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Ni + 2 S = NiS2
Fe + O2 + KOH = KFeO2 + H2 =>
2 Fe + O2 + 2 KOH = 2 KFeO2 + H2
KH2PO2 + NiSO4 + H2O = Ni + KH2PO3 + H2SO4 =>
KH2PO2 + NiSO4 + H2O = Ni + KH2PO3 + H2SO4
CrO2Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
CrO2Cl2 + 4 NaOH = Na2CrO4 + 2 NaCl + 2 H2O
Sn + Fe(NO3)3 = Sn(NO3)2 + Fe =>
3 Sn + 2 Fe(NO3)3 = 3 Sn(NO3)2 + 2 Fe
Ba(OH)2 + H2O = Ba(H3O) + OH =>
Ba(OH)2 + 2 H2O = Ba(H3O) + 3 OH
HCl + KNO3 = KCl + HNO3 =>
HCl + KNO3 = KCl + HNO3
K2SO3 + Na2SiO3 = K2SiO3 + Na2SO3 =>
K2SO3 + Na2SiO3 = K2SiO3 + Na2SO3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
Ni3(PO4)2 + H2SO4 = NiSO4 + H3PO4 =>
Ni3(PO4)2 + 3 H2SO4 = 3 NiSO4 + 2 H3PO4
(Ag)2O = Ag + O2 =>
2(Ag)2O = 4 Ag + O2
Ba + O2 = BaO2 =>
Ba + O2 = BaO2
H{+} + (MnO4){-} + (HCN) + (I){-} = ICN + H2O + (Mn)2{+} =>
19 H{+} + 4(MnO4){-} + 13(HCN) + 13(I){-} = 13 ICN + 16 H2O + 2(Mn)2{+}
(CH3)3CNH + H2O = OH + (CH3)3CNH2 =>
(CH3)3CNH + H2O = OH + (CH3)3CNH2
Fe2(g)O3(g) + C(g)O(g) = Fe(g) + C(g)O2(g) =>
Fe2(g)O3(g) + 3 C(g)O(g) = 2 Fe(g) + 3 C(g)O2(g)
Fe3 + O + C = FeOC =>
Fe3 + 3 O + 3 C = 3 FeOC
BaCrO4 + Pb(NO3)2 = Ba(NO3)2 + PbCrO4 =>
BaCrO4 + Pb(NO3)2 = Ba(NO3)2 + PbCrO4
K3[Fe(CN)6] + ZnSO4 + KI = K2Zn[Fe(CN)6] + I2 + K2SO4 =>
2 K3[Fe(CN)6] + 2 ZnSO4 + 2 KI = 2 K2Zn[Fe(CN)6] + I2 + 2 K2SO4
NO + NaOH + H2O2 = NaNO2 + H2O =>
2 NO + 2 NaOH + H2O2 = 2 NaNO2 + 2 H2O
LiH + BCl3 = LiBH4 + LiCl =>
4 LiH + BCl3 = LiBH4 + 3 LiCl
AcOH + NaOH = NaAc + HO =>
AcOH + NaOH = NaAc + 2 HO
Z + S2 = ZS =>
2 Z + S2 = 2 ZS
C2H5OH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + CH3COH =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 7 H2O + 3 CH3COH
CH3CH3 + O2 = CO2 + H2O = =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
HBrO4 + Ca = Ca(BrO4)2 + H2 =>
2 HBrO4 + Ca = Ca(BrO4)2 + H2
Cu(NO3)2(aq) + Cl(aq) + NO2(aq) = CuNO2(aq) + Cl(NO3)2(aq) =>
Cu(NO3)2(aq) + Cl(aq) + NO2(aq) = CuNO2(aq) + Cl(NO3)2(aq)
Cl1 + NaI = NaCl + I2 =>
2 Cl1 + 2 NaI = 2 NaCl + I2
Be(OH)2 + H2(SO4) = BeSO4 + H2O =>
Be(OH)2 + H2(SO4) = BeSO4 + 2 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Mn2Na2MgCaClNS5C122O39H175 + MgO2 = Mn2Na2Mg2CaClNS5C122O41H175 =>
Mn2Na2MgCaClNS5C122O39H175 + MgO2 = Mn2Na2Mg2CaClNS5C122O41H175
NaClO + KOH = KClO + NaOH =>
NaClO + KOH = KClO + NaOH
CH3COOH + NaCl = HCl + CH3COONa =>
CH3COOH + NaCl = HCl + CH3COONa
B2O3 + HNO3 = B(NO3)3 + H2O =>
B2O3 + 6 HNO3 = 2 B(NO3)3 + 3 H2O
H2PO4 + NH3 = PO4H3 + H2N =>
H2PO4 + NH3 = PO4H3 + H2N
Co3O4(s) + C(s) = Co(s) + CO2(g) =>
Co3O4(s) + 2 C(s) = 3 Co(s) + 2 CO2(g)
NO2(g) = N2O4(g) = NO2(g) + NO2 = N2O4 =>
2 NO2(g) = N2O4(g)
PbCl2(aq) + MgSO4(aq) = PbSO4(l) + MgCl2(aq) =>
PbCl2(aq) + MgSO4(aq) = PbSO4(l) + MgCl2(aq)
KClO3 + KI + H2O = KCl + I2 + KOH =>
KClO3 + 6 KI + 3 H2O = KCl + 3 I2 + 6 KOH
Al + F2 = AlF3 = =>
2 Al + 3 F2 = 2 AlF3
Ar + O2 = Ar2O =>
4 Ar + O2 = 2 Ar2O
Al + CO = Al2O3 + C =>
2 Al + 3 CO = Al2O3 + 3 C
Zn{2+} + HCl = ZnCl2 + H{+} =>
Zn{2+} + 2 HCl = ZnCl2 + 2 H{+}
Ca + NH3 = CaH2 + Ca3N2 =>
6 Ca + 2 NH3 = 3 CaH2 + Ca3N2
NH3C = NH3 + C =>
NH3C = NH3 + C
C2H4O + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C2H4O + 2 KMnO4 + 3 H2SO4 = 5 CH3COOH + K2SO4 + 2 MnSO4 + 3 H2O
LiOHCH3CH2COOH = H2OCH3CH2COOLi =>
LiOHCH3CH2COOH = H2OCH3CH2COOLi
KCN + Fe2(CO3)3 = Fe(CN)3 + K2CO3 =>
6 KCN + Fe2(CO3)3 = 2 Fe(CN)3 + 3 K2CO3
Fe{3+} + H2O = Fe(H2O)6{3+} =>
Fe{3+} + 6 H2O = Fe(H2O)6{3+}
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
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