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CaBr2 + Na2S = 2 NaBr + CaS
Se + H2SO4 = H2SeO3 + SO2 + H2O =>
Se + 2 H2SO4 = H2SeO3 + 2 SO2 + H2O
NaNO2(aq) + NaOH + Al + H2O = NaAlO2 + NH3 =>
NaNO2(aq) + NaOH + 2 Al + H2O = 2 NaAlO2 + NH3
NH2CONH2 = NH3 + C3H3N3O3 =>
3 NH2CONH2 = 3 NH3 + C3H3N3O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe(NO3)3*9H2O + C2H5NO2 = Fe3O4 + N2 + H2O + CO2 =>
54 Fe(NO3)3*9H2O + 92 C2H5NO2 = 18 Fe3O4 + 127 N2 + 716 H2O + 184 CO2
Mg(NO3)2(aq) + HCl(aq) = MgCl2 + HNO3 =>
Mg(NO3)2(aq) + 2 HCl(aq) = MgCl2 + 2 HNO3
C + O2 = CO2 =>
C + O2 = CO2
AgC2H3O2 + K2CrO4 = Ag2CrO4 + KC2H3O2 =>
2 AgC2H3O2 + K2CrO4 = Ag2CrO4 + 2 KC2H3O2
NaHSO3 + H2SO4 = Na2SO4 + H2SO3 =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 H2SO3
H2AsO4{-} + H2O = OH{-} + H3AsO4 =>
H2AsO4{-} + H2O = OH{-} + H3AsO4
FeCl3*6H2O + CoCl2*6H2O + NaOH = CoFe2O4 + NaCl + H2O =>
2 FeCl3*6H2O + CoCl2*6H2O + 8 NaOH = CoFe2O4 + 8 NaCl + 22 H2O
KIO3(aq) + AgNO3(aq) = KNO3 + AgIO3(l) =>
KIO3(aq) + AgNO3(aq) = KNO3 + AgIO3(l)
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH6 + O2 = CO4 + H =>
CH6 + 2 O2 = CO4 + 6 H
Se2O3 + H2O = H2Se2O4 =>
Se2O3 + H2O = H2Se2O4
Al(NO3)3 + H2O = Al2O3 + HNO3 =>
2 Al(NO3)3 + 3 H2O = Al2O3 + 6 HNO3
C6H5OH + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H4O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CO + HOH = H2CO2 =>
CO + HOH = H2CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + CuSO = FeCu + SO =>
Fe + CuSO = FeCu + SO
Ca + KOH = KCaO + H2 =>
2 Ca + 2 KOH = 2 KCaO + H2
KMnO4 + Ce(NO3)3 + HNO3 = KNO3 + Ce(MnO4)4 + NO2 + H2O =>
4 KMnO4 + Ce(NO3)3 + 2 HNO3 = 4 KNO3 + Ce(MnO4)4 + NO2 + H2O
BiNO3 + Na2S = Na2NO3 + BiS =>
BiNO3 + Na2S = Na2NO3 + BiS
CH2Br + HBr = CHBr2 + H2 =>
CH2Br + HBr = CHBr2 + H2
Al + CrO = Al2O + Cr =>
2 Al + CrO = Al2O + Cr
C8H10 + KMnO4 + H2SO4 = C8H6O4 + K2SO4 + MnSO4 + H2O =>
5 C8H10 + 12 KMnO4 + 18 H2SO4 = 5 C8H6O4 + 6 K2SO4 + 12 MnSO4 + 28 H2O
C2H4 + H2O = C2H5OH(g) =>
C2H4 + H2O = C2H5OH(g)
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Si + HNO3 + HF = H2SiF6 + NO2 + H2O =>
Si + 4 HNO3 + 6 HF = H2SiF6 + 4 NO2 + 4 H2O
Bi2O3 + ClO{-} + OH{-} = BiO3{-} + Cl{-} + H2O =>
Bi2O3 + 2 ClO{-} + 2 OH{-} = 2 BiO3{-} + 2 Cl{-} + H2O
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
CH3OH + H2 = CH3 + H3O =>
CH3OH + H2 = CH3 + H3O
H2SO4(aq) + H3AsO4(aq) + Zn(s) = AsH3(g) + ZnSO4(aq) + H2O(l) =>
4 H2SO4(aq) + H3AsO4(aq) + 4 Zn(s) = AsH3(g) + 4 ZnSO4(aq) + 4 H2O(l)
NaNO3 + NaNO2 + H2SO4 = Na2SO4 + NO2 + H2O =>
NaNO3 + NaNO2 + H2SO4 = Na2SO4 + 2 NO2 + H2O
KCl + Br2 = KBr + Cl2 =>
2 KCl + Br2 = 2 KBr + Cl2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
O2 + C2H4 = CO + H2O =>
2 O2 + C2H4 = 2 CO + 2 H2O
K2SO4(aq) + HCl(aq) = KCl(aq) + H2SO4(s) =>
K2SO4(aq) + 2 HCl(aq) = 2 KCl(aq) + H2SO4(s)
Zn(OH)2 + C20H14O4 = Zn + H2O + C20H13O4 =>
Zn(OH)2 + 2 C20H14O4 = Zn + 2 H2O + 2 C20H13O4
CuS = Cu{2+} + S{2-} =>
CuS = Cu{2+} + S{2-}
NaBr(aq) + F2(g) = NaF(aq) + Br2(l) =>
2 NaBr(aq) + F2(g) = 2 NaF(aq) + Br2(l)
NH4Cl + O2 = N2 + HCl + H2O =>
4 NH4Cl + 3 O2 = 2 N2 + 4 HCl + 6 H2O
BrO3{-} + I{-} + H{+} = Br{-} + I2 + H2O =>
BrO3{-} + 6 I{-} + 6 H{+} = Br{-} + 3 I2 + 3 H2O
K + Na3[Co(NO2)6] = K2[Co(NO2)6] + Na =>
2 K + Na3[Co(NO2)6] = K2[Co(NO2)6] + 3 Na
Si[N(CH3)2]ClH3 + H2O = NH(CH3)2 + Si(OH)4 + H2 + HCl =>
2 Si[N(CH3)2]ClH3 + 8 H2O = 2 NH(CH3)2 + 2 Si(OH)4 + 5 H2 + 2 HCl
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
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