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4 Na + O2 = 2 Na2O
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Zn(OH)2 + P2O5 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + P2O5 = Zn3(PO4)2 + 3 H2O
K2SO4 + HCl = H2SO4 + KCl =>
K2SO4 + 2 HCl = H2SO4 + 2 KCl
HCHO + [Ag(NH3)2]{+} + OH{-} = CO32{-} + Ag + NH3 + H2O =>
HCHO + 63[Ag(NH3)2]{+} + 64 OH{-} = CO32{-} + 63 Ag + 126 NH3 + 33 H2O
H2 + F2 = HF = {-}537kj =>
H2 + F2 = 2 HF
NaO + AI = Na3AIO3 =>
3 NaO + AI = Na3AIO3
Au + H2SO4 = (Au2SO4)3 + H2 =>
6 Au + 3 H2SO4 = (Au2SO4)3 + 3 H2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Zinc + Fe2O3 = ZnO + Fe =>
3 Zn + Fe2O3 = 3 ZnO + 2 Fe
CaCl + NaS = CaS + NaCl =>
CaCl + NaS = CaS + NaCl
CuSO4 + AlBr3 = CuBr2 + Al2(SO4)3 =>
3 CuSO4 + 2 AlBr3 = 3 CuBr2 + Al2(SO4)3
Ba(OH)2 + CuNO3 = BaNO3 + Cu(OH)2 =>
Ba(OH)2 + CuNO3 = BaNO3 + Cu(OH)2
S + F2 = SF =>
2 S + F2 = 2 SF
BaI2(aq) + K2CO3(aq) = KI(aq) + BaCO3(s) =>
BaI2(aq) + K2CO3(aq) = 2 KI(aq) + BaCO3(s)
C(NH2)3NO3 = N2 + H2O + C =>
C(NH2)3NO3 = 2 N2 + 3 H2O + C
BaCO3 + K3(PO4) = Ba3(PO4)2 + K2(CO3) =>
3 BaCO3 + 2 K3(PO4) = Ba3(PO4)2 + 3 K2(CO3)
NO3 + PO4 = NO3PO4 =>
NO3 + PO4 = NO3PO4
Ag2S + NO3 + H{+} = S + NO + Ag{+} + H2O =>
2 Ag2S + NO3 + 4 H{+} = 2 S + NO + 4 Ag{+} + 2 H2O
BaCl + HNO3 = HCl + BaNO3 =>
BaCl + HNO3 = HCl + BaNO3
CO + NaH = C + NaHCO3 =>
3 CO + NaH = 2 C + NaHCO3
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
[Cu(NH3)4] + K4[Fe(CN)6] = Cu4[Fe(CN)6]2 + K + NH3 =>
4[Cu(NH3)4] + 2 K4[Fe(CN)6] = Cu4[Fe(CN)6]2 + 8 K + 16 NH3
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CrO5 + H2O2 + H{+} = Cr{3+} + H2O + O2 =>
2 CrO5 + 7 H2O2 + 6 H{+} = 2 Cr{3+} + 10 H2O + 7 O2
Ammoniumhydroxide = ammonia + water =>
NH4OH = NH3 + H2O
CaCl2(aq) + NaI(aq) = NaCl(aq) + CaI2(aq) =>
CaCl2(aq) + 2 NaI(aq) = 2 NaCl(aq) + CaI2(aq)
CuO + HCl + Al = Cu + Al(OHCl)2 =>
2 CuO + 2 HCl + Al = 2 Cu + Al(OHCl)2
CuCl + HNO3 = Cu2 + HCl + NO3 =>
2 CuCl + 2 HNO3 = Cu2 + 2 HCl + 2 NO3
KSO4 + Ba(NO3) = K(NO3) + BaSO4 =>
KSO4 + Ba(NO3) = K(NO3) + BaSO4
Na2S + Mg(NO3)2 = MgS + Na(NO3) =>
Na2S + Mg(NO3)2 = MgS + 2 Na(NO3)
KIO3 + KI + H2SO4 = K2SO4 + H2O + I3 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 2 I3
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
C4H9OH + K2Cr2O7 + HCl = C3H7COH + CrCl3 + H2O + KCl =>
3 C4H9OH + K2Cr2O7 + 8 HCl = 3 C3H7COH + 2 CrCl3 + 7 H2O + 2 KCl
NaNO2 + Na2S2O3 + H2O = NO + Na2SO4 + NaOH =>
8 NaNO2 + Na2S2O3 + 3 H2O = 8 NO + 2 Na2SO4 + 6 NaOH
C13H15O6N + H2 = C12H13O3N + H2O + CH3OH =>
C13H15O6N + 3 H2 = C12H13O3N + 2 H2O + CH3OH
CH3CO2C2H2 + H2O = C2H5OH + CH3COOH =>
4 CH3CO2C2H2 + 7 H2O = C2H5OH + 7 CH3COOH
K2Cr2O7 + HCl + C2H5OH = CrCl3 + CO2 + KCl + H2O =>
2 K2Cr2O7 + 16 HCl + C2H5OH = 4 CrCl3 + 2 CO2 + 4 KCl + 11 H2O
SO2 + CaCo3 + O2 + H2O = CaSO4*2H2O + Co2 =>
2 SO2 + 2 CaCo3 + 2 O2 + 4 H2O = 2 CaSO4*2H2O + 3 Co2
C6H12O + KMnO4 + H2SO4 = C6H10O4 + MnSO4 + K2SO4 + H2O =>
5 C6H12O + 8 KMnO4 + 12 H2SO4 = 5 C6H10O4 + 8 MnSO4 + 4 K2SO4 + 17 H2O
CH3CSNH2 + H2O = CH3COOH + NH3 + H2S =>
CH3CSNH2 + 2 H2O = CH3COOH + NH3 + H2S
K2CrO4(s) + Hg2Cl2(s) = Hg2CrO4(s) + KCl(s) =>
K2CrO4(s) + Hg2Cl2(s) = Hg2CrO4(s) + 2 KCl(s)
NH4Cl + Ba(OH)2 = BaCl2 + NH4OH =>
2 NH4Cl + Ba(OH)2 = BaCl2 + 2 NH4OH
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Cl2 + NO + H2O = HCl + HNO3 =>
3 Cl2 + 2 NO + 4 H2O = 6 HCl + 2 HNO3
Fe2(SO4)3 + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 Fe2(SO4)3 + 16 KI + 2 KIO3 + 6 H2O = 6 Fe(OH)2 + 9 K2SO4 + 9 I2
KMnO4 + KHCO3 + MnO2 = K2MnO4 + CO2 + H2O =>
2 KMnO4 + 4 KHCO3 + MnO2 = 3 K2MnO4 + 4 CO2 + 2 H2O
KCI + I2 = KI + CI2 =>
KCI + I2 = KI + CI2
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