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H2S(aq) + Li3PO4(aq) = Li2HPO4(aq) + LiHS(aq)
Fe(s) + AgNO3 = Ag + Fe(NO3)3 =>
Fe(s) + 3 AgNO3 = 3 Ag + Fe(NO3)3
(NH4)2SO4*Fe2(SO4)3 + KCNS = K3[Fe(CNS)6] + (NH4)2SO4 + K2SO4 =>
(NH4)2SO4*Fe2(SO4)3 + 12 KCNS = 2 K3[Fe(CNS)6] + (NH4)2SO4 + 3 K2SO4
Mg(OH)2(aq) + H3PO4(aq) = H2O(l) + Mg3(PO4)2(aq) =>
3 Mg(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(l) + Mg3(PO4)2(aq)
Fe{2+} + Cr2O7{2�} + H{+} = Fe{3+} + Cr{3+} + H2O =>
10 Fe{2+} + Cr2O7{2�} + 14 H{+} = 10 Fe{3+} + 2 Cr{3+} + 7 H2O
BeI2 + SrSO4 = BeSO4 + SrI2 =>
BeI2 + SrSO4 = BeSO4 + SrI2
Ni + Na2O = Na + NiO2 =>
Ni + 2 Na2O = 4 Na + NiO2
Cu2 + HNO3 + H3O{+} = Cu2{+} + NO2 + H2O =>
Cu2 + HNO3 + H3O{+} = Cu2{+} + NO2 + 2 H2O
[Ca5(PO4)3(OH)] + H3PO4 + H2O = Ca(H2PO4)2H2O =>
[Ca5(PO4)3(OH)] + 7 H3PO4 + 4 H2O = 5 Ca(H2PO4)2H2O
Cr + H2O = Cr2O72 + H =>
2 Cr + 72 H2O = Cr2O72 + 144 H
Hg + Mg(NO3)2 = Mg + Hg(NO3)2 =>
Hg + Mg(NO3)2 = Mg + Hg(NO3)2
Al2(SO4)3 + Ca(OH)2 = aluminumhydroxide + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Cu(NO3)2 + K2CO3 = CuCO3 + K2(NO3)2 =>
Cu(NO3)2 + K2CO3 = CuCO3 + K2(NO3)2
SO2() + O2() = SO3() =>
2 SO2() + O2() = 2 SO3()
Al2S3 + FeO = Al2O3 + FeS =>
Al2S3 + 3 FeO = Al2O3 + 3 FeS
Mg(s) + Al(NO3)3(aq) = Al + Mg(NO3)2 =>
3 Mg(s) + 2 Al(NO3)3(aq) = 2 Al + 3 Mg(NO3)2
Zn(s) + MgSO4(aq) = ZnSO4(aq) + Mg =>
Zn(s) + MgSO4(aq) = ZnSO4(aq) + Mg
Na2Cr2O7 + Sr(NO3)2 = Na(NO3) + Sr(Cr2O7) =>
Na2Cr2O7 + Sr(NO3)2 = 2 Na(NO3) + Sr(Cr2O7)
NaCl + Fe = FeCl2 + Na =>
2 NaCl + Fe = FeCl2 + 2 Na
HI + NaCl = NaI + HCl =>
HI + NaCl = NaI + HCl
KIO3 + HCl = KI + Cl2 + H2O =>
KIO3 + 6 HCl = KI + 3 Cl2 + 3 H2O
Mg(s) + CH3COOH(aq) = Mg(CH3COO)2(aq) + H2(g) =>
Mg(s) + 2 CH3COOH(aq) = Mg(CH3COO)2(aq) + H2(g)
Mg + H3PO4 = Mg(PO4) + H2 =>
2 Mg + 2 H3PO4 = 2 Mg(PO4) + 3 H2
Mg(s) + Cl2(g) = MgCl2 =>
Mg(s) + Cl2(g) = MgCl2
K2SO3 + KMnO4 + NaOH = K2SO4 + K2MnO4 + Na2MnO4 + H2O =>
K2SO3 + 2 KMnO4 + 2 NaOH = K2SO4 + K2MnO4 + Na2MnO4 + H2O
Ag + S{2-} + O2 + H{+} = Ag2S + H2O =>
4 Ag + 2 S{2-} + O2 + 4 H{+} = 2 Ag2S + 2 H2O
K3P + KIO3 = K3PO4 + KI =>
3 K3P + 4 KIO3 = 3 K3PO4 + 4 KI
C7H14 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C7H14 + 7 K2Cr2O7 + 28 H2SO4 = 7 CO2 + 7 Cr2(SO4)3 + 7 K2SO4 + 35 H2O
Fe3O + C = Fe3 + CO2 =>
2 Fe3O + C = 2 Fe3 + CO2
Mg(s) + Co(NO3)2(g) = Mg(NO3)2(g) + Co(s) =>
Mg(s) + Co(NO3)2(g) = Mg(NO3)2(g) + Co(s)
(CH3)3N + HNO3 = CH3NO3 + NH3 =>
(CH3)3N + 3 HNO3 = 3 CH3NO3 + NH3
AlNO2 + LiOH = LiNO2 + AlOH =>
AlNO2 + LiOH = LiNO2 + AlOH
CoCl2 + NH3 + H2O + O2 = Co(OH)3 + NH4Cl =>
4 CoCl2 + 8 NH3 + 10 H2O + O2 = 4 Co(OH)3 + 8 NH4Cl
Au(NO3)3 + Cu = Cu(NO3)2 + Au(NO3)2 =>
2 Au(NO3)3 + Cu = Cu(NO3)2 + 2 Au(NO3)2
Mg(s) + H2O(l) = Mg(OH)2 + H2(g) =>
Mg(s) + 2 H2O(l) = Mg(OH)2 + H2(g)
[Cu(NH3)4]2 + H2O = [Cu(OH)4]2 + NH4 =>
[Cu(NH3)4]2 + 8 H2O = [Cu(OH)4]2 + 8 NH4
HBr = H + Br5 =>
5 HBr = 5 H + Br5
CO(NH2)2 + NaBrO + NaOH = NaBr + Na2CO3 + H2O + N2 =>
CO(NH2)2 + 3 NaBrO + 2 NaOH = 3 NaBr + Na2CO3 + 3 H2O + N2
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
Mg(s) + HCl = MgCl2 + H2 =>
Mg(s) + 2 HCl = MgCl2 + H2
Mg(s) + P8(s) = Mg3P2(s) =>
12 Mg(s) + P8(s) = 4 Mg3P2(s)
CH3COOH(aq) + K2CO3(s) = (CH3COO)K(aq) + H2O(l) + CO2(g) =>
2 CH3COOH(aq) + K2CO3(s) = 2(CH3COO)K(aq) + H2O(l) + CO2(g)
KCH3CO2 + Na2CrO4 = K2CrO4 + NaCH3CO2 =>
2 KCH3CO2 + Na2CrO4 = K2CrO4 + 2 NaCH3CO2
Mg + CH4 = MgH2 + C =>
2 Mg + CH4 = 2 MgH2 + C
NH3 + O2 = N2O2 + H2O =>
4 NH3 + 5 O2 = 2 N2O2 + 6 H2O
A{-}R + B = A + B{-}R =>
A{-}R + B = A + B{-}R
Zn(OH)2 + NH3 = Zn(NH3)4(OH)2 =>
Zn(OH)2 + 4 NH3 = Zn(NH3)4(OH)2
Sn(SO3) + HNO3 = Sn(NO3)2 + H2O + SO2 =>
Sn(SO3) + 2 HNO3 = Sn(NO3)2 + H2O + SO2
Ca(OH)2(aq) + H2SO4(aq) = H2O(l) + CaSO4() =>
Ca(OH)2(aq) + H2SO4(aq) = 2 H2O(l) + CaSO4()
NaOH + CH3OH + KMnO4 = HCOOH + H2O + NaMnO2 + KOH =>
NaOH + CH3OH + KMnO4 = HCOOH + H2O + NaMnO2 + KOH
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