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8 Fe + 15 H2SO4 = 4 Fe2(SO4)3 + 3 H2S + 12 H2O
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2 =>
Cu(NO3)2 + Na2S = CuS + Na2(NO3)2
NaCl + H2SO4 = Na2SO4(aq) + HCl(aq) =>
2 NaCl + H2SO4 = Na2SO4(aq) + 2 HCl(aq)
CH1 + NaOH = NaC1 + H2O =>
CH1 + NaOH = NaC1 + H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Ba + N2 = Ba3N =>
6 Ba + N2 = 2 Ba3N
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
F2 + NaBr = NaF + Br2 =>
F2 + 2 NaBr = 2 NaF + Br2
AgNO3 + K3O4P = Ag3PO4 + KNO3 =>
3 AgNO3 + K3O4P = Ag3PO4 + 3 KNO3
[Co(NH3)6]Cl2 + KOH + H2O = Co(OH)2 + KCl + NH4OH =>
[Co(NH3)6]Cl2 + 2 KOH + 6 H2O = Co(OH)2 + 2 KCl + 6 NH4OH
H2NCH2COOH + CH3OH = H2NCH2COOCH3 + H2O =>
H2NCH2COOH + CH3OH = H2NCH2COOCH3 + H2O
CaCl + K(OH) = Ca(OH) + KCl =>
CaCl + K(OH) = Ca(OH) + KCl
H3PO4 + CaOH = H2O + Ca(H2PO4) =>
H3PO4 + CaOH = H2O + Ca(H2PO4)
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Ca3(PO4)2 + Ca(OH)2 = Ca10(PO4)6(OH)2 =>
3 Ca3(PO4)2 + Ca(OH)2 = Ca10(PO4)6(OH)2
N2S2O3 + HCl = NCl + SO2 + S + H2O =>
N2S2O3 + 2 HCl = 2 NCl + SO2 + S + H2O
Hg(NO3)2(aq) + KI(aq) = HgI2(s) + KNO3(aq) =>
Hg(NO3)2(aq) + 2 KI(aq) = HgI2(s) + 2 KNO3(aq)
Na3[SbCl6] + H2O = SbOCl + NaCl + HCl =>
Na3[SbCl6] + H2O = SbOCl + 3 NaCl + 2 HCl
P + Q2 = P3Q =>
6 P + Q2 = 2 P3Q
KF + BaBr2 = BaF2 + KBr =>
2 KF + BaBr2 = BaF2 + 2 KBr
Ag + Cl{-} = AgCl + e =>
Ag + Cl{-} = AgCl + e
FeS + H2O = FeOH + HS =>
FeS + H2O = FeOH + HS
H3PO4 + NH4OH = H4O2 + (NH4)3PO4 =>
2 H3PO4 + 6 NH4OH = 3 H4O2 + 2(NH4)3PO4
CH3COO + H2S = CH3COOH + S2 =>
4 CH3COO + 2 H2S = 4 CH3COOH + S2
Ag2CO3(s) = Ag(s) + CO2(g) + O2(g) =>
2 Ag2CO3(s) = 4 Ag(s) + 2 CO2(g) + O2(g)
C2H2H2 = C4H8 =>
2 C2H2H2 = C4H8
Na3PO4(aq) + Co(NO3)2(aq) = Co3PO4(s) + Na(NO3)2(aq) =>
Na3PO4(aq) + 3 Co(NO3)2(aq) = Co3PO4(s) + 3 Na(NO3)2(aq)
CaBr2 + H2S = CaS + HBr =>
CaBr2 + H2S = CaS + 2 HBr
K2Cr2O7 + Fe + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 2 Fe + 7 H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + 7 H2O
C6H4OOH5 + O2 = CO2 + H2O =>
4 C6H4OOH5 + 29 O2 = 24 CO2 + 18 H2O
HClAgNO3 = HAgClNO3 =>
HClAgNO3 = HAgClNO3
C2H2OH + O2 = CO2 + H2OH =>
C2H2OH + 2 O2 = 2 CO2 + H2OH
Al + HO{-} + H2O = Al(OH)4{-} + H2 =>
2 Al + 2 HO{-} + 6 H2O = 2 Al(OH)4{-} + 3 H2
O2 = O =>
O2 = 2 O
(NH4)2CO3 + O2 = (NH4)2O + CO3 =>
2(NH4)2CO3 + O2 = 2(NH4)2O + 2 CO3
FeS(s) + HBr = FeBr2(ac) + H2S(g) =>
FeS(s) + 2 HBr = FeBr2(ac) + H2S(g)
KCr2O2 + Br2 + KOH = KBr + H2O + K2CrO4 =>
2 KCr2O2 + 9 Br2 + 24 KOH = 18 KBr + 12 H2O + 4 K2CrO4
Na2C2O* + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + H2O + CO2 =>
5 Na2C2O* + 8 KMnO4 + 17 H2SO4 = 4 K2SO4 + 5 Na2SO4 + 8 MnSO4 + 17 H2O + 10 CO2
Ca + SO2 = Ca3S4 + O2 =>
3 Ca + 4 SO2 = Ca3S4 + 4 O2
Ni(NO3)2 + NH3 = HNO3 + Ni3N2 =>
3 Ni(NO3)2 + 2 NH3 = 6 HNO3 + Ni3N2
(NO3)2(aq) + Na2S(aq) = S(s) + NaNO3(aq) =>
(NO3)2(aq) + Na2S(aq) = S(s) + 2 NaNO3(aq)
N2H4(l) + N2O(l) = N2(g) + H2O(g) =>
N2H4(l) + 2 N2O(l) = 3 N2(g) + 2 H2O(g)
Na2SO3 + H2SO4 + K2CrO4 = Na2SO4 + Cr2(SO4)2 + K2SO4 + H2O =>
4 Na2SO3 + 4 H2SO4 + 2 K2CrO4 = 4 Na2SO4 + Cr2(SO4)2 + 2 K2SO4 + 4 H2O
CH3CH2COH + Cu(OH)2 = CH3CH2COOH + Cu2O + H2O =>
CH3CH2COH + 2 Cu(OH)2 = CH3CH2COOH + Cu2O + 2 H2O
H2SO4 + LiOH = HLi(SO4) + H2O =>
H2SO4 + LiOH = HLi(SO4) + H2O
MnSO4 + HClO3 + H2O = MnO(OH)2 + Cl2 + H2SO4 =>
5 MnSO4 + 2 HClO3 + 9 H2O = 5 MnO(OH)2 + Cl2 + 5 H2SO4
KMnO4 + Na2S2O3 + KOH = K2MnO4 + Na2SO4 + K2SO4 + H2O =>
8 KMnO4 + Na2S2O3 + 10 KOH = 8 K2MnO4 + Na2SO4 + K2SO4 + 5 H2O
P4(s) + NaOH(aq) + H2O(l) = PH3(g) + Na2HPO3(aw) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g) + 2 Na2HPO3(aw)
C3H8 + H2O = H2 + CO2 =>
C3H8 + 6 H2O = 10 H2 + 3 CO2
NaBr + Ca(OH)2 = NaOH + CaBr2 =>
2 NaBr + Ca(OH)2 = 2 NaOH + CaBr2
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