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2 B(OH)3 + 3 H2CO3 = B2(CO3)3 + 6 H2O
F2(aq) + NaI(aq) = NaF(aq) + I2(aq) =>
F2(aq) + 2 NaI(aq) = 2 NaF(aq) + I2(aq)
Cu + KNO3 = Cu(NO3) + K =>
Cu + KNO3 = Cu(NO3) + K
P + F2 = PF =>
2 P + F2 = 2 PF
C2H7NO + BH3O3 = C2H7NO(BH3O3)3 =>
C2H7NO + 3 BH3O3 = C2H7NO(BH3O3)3
F2 + NaBr = Br + NaF =>
F2 + 2 NaBr = 2 Br + 2 NaF
CU(aq) + HCl(aq) = CUCl2(aq) + H2(g) =>
CU(aq) + 2 HCl(aq) = CUCl2(aq) + H2(g)
Zn + Ca(OH)2 = Zn(OH)2 + Ca =>
Zn + Ca(OH)2 = Zn(OH)2 + Ca
Na2S2O3 + HCl = NaCl + S + H2O3 =>
Na2S2O3 + 2 HCl = 2 NaCl + 2 S + H2O3
NaAlO2 + HCl = HAlO2 + NaCl =>
NaAlO2 + HCl = HAlO2 + NaCl
P2O3 = O3 + P =>
P2O3 = O3 + 2 P
C2(g)H2(g) + O2 = CO2(g) + H2O(l) =>
2 C2(g)H2(g) + 5 O2 = 4 CO2(g) + 2 H2O(l)
Kl + PbCl2 = KlCl4 + Pb =>
Kl + 2 PbCl2 = KlCl4 + 2 Pb
AlBr3 + K2SO3 + H2O = Al2(SO4)3 + KBr + H2 =>
2 AlBr3 + 3 K2SO3 + 3 H2O = Al2(SO4)3 + 6 KBr + 3 H2
Cu + ZnO = Zn + CuO =>
Cu + ZnO = Zn + CuO
Ca3H8 + O2 = CaO2 + H2O =>
Ca3H8 + 5 O2 = 3 CaO2 + 4 H2O
Ti + HSO = Ti2(HSO)3 =>
2 Ti + 3 HSO = Ti2(HSO)3
K2[Fe(CN)6] + KI + ZnSO4 = Zn2[Fe(CN)6] + K2SO4 + I2 =>
K2[Fe(CN)6] + 2 KI + 2 ZnSO4 = Zn2[Fe(CN)6] + 2 K2SO4 + I2
KBr + KCr2O7 + H2SO4 = Cr3SO4 + KSO4 + Br2 + H2O =>
16 KBr + 3 KCr2O7 + 21 H2SO4 = 2 Cr3SO4 + 19 KSO4 + 8 Br2 + 21 H2O
Zn(NO3)2 + Mg(s) = Mg(NO3)2 + Zn(s) =>
Zn(NO3)2 + Mg(s) = Mg(NO3)2 + Zn(s)
HNi + SO4{2-} + H{+} = Ni{2+} + H2SO3 + H2O =>
2 HNi + 3 SO4{2-} + 10 H{+} = 2 Ni{2+} + 3 H2SO3 + 3 H2O
F + O = FO2 =>
F + 2 O = FO2
Co(NO3)2H2O + P(OPh)3 + BH4 = CoH[P(OPh)3]4 + BH3 + NO3 + H2O =>
Co(NO3)2H2O + 4 P(OPh)3 + BH4 = CoH[P(OPh)3]4 + BH3 + 2 NO3 + H2O
SO2 + C = SC + CO2 =>
SO2 + 2 C = SC + CO2
C8H8 + O2 = HOH + CO2 =>
C8H8 + 10 O2 = 4 HOH + 8 CO2
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)2(aq) + Cd(s) =>
Fe(s) + Cd(NO3)2(aq) = Fe(NO3)2(aq) + Cd(s)
Al + HClO3 = Al(ClO3)3 + Cl2 + H2O =>
10 Al + 36 HClO3 = 10 Al(ClO3)3 + 3 Cl2 + 18 H2O
Zn + CuClO3 = Cu + ZnClO3 =>
Zn + CuClO3 = Cu + ZnClO3
Cu2O3(s) + NH3(g) = Cu(s) + H2O(g) + N2(g) =>
Cu2O3(s) + 2 NH3(g) = 2 Cu(s) + 3 H2O(g) + N2(g)
Fe(No3)3 + K2S + H2O = Fe(OH)3 + H2S + KNo3 =>
2 Fe(No3)3 + 3 K2S + 6 H2O = 2 Fe(OH)3 + 3 H2S + 6 KNo3
Cr(OH)3 + H = Cr(OH)2 + H2O =>
Cr(OH)3 + H = Cr(OH)2 + H2O
FeCl3 + Na2O2 = FeO + NaCl + O2 =>
2 FeCl3 + 3 Na2O2 = 2 FeO + 6 NaCl + 2 O2
(NH4)2S + ZnCrO4 = NH4CrO4 + Zn2S =>
(NH4)2S + 2 ZnCrO4 = 2 NH4CrO4 + Zn2S
P4 + KOH + H2O = PH3 + K2HPO3 =>
P4 + 4 KOH + 2 H2O = 2 PH3 + 2 K2HPO3
KCl + KSCN = K + ClSCN =>
KCl + KSCN = 2 K + ClSCN
Se + NaXe = NaSe2 + Xe =>
2 Se + NaXe = NaSe2 + Xe
Co(NO3)2 + KOH = Co(OH)2 + KNO3 =>
Co(NO3)2 + 2 KOH = Co(OH)2 + 2 KNO3
Ca(OH)2 + *CO2 = CaCO3 + H2O =>
Ca(OH)2 + *CO2 = CaCO3 + H2O
CaS(aq) + BaCl2(aq) = CaCl2 + BaS =>
CaS(aq) + BaCl2(aq) = CaCl2 + BaS
CH3CH2CHC(CH3)CH3 + KMnO4 + H2SO4 = CH3CH2CH2C(O)CH3 + MnSO4 + K2SO4 + H2O =>
25 CH3CH2CHC(CH3)CH3 + 12 KMnO4 + 18 H2SO4 = 30 CH3CH2CH2C(O)CH3 + 12 MnSO4 + 6 K2SO4 + 18 H2O
PbO2 + NO + HNO3 = Pb(NO3)2 + H2O =>
3 PbO2 + 2 NO + 4 HNO3 = 3 Pb(NO3)2 + 2 H2O
H2SO4(at) + NaOH(at) = H2O(l) + Na2SO4(aq) =>
H2SO4(at) + 2 NaOH(at) = 2 H2O(l) + Na2SO4(aq)
NH4ClO4(s) + Al(s) = Al2O3(s) + HCl(g) + N2(g) + H2O(g) =>
6 NH4ClO4(s) + 10 Al(s) = 5 Al2O3(s) + 6 HCl(g) + 3 N2(g) + 9 H2O(g)
C6H6 + HNO3 + H2SO4 = C6H3(NO2)3 + H3O + HSO4 =>
C6H6 + 3 HNO3 + 3 H2SO4 = C6H3(NO2)3 + 3 H3O + 3 HSO4
Zn + SO4 + ZnO = ZnSO4*2ZnO =>
Zn + SO4 + 2 ZnO = ZnSO4*2ZnO
AlCl3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Al2(SO4)3 + Cl2 + H2O =>
10 AlCl3 + 6 KMnO4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 Al2(SO4)3 + 15 Cl2 + 24 H2O
Ca3P2 + H2O = Ca(OH)2 + PH3 = =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
HCl + Ag(OH)3 = AgCl3 + H2O =>
3 HCl + Ag(OH)3 = AgCl3 + 3 H2O
SiH4 + H2O = H2SiO3 + H2 =>
SiH4 + 3 H2O = H2SiO3 + 4 H2
NaOCH3(s) + H2O(l) = CH3OH(aq) + NaOH(aq) =>
NaOCH3(s) + H2O(l) = CH3OH(aq) + NaOH(aq)
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