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2 Cr + 3 Sn{4+}{+} = 2 Cr{3+} + 3 Sn{2+}
KMnO4 + H2SO3 = MnSO4 + KHSO4 + H2SO4 + H2O =>
2 KMnO4 + 5 H2SO3 = 2 MnSO4 + 2 KHSO4 + H2SO4 + 3 H2O
XBr3 + Na = X + NaBr =>
XBr3 + 3 Na = X + 3 NaBr
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
S + NaOH = Na2SO3 + Na2S + H2O =>
3 S + 6 NaOH = Na2SO3 + 2 Na2S + 3 H2O
CaCl2HClN2H8C2O4 = N2H8Cl2CaC2O4HCl =>
CaCl2HClN2H8C2O4 = N2H8Cl2CaC2O4HCl
Pb(NO3)2 + Na2(SO4) = Pb2(SO4)2 + NO3Na =>
2 Pb(NO3)2 + 2 Na2(SO4) = Pb2(SO4)2 + 4 NO3Na
B2Br6 + H3PO4 = BPO4 + HBr =>
B2Br6 + 2 H3PO4 = 2 BPO4 + 6 HBr
Mg(ClO4)2 + H2O = HClO4 + MgO =>
Mg(ClO4)2 + H2O = 2 HClO4 + MgO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
ZnCl + O2 = Zn2O + Cl2 =>
4 ZnCl + O2 = 2 Zn2O + 2 Cl2
Ga + H2SO4 = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2SO4 = Ga2(SO4)3 + 3 H2
COH = C + O + H =>
COH = C + O + H
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
Ca(No3)2 + HCl = CaCl2 + HNo3 =>
Ca(No3)2 + 2 HCl = CaCl2 + 2 HNo3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2N3 = H4N6 =>
2 H2N3 = H4N6
Na2SO4 + (NH4)I = Na2I + SO4(NH4) =>
Na2SO4 + (NH4)I = Na2I + SO4(NH4)
P4O10(s) + HNO3(aq) = N2O5(g) + (HPO3)3(l) =>
3 P4O10(s) + 12 HNO3(aq) = 6 N2O5(g) + 4(HPO3)3(l)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe3O4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Fe3O4 + 2 KMnO4 + 48 H2SO4 = 15 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 48 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HgCl4{2-} + Sn{2+} + Cl{-} = Hg + SnCl6{2-} =>
HgCl4{2-} + Sn{2+} + 2 Cl{-} = Hg + SnCl6{2-}
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Na2SO3 + S8 = Na2S2O3 =>
8 Na2SO3 + S8 = 8 Na2S2O3
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
KO + H2CO3 = KCO3 + H2O =>
KO + H2CO3 = KCO3 + H2O
CH3Cl + Cu + O2 = CuCl2 + CO2 + H2O =>
4 CH3Cl + 2 Cu + 7 O2 = 2 CuCl2 + 4 CO2 + 6 H2O
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
I2 + HO = H2O + IO3 =>
I2 + 12 HO = 6 H2O + 2 IO3
HCl + O22 = Cl2 + H2O =>
44 HCl + O22 = 22 Cl2 + 22 H2O
ZnO + Zn(CH3COO)2 = ZnOZn + CH3COO =>
ZnO + Zn(CH3COO)2 = ZnOZn + 2 CH3COO
H2O + P2I4 + P = PH4I2 + H3PO2 =>
16 H2O + P2I4 + 8 P = 2 PH4I2 + 8 H3PO2
NaHCO3(aq) + HCI(aq) = NaCI(aq) + CO2 + H2O =>
NaHCO3(aq) + HCI(aq) = NaCI(aq) + CO2 + H2O
KCl + CaCr2O7 = CaCl2 + K2Cr2O7 =>
2 KCl + CaCr2O7 = CaCl2 + K2Cr2O7
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Zr(NO3)4 + KIO3 = Zr(IO3)4 + KNO3 =>
Zr(NO3)4 + 4 KIO3 = Zr(IO3)4 + 4 KNO3
Si + Na + O = Na2SiO3 =>
Si + 2 Na + 3 O = Na2SiO3
CuSO4 + C6H12O6 + NaOH = CuOH + C6H11O7Na + Na2SO4 + H2O =>
2 CuSO4 + C6H12O6 + 5 NaOH = 2 CuOH + C6H11O7Na + 2 Na2SO4 + 2 H2O
Cr2(SO4)3 + Br2 + KOH = HBr + K2CrO4 + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 10 KOH = 6 HBr + 2 K2CrO4 + 3 K2SO4 + 2 H2O
H2O2 + CrCl3 + KOH = H2O + K2CrO4 + KCl =>
3 H2O2 + 2 CrCl3 + 10 KOH = 8 H2O + 2 K2CrO4 + 6 KCl
Na + ZrCl4 = Zr + NaCl =>
4 Na + ZrCl4 = Zr + 4 NaCl
(NH4)3PO4 + HCl = H3PO4 + NH4Cl =>
(NH4)3PO4 + 3 HCl = H3PO4 + 3 NH4Cl
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
NO + FeSO4 + H2SO4 = Fe2(SO4)3 + N2 + H2O =>
2 NO + 4 FeSO4 + 2 H2SO4 = 2 Fe2(SO4)3 + N2 + 2 H2O
HBO3 + Fe(OH)2 = Fe(BO3)2 + H2O =>
2 HBO3 + Fe(OH)2 = Fe(BO3)2 + 2 H2O
Ag(NO3) + Zn = Zn(NO3) + Ag =>
Ag(NO3) + Zn = Zn(NO3) + Ag
Cr(OH)3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
SiO2 + H2SO4 = H2SiO3 + SO3 =>
SiO2 + H2SO4 = H2SiO3 + SO3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
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