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H2SO3 + 2 Br2 + H2O = H2SO4 + 2 HBr2
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Ca(OH)2 + H2CrO4 = H2O + Ca2(CrO4)2 =>
2 Ca(OH)2 + 2 H2CrO4 = 4 H2O + Ca2(CrO4)2
NaN3 + O2 = N2 + NaO =>
2 NaN3 + O2 = 3 N2 + 2 NaO
C6H5NH2 + HNO3 = [C6H5NH3]NO3 =>
C6H5NH2 + HNO3 = [C6H5NH3]NO3
HI(aq) + KOH(aq) = KI(aq) + H2O(l) =>
HI(aq) + KOH(aq) = KI(aq) + H2O(l)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
K2Cr2O7 + C2H60 + H2SO4 = Cr2(SO4) + C2H4O + K2SO4 + H2O =>
29 K2Cr2O7 + 5 C2H60 + 58 H2SO4 = 29 Cr2(SO4) + 5 C2H4O + 29 K2SO4 + 198 H2O
NH4OH + O2 = NO2 + H2O =>
4 NH4OH + 7 O2 = 4 NO2 + 10 H2O
Cr + O2 + H2O = Cr(OH) =>
4 Cr + O2 + 2 H2O = 4 Cr(OH)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2S + FeCl3 = Fe2S3 + NaCl =>
3 Na2S + 2 FeCl3 = Fe2S3 + 6 NaCl
HNO3 + Cr(OH)3 = Cr(NO3)3 + H2O =>
3 HNO3 + Cr(OH)3 = Cr(NO3)3 + 3 H2O
PbCl2 + H2SO4 = HCl + PbSO4 =>
PbCl2 + H2SO4 = 2 HCl + PbSO4
Li2O(s) + H2O = LiOH(ac) =>
Li2O(s) + H2O = 2 LiOH(ac)
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
P4(s) + H2O(l) = H2PO2(aq) + PH3(g) =>
5 P4(s) + 24 H2O(l) = 12 H2PO2(aq) + 8 PH3(g)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KMnO4 + K2S = K2MnO4 + S =>
2 KMnO4 + K2S = 2 K2MnO4 + S
Mg(NO3)2 + CuHCO3 = Mg(HCO3)2 + CuNO3 =>
Mg(NO3)2 + 2 CuHCO3 = Mg(HCO3)2 + 2 CuNO3
Ag2O + C6H12O6 = Ag + C6H11O7 + H2O =>
3 Ag2O + 2 C6H12O6 = 6 Ag + 2 C6H11O7 + H2O
Na2SO3 + HCl = NaCl + H2SO3 =>
Na2SO3 + 2 HCl = 2 NaCl + H2SO3
Ba(OH)2 + I2 = BaI2 + Ba(IO3)2 + H2O =>
6 Ba(OH)2 + 6 I2 = 5 BaI2 + Ba(IO3)2 + 6 H2O
NaHCO3 + HCl = NaCl + H2CO3 =>
NaHCO3 + HCl = NaCl + H2CO3
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
I + OH = IO + H2O =>
I + 2 OH = IO + H2O
Cr(MnO4)3 + K = KMnO4 + Cr =>
Cr(MnO4)3 + 3 K = 3 KMnO4 + Cr
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
CH4 + SO2 + O2 = CH3SO2OH =>
2 CH4 + 2 SO2 + O2 = 2 CH3SO2OH
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
C4H9Br + AgNO3 + C2H5OH = C6H14O + AgBr + HNO3 =>
C4H9Br + AgNO3 + C2H5OH = C6H14O + AgBr + HNO3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
PB(NO3)2 + CrCl3 = PBCl2 + Cr(NO3)3 =>
3 PB(NO3)2 + 2 CrCl3 = 3 PBCl2 + 2 Cr(NO3)3
NaNO3 + PbO = Pb + N2O5 + NaO =>
2 NaNO3 + PbO = Pb + N2O5 + 2 NaO
Ge + P2 = Ge3P2 =>
3 Ge + P2 = Ge3P2
CH4 + Cl4N2 = H2 + ClC3 + N2 =>
12 CH4 + Cl4N2 = 24 H2 + 4 ClC3 + N2
SnCl2(s) + HgCl2(ac) = [SnCl4](ac) + HgCl(s) =>
SnCl2(s) + 2 HgCl2(ac) = [SnCl4](ac) + 2 HgCl(s)
C4H8O2 + NaOH = C2H5OH + NaC2H3O2 =>
C4H8O2 + NaOH = C2H5OH + NaC2H3O2
(ICl3)2 + NaOH = I(OH)3 + NaCl =>
(ICl3)2 + 6 NaOH = 2 I(OH)3 + 6 NaCl
Ca(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag(s) =>
Ca(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + 2 Ag(s)
HNO3NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3NaHCO3 = NaNO3 + H2O + CO2
CuO + NH2OH = Cu2O + N2O + H2O =>
4 CuO + 2 NH2OH = 2 Cu2O + N2O + 3 H2O
B + H2 = B2H6 =>
2 B + 3 H2 = B2H6
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
K2S + CdSO4 = CdS + K2SO4 =>
K2S + CdSO4 = CdS + K2SO4
FeS + HNO3 = NO + H2SO4 + Fe(NO3)2 + H2O =>
3 FeS + 14 HNO3 = 8 NO + 3 H2SO4 + 3 Fe(NO3)2 + 4 H2O
N2(g) + CaBr2(aq) = NBr2(aq) + Ca =>
N2(g) + 2 CaBr2(aq) = 2 NBr2(aq) + 2 Ca
H2O + Ni = HNi + OH =>
H2O + Ni = HNi + OH
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