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2 Al + Cr2O3 = Al2O3 + 2 Cr
NaBr(s) + CaF2(s) = NaF(s) + CaBr2(s) =>
2 NaBr(s) + CaF2(s) = 2 NaF(s) + CaBr2(s)
K2C2O4 + Ca3(AsO4)2 = K3(AsO4) + CaC2O4 =>
3 K2C2O4 + Ca3(AsO4)2 = 2 K3(AsO4) + 3 CaC2O4
(C3H6)1000 + O2 = CO + H2O =>
(C3H6)1000 + 3000 O2 = 3000 CO + 3000 H2O
PBO(s) + O2(g) = PBO2(s) =>
2 PBO(s) + O2(g) = 2 PBO2(s)
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
FeSO4(aq)K3PO4(aq) = FePO4(s)K3SO4(aq) =>
FeSO4(aq)K3PO4(aq) = FePO4(s)K3SO4(aq)
Ba(HCO3)2 = BaO + CO2 + H2O =>
Ba(HCO3)2 = BaO + 2 CO2 + H2O
Cr2 + (OH) = Cr(OH)2 =>
Cr2 + 4(OH) = 2 Cr(OH)2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AlP + O2 = Al2O3 + P2O5 =>
2 AlP + 4 O2 = Al2O3 + P2O5
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Ru + HNO3 = Ru(NO3)3 + NO2 + H2O =>
Ru + 6 HNO3 = Ru(NO3)3 + 3 NO2 + 3 H2O
C2H5OH + Cl2 = C2HCl3O + HCl =>
C2H5OH + 4 Cl2 = C2HCl3O + 5 HCl
HNO3 + K = KNO3 + H2O + NO2 =>
2 HNO3 + K = KNO3 + H2O + NO2
AlSi = Al + Si2 =>
2 AlSi = 2 Al + Si2
Fe2(CO3)3 + NaOH = Fe(OH)3 + Na2CO3 =>
Fe2(CO3)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2CO3
C6H5CO2H + CH3OH = C6H5CO2CH3 + H2O =>
C6H5CO2H + CH3OH = C6H5CO2CH3 + H2O
BaCrO4 + FeSO4 + H2SO4 = BaSO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
2 BaCrO4 + 6 FeSO4 + 8 H2SO4 = 2 BaSO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 8 H2O
CuSO4 + NaOH = CuOH + NaSO4 =>
CuSO4 + NaOH = CuOH + NaSO4
CoCl2*6H2O + NH4Cl + NaNO + NH3 = [Co(NO2)2(NH3)4]Cl + H2O + NaCl =>
4 CoCl2*6H2O + 9 NH4Cl + 13 NaNO + 2 NH3 = 4[Co(NO2)2(NH3)4]Cl + 21 H2O + 13 NaCl
CdS(s) + O2(g) = CdO(s) + SO2(g) =>
2 CdS(s) + 3 O2(g) = 2 CdO(s) + 2 SO2(g)
Fe2(SO4)3 + HNO3 = Fe(NO3)3 + H2(SO4) =>
Fe2(SO4)3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2(SO4)
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
Fe2O3 + NaOH = Fe2OH + NaO3 =>
Fe2O3 + NaOH = Fe2OH + NaO3
KI + Cl2 = KCl2 + I2 =>
2 KI + 2 Cl2 = 2 KCl2 + I2
K(OH) + H2(SO4) = K2(SO4) + H2O =>
2 K(OH) + H2(SO4) = K2(SO4) + 2 H2O
Mn + O2 = Mn2O7 =>
4 Mn + 7 O2 = 2 Mn2O7
NaCl + Hg2(NO3)2 = Hg2Cl2 + NaNO3 =>
2 NaCl + Hg2(NO3)2 = Hg2Cl2 + 2 NaNO3
H4MnO4 + C = HC + MnO4 =>
H4MnO4 + 4 C = 4 HC + MnO4
CaHPO4 + NaOH = CaOH2 + NaPO4 =>
CaHPO4 + NaOH = CaOH2 + NaPO4
H02 + CO2 = C6H12O6 + O2 =>
6 H02 + 6 CO2 = C6H12O6 + 3 O2
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
Hg + S = Hg2S =>
2 Hg + S = Hg2S
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Co(NO3)2 + NaSCN = CoSCN + Na(NO3)2 =>
Co(NO3)2 + NaSCN = CoSCN + Na(NO3)2
Ca + HCI = CaCI + H2 =>
2 Ca + 2 HCI = 2 CaCI + H2
HCl + NaNH2NH2 = NaCl + NH3NH2 =>
HCl + NaNH2NH2 = NaCl + NH3NH2
AgCl + NH4NO3 = NH4Cl + AgNO3 =>
AgCl + NH4NO3 = NH4Cl + AgNO3
Mn(s) + CrCl3(aq) = MnCl2(aq) + Cr(s) =>
3 Mn(s) + 2 CrCl3(aq) = 3 MnCl2(aq) + 2 Cr(s)
Ca + Ca(OH)2 = CaOH =>
Ca + Ca(OH)2 = 2 CaOH
CH2Cl2 + H2O = HCHO + HCl =>
CH2Cl2 + H2O = HCHO + 2 HCl
HNO3 + C11H24 = CO2 + H2O + N2 =>
68 HNO3 + 5 C11H24 = 55 CO2 + 94 H2O + 34 N2
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
MgCl2 + KI = MgI2 + KCl =>
MgCl2 + 2 KI = MgI2 + 2 KCl
(C3H5(NO3)3) = CO2 + N2 + H2O + O2 =>
4(C3H5(NO3)3) = 12 CO2 + 6 N2 + 10 H2O + O2
CoS + Na2S = Co + NaS =>
CoS + Na2S = Co + 2 NaS
C + H2O + Cl2 = CO2 + HCl =>
C + 2 H2O + 2 Cl2 = CO2 + 4 HCl
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