7 + 3 ZnO = 4 K3PO4 + Zn3(PO4)2
BaS(aq) + HNO3(aq) = Ba(NO3)2(aq) + H2S(aq) =>
BaS(aq) + 2 HNO3(aq) = Ba(NO3)2(aq) + H2S(aq)
Ag2C2O4 + H2SO4 = Ag2SO4 + H2C2O4 =>
Ag2C2O4 + H2SO4 = Ag2SO4 + H2C2O4
KI + HClO + CCl4 = KCl + HCl + CO + I2 =>
4 KI + HClO + CCl4 = 4 KCl + HCl + CO + 2 I2
CH5COH + O2 = CO2 + H2O =>
CH5COH + 3 O2 = 2 CO2 + 3 H2O
C4H12 + O14 = C4O8 + H12O6 =>
C4H12 + O14 = C4O8 + H12O6
MgCl + LiOH = MgOH + LiCl =>
MgCl + LiOH = MgOH + LiCl
KBr + O3 + H2O = KOH + Br2 =>
6 KBr + O3 + 3 H2O = 6 KOH + 3 Br2
H2 + Ca(OH) = Ca + H2O =>
H2 + 2 Ca(OH) = 2 Ca + 2 H2O
Ca + Li(ClO3) = CaClO3 + Li =>
Ca + Li(ClO3) = CaClO3 + Li
Au + H2SO4 = Au2(SO4) + H2 =>
2 Au + H2SO4 = Au2(SO4) + H2
CuCl2(aq) + Na2CO3(aq) = CuCO3(s) + NaCl(s) =>
CuCl2(aq) + Na2CO3(aq) = CuCO3(s) + 2 NaCl(s)
K2S + AuCl3 = KCl + Au2S3 =>
3 K2S + 2 AuCl3 = 6 KCl + Au2S3
Ca(OH)2 + H2S = CaH2 + S(OH)2 =>
Ca(OH)2 + H2S = CaH2 + S(OH)2
C6H4(OH)2 + H2O2 = C6H4O2 + H2O =>
C6H4(OH)2 + H2O2 = C6H4O2 + 2 H2O
KOH + AgCl = KCl + Ag + O2 + H2O =>
4 KOH + 4 AgCl = 4 KCl + 4 Ag + O2 + 2 H2O
Tc(OH)7 + H2SiO3 = Tc2(SiO3)7 + H2O =>
2 Tc(OH)7 + 7 H2SiO3 = Tc2(SiO3)7 + 14 H2O
K + Ni(CN)2 = K(CN)2 + Ni =>
K + Ni(CN)2 = K(CN)2 + Ni
RbCl(s) = Rb(s) + Cl2(g) =>
2 RbCl(s) = 2 Rb(s) + Cl2(g)
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Ag + (NH4)2S = Ag2S + NH4 =>
2 Ag + (NH4)2S = Ag2S + 2 NH4
Mg3B2 + HCl = BCl3 + MgH2 =>
Mg3B2 + 6 HCl = 2 BCl3 + 3 MgH2
H3N + NaCl = Na3N + HCl =>
H3N + 3 NaCl = Na3N + 3 HCl
PbC2O4 + CH3COOH = Pb(CH3COO)2 + H2C2O4 =>
PbC2O4 + 2 CH3COOH = Pb(CH3COO)2 + H2C2O4
Mn2O7 + HNO3 = Mn(NO3)7 + H2O =>
Mn2O7 + 14 HNO3 = 2 Mn(NO3)7 + 7 H2O
AXY3 = AXY2 + Y2 =>
2 AXY3 = 2 AXY2 + Y2
BaCl2 + Al = AlCl + Ba =>
BaCl2 + 2 Al = 2 AlCl + Ba
Ag + Pb2NO3 = AgNO3 + Pb =>
Ag + Pb2NO3 = AgNO3 + 2 Pb
Cr2(SO4)3 + NH4CO3 = Cr(CO3)3 + (NH4)2SO4 =>
Cr2(SO4)3 + 6 NH4CO3 = 2 Cr(CO3)3 + 3(NH4)2SO4
C6H11CH3 + O2 = H2O + CO2 =>
2 C6H11CH3 + 21 O2 = 14 H2O + 14 CO2
KPO4 + Pb(NO3)2 = Pb(PO4)2 + KNO3 =>
2 KPO4 + Pb(NO3)2 = Pb(PO4)2 + 2 KNO3
C4H9Br = C4H8 + BrH =>
C4H9Br = C4H8 + BrH
CrCl3 + Ba(OH)2 = BaCl2 + Ba3[Cr(OH)6]2 =>
2 CrCl3 + 6 Ba(OH)2 = 3 BaCl2 + Ba3[Cr(OH)6]2
Zn{+2} + e = Zn =>
Zn{+2} + 2e = Zn
NaCl + Pb(No3)2 = NaNo3 + PbCl2 =>
2 NaCl + Pb(No3)2 = 2 NaNo3 + PbCl2
Zn + FeCl2 = Zn2Cl2 + Fe =>
2 Zn + FeCl2 = Zn2Cl2 + Fe
C2H2 + HCl = C2H4Cl2 =>
C2H2 + 2 HCl = C2H4Cl2
MnO2{-} + I{-} + H{+} = Mn{2+} + I2 + H2O =>
2 MnO2{-} + 2 I{-} + 8 H{+} = 2 Mn{2+} + I2 + 4 H2O
BaNO3 + Al2O3 = Ba2O + Al(NO3)3 =>
6 BaNO3 + Al2O3 = 3 Ba2O + 2 Al(NO3)3
K2Cr2O7 + H2SO4 = Cr2(SO4)3 + O2 + H2O + K2SO4 =>
2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 3 O2 + 8 H2O + 2 K2SO4
P + NO2 = P2O5 + N2 =>
8 P + 10 NO2 = 4 P2O5 + 5 N2
HBrO2 + HBr = H2O + Br2 =>
HBrO2 + 3 HBr = 2 H2O + 2 Br2
KS = K + S =>
KS = K + S
HCOOH + Co = (HCOO)Co + H2 =>
2 HCOOH + 2 Co = 2(HCOO)Co + H2
Fe + K2S2O8 = K2FeO4 + SO2 =>
Fe + K2S2O8 = K2FeO4 + 2 SO2
MnCl2 + SrS = MnS + SrCl2 =>
MnCl2 + SrS = MnS + SrCl2
Po(NO3)4 = PoO2 + O2 + NO2 =>
Po(NO3)4 = PoO2 + O2 + 4 NO2
Fe + NH4OH = Fe2O3 + NH4(s) + H2O =>
2 Fe + 6 NH4OH = Fe2O3 + 6 NH4(s) + 3 H2O
Mg + N2 = MgN23 =>
2 Mg + 23 N2 = 2 MgN23
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