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H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
SO4{2-} + I{-} + H{+} = I2{-} + H2S + H2O =>
SO4{2-} + 16 I{-} + 10 H{+} = 8 I2{-} + H2S + 4 H2O
Mg + Al(C2H302)3 = Al + Mg(C2H302) =>
3 Mg + Al(C2H302)3 = Al + 3 Mg(C2H302)
K2CrO4 + S(NH4)2 + H2O = Cr(OH)3 + S + NH3 + KOH =>
2 K2CrO4 + 3 S(NH4)2 + 2 H2O = 2 Cr(OH)3 + 3 S + 6 NH3 + 4 KOH
(NH4)2Fe(SO4)2 + H2O2 + H2SO4 = NH4Fe(SO4)2 + (NH4)2SO4 + H2O =>
2(NH4)2Fe(SO4)2 + H2O2 + H2SO4 = 2 NH4Fe(SO4)2 + (NH4)2SO4 + 2 H2O
COBr2(g) = CO(g) + Br2(g) =>
COBr2(g) = CO(g) + Br2(g)
H2SO4 + CoW12O40 + HWO3 = CoSO4 + H2CoW11O40 + WO3 =>
3 H2SO4 + 7 CoW12O40 + 2 HWO3 = 3 CoSO4 + 4 H2CoW11O40 + 42 WO3
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Ba(CH3COO)2 + ZnSO4 = BaSO4 + Zn(CH3COO)2 =>
Ba(CH3COO)2 + ZnSO4 = BaSO4 + Zn(CH3COO)2
Ba{2+} + SO4{2-} = BaSO4 =>
Ba{2+} + SO4{2-} = BaSO4
PB(NO3)2 + HCl = PBCl2(s) + HNO3(aq) =>
PB(NO3)2 + 2 HCl = PBCl2(s) + 2 HNO3(aq)
O5 = O9 =>
9 O5 = 5 O9
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HBr(g) = H(g) + Br(g) =>
HBr(g) = H(g) + Br(g)
K2CrO4 + KOH + H2S = K3CrO3 + K2SO4 + H2O =>
8 K2CrO4 + 14 KOH + 3 H2S = 8 K3CrO3 + 3 K2SO4 + 10 H2O
SnCl4 + H3PO4 = Sn3(PO4)4 + HCl =>
3 SnCl4 + 4 H3PO4 = Sn3(PO4)4 + 12 HCl
C3H8 + Br2 = C3H7 + HBr =>
2 C3H8 + Br2 = 2 C3H7 + 2 HBr
Cl2 + NiBr3 = Cl3Ni + Br2 =>
3 Cl2 + 2 NiBr3 = 2 Cl3Ni + 3 Br2
CuCl2 = Cl2 + Cu =>
CuCl2 = Cl2 + Cu
Sn + Cu = SnCu =>
Sn + Cu = SnCu
FeI3 + KSCN = KI3 + FeSCN =>
FeI3 + KSCN = KI3 + FeSCN
Mg + ZnO = MgO + Zn =>
Mg + ZnO = MgO + Zn
HgCl2 + Na2S = HgS + NaCl =>
HgCl2 + Na2S = HgS + 2 NaCl
CaCO3 = Ca + CO3 =>
CaCO3 = Ca + CO3
MgCl2NH3 = Mg(NH3)Cl2 =>
MgCl2NH3 = Mg(NH3)Cl2
CH3CO2H + O2 = CH3CO2 + H2O =>
4 CH3CO2H + O2 = 4 CH3CO2 + 2 H2O
CFBr = CBrF =>
CFBr = CBrF
BiCl3 + H2S = Bi2S3(s) + HCl =>
2 BiCl3 + 3 H2S = Bi2S3(s) + 6 HCl
KOH + J2 = KJ + KJO3 + H2O =>
6 KOH + 3 J2 = 5 KJ + KJO3 + 3 H2O
Mg + HMnO4 = MgMnO4 + H2 =>
2 Mg + 2 HMnO4 = 2 MgMnO4 + H2
CH3CH2CH2CH2OH + NaOH = CH3CHOHCH2CH2OH + NaH =>
CH3CH2CH2CH2OH + NaOH = CH3CHOHCH2CH2OH + NaH
RCHO + AgOH + NH4OH = RCOONH4 + H2O + Ag =>
RCHO + 2 AgOH + NH4OH = RCOONH4 + 2 H2O + 2 Ag
ZnO + Ba = ZnBa + O2 =>
2 ZnO + 2 Ba = 2 ZnBa + O2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaHH2O = NaOH + H2 =>
NaHH2O = NaOH + H2
FeBr3 + Br2 = FeBr4 =>
2 FeBr3 + Br2 = 2 FeBr4
Ag3AsO3 + NH4OH = (NH4)3AsO3 + AgOH =>
Ag3AsO3 + 3 NH4OH = (NH4)3AsO3 + 3 AgOH
SrCO3 + HCl = SrCl2 + CO2H2O =>
SrCO3 + 2 HCl = SrCl2 + CO2H2O
H + CuSO4 = Cu + H2SO4 =>
2 H + CuSO4 = Cu + H2SO4
P2S3 + NaClO3 + H2O + NH3 = NH4PO3 + NH4HSO4 + NaCl =>
3 P2S3 + 14 NaClO3 + 12 H2O + 15 NH3 = 6 NH4PO3 + 9 NH4HSO4 + 14 NaCl
CH2CH2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CH3COOH =>
5 CH2CH2 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 6 H2O + 5 CH3COOH
CH3COOH + KMnO4 + KI = I2 + MnCH3COO + CH3COOK + HOH =>
8 CH3COOH + KMnO4 + 6 KI = 3 I2 + MnCH3COO + 7 CH3COOK + 4 HOH
K2Zn(OH)4 + H2S = Zn(OH)2 + KHS + H2O =>
K2Zn(OH)4 + 2 H2S = Zn(OH)2 + 2 KHS + 2 H2O
Ba + HF = BaF2 + H =>
Ba + 2 HF = BaF2 + 2 H
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
KMnO4 + H2SO4(aq) + H2O2 = HMnO4 + KSO4 + H2O =>
2 KMnO4 + 2 H2SO4(aq) + H2O2 = 2 HMnO4 + 2 KSO4 + 2 H2O
Ag(s) + HNO3(s) = AgNO3 + H2 =>
2 Ag(s) + 2 HNO3(s) = 2 AgNO3 + H2
HCO3 + H3O = H2CO3 + OH =>
2 HCO3 + H3O = 2 H2CO3 + OH
K + H2SO4 = K2SO4 + SO2 + H2O =>
2 K + 2 H2SO4 = K2SO4 + SO2 + 2 H2O
NH4HSO4 + K[Al(OH)4] = (NH4)2SO4 + K2SO4 + Al2(SO4)3 + H2O =>
8 NH4HSO4 + 2 K[Al(OH)4] = 4(NH4)2SO4 + K2SO4 + Al2(SO4)3 + 8 H2O
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