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Na2SO3(s) + 2 HCl = 2 NaCl + H2O + SO2
H2N(CH2)6NH2 + HNO2 = HO(CH)6OH + N2 + H2O =>
H2N(CH2)6NH2 + 4 HNO2 = HO(CH)6OH + 3 N2 + 6 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
MgO + NHO3 = Mg(NO3)2 + H2O =>
MgO + 2 NHO3 = Mg(NO3)2 + H2O
P2H4(l) = PH3(g) + P4(s) =>
6 P2H4(l) = 8 PH3(g) + P4(s)
NH4IO2 = N2 + I2 + H2O =>
2 NH4IO2 = N2 + I2 + 4 H2O
Cu + NaNO3 + HNO3 = NO2 + Cu(NO3)2 + NaOH =>
Cu + 2 NaNO3 + 2 HNO3 = 2 NO2 + Cu(NO3)2 + 2 NaOH
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
Fe + HNO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe + 30 HNO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
K + P = K3P2 =>
3 K + 2 P = K3P2
Ni + H3(PO4) = Ni3(PO4)2 + H2 =>
3 Ni + 2 H3(PO4) = Ni3(PO4)2 + 3 H2
Bi(OH)3 + HNO3 = Bi(OH)2NO3 + H2O =>
Bi(OH)3 + HNO3 = Bi(OH)2NO3 + H2O
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
I2O5 + NO = N2O4 + I2 =>
2 I2O5 + 10 NO = 5 N2O4 + 2 I2
Al(s) + NiSO4(aq) = Ni(s) + Al2(SO4)3 =>
2 Al(s) + 3 NiSO4(aq) = 3 Ni(s) + Al2(SO4)3
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
SrBr2 + AgNO3 = Sr(NO3)2 + AgBr =>
SrBr2 + 2 AgNO3 = Sr(NO3)2 + 2 AgBr
HgNO3 + KCl = Hg2Cl2 + KNO3 =>
2 HgNO3 + 2 KCl = Hg2Cl2 + 2 KNO3
CH2O + NaOH = HCO2Na + CH3OH =>
2 CH2O + NaOH = HCO2Na + CH3OH
K2S + CuSO4 = K2SO4 + CuS =>
K2S + CuSO4 = K2SO4 + CuS
H2SO4 + Cu = CuSO4 + H2O + SO2 =>
2 H2SO4 + Cu = CuSO4 + 2 H2O + SO2
MgCl2 + K2CO3 = KCl + MgCO3 =>
MgCl2 + K2CO3 = 2 KCl + MgCO3
Al(s) + NiSO4(aq) = Ni(s) + Al2(SO4)3 =>
2 Al(s) + 3 NiSO4(aq) = 3 Ni(s) + Al2(SO4)3
Ba(OH)2 + Fe2(SO4)3 = Ba(SO4)3 + Fe2(OH)2 =>
Ba(OH)2 + Fe2(SO4)3 = Ba(SO4)3 + Fe2(OH)2
I2O5 = I + O =>
I2O5 = 2 I + 5 O
Cu + KCN = CuCN + K =>
Cu + KCN = CuCN + K
Cu + NaNO3 + HNO3 = NO2 + Cu(NO3)2 + NaOH =>
Cu + 2 NaNO3 + 2 HNO3 = 2 NO2 + Cu(NO3)2 + 2 NaOH
HNa + Ba(OH)2 = NaO + Ba + H2O =>
2 HNa + 3 Ba(OH)2 = 2 NaO + 3 Ba + 4 H2O
CaSO4 + Pb(NO3)2 = Ca(NO3)2 + PbSO4 =>
CaSO4 + Pb(NO3)2 = Ca(NO3)2 + PbSO4
KMnO4 + KNO2 + NaOH = K2MnO4 + Na2MnO4 + KNO3 + H2O =>
2 KMnO4 + KNO2 + 2 NaOH = K2MnO4 + Na2MnO4 + KNO3 + H2O
K2HgI4 + AgNO3 = Ag2HgI4 + KNO3 =>
K2HgI4 + 2 AgNO3 = Ag2HgI4 + 2 KNO3
NaNO2 + H2SO4 + Cu = CuSO4 + NO + Na2SO4 + H2O =>
2 NaNO2 + 2 H2SO4 + Cu = CuSO4 + 2 NO + Na2SO4 + 2 H2O
PrF3 + LiPN2 + Li3N = Pr2P3N7 + LiF =>
2 PrF3 + 3 LiPN2 + Li3N = Pr2P3N7 + 6 LiF
Ba + H2SO4 = BaSO4 + H2 =>
Ba + H2SO4 = BaSO4 + H2
[Cu(NH3)2]Cl + Ca(OH)2 = CaCl2 + CuO + H2 + NH3 =>
2[Cu(NH3)2]Cl + Ca(OH)2 = CaCl2 + 2 CuO + H2 + 4 NH3
Zn + Fe(CN)6 = Zn2Fe(CN)6 =>
2 Zn + Fe(CN)6 = Zn2Fe(CN)6
CHO + Ag(NH3)2OH = COONH4 + Ag + NH3 + H2O =>
CHO + 2 Ag(NH3)2OH = COONH4 + 2 Ag + 3 NH3 + H2O
MnCO3 + H3PO4 = CO2 + H2O + Mn(H2PO4)2 =>
MnCO3 + 2 H3PO4 = CO2 + H2O + Mn(H2PO4)2
H2O + NH4 + SO2 = (NH4)2SO3 + H2 =>
H2O + 2 NH4 + SO2 = (NH4)2SO3 + H2
C3H6O2 + H2O = CH2O2 + C2H6O =>
C3H6O2 + H2O = CH2O2 + C2H6O
Na2CO3 + SO2 + O2 + H2O = NaHSO4 + NaHCO3 =>
2 Na2CO3 + 2 SO2 + O2 + 2 H2O = 2 NaHSO4 + 2 NaHCO3
Sb2 + O2 = SbO2 =>
Sb2 + 2 O2 = 2 SbO2
C3N4 = C + N =>
C3N4 = 3 C + 4 N
O2 + TiS2 = Ti + OS =>
O2 + TiS2 = Ti + 2 OS
H2C2O4*2H2O + NaOH = NaC2O4 + H2O + H2 =>
2 H2C2O4*2H2O + 2 NaOH = 2 NaC2O4 + 6 H2O + H2
SiCl4(l) + H2O(l) = SiO2(s) + HCl(aq) =>
SiCl4(l) + 2 H2O(l) = SiO2(s) + 4 HCl(aq)
Al + HNO3(aq) = H2 + AlNO3 =>
2 Al + 2 HNO3(aq) = H2 + 2 AlNO3
NaHCO3(l) + Na2CO3(l) = Na2H + CO2 + O =>
2 NaHCO3(l) + Na2CO3(l) = 2 Na2H + 3 CO2 + 3 O
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