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2 HCOOH + CaO = (HCOO)2Ca + H2O
AlCl3 + Al(OH)3 = Al(OH)2Cl =>
AlCl3 + 2 Al(OH)3 = 3 Al(OH)2Cl
C5H7Br + Br2 = CBr4 + HBr =>
C5H7Br + 13 Br2 = 5 CBr4 + 7 HBr
H2SO4 + Cr = H2O + Cr2(SO4)3 + SO2 =>
6 H2SO4 + 2 Cr = 6 H2O + Cr2(SO4)3 + 3 SO2
RbOHCH3COOH = RbCH3COOH2O =>
RbOHCH3COOH = RbCH3COOH2O
Ca2{+} + Cl{-} = Ca + CaCl =>
Ca2{+} + Cl{-} = Ca + CaCl
K2Cr2O7 + CaBr = Ca2Cr2O7 + KBr =>
K2Cr2O7 + 2 CaBr = Ca2Cr2O7 + 2 KBr
C7H6Hg2 + H2SO4 + FeCl = C7H6Fe2 + Hg2SO4 + HCl =>
C7H6Hg2 + H2SO4 + 2 FeCl = C7H6Fe2 + Hg2SO4 + 2 HCl
H2S2O4 + Cd(OH)2 = Cd2(S2O4)2 + H2O =>
2 H2S2O4 + 2 Cd(OH)2 = Cd2(S2O4)2 + 4 H2O
H2SO4(ac) + Pb(NO3)2(ac) = PbSO4(ac) + HNO3(ac) =>
H2SO4(ac) + Pb(NO3)2(ac) = PbSO4(ac) + 2 HNO3(ac)
CHHHCHHH + OO = COO + HHO =>
2 CHHHCHHH + 7 OO = 4 COO + 6 HHO
CuBr2 + AgCl3 = AgBr3 + CuCl2 =>
3 CuBr2 + 2 AgCl3 = 2 AgBr3 + 3 CuCl2
Zn + (NO3){-} + H{+} = Zn{2+} + N2 + H2O =>
5 Zn + 2(NO3){-} + 12 H{+} = 5 Zn{2+} + N2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HC6H5CO2 + NaOH = NaC6H5CO2 + H2O =>
HC6H5CO2 + NaOH = NaC6H5CO2 + H2O
CuO + C23H48 = H2O + Cu + CO2 =>
70 CuO + C23H48 = 24 H2O + 70 Cu + 23 CO2
Fe2S2 + HCl = HS2 + Fe2Cl =>
Fe2S2 + HCl = HS2 + Fe2Cl
BaNO3 + Na2SO4 = BaSO4 + Na2NO3 =>
BaNO3 + Na2SO4 = BaSO4 + Na2NO3
C4H6N + O3 = N2 + CO2 + H2O =>
6 C4H6N + 22 O3 = 3 N2 + 24 CO2 + 18 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HCOOH + K2CO3 = CHCOOK + H2O + CO2 =>
6 HCOOH + K2CO3 = 2 CHCOOK + 5 H2O + 3 CO2
Ga(NO2)3 = Ga + N2 + O2 =>
2 Ga(NO2)3 = 2 Ga + 3 N2 + 6 O2
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
H4Si + HCl = ClH3Si + H2 =>
H4Si + HCl = ClH3Si + H2
Mg(HSO3)2 = MgO + H2O + SO2 =>
Mg(HSO3)2 = MgO + H2O + 2 SO2
Ni + Co2 + O2 = NiOCo2 =>
2 Ni + 2 Co2 + O2 = 2 NiOCo2
Cu(k) + Cl2(d) = CuCl2(k) =>
Cu(k) + Cl2(d) = CuCl2(k)
C16H18N3SCl + O2 = CO2 + H2O + H2SO4 + HNO3 + HCl =>
2 C16H18N3SCl + 51 O2 = 32 CO2 + 12 H2O + 2 H2SO4 + 6 HNO3 + 2 HCl
Cr2O7{-} + H{+} = Cr2O3 + H2O + O =>
2 Cr2O7{-} + 2 H{+} = 2 Cr2O3 + H2O + 7 O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Al2(SO4)3 + MgCl2 = Mg(SO4) + AlCl3 =>
Al2(SO4)3 + 3 MgCl2 = 3 Mg(SO4) + 2 AlCl3
Mn + MnO2 + H2SO4 = MnSO4 + H2O =>
Mn + MnO2 + 2 H2SO4 = 2 MnSO4 + 2 H2O
CH2CH(COONa) + H2O = CH2CH(COO)H + Na + OH =>
CH2CH(COONa) + H2O = CH2CH(COO)H + Na + OH
C3H6O + NaCO3*H3O3 = Na2CO3 + C6H12O4 + H2O =>
19 C3H6O + 6 NaCO3*H3O3 = 3 Na2CO3 + 10 C6H12O4 + 6 H2O
Ni(NO3)2 + Na2SO4 = Ni(SO4) + NaNO3 =>
Ni(NO3)2 + Na2SO4 = Ni(SO4) + 2 NaNO3
CuS + Zn(OH)2 = Cu(OH)2 + ZnS =>
CuS + Zn(OH)2 = Cu(OH)2 + ZnS
C6H12O6 + Fe2O3 + H{+} = CO2 + Fe{+2} + H2O =>
C6H12O6 + 12 Fe2O3 + 48 H{+} = 6 CO2 + 24 Fe{+2} + 30 H2O
NH4(OH) + KI = NH4I + KOH =>
NH4(OH) + KI = NH4I + KOH
Cu + N + Ti + S + H = CuNTiSH =>
Cu + N + Ti + S + H = CuNTiSH
Pb(NO3)2 = NO2 + O2 + PbO =>
2 Pb(NO3)2 = 4 NO2 + O2 + 2 PbO
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
NaI + KMnO4 + H2SO4 = NaSO4 + K2(SO4) + MnSO4 + H2O + I =>
5 NaI + 2 KMnO4 + 8 H2SO4 = 5 NaSO4 + K2(SO4) + 2 MnSO4 + 8 H2O + 5 I
K2CO3 + NaCI = K2CI + NaCO3 =>
K2CO3 + NaCI = K2CI + NaCO3
P2O5 + CO = P2O3 + CO2 =>
P2O5 + 2 CO = P2O3 + 2 CO2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
(CH3(CH2)OH) + O2 = CH3COOH + H2O =>
(CH3(CH2)OH) + O2 = CH3COOH + H2O
NaBH4 + C13H10O + HCl = C13H12O + BH3 + NaCl =>
NaBH4 + C13H10O + HCl = C13H12O + BH3 + NaCl
Cr(OH)3(s) + HNO2(aq) = H2O(l) + Cr(NO2)3(aq) =>
Cr(OH)3(s) + 3 HNO2(aq) = 3 H2O(l) + Cr(NO2)3(aq)
Pb(C2H3O2)2 + KBr = PbBr2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KBr = PbBr2 + 2 KC2H3O2
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