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S4 + 3 O2 = 2 S2O3
C2H3COOH + NH3 = C2H3CN + H2O =>
C2H3COOH + NH3 = C2H3CN + 2 H2O
C12H25O3 + O2 = CO2 + H2O =>
4 C12H25O3 + 67 O2 = 48 CO2 + 50 H2O
OH(aq) + H2PO4(aq) = HPO4(aq) + H2O(l) =>
OH(aq) + H2PO4(aq) = HPO4(aq) + H2O(l)
HClO3(at) + HBr(aq) = HCl(aq) + Br2(g) + H2O =>
HClO3(at) + 6 HBr(aq) = HCl(aq) + 3 Br2(g) + 3 H2O
CH3OH + Na = CH3ONa + H2 =>
2 CH3OH + 2 Na = 2 CH3ONa + H2
HOC6H12COOH + CH3COOCOCH3 = CH3COOC6H12COOH + CH3COOH =>
HOC6H12COOH + CH3COOCOCH3 = CH3COOC6H12COOH + CH3COOH
Cr2O3 + Ca(OH)2 + H2O = Ca3[Cr(OH)6]2 =>
Cr2O3 + 3 Ca(OH)2 + 3 H2O = Ca3[Cr(OH)6]2
Ag + S = Ag2S7 =>
2 Ag + 7 S = Ag2S7
KJ + Fe2(SO4)3 = J2 + K2SO4 + FeSO4 =>
2 KJ + Fe2(SO4)3 = J2 + K2SO4 + 2 FeSO4
NaHCO3(aq) = Na2CO3CO2H2O(l) =>
2 NaHCO3(aq) = Na2CO3CO2H2O(l)
K2CrO4 + Ba = K2 + BaCrO4 =>
K2CrO4 + Ba = K2 + BaCrO4
Na2O* + H2O = NaOH =>
Na2O* + H2O = 2 NaOH
CaF2 + H2SO4 = CaS + HF + O2 =>
CaF2 + H2SO4 = CaS + 2 HF + 2 O2
C2H3Br + KOH = C2H2 + KBr + H2O =>
C2H3Br + KOH = C2H2 + KBr + H2O
HCl + Mg(OH)2 = HOH + Cl + Mg2 =>
4 HCl + 2 Mg(OH)2 = 4 HOH + 4 Cl + Mg2
ClO2 + Mn{2+} + H2O = ClO2{-} + MnO4{-} + H{+} =>
5 ClO2 + Mn{2+} + 4 H2O = 5 ClO2{-} + MnO4{-} + 8 H{+}
Na2SO4(s) + C2(g) = Na2S(s) + CO2(g) =>
Na2SO4(s) + C2(g) = Na2S(s) + 2 CO2(g)
Na3PO4 = Na + PO4 =>
Na3PO4 = 3 Na + PO4
HNO2 + KMnO4 + H2SO4 = K2SO4 + HNO3 + MnSO4 + H2O =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 5 HNO3 + 2 MnSO4 + 3 H2O
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CuSO4 + NaOH(aqu) = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH(aqu) = Cu(OH)2 + Na2SO4
Cu2S + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 Cu2S + 16 HNO3 = 6 Cu(NO3)2 + 3 S + 4 NO + 8 H2O
CaCO3 + H2CO3 = Ca(OH)2 + (CO2)2 =>
CaCO3 + H2CO3 = Ca(OH)2 + (CO2)2
C4H6O4Hg + Na2S = HgS + Na2C4H6O4 =>
C4H6O4Hg + Na2S = HgS + Na2C4H6O4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cr(NO3)3 + NH3 + H2O = Cr(OH)3 + NH4(NO3) =>
Cr(NO3)3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4(NO3)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ag + HBr = AgBr + H2 =>
2 Ag + 2 HBr = 2 AgBr + H2
K2Cr2O7 + H2SO4 + C2H5OH = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
2 K2Cr2O7 + 8 H2SO4 + C2H5OH = 2 K2SO4 + 2 Cr2(SO4)3 + 2 CO2 + 11 H2O
N + CuCl2 = NCl + Cu =>
2 N + CuCl2 = 2 NCl + Cu
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
Zn(ClO3)2 = Zn + (ClO3) =>
Zn(ClO3)2 = Zn + 2(ClO3)
KJ + Fe2(SO4)3 = J2 + K2SO4 + FeSO4 =>
2 KJ + Fe2(SO4)3 = J2 + K2SO4 + 2 FeSO4
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Cu2S + FeS + S2 = CuFeS2 =>
2 Cu2S + 4 FeS + S2 = 4 CuFeS2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
BaCO3 = BaO + CO2(g) =>
BaCO3 = BaO + CO2(g)
(NH4)2SO4 + BaCl2 = BaSO4 + NH4Cl =>
(NH4)2SO4 + BaCl2 = BaSO4 + 2 NH4Cl
Al + NaOH = NaAlO2 + Na2O + H2 =>
2 Al + 6 NaOH = 2 NaAlO2 + 2 Na2O + 3 H2
BaO + CaO = CaBaO2 =>
BaO + CaO = CaBaO2
RuO3 = Ru + O3 =>
RuO3 = Ru + O3
CH3CH2NHCH3 + HBr = CH3CH2NH2CH3 + Br =>
CH3CH2NHCH3 + HBr = CH3CH2NH2CH3 + Br
C14H10Br2 + KOH = C14H8 + KBr + H2O =>
C14H10Br2 + 2 KOH = C14H8 + 2 KBr + 2 H2O
Pb(No3)2 + K2S = PbS + KNo3 =>
Pb(No3)2 + K2S = PbS + 2 KNo3
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
FeBr2 + H2O = H2FeBr2O =>
FeBr2 + H2O = H2FeBr2O
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