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2 N2 + 5 O2 = 2 N2O5
Ca + NaCl = CaCl2 + Na =>
Ca + 2 NaCl = CaCl2 + 2 Na
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
KIO3 = KI + O2 =>
2 KIO3 = 2 KI + 3 O2
C7H7N + O2 = CO2 + H2O + NO =>
4 C7H7N + 37 O2 = 28 CO2 + 14 H2O + 4 NO
Na + Ca(PO4) = Na3PO4 + Ca =>
3 Na + Ca(PO4) = Na3PO4 + Ca
NaI + CaCl2 = NaCl + CaI2 =>
2 NaI + CaCl2 = 2 NaCl + CaI2
KOH = K2O + H2O =>
2 KOH = K2O + H2O
NaOH + C18H30O3S = NaC18H29O3S + H2O =>
NaOH + C18H30O3S = NaC18H29O3S + H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
MnO2 + C = Mn + CO2 =>
MnO2 + C = Mn + CO2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
Zn + HCe = H2 + ZnCe =>
2 Zn + 2 HCe = H2 + 2 ZnCe
CH3CH2CH2COOH + NaOH = NaCH3CH2CH2COO + H2O =>
CH3CH2CH2COOH + NaOH = NaCH3CH2CH2COO + H2O
Cr2O3(s) + CO(g) = Cr(s) + CO2(g) =>
Cr2O3(s) + 3 CO(g) = 2 Cr(s) + 3 CO2(g)
CH3CH2Br + CH3COOK = CH3CH2OOCCH3 + KBr =>
CH3CH2Br + CH3COOK = CH3CH2OOCCH3 + KBr
HBrO3 + Ba3(PO4)2 = Ba(BrO3)2 + H3PO4 =>
6 HBrO3 + Ba3(PO4)2 = 3 Ba(BrO3)2 + 2 H3PO4
CO2 + Na2O2 = Na2CO3 + O3 =>
3 CO2 + 3 Na2O2 = 3 Na2CO3 + O3
Cs2CO3 + H2O + CO2 = CsHCO3 =>
Cs2CO3 + H2O + CO2 = 2 CsHCO3
O2 + K = OK =>
O2 + 2 K = 2 OK
Mg + Ag{+} = Mg{2+} + Ag2 =>
Mg + 2 Ag{+} = Mg{2+} + Ag2
H2S + Ca(HO)2 = CaS + H2O =>
H2S + Ca(HO)2 = CaS + 2 H2O
HCl + UO2(CO3)2 = H2O + CO2 + UO2 + Cl =>
4 HCl + UO2(CO3)2 = 2 H2O + 2 CO2 + UO2 + 4 Cl
Na4SiO4 + H2O = NaOH + H4SiO4 =>
Na4SiO4 + 4 H2O = 4 NaOH + H4SiO4
Na2SO4(aq) + Cu(NO3)2(aq) = Na2(NO3)2(aq) + CuSO4(s) =>
Na2SO4(aq) + Cu(NO3)2(aq) = Na2(NO3)2(aq) + CuSO4(s)
K2Cr2O7 + *H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + O2 =>
2 K2Cr2O7 + 8*H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
FeS2(s) + O2(g) = SO2(g) + Fe2O3(s) =>
4 FeS2(s) + 11 O2(g) = 8 SO2(g) + 2 Fe2O3(s)
C5H8 + K2Cr2O7 + H2SO4 = HOOCCH2CH2CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C5H8 + 4 K2Cr2O7 + 16 H2SO4 = 3 HOOCCH2CH2CH2COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
C17H33COOCH + AlOH = C17H33COOAl + CHOH =>
C17H33COOCH + AlOH = C17H33COOAl + CHOH
Fe3Al2(SiO4)3 + CaO + SiO2 + OH + Ca2Al3(Si2O7)(SiO4)O(OH) = Ca2FeAl2(Si2O7)(SiO4)O(OH) + H2O =>
3 Fe3Al2(SiO4)3 + 10 CaO + 6 SiO2 + 9 OH + 4 Ca2Al3(Si2O7)(SiO4)O(OH) = 9 Ca2FeAl2(Si2O7)(SiO4)O(OH) + 2 H2O
H2O + AuCl3 + SbO2 = Au + SbO5 + HCl =>
3 H2O + 2 AuCl3 + SbO2 = 2 Au + SbO5 + 6 HCl
K3[Co(C2O4)3] + Na2S = CoS + K2C2O4 + Na2C2O4 + CO2 =>
2 K3[Co(C2O4)3] + 2 Na2S = 2 CoS + 3 K2C2O4 + 2 Na2C2O4 + 2 CO2
SnCl4 = Sn + Cl2 =>
SnCl4 = Sn + 2 Cl2
CdS(s) + H2SO4(aq) = CdSO4(aq) + H2S(g) =>
CdS(s) + H2SO4(aq) = CdSO4(aq) + H2S(g)
Rb + Br2 = Rb2Br =>
4 Rb + Br2 = 2 Rb2Br
Pb(NO3)2(aq) + KI(aq) = K(NO3)2(s) + PbI(aq) =>
Pb(NO3)2(aq) + KI(aq) = K(NO3)2(s) + PbI(aq)
Ag2(SO4) + KI2 = AgI + K(SO4) =>
Ag2(SO4) + KI2 = 2 AgI + K(SO4)
Cr(OH)3 + NaClO + NaOH = NaCl + Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 NaClO + 4 NaOH = 3 NaCl + 2 Na2CrO4 + 5 H2O
PbCl2 + AgNO3 = AgCl + Pb(NO3)2 =>
PbCl2 + 2 AgNO3 = 2 AgCl + Pb(NO3)2
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
NH3(aq) + NH2Cl(aq) = N2H4(aq) + NH4Cl(aq) =>
2 NH3(aq) + NH2Cl(aq) = N2H4(aq) + NH4Cl(aq)
NH3 + HCI = NH4{-} + CI{+} =>
NH3 + HCI = NH4{-} + CI{+}
NaHCO3(s) + AgNO3(l) = NaNO3(aq) + AgOH(s) + CO2(g) =>
NaHCO3(s) + AgNO3(l) = NaNO3(aq) + AgOH(s) + CO2(g)
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Al + H{+} + H2O = AlO6H12{3+} + H2 =>
2 Al + 6 H{+} + 12 H2O = 2 AlO6H12{3+} + 3 H2
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