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Zn2 + 2 HBr = 2 ZnBr + 2 H
NaHCO3 + CH3COOH = NaCHCOO + H2O + CO2 =>
4 NaHCO3 + 3 CH3COOH = 4 NaCHCOO + 6 H2O + 2 CO2
Zn + HNO2 = Zn(NO3)2 + NHNO3 + H2O =>
Zn + 14 HNO2 = Zn(NO3)2 + 6 NHNO3 + 4 H2O
CH3Br + Na + C3H7Br = NaBr + C4H10 =>
CH3Br + 2 Na + C3H7Br = 2 NaBr + C4H10
AgNO3 + ZnO = Ag + Zn(NO3)2 + O2 =>
4 AgNO3 + 2 ZnO = 4 Ag + 2 Zn(NO3)2 + O2
SnBr4 + Zn = ZnSn + Br =>
SnBr4 + Zn = ZnSn + 4 Br
HCOOH + Fe = (HCOO)3Fe + H2 =>
6 HCOOH + 2 Fe = 2(HCOO)3Fe + 3 H2
Pb(NO3)2 + H2(SO4) = Pb(SO4) + H(NO3) =>
Pb(NO3)2 + H2(SO4) = Pb(SO4) + 2 H(NO3)
Cr + NH4OH = Cr(OH)2 + NH4 =>
Cr + 2 NH4OH = Cr(OH)2 + 2 NH4
AgNO3 + Fe(Br)3 = Fe(NO3)3 + AgBr =>
3 AgNO3 + Fe(Br)3 = Fe(NO3)3 + 3 AgBr
H4Sb2O7 = Sb2O5 + H2O =>
H4Sb2O7 = Sb2O5 + 2 H2O
Cl2 + H2O + I2 = HIO3 + HCl =>
5 Cl2 + 6 H2O + I2 = 2 HIO3 + 10 HCl
NaOH + SnCl2 = Na2[Sn(OH)4] + NaCl =>
4 NaOH + SnCl2 = Na2[Sn(OH)4] + 2 NaCl
Mn3N5 = Mn + N2 =>
2 Mn3N5 = 6 Mn + 5 N2
HCn + CuSO4 = HSO4 + CuCn =>
HCn + CuSO4 = HSO4 + CuCn
Mn2O7 + Na2O = Na2Mn2O8 =>
Mn2O7 + Na2O = Na2Mn2O8
O3 + KOH = KO2 + H2O =>
O3 + 2 KOH = 2 KO2 + H2O
C6H12O2(l) + O2(g) = CO2(g) + H2O(g) =>
C6H12O2(l) + 8 O2(g) = 6 CO2(g) + 6 H2O(g)
C5H10O(g) + O2(g) = CO2(g) + H2O(l) =>
C5H10O(g) + 7 O2(g) = 5 CO2(g) + 5 H2O(l)
Fe2O3H2O + CO = Fe + CO2 + H2 =>
Fe2O3H2O + 4 CO = 2 Fe + 4 CO2 + H2
H2O + K2O = KOH = O2 =>
H2O + K2O = 2 KOH
K2(SO4) + BaCl2 = KCl + Ba(SO4) =>
K2(SO4) + BaCl2 = 2 KCl + Ba(SO4)
H2CO3 + Cu + H2O = Cu(OH)2CO3 + H2 =>
H2CO3 + Cu + 2 H2O = Cu(OH)2CO3 + 2 H2
FeSO4 + MgO + O2 = Fe2O3 + MgSO4 =>
4 FeSO4 + 4 MgO + O2 = 2 Fe2O3 + 4 MgSO4
Ce(OH)4 + HNO3 + NH4NO3 = (NH4)2[Ce(NO3)6] + H2O =>
Ce(OH)4 + 4 HNO3 + 2 NH4NO3 = (NH4)2[Ce(NO3)6] + 4 H2O
Cu(CH3COO)2*H2O + Bi(NO3)3*5H2O + CH4N2S + CO2 = Cu4Bi4S9 + NO2 + CH3COOH + H2O =>
4 Cu(CH3COO)2*H2O + 4 Bi(NO3)3*5H2O + 9 CH4N2S + 19 CO2 = Cu4Bi4S9 + 30 NO2 + 22 CH3COOH + 10 H2O
Pb(s) + HgBr2(aq) = Hg + PbBr =>
2 Pb(s) + HgBr2(aq) = Hg + 2 PbBr
S8 + O2 + Ag = Ag2SO4 =>
S8 + 16 O2 + 16 Ag = 8 Ag2SO4
Cu(H2O)2 + PBr = P[Cu(H2O)2Br] =>
Cu(H2O)2 + PBr = P[Cu(H2O)2Br]
NaI + Br2 = Na + BrI =>
2 NaI + Br2 = 2 Na + 2 BrI
MgSO4 + H2SO4 = MgH2(SO4)2 =>
MgSO4 + H2SO4 = MgH2(SO4)2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
CH4(g) + Cl2(g) = CHCl3(l) + HCl(g) =>
CH4(g) + 3 Cl2(g) = CHCl3(l) + 3 HCl(g)
FeC2O4*2H2O + H2O2 + K2C2O4 = [Fe(C2O4)3]{3-} + K{+} + OH{-} + H2O =>
2 FeC2O4*2H2O + H2O2 + 4 K2C2O4 = 2[Fe(C2O4)3]{3-} + 8 K{+} + 2 OH{-} + 4 H2O
AlCl3 + NaHCO3 = AlHCO3 + NaCl3 =>
AlCl3 + NaHCO3 = AlHCO3 + NaCl3
K2O2 + HBr = KBr + H2O2 =>
K2O2 + 2 HBr = 2 KBr + H2O2
PbBr2(s) + NaNO3(aq) = Pb(NO3)2(aq) + NaBr(aq) =>
PbBr2(s) + 2 NaNO3(aq) = Pb(NO3)2(aq) + 2 NaBr(aq)
Pb + H2O = H2 + PbO =>
Pb + H2O = H2 + PbO
Zn + Fe2O3 = Fe + ZnO =>
3 Zn + Fe2O3 = 2 Fe + 3 ZnO
Ca(OH)2 + Cl2O5 = Ca(ClO3)2 + H2O =>
Ca(OH)2 + Cl2O5 = Ca(ClO3)2 + H2O
CaMg(CO3)2 = CaCO3 + MgCO3 =>
CaMg(CO3)2 = CaCO3 + MgCO3
Fe(OH)2 + O2 = Fe(OH)3 + Fe2O3 =>
12 Fe(OH)2 + 3 O2 = 8 Fe(OH)3 + 2 Fe2O3
Ca(NO3)2 = Ca + (NO3)2 =>
Ca(NO3)2 = Ca + (NO3)2
AlCl3 + NaHCO3 = AlHCO3 + NaCl3 =>
AlCl3 + NaHCO3 = AlHCO3 + NaCl3
Cr2O3 + NaNO3 + Na2CO3 = Na2CrO4 + NaNO2 + CO2 =>
Cr2O3 + 3 NaNO3 + 2 Na2CO3 = 2 Na2CrO4 + 3 NaNO2 + 2 CO2
Cr2O7{2-} + NH4{+} = N2 + Cr2O3 + H2O =>
Cr2O7{2-} + 2 NH4{+} = N2 + Cr2O3 + 4 H2O
SnCl2 + H2O2 = SnO2 + HCl =>
SnCl2 + H2O2 = SnO2 + 2 HCl
KHCO3 + H2O2 = KO2 + H2O + CO2 =>
2 KHCO3 + 3 H2O2 = 2 KO2 + 4 H2O + 2 CO2
Fe + O2 = FeO32 =>
Fe + 16 O2 = FeO32
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