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2 Rb + 2 HBr = 2 RbBr + H2
K + HNO3 = KNO3 + NO2 + H2O =>
K + 2 HNO3 = KNO3 + NO2 + H2O
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
ZnBr2 + (NH4)2CO3 = ZnCO3 + (NH4)2Br2 =>
ZnBr2 + (NH4)2CO3 = ZnCO3 + (NH4)2Br2
Si + O2 = SiO2 =>
Si + O2 = SiO2
CH2CH2 + HCl = CH2ClCH2Cl + H2 =>
CH2CH2 + 2 HCl = CH2ClCH2Cl + H2
C4H6O5 + NaOH = C4H4O5 + Na + H2O =>
C4H6O5 + 2 NaOH = C4H4O5 + 2 Na + 2 H2O
H3PO4 + NaNO2 = HNO2 + Na3PO4 =>
H3PO4 + 3 NaNO2 = 3 HNO2 + Na3PO4
Ag2SO4 + Ca(NO3)2 = AgNO3 + CaSO4 =>
Ag2SO4 + Ca(NO3)2 = 2 AgNO3 + CaSO4
Ba(NO3)2 + NH2SO3H + H2O = BaSO4 + NH4NO3 + HNO3 =>
Ba(NO3)2 + NH2SO3H + H2O = BaSO4 + NH4NO3 + HNO3
Ag(NH3)2 + KBr = AgBr + K + NH3 =>
Ag(NH3)2 + KBr = AgBr + K + 2 NH3
H3PO4 + LiOH = Li3PO4 + HOH =>
H3PO4 + 3 LiOH = Li3PO4 + 3 HOH
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
HCl(g) + NH4OH(g) = H2O(l) + NH4Cl(aq) =>
HCl(g) + NH4OH(g) = H2O(l) + NH4Cl(aq)
Ne + H2 = NeH =>
2 Ne + H2 = 2 NeH
Na2O + P4O10 = Na3PO4 =>
6 Na2O + P4O10 = 4 Na3PO4
Sr(NO3)2 + Fe(NO3)3*9H2O + C6H8O7 = SrFe12O19 + NO2 + CO2 + H2O =>
9 Sr(NO3)2 + 108 Fe(NO3)3*9H2O + 19 C6H8O7 = 9 SrFe12O19 + 342 NO2 + 114 CO2 + 1048 H2O
C6H14 + Cl = C6H14Cl =>
C6H14 + Cl = C6H14Cl
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
Pb + CH3COOH = (CH3COO)2Pb + H2 =>
Pb + 2 CH3COOH = (CH3COO)2Pb + H2
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
SO2(g) + H2O = H2SO3(aq) =>
SO2(g) + H2O = H2SO3(aq)
KMnO4 + HCl + Co = CoCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl + 5 Co = 5 CoCl2 + 2 MnCl2 + 2 KCl + 8 H2O
Ag2SO3 + H3PO4 = Ag3PO4 + SO2 + H2O =>
3 Ag2SO3 + 2 H3PO4 = 2 Ag3PO4 + 3 SO2 + 3 H2O
F2 + NaCl = Cl2 + NaF =>
F2 + 2 NaCl = Cl2 + 2 NaF
NH3 + P = PH3 + N2H4 =>
6 NH3 + 2 P = 2 PH3 + 3 N2H4
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)(aq) + Mg(s) =>
2 Cu(s) + Mg(NO3)2(aq) = 2 Cu(NO3)(aq) + Mg(s)
NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O
NaO + HCl = NaCl + HO =>
NaO + HCl = NaCl + HO
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
Fe(HO)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(HO)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
CaCO3 + C2H4O2 = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 C2H4O2 = Ca(CH3COO)2 + CO2 + H2O
SiH4 + N2O = SiO2 + NH =>
SiH4 + 2 N2O = SiO2 + 4 NH
H2O + S2{-} + MnO4{-} = S + MnS + OH{-} =>
4 H2O + 7 S2{-} + MnO4{-} = 13 S + MnS + 8 OH{-}
(NH4)3PO4 + Ca(ClO3)2 = NH4ClO3 + Ca3(PO4)2 =>
2(NH4)3PO4 + 3 Ca(ClO3)2 = 6 NH4ClO3 + Ca3(PO4)2
I{-} + BrO3{-} + H2O = Br2 + I2 + OH{-} =>
10 I{-} + 2 BrO3{-} + 6 H2O = Br2 + 5 I2 + 12 OH{-}
SO3 + KOH = KO3 + SOH =>
SO3 + KOH = KO3 + SOH
CF4 + Br = CBr4 + F2 =>
CF4 + 4 Br = CBr4 + 2 F2
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
C6H6 + C2H5Cl = C6H5Cl + C2H6 =>
C6H6 + C2H5Cl = C6H5Cl + C2H6
P(s) + S(s) = P2S5(s) =>
2 P(s) + 5 S(s) = P2S5(s)
Ca(NO3)2 + NaHCO3 = Ca(HCO3)2 + NaNO3 =>
Ca(NO3)2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaNO3
KHSO3 + HNO3 = KNO3 + SO2 + H2O =>
KHSO3 + HNO3 = KNO3 + SO2 + H2O
HCl + C = C10H16 + Cl2 =>
16 HCl + 10 C = C10H16 + 8 Cl2
N2H4 + I2 + H2O = N2 + I{-} + H3O{+} =>
N2H4 + 2 I2 + 4 H2O = N2 + 4 I{-} + 4 H3O{+}
Sr(OH)2 + Na2(SO4) = SrSO4 + NaOH =>
Sr(OH)2 + Na2(SO4) = SrSO4 + 2 NaOH
K2Cr2O7 + C12H22O11 = Cr2O3 + K2CO3 + CO2 + H2O =>
8 K2Cr2O7 + C12H22O11 = 8 Cr2O3 + 8 K2CO3 + 4 CO2 + 11 H2O
Au + HClO4 = AuClO4 + H2 =>
2 Au + 2 HClO4 = 2 AuClO4 + H2
C2H5OH + KMnO4 + H2SO4 = CH3CHO + MnSO4 + K2SO4 + H2O =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 CH3CHO + 2 MnSO4 + K2SO4 + 8 H2O
CuS + O2 = Cu2O + SO2 =>
4 CuS + 5 O2 = 2 Cu2O + 4 SO2
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