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2 K2CrO7 + 28 HI = 2 CrI3 + 11 I2 + 14 H2O + 4 K
W + HNO3 = W(NO3)6 + NO2 + H2O =>
W + 12 HNO3 = W(NO3)6 + 6 NO2 + 6 H2O
H2O + Zn + NO3{-} = ZnO2{-2} + NH3 + OH =>
10 H2O + Zn + 2 NO3{-} = ZnO2{-2} + 2 NH3 + 14 OH
Na + SO2 = Na2O + Na2S =>
6 Na + SO2 = 2 Na2O + Na2S
Mn2N + ReO3 + Fe2O3 + KClO3 = Mn2FeReO5N + KCl =>
6 Mn2N + 6 ReO3 + 3 Fe2O3 + KClO3 = 6 Mn2FeReO5N + KCl
NaOH + Co(NO3)2 = OHCo + Na(NO3)2 =>
NaOH + Co(NO3)2 = OHCo + Na(NO3)2
Cu + NaCl = CuClNa =>
Cu + NaCl = CuClNa
CH2 + O2 = CO2 + H2O =>
2 CH2 + 3 O2 = 2 CO2 + 2 H2O
Na + HNO3 = Na(NO3)3 + NO + H2O =>
Na + 4 HNO3 = Na(NO3)3 + NO + 2 H2O
Cl{-} + H{+} + MnO4{-} = Cl2 + MnO2 + H2O =>
6 Cl{-} + 8 H{+} + 2 MnO4{-} = 3 Cl2 + 2 MnO2 + 4 H2O
CH3Br + KOH = CH3OH + KBr =>
CH3Br + KOH = CH3OH + KBr
CoCl2*6(H2O) + NH4Cl + NH4OH + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2*6(H2O) + 2 NH4Cl + 10 NH4OH + H2O2 = 2[Co(NH3)6]Cl3 + 24 H2O
C9H2 + O2 = C9O2 + H2O =>
2 C9H2 + 3 O2 = 2 C9O2 + 2 H2O
FeCl3 + SO2 + H2O = FeCl2 + H2SO4 + HCl =>
2 FeCl3 + SO2 + 2 H2O = 2 FeCl2 + H2SO4 + 2 HCl
NaCl + Hg(C2H3O2)2 = NaC2H3O2 + HgCl2 =>
2 NaCl + Hg(C2H3O2)2 = 2 NaC2H3O2 + HgCl2
Z2(CO3)2 = ZO + CO2 =>
Z2(CO3)2 = 2 ZO + 2 CO2
P4 + NaOH + H2O = H3 + Na2HPO3 =>
P4 + 8 NaOH + 4 H2O = 4 H3 + 4 Na2HPO3
As2O3 = As4 + O2 =>
2 As2O3 = As4 + 3 O2
K3C6H5O7 + CaCrO4 = K2CrO4 + Ca3(C6H5O7)2 =>
2 K3C6H5O7 + 3 CaCrO4 = 3 K2CrO4 + Ca3(C6H5O7)2
BrSO3 + H2SO4 = BrS + SO4 + H2O =>
BrSO3 + 3 H2SO4 = BrS + 3 SO4 + 3 H2O
F2 + KI2 = I2 + KF2 =>
F2 + KI2 = I2 + KF2
CrO = Cr2O3Cr =>
3 CrO = Cr2O3Cr
MgSO4 + Na2CO3(aq) = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3(aq) = MgCO3 + Na2SO4
NH4NO3 + Mg = MgO + NH3 + NO2 =>
3 NH4NO3 + 5 Mg = 5 MgO + 4 NH3 + 2 NO2
Li + CoF3 = LiF + Co =>
3 Li + CoF3 = 3 LiF + Co
Na(OH)2 + H3PO4 = Na3(PO4)2 + H2O =>
3 Na(OH)2 + 2 H3PO4 = Na3(PO4)2 + 6 H2O
MgCl2 + HOH = HCl + Mg(OH)2 =>
MgCl2 + 2 HOH = 2 HCl + Mg(OH)2
C5H10 + K2Cr2O7 + H2SO4 = C4H8O2 + Cr2(SO4)3 + K2SO4 + H2O =>
12 C5H10 + 10 K2Cr2O7 + 40 H2SO4 = 15 C4H8O2 + 10 Cr2(SO4)3 + 10 K2SO4 + 40 H2O
SnO2 + C = CO2 + Sn2 =>
2 SnO2 + 2 C = 2 CO2 + Sn2
Ce(OH)3 + KMnO4 + HCl + H2O = Ce(OH)4 + MnO2 + KCl =>
3 Ce(OH)3 + KMnO4 + HCl + H2O = 3 Ce(OH)4 + MnO2 + KCl
K + FeSO4 = Fe + KSO4 =>
K + FeSO4 = Fe + KSO4
Mg(s) + Zn(No3)2(aq) = MgNo3 + Zn =>
2 Mg(s) + Zn(No3)2(aq) = 2 MgNo3 + Zn
Sn(OH)4 + H2SO4 = Sn2(SO4)4 + H2O =>
2 Sn(OH)4 + 4 H2SO4 = Sn2(SO4)4 + 8 H2O
CuO(s) + H2SO4(l) = CuSO4(s) + H2O(l) =>
CuO(s) + H2SO4(l) = CuSO4(s) + H2O(l)
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Ag(NH3)2{+} + CH3CH2CHO + OH{-} = Ag + CH3CH2COO + NH3 + H2O =>
3 Ag(NH3)2{+} + CH3CH2CHO + 3 OH{-} = 3 Ag + CH3CH2COO + 6 NH3 + 2 H2O
CH3CH2S + H2O = CH3CH2SH + OH =>
CH3CH2S + H2O = CH3CH2SH + OH
ZnSO4 + K3PO4 = Zn3(PO4)2 + K2SO4 =>
3 ZnSO4 + 2 K3PO4 = Zn3(PO4)2 + 3 K2SO4
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
Mg + (OH)2 = MgO + H2 =>
2 Mg + (OH)2 = 2 MgO + H2
HCe + MnO2 = H2O + MnCe2 + Ce =>
4 HCe + MnO2 = 2 H2O + MnCe2 + 2 Ce
P + Ca = Ca2P =>
P + 2 Ca = Ca2P
SO2S + O2 = SO2 =>
SO2S + O2 = 2 SO2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
KMnO4 + HCl + H2 = KCl + MnCl + H2O =>
KMnO4 + 2 HCl + 3 H2 = KCl + MnCl + 4 H2O
PbO2 + HBr = Br2 + H2PbBr4 + H2O =>
PbO2 + 6 HBr = Br2 + H2PbBr4 + 2 H2O
NiSO4 + NaOH = Ni(OH) + NaSO4 =>
NiSO4 + NaOH = Ni(OH) + NaSO4
HNH4ClO4 = N2 + H2O + HCl + O2 =>
2 HNH4ClO4 = N2 + 4 H2O + 2 HCl + 2 O2
C2H3OOH + NaOH = C2H3OONa + H2O =>
C2H3OOH + NaOH = C2H3OONa + H2O
MgSO4 + Mg = Mg2O2 + SO2 =>
MgSO4 + Mg = Mg2O2 + SO2
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