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4 FeS2 + 15 O2 = 2 Fe2O3 + 8 SO3
C14H34 + CuO = H2O + CO2 + Cu2 =>
2 C14H34 + 90 CuO = 34 H2O + 28 CO2 + 45 Cu2
NaCO3 + Ca(OH)2 = NaOH + Ca(CO3)2 =>
2 NaCO3 + Ca(OH)2 = 2 NaOH + Ca(CO3)2
C6H5NH2 + H2O = C6H5NO2 + H2 =>
C6H5NH2 + 2 H2O = C6H5NO2 + 3 H2
N2 + H3 = HN =>
3 N2 + 2 H3 = 6 HN
KCl + NaNo3 = KNo3 + NaCl =>
KCl + NaNo3 = KNo3 + NaCl
C8H6O4 + C2H6O2 = C10H10O5 + H2O =>
C8H6O4 + C2H6O2 = C10H10O5 + H2O
NaOH + Ba(OH)2 + Al(OH)3 + H3PO4 = NaHPO4 + Al2Ba3 + H2O =>
12 NaOH + 3 Ba(OH)2 + 2 Al(OH)3 + 12 H3PO4 = 12 NaHPO4 + Al2Ba3 + 24 H2O
C3H6O2 + H2O = CH3COOH + CH3OH =>
C3H6O2 + H2O = CH3COOH + CH3OH
NH4 + Cr2O7 = CrO + N + H2O =>
5 NH4 + 2 Cr2O7 = 4 CrO + 5 N + 10 H2O
C2H2(g) + O2(g) = CO2(g) + H2O(v) =>
2 C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(v)
FeS2 + H2S = FeH2 + S2S =>
FeS2 + H2S = FeH2 + S2S
Cu(NO2)2 + O2 = Cu(NO3)2 =>
Cu(NO2)2 + O2 = Cu(NO3)2
CH3CHO + Na2S = CH3CNaO + H2S =>
2 CH3CHO + Na2S = 2 CH3CNaO + H2S
CH4 + KMnO4 = CH4KMnO4 =>
CH4 + KMnO4 = CH4KMnO4
NiO + HCl = H2 + O2 + NiCl2 =>
2 NiO + 4 HCl = 2 H2 + O2 + 2 NiCl2
H4SIO4 + KOH = KH3SIO4 + H2O =>
H4SIO4 + KOH = KH3SIO4 + H2O
(H)2 + Cl2 = HCl =>
(H)2 + Cl2 = 2 HCl
C2H4NH2 + O2 = CO2 + H2O + N2 =>
2 C2H4NH2 + 7 O2 = 4 CO2 + 6 H2O + N2
PbS + O2(g) = PbO + SO2 =>
2 PbS + 3 O2(g) = 2 PbO + 2 SO2
MnO4{-} + H{+} + C2O4{2-} = Mn2{+} + H2O + CO2 =>
4 MnO4{-} + 32 H{+} + 13 C2O4{2-} = 2 Mn2{+} + 16 H2O + 26 CO2
As2O3 + MnO4{-} + H{+} + H2O = H3AsO4 + Mn{2} =>
5 As2O3 + 4 MnO4{-} + 12 H{+} + 9 H2O = 10 H3AsO4 + 4 Mn{2}
Na3 + PO4 + CaCl = Ca3PO4 + NaCl2 =>
Na3 + 2 PO4 + 6 CaCl = 2 Ca3PO4 + 3 NaCl2
Pb + NaOH = PbOH + PbNa =>
2 Pb + NaOH = PbOH + PbNa
KNo2 + KMnO4 + H2O = KNo3 + MnO2 + KOH =>
9 KNo2 + KMnO4 + 2 H2O = 6 KNo3 + MnO2 + 4 KOH
Li(OH) + Ni(NO2) = Ni(OH) + Li(NO2) =>
Li(OH) + Ni(NO2) = Ni(OH) + Li(NO2)
CuS + NaOH = CuSNaOH =>
CuS + NaOH = CuSNaOH
KHF + NaOH = H2O + KNaF =>
KHF + NaOH = H2O + KNaF
NaF + KMnO4 + H2SO4 = F2 + MnSO4 + H2O + K2SO4 + Na2SO4 =>
10 NaF + 2 KMnO4 + 8 H2SO4 = 5 F2 + 2 MnSO4 + 8 H2O + K2SO4 + 5 Na2SO4
Au + S = SAu =>
Au + S = SAu
U + Te = U3Te7 =>
3 U + 7 Te = U3Te7
Sn + CaCl2 = Ca + SnCl4 =>
Sn + 2 CaCl2 = 2 Ca + SnCl4
Ca(H2PO4)2 + Ca(OH)2 = CaHPO4 + H2O =>
Ca(H2PO4)2 + Ca(OH)2 = 2 CaHPO4 + 2 H2O
K2SO3 = K2O + SO2 =>
K2SO3 = K2O + SO2
Na2CO3 + GaCl3 = Ga2(CO3)3 + NaCl =>
3 Na2CO3 + 2 GaCl3 = Ga2(CO3)3 + 6 NaCl
P2O5 + HCl = H3P + Cl2 + H2O =>
P2O5 + 16 HCl = 2 H3P + 8 Cl2 + 5 H2O
ZnBr2 + K3PO4 = ZnPO4 + K3Br2 =>
ZnBr2 + K3PO4 = ZnPO4 + K3Br2
Fe(OH)2 + K2CrO4 + H2O = Fe(OH)3 + CrO2 + KOH =>
2 Fe(OH)2 + K2CrO4 + 2 H2O = 2 Fe(OH)3 + CrO2 + 2 KOH
HClO3 + As2S5 + H2O = HCl + H3AsO4 + H2SO4 =>
20 HClO3 + 3 As2S5 + 24 H2O = 20 HCl + 6 H3AsO4 + 15 H2SO4
Ru3(CO)12 + AgAuTe4 + Na2O + KAu(CN)2 + Fe2(SO4)3 + H2O = K4Fe(CN)6 + C4H3AuNa2OS + HNO3 + Au2O3 + RuO2 + TeO + Ag2O =>
8 Ru3(CO)12 + 6 AgAuTe4 + 36 Na2O + 96 KAu(CN)2 + 12 Fe2(SO4)3 + 78 H2O = 24 K4Fe(CN)6 + 36 C4H3AuNa2OS + 48 HNO3 + 33 Au2O3 + 24 RuO2 + 24 TeO + 3 Ag2O
KHCO3 + NaHSO4 = Na2SO4 + K2SO4 + H2O + CO2 =>
2 KHCO3 + 2 NaHSO4 = Na2SO4 + K2SO4 + 2 H2O + 2 CO2
HBr + KOH = HOH + KBr =>
HBr + KOH = HOH + KBr
Hg(OH)2 + NaOH = Na[Hg(OH)3] =>
Hg(OH)2 + NaOH = Na[Hg(OH)3]
KOH + Fe(OH)2 = K2[Fe(OH)4] =>
2 KOH + Fe(OH)2 = K2[Fe(OH)4]
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaCl2 + Na3PO4 = CaNa3 + Cl2PO4 =>
CaCl2 + Na3PO4 = CaNa3 + Cl2PO4
IO3{-} + HSO3{-} = I{-} + SO4{2-} + H{+} =>
IO3{-} + 3 HSO3{-} = I{-} + 3 SO4{2-} + 3 H{+}
HCl + NH4OH = H2 + NClOH =>
2 HCl + 2 NH4OH = 5 H2 + 2 NClOH
K2CrO4 + HCl = KCl + H2CrO4 =>
K2CrO4 + 2 HCl = 2 KCl + H2CrO4
MnO + Cr2O3 = MnCr2O4 =>
MnO + Cr2O3 = MnCr2O4
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