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3 Fe3O4 + 28 HNO3 = 9 Fe(NO3)3 + NO + 14 H2O
Na2O + KOH = NaOH + K2O =>
Na2O + 2 KOH = 2 NaOH + K2O
KMNO4 + NA2SO3 + KOH = K2MNO4 + NA2SO4 + H2O =>
2 KMNO4 + NA2SO3 + 2 KOH = 2 K2MNO4 + NA2SO4 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
CH3COOH + Li2CO3 = Li2CO + H2O + CO2 =>
CH3COOH + 2 Li2CO3 = 2 Li2CO + 2 H2O + 2 CO2
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
Zn + AgNo3 = Zn(No3) + Ag =>
Zn + AgNo3 = Zn(No3) + Ag
MnSO4 = MnO + SO2 + O2 =>
2 MnSO4 = 2 MnO + 2 SO2 + O2
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe + H2O + O2 = Fe(OH)3 =>
4 Fe + 6 H2O + 3 O2 = 4 Fe(OH)3
Cu2O + HNO3 = Cu(NO3)3 + NO + H2O =>
3 Cu2O + 22 HNO3 = 6 Cu(NO3)3 + 4 NO + 11 H2O
CH3COOH + Cu(OH)2 = (CH3COO)2Cu + H2O =>
2 CH3COOH + Cu(OH)2 = (CH3COO)2Cu + 2 H2O
HNO3 + Mg = Mg(NO3)2 + NH4NO3 + H2O =>
10 HNO3 + 4 Mg = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
Cu2O + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu2O + 14 HNO3 = 6 Cu(NO3)2 + 2 NO + 7 H2O
CrI3 + K2CO3 = Cr2(CO3)3 + KI =>
2 CrI3 + 3 K2CO3 = Cr2(CO3)3 + 6 KI
Na2SeO3 + NaBrO3 + H2SO4 = Na2SeO4 + Br2 + Na2SO4 + H2O =>
5 Na2SeO3 + 2 NaBrO3 + H2SO4 = 5 Na2SeO4 + Br2 + Na2SO4 + H2O
Al2O3(s) + CO(g) = Al(s) + CO2(g) =>
Al2O3(s) + 3 CO(g) = 2 Al(s) + 3 CO2(g)
HNO3(aq) + Ca(OH)2(s) = Ca(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ca(OH)2(s) = Ca(NO3)2(aq) + 2 H2O(l)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KOH + H2So4 = K2So4 + H2O =>
2 KOH + H2So4 = K2So4 + 2 H2O
Cl2 + FeBr3 = FeCl3 + Br2 =>
3 Cl2 + 2 FeBr3 = 2 FeCl3 + 3 Br2
Cu + AgNo3 = Ag + CuNo3 =>
Cu + AgNo3 = Ag + CuNo3
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Fe(OH)2 + HNO3 = Fe(NO3)3 + NO + H2O =>
3 Fe(OH)2 + 10 HNO3 = 3 Fe(NO3)3 + NO + 8 H2O
C5H8 + O2 = CO + H2O =>
2 C5H8 + 9 O2 = 10 CO + 8 H2O
SI + KOH + H2O = K2SIO3 + H2 =>
SI + 2 KOH + H2O = K2SIO3 + 2 H2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
P4 + H3 = PH3 =>
P4 + 4 H3 = 4 PH3
Ta + KOH + H2O = K2TaO3 + H2 =>
Ta + 2 KOH + H2O = K2TaO3 + 2 H2
CH3(CH2)4CH6 + O2 = CO2 + H2O =>
4 CH3(CH2)4CH6 + 41 O2 = 24 CO2 + 34 H2O
Pb + PbO4 + H2So4 = PbSo4 + H2O =>
3 Pb + PbO4 + 4 H2So4 = 4 PbSo4 + 4 H2O
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
KNO2 + Mn + H2O = N2O + MnO2 + KOH =>
2 KNO2 + Mn + H2O = N2O + MnO2 + 2 KOH
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
H3N + BaCO3 = Ba3N2 + H2O + CO2 =>
2 H3N + 3 BaCO3 = Ba3N2 + 3 H2O + 3 CO2
FeS2 + H2SO4 = FeSO4 + H2S + S =>
FeS2 + H2SO4 = FeSO4 + H2S + S
CH3COOH + CaCO3 = (CH3COOH)2Ca + CO2 + H2O =>
9 CH3COOH + 4 CaCO3 = 4(CH3COOH)2Ca + 6 CO2 + 2 H2O
Na2S2 + NaOH + Na2SeO4 = Na2SO4 + H2O + Na2SeO3 =>
Na2S2 + 2 NaOH + 7 Na2SeO4 = 2 Na2SO4 + H2O + 7 Na2SeO3
Nb2O5 + Ba = Nb + BaO =>
Nb2O5 + 5 Ba = 2 Nb + 5 BaO
SrCO3 + HCl = Sr + Cl2 + CO2 + H2O =>
SrCO3 + 2 HCl = Sr + Cl2 + CO2 + H2O
Mg + H2So4 = Mg2So4 + H2 =>
2 Mg + H2So4 = Mg2So4 + H2
Mg(s) + ZnSO4(aq) = Zn + MgSO4 =>
Mg(s) + ZnSO4(aq) = Zn + MgSO4
PH3 + KMnO4 + HCl = H3PO4 + MnO2 + KCl + H2O =>
3 PH3 + 8 KMnO4 + 8 HCl = 3 H3PO4 + 8 MnO2 + 8 KCl + 4 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
N2 + O2 = NO =>
N2 + O2 = 2 NO
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
SO2 + H2S + NaOH = Na2S2O3 + H2O =>
4 SO2 + 2 H2S + 6 NaOH = 3 Na2S2O3 + 5 H2O
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