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4 K2Cr2O7 + 17 H2SO4 + 3 H2S = 8 KHSO4 + 4 Cr2(SO4)3 + 16 H2O
K(OH)2 = K + OH =>
K(OH)2 = K + 2 OH
Mn{3+} + H2O = Mn{2+} + H{+} + O2 =>
4 Mn{3+} + 2 H2O = 4 Mn{2+} + 4 H{+} + O2
Sn{4+} + Mn = Mn{2+} + Sn =>
Sn{4+} + 2 Mn = 2 Mn{2+} + Sn
MgSO4 + H2C2O4 = MgC2O4 + H2SO4 =>
MgSO4 + H2C2O4 = MgC2O4 + H2SO4
NaClO4 + NH3 = H2O + N2H4 + NaCl =>
NaClO4 + 8 NH3 = 4 H2O + 4 N2H4 + NaCl
C3H7OH = C3H6 + H2O =>
C3H7OH = C3H6 + H2O
Mg(SO4)2 + Al = Al(SO4)2 + Mg =>
Mg(SO4)2 + Al = Al(SO4)2 + Mg
Fe3N2 + Al2O3 = FeO + AlN =>
Fe3N2 + Al2O3 = 3 FeO + 2 AlN
K + Cr{3} = Cr + K{+} =>
3 K + Cr{3} = Cr + 3 K{+}
CaCO3 + NH4{+} = Ca{2+} + H2CO3 + NH3 =>
CaCO3 + 2 NH4{+} = Ca{2+} + H2CO3 + 2 NH3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C16H18O + O2 = CO2 + H2O =>
C16H18O + 20 O2 = 16 CO2 + 9 H2O
Na2CO3 + NH3 = Na2(NH3) + CO3 =>
Na2CO3 + NH3 = Na2(NH3) + CO3
C4H19 + O2 = CO2 + H2O =>
4 C4H19 + 35 O2 = 16 CO2 + 38 H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Tc + H2 = TcH7 =>
2 Tc + 7 H2 = 2 TcH7
CH3CH2CH2Br + NaBH4 = CH3CH2CH3 + NaBr + BH3 =>
CH3CH2CH2Br + NaBH4 = CH3CH2CH3 + NaBr + BH3
PCl5 + NH4Cl = NPCl2 + HCl =>
PCl5 + NH4Cl = NPCl2 + 4 HCl
Zn(No3)2 + Fe = Zn + Fe(No3)2 =>
Zn(No3)2 + Fe = Zn + Fe(No3)2
At + O = At2O7 =>
2 At + 7 O = At2O7
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
Li2CrO4 + ZnBr2 = LiBr + ZnCrO4 =>
Li2CrO4 + ZnBr2 = 2 LiBr + ZnCrO4
MgS + Al(OH)3 = Mg(OH)2 + Al2S3 =>
3 MgS + 2 Al(OH)3 = 3 Mg(OH)2 + Al2S3
CO2 + C = CO =>
CO2 + C = 2 CO
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
Fe2 + (CrO4)3 = FeCrO4 =>
3 Fe2 + 2(CrO4)3 = 6 FeCrO4
Cs + PO4 = Cs3PO4 =>
3 Cs + PO4 = Cs3PO4
K2Cr2O7 + H2SO4 + H2S = KHSO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 17 H2SO4 + 3 H2S = 8 KHSO4 + 4 Cr2(SO4)3 + 16 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CHCl3 + Cl2 = CCl4 + HCl =>
CHCl3 + Cl2 = CCl4 + HCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al + NaOH = H2 + Na3AlO3 =>
2 Al + 6 NaOH = 3 H2 + 2 Na3AlO3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C7H8N4O2 + NaOH = C7H7NaN4O2 + H2O =>
C7H8N4O2 + NaOH = C7H7NaN4O2 + H2O
Sr(SO4) + Na(NO3) = Sr(NO3)2 + Na2(SO4) =>
Sr(SO4) + 2 Na(NO3) = Sr(NO3)2 + Na2(SO4)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
C12H26 + N2O = CO2 + H2O + N2 =>
C12H26 + 37 N2O = 12 CO2 + 13 H2O + 37 N2
KCIO2 = KCIO4 + KCI =>
2 KCIO2 = KCIO4 + KCI
Na2Cr2O7 + K2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
Na2Cr2O7 + 3 K2SO3 + 4 H2SO4 = Cr2(SO4)3 + Na2SO4 + 3 K2SO4 + 4 H2O
Br + Na2CO3 = NaBr + NaBrO3 + CO2 =>
6 Br + 3 Na2CO3 = 5 NaBr + NaBrO3 + 3 CO2
C6H12O6 + MnO4{-} + H{+} = C6H12O7 + MnO2 + H2O =>
3 C6H12O6 + 2 MnO4{-} + 2 H{+} = 3 C6H12O7 + 2 MnO2 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na(OH) + (H2SO4) = H2O + Na2SO4 =>
2 Na(OH) + (H2SO4) = 2 H2O + Na2SO4
Cl + O2 = Cl2O3 =>
4 Cl + 3 O2 = 2 Cl2O3
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
KOH(aq) + HBr(aq) = KBr(aq) + H2O(l) =>
KOH(aq) + HBr(aq) = KBr(aq) + H2O(l)
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