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2(H2N2)2CO + 3 O2 = 4 H2O + 2 CO2 + 4 N2
Sn{2} + Cr2O7{-2} + H3O{+} = Sn{4} + Cr{3} + H2O =>
3 Sn{2} + Cr2O7{-2} + 14 H3O{+} = 3 Sn{4} + 2 Cr{3} + 21 H2O
(CH3)3N + H2O = (CH3)3NH{+} + OH{-} =>
(CH3)3N + H2O = (CH3)3NH{+} + OH{-}
CH3COOH + H2SO4 = CH3COOSO4 + H2 =>
2 CH3COOH + 2 H2SO4 = 2 CH3COOSO4 + 3 H2
CrBr3 + KOH = K3(Cr(OH)6) + KBr =>
CrBr3 + 6 KOH = K3(Cr(OH)6) + 3 KBr
Co2O3 + H2SO4 = Co2(SO4)3 + H2O =>
Co2O3 + 3 H2SO4 = Co2(SO4)3 + 3 H2O
C + F2 = CF4 =>
C + 2 F2 = CF4
P(g) + H2(g) = PH3(g) =>
2 P(g) + 3 H2(g) = 2 PH3(g)
K + I + Na2O2 = NaI + K2O =>
4 K + 2 I + Na2O2 = 2 NaI + 2 K2O
CaPO4 + HCl = CaCl2 + H3 + PO4 =>
3 CaPO4 + 6 HCl = 3 CaCl2 + 2 H3 + 3 PO4
FeBr2(aq) + K2S(aq) = KBr(aq) + FeS(aq) =>
FeBr2(aq) + K2S(aq) = 2 KBr(aq) + FeS(aq)
NH4NO3 + Pb = Pb(NO3)2 + NH3 + H2O =>
9 NH4NO3 + 4 Pb = 4 Pb(NO3)2 + 10 NH3 + 3 H2O
CuCl2 + Na4Si = Cu + NaCl + SiCl4 =>
4 CuCl2 + Na4Si = 4 Cu + 4 NaCl + SiCl4
Cl + Ca(OH)2 = Ca(ClO3)2 + CaCl2 + H2O =>
12 Cl + 6 Ca(OH)2 = Ca(ClO3)2 + 5 CaCl2 + 6 H2O
H2SO4 + NaCO3 = NaSO4 + H2CO3 =>
H2SO4 + NaCO3 = NaSO4 + H2CO3
NaF + CaCl2 = CaF2 + NaCl =>
2 NaF + CaCl2 = CaF2 + 2 NaCl
KClO4 + Ba3(PO4)2 = K3PO4 + Ba(ClO4)2 =>
6 KClO4 + Ba3(PO4)2 = 2 K3PO4 + 3 Ba(ClO4)2
S8 + O2 + H2O = H2SO4 =>
S8 + 12 O2 + 8 H2O = 8 H2SO4
CaPO4 + HCl = CaCl2 + H3 + PO4 =>
3 CaPO4 + 6 HCl = 3 CaCl2 + 2 H3 + 3 PO4
Ca(OH)2 + Mg = Ca + Mg(OH)2 =>
Ca(OH)2 + Mg = Ca + Mg(OH)2
Ti + S8 = TiS =>
8 Ti + S8 = 8 TiS
Zn + Ba(OH)2 = BaZnO2 + H2 =>
Zn + Ba(OH)2 = BaZnO2 + H2
C6H8O6 + NaOH = C6H7O6 + Na + H2O =>
C6H8O6 + NaOH = C6H7O6 + Na + H2O
C12H22O11 + O2 = C3H6O3 + CO2 =>
3 C12H22O11 + 3 O2 = 11 C3H6O3 + 3 CO2
H2SO3 + Na2SO4 = Na2SO3 + H2SO4 =>
H2SO3 + Na2SO4 = Na2SO3 + H2SO4
HNO3 + Ca = Ca(NO3)2 + NH4(NO3) + H2O =>
10 HNO3 + 4 Ca = 4 Ca(NO3)2 + NH4(NO3) + 3 H2O
Ba(OH)2 + CuS = Cu(OH)2 + BaS =>
Ba(OH)2 + CuS = Cu(OH)2 + BaS
CH3CH2Br + Na = CH3CH2CH2CH3 + NaBr =>
2 CH3CH2Br + 2 Na = CH3CH2CH2CH3 + 2 NaBr
(CH3COOH) + C2H5OH = CH3COOC2H5 + H2O =>
(CH3COOH) + C2H5OH = CH3COOC2H5 + H2O
BaO + H3PO4 = Ba3(PO4)2 + H2O =>
3 BaO + 2 H3PO4 = Ba3(PO4)2 + 3 H2O
Zn + Ag2SO4 = Zn(SO4)3 + Ag =>
Zn + 3 Ag2SO4 = Zn(SO4)3 + 6 Ag
CH3COOH + Cu(OH)2 = Cu(CH3COO)2 + H2O =>
2 CH3COOH + Cu(OH)2 = Cu(CH3COO)2 + 2 H2O
AlNO3 + BaOH = AlOH + BaNO3 =>
AlNO3 + BaOH = AlOH + BaNO3
I2 + H2S + NaOH = NaI + S + H2O =>
I2 + H2S + 2 NaOH = 2 NaI + S + 2 H2O
Sn(CO3)2(s) = SnO2(s) + CO2(g) =>
Sn(CO3)2(s) = SnO2(s) + 2 CO2(g)
Si + Cl2 = SiCl4 =>
Si + 2 Cl2 = SiCl4
HBr(l) + Cl2(g) = HCl(l) + Br2(g) =>
2 HBr(l) + Cl2(g) = 2 HCl(l) + Br2(g)
Si + Cl2 = SiCl4 =>
Si + 2 Cl2 = SiCl4
Li(l) + H2(g) = LiH =>
2 Li(l) + H2(g) = 2 LiH
KBr = K + Br2 =>
2 KBr = 2 K + Br2
(NH4)NO3 + K2O = KNO3 + (NH4)2O =>
2(NH4)NO3 + K2O = 2 KNO3 + (NH4)2O
NaI(aq) + Pb(NO3)2(aq) = PbI2 + NaNO3(aq) =>
2 NaI(aq) + Pb(NO3)2(aq) = PbI2 + 2 NaNO3(aq)
KMnO4 + H2SO4 + C2H4 = MnSO4 + K2SO4 + CO2 + H2O =>
12 KMnO4 + 18 H2SO4 + 5 C2H4 = 12 MnSO4 + 6 K2SO4 + 10 CO2 + 28 H2O
Rb + HNO3 = RbNO3 + H2O + NH3 =>
8 Rb + 9 HNO3 = 8 RbNO3 + 3 H2O + NH3
HCl + K2Cr2O7 = Cl2 + KCl + CrCl3 + H2O =>
14 HCl + K2Cr2O7 = 3 Cl2 + 2 KCl + 2 CrCl3 + 7 H2O
BrHNa + OH = NaBr + H2O =>
BrHNa + OH = NaBr + H2O
Cu2O + NH4OH + O2 = H2O + [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH4OH + O2 = 12 H2O + 4[Cu(NH3)4](OH)2
HCIO4 + SO2 + H2O = H2SO4 + HCI =>
HCIO4 + 4 SO2 + 4 H2O = 4 H2SO4 + HCI
CH2(ONO2)CH(ONO2)CH2(ONO2) = CO2 + H2O + N2 + O2 =>
4 CH2(ONO2)CH(ONO2)CH2(ONO2) = 12 CO2 + 10 H2O + 6 N2 + O2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
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