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2 Cr + 7 H2O = Cr2O7 + 14 H
K2O(s) + P4O10(s) = K3PO4(s) =>
6 K2O(s) + P4O10(s) = 4 K3PO4(s)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CH4CH2CH2CH2O2 + O2 = CO + H2O =>
2 CH4CH2CH2CH2O2 + 7 O2 = 8 CO + 10 H2O
CaF2 + NaOH = NaF + CaO2H2 =>
CaF2 + 2 NaOH = 2 NaF + CaO2H2
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
TlOH + CO2 = TlH + CO3 =>
TlOH + CO2 = TlH + CO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
AgNO3 + CrO = AgO + CrNO3 =>
AgNO3 + CrO = AgO + CrNO3
KMnO4 + (COOH)2 + H2SO4 = K2SO4 + CO2 + MnSO4 + H2O =>
2 KMnO4 + 5(COOH)2 + 3 H2SO4 = K2SO4 + 10 CO2 + 2 MnSO4 + 8 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
M + HS = H + MS =>
M + HS = H + MS
C0H20 + O2 = CO2 + H2O =>
C0H20 + 6 O2 = CO2 + 10 H2O
H2O + NO3 = NH3 + OH =>
6 H2O + NO3 = NH3 + 9 OH
Cr(l) + O2(g) = CrO3(s) =>
2 Cr(l) + 3 O2(g) = 2 CrO3(s)
P2O5 + MgO = Mg3P2 + O =>
P2O5 + 3 MgO = Mg3P2 + 8 O
NaOH + C4H6O6 = HO2CCH(OH)CH(OH)CO2Na + H2O =>
NaOH + C4H6O6 = HO2CCH(OH)CH(OH)CO2Na + H2O
ON2 + H2O = NH3 + NO =>
5 ON2 + 3 H2O = 2 NH3 + 8 NO
CH6ClN + NaOH = CH3NH2 + NaCl + H2O =>
CH6ClN + NaOH = CH3NH2 + NaCl + H2O
Mg + HI = H2 + MgI3 =>
2 Mg + 6 HI = 3 H2 + 2 MgI3
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
HNO3 + Na2SO3 = H2SO3 + NaNO3 =>
2 HNO3 + Na2SO3 = H2SO3 + 2 NaNO3
HI + Al = Al2I3 + H =>
3 HI + 2 Al = Al2I3 + 3 H
K2CrO4 + HNO3 = K2NO3 + CrO4H =>
K2CrO4 + HNO3 = K2NO3 + CrO4H
(CH3COO)2Mg + HCl = CH3COOH + MgCl2 =>
(CH3COO)2Mg + 2 HCl = 2 CH3COOH + MgCl2
Fe111 + O11 = Fe2O111 =>
22 Fe111 + 12321 O11 = 1221 Fe2O111
HF + KOH = HOH + KF =>
HF + KOH = HOH + KF
Na2Cr2O7 + FeCl2 + HCl = CrCl4 + FeCl3 + NaCl + H2O =>
Na2Cr2O7 + 4 FeCl2 + 14 HCl = 2 CrCl4 + 4 FeCl3 + 2 NaCl + 7 H2O
Fe(OH)2 + N2O3 = Fe(NO2)2 + H2O =>
Fe(OH)2 + N2O3 = Fe(NO2)2 + H2O
KMnO4 + C2H5OH + KOH = CH3COOH + H2O + K2MnO4 =>
4 KMnO4 + C2H5OH + 4 KOH = CH3COOH + 3 H2O + 4 K2MnO4
Na2CO3 + CO3 + H2SO4 = Na(SO4)2 + CO2 + H2O =>
Na2CO3 + 3 CO3 + 4 H2SO4 = 2 Na(SO4)2 + 4 CO2 + 4 H2O
Rb + O2 = RbO2 =>
Rb + O2 = RbO2
Fe + NH3 = FeNH3 =>
Fe + NH3 = FeNH3
KMnO4 + HCl = K2MnO4 + Cl2 + MnCl2 + H2O =>
2 KMnO4 + 8 HCl = K2MnO4 + 3 Cl2 + MnCl2 + 4 H2O
KClO4 + AgNO3 = AgClO4 + KNO3 =>
KClO4 + AgNO3 = AgClO4 + KNO3
CaC2 + HCl + H2O = Ca(OH)2 + C2H3Cl =>
CaC2 + HCl + 2 H2O = Ca(OH)2 + C2H3Cl
Fe2S3 + O2 = Fe2O4 + SO2 =>
Fe2S3 + 5 O2 = Fe2O4 + 3 SO2
Mg + Cr(ClO4)3 = Cr + Mg(ClO4)2 =>
3 Mg + 2 Cr(ClO4)3 = 2 Cr + 3 Mg(ClO4)2
K3PO4 + Ba(CH3CO2)2 = KCH3CO2 + Ba3(PO4)2 =>
2 K3PO4 + 3 Ba(CH3CO2)2 = 6 KCH3CO2 + Ba3(PO4)2
CaCO3(s) + HCl(aq) = CaCl2(aq) + H2CO3(aq) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + H2CO3(aq)
Na2CO3 + HNO2 = H2O + CO2 + NaNO2 =>
Na2CO3 + 2 HNO2 = H2O + CO2 + 2 NaNO2
KNO3 + BaCl2 = KCl + Ba(NO3)2 =>
2 KNO3 + BaCl2 = 2 KCl + Ba(NO3)2
K2MnO4 + H2O + H2SO4 = MnSO4 + KOH + KMnO4 =>
5 K2MnO4 + 2 H2O + H2SO4 = MnSO4 + 6 KOH + 4 KMnO4
KAl(SO4)2 + Ba(NO3)2 = KAl(NO3)4 + BaSO4 =>
KAl(SO4)2 + 2 Ba(NO3)2 = KAl(NO3)4 + 2 BaSO4
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
SO2Cl2 + H2O = SO4{2-} + H{+} + Cl{-} =>
SO2Cl2 + 2 H2O = SO4{2-} + 4 H{+} + 2 Cl{-}
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