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3 CH2O + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
FeSo4 + NaOh = Fe(Oh)2 + Na2So4 =>
FeSo4 + 2 NaOh = Fe(Oh)2 + Na2So4
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Ag + CO3 = Ag2CO3 =>
2 Ag + CO3 = Ag2CO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + CaCl2(aq) = CaCO3(s) + 2 NaCl(aq)
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgI = Ag + I2 =>
2 AgI = 2 Ag + I2
Na2S + H2O = NaOH + H2S =>
Na2S + 2 H2O = 2 NaOH + H2S
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
HNO3(aq) + Zn(s) = H2 + Zn(NO3)2 =>
2 HNO3(aq) + Zn(s) = H2 + Zn(NO3)2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CH3COH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3COH + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Se24 + Rf6 = Se6Rf6 =>
Se24 + 4 Rf6 = 4 Se6Rf6
NO + O2(g) = NO2(g) =>
2 NO + O2(g) = 2 NO2(g)
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
KMNO4 + Na2SO3 + H20 = MNO2 + Na2SO4 + KOH =>
20 KMNO4 + 20 Na2SO3 + H20 = 20 MNO2 + 20 Na2SO4 + 20 KOH
Fe + HNO3 = Fe(NO3) + NO2 + H2O =>
Fe + 2 HNO3 = Fe(NO3) + NO2 + H2O
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(s) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(s) + 2 NH4NO3(aq)
Ag2SO4 + AlCl3 = Ag2Cl3 + AlSO4 =>
Ag2SO4 + AlCl3 = Ag2Cl3 + AlSO4
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Hg + HNO3 = Hg(NO3)2 + H2O + NO2 =>
Hg + 4 HNO3 = Hg(NO3)2 + 2 H2O + 2 NO2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
CO3 + H2O = HCO3 + OH =>
CO3 + H2O = HCO3 + OH
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
HNO3 + SnCl2 + HCl = SnCl4 + N2O + H2O =>
2 HNO3 + 4 SnCl2 + 8 HCl = 4 SnCl4 + N2O + 5 H2O
MnSO4 + (NH4)2S2O8 + H2O = HMnO4 + H2SO4 + (NH4)2SO4 =>
2 MnSO4 + 5(NH4)2S2O8 + 8 H2O = 2 HMnO4 + 7 H2SO4 + 5(NH4)2SO4
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
(NH4)3PO4 + CaCl2 = (NH4)Cl2 + Ca3PO4 =>
(NH4)3PO4 + 3 CaCl2 = 3(NH4)Cl2 + Ca3PO4
Al + C2O4 = Al2(C2O4)3 =>
2 Al + 3 C2O4 = Al2(C2O4)3
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H20 =>
20 NH4NO3 + 15 Ca(OH)2 = 15 Ca(NO3)2 + 10 NH3 + 4 H20
BaS(aq) + KCl(aq) = BaCl2(s) + K2S(aq) =>
BaS(aq) + 2 KCl(aq) = BaCl2(s) + K2S(aq)
C5H12 + O2 = CO + H20 =>
10 C5H12 + 25 O2 = 50 CO + 6 H20
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
NH3 + N2O = N2 + H2O =>
2 NH3 + 3 N2O = 4 N2 + 3 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
CH3CH2CH(OH)2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2COOH + H2O =>
5 CH3CH2CH(OH)2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH2COOH + 9 H2O
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
H2(g) + Br2(g) = HBr(g) =>
H2(g) + Br2(g) = 2 HBr(g)
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
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