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Na2S(aq) + 2 HCl = 2 NaCl(aq) + H2S(g)
NO2 + B + NaOH = NaNO2 + NaBO2 + H2O =>
3 NO2 + B + 4 NaOH = 3 NaNO2 + NaBO2 + 2 H2O
CaS + NaCl = CaCl2 + Na2S =>
CaS + 2 NaCl = CaCl2 + Na2S
Fe + ClF3 = Cl2 + FeF3 =>
2 Fe + 2 ClF3 = Cl2 + 2 FeF3
H + He = H23810280921812He23912832182183123892013891203809128390218301283901803829018094820398213 =>
23810280921812 H + 9223372036854775807 He = H23810280921812He23912832182183123892013891203809128390218301283901803829018094820398213
Al2(S04)3 + Pb(N03)2 = Al(N03)3 + PbS04 =>
Al2(S04)3 + 3 Pb(N03)2 = 2 Al(N03)3 + 3 PbS04
Zn + HCl + Na(NO3)2 = ZnCl + N2O + H2O + NaCl =>
9 Zn + 10 HCl + Na(NO3)2 = 9 ZnCl + N2O + 5 H2O + NaCl
P{2-} + Ni{2+} = NiP =>
P{2-} + Ni{2+} = NiP
CH3CHO + O2 = CO2 + H2 =>
2 CH3CHO + 3 O2 = 4 CO2 + 4 H2
CNH2N + KMnO4 + H2O = CNH2N(OH)2 + MnO2 + KOH =>
3 CNH2N + 2 KMnO4 + 4 H2O = 3 CNH2N(OH)2 + 2 MnO2 + 2 KOH
Mg + N2 = Mg3N9 =>
6 Mg + 9 N2 = 2 Mg3N9
Ca(OH)2 + Cl = Ca(ClO)2 + HCl =>
Ca(OH)2 + 4 Cl = Ca(ClO)2 + 2 HCl
Pb(NO3)2(aq) + NaL(aq) = PbL2(ppt) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaL(aq) = PbL2(ppt) + 2 NaNO3(aq)
C12H48 + O = CO2 + H2O =>
C12H48 + 48 O = 12 CO2 + 24 H2O
Cr3{+} + MnO4{-} + H2O = Cr2O7{-2} + Mn2{+} + H{+} =>
26 Cr3{+} + 68 MnO4{-} + H2O = 39 Cr2O7{-2} + 34 Mn2{+} + 2 H{+}
CuO + C2H6 = Cu + CO2 + H2O =>
7 CuO + C2H6 = 7 Cu + 2 CO2 + 3 H2O
ZnSO4 + Ca(C2H3O2)2 = Zn(C2H3O2)2 + CaSO4 =>
ZnSO4 + Ca(C2H3O2)2 = Zn(C2H3O2)2 + CaSO4
K2Cr2O7 + HBr = Br2 + KCrO2 + H2O =>
K2Cr2O7 + 6 HBr = 3 Br2 + 2 KCrO2 + 3 H2O
NaH2PO2 + HCl = NaCl + H3PO2 =>
NaH2PO2 + HCl = NaCl + H3PO2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CaS + H2O + CO2 = Ca(HCO3)2 + H2S =>
CaS + 2 H2O + 2 CO2 = Ca(HCO3)2 + H2S
C6H12O6(s) + O2 = H2O + CO2 =>
C6H12O6(s) + 6 O2 = 6 H2O + 6 CO2
Cu(NO3)2(aq) + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2(aq) + 2 KOH = Cu(OH)2 + 2 KNO3
K2S(s) + HI(aq) = H2S(g) + KI(aq) =>
K2S(s) + 2 HI(aq) = H2S(g) + 2 KI(aq)
(N2)2O3 + O2 = N2(O2)3 =>
2(N2)2O3 + 9 O2 = 4 N2(O2)3
PbS + HNO3 = S + Pb(NO3)2 + NO + H2O =>
3 PbS + 8 HNO3 = 3 S + 3 Pb(NO3)2 + 2 NO + 4 H2O
CaCl2(aq) + Cu(s) = Ca(s) + CuCl2(aq) =>
CaCl2(aq) + Cu(s) = Ca(s) + CuCl2(aq)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Mg + Al2(SO4)3 = Mg(SO4)9 + Al =>
Mg + 3 Al2(SO4)3 = Mg(SO4)9 + 6 Al
H2S + HF = SF4 + H =>
H2S + 4 HF = SF4 + 6 H
H3PO4 + H3BO3 + C13H26O11N2Na2 = BP + NaOH + CO2 + N2 + H2 =>
17 H3PO4 + 17 H3BO3 + 7 C13H26O11N2Na2 = 17 BP + 14 NaOH + 91 CO2 + 7 N2 + 135 H2
CaCO3 + Cl2 = Cl2O + CaCl + CO2 =>
2 CaCO3 + 3 Cl2 = 2 Cl2O + 2 CaCl + 2 CO2
CuS2 + HNO3 = CuSO4 + H2SO4 + NO2 + H2O =>
CuS2 + 14 HNO3 = CuSO4 + H2SO4 + 14 NO2 + 6 H2O
NH4(NO3) + KOH = K(NO3) + NH3 + H2O =>
NH4(NO3) + KOH = K(NO3) + NH3 + H2O
Cl2 + KOH + H2O2 = KClO3 + H2O =>
Cl2 + 2 KOH + 5 H2O2 = 2 KClO3 + 6 H2O
NO3 + H = NH4 + H2O =>
NO3 + 10 H = NH4 + 3 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2CO3 + H2NO3 = CO2 + H2O + Na2NO3 =>
Na2CO3 + H2NO3 = CO2 + H2O + Na2NO3
O2 + H2S = H2O + S =>
O2 + 2 H2S = 2 H2O + 2 S
PbCl2 + Na2SO4 = NaCl + PbSO4 =>
PbCl2 + Na2SO4 = 2 NaCl + PbSO4
K3FeC6N6 + Cr2O3 + KOH = K4FeC6N6 + K2CrO4 + H2O =>
6 K3FeC6N6 + Cr2O3 + 10 KOH = 6 K4FeC6N6 + 2 K2CrO4 + 5 H2O
Na2CrO4 + Pb = Na + PbCrO4 =>
Na2CrO4 + Pb = 2 Na + PbCrO4
NaI + Cu(NO3)2 = CuI2 + NaNO3 =>
2 NaI + Cu(NO3)2 = CuI2 + 2 NaNO3
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Na2CO3 + Na3PO4 = Na2PO4 + (Na3)2CO3 =>
Na2CO3 + 4 Na3PO4 = 4 Na2PO4 + (Na3)2CO3
PbI2 = Pb + I =>
PbI2 = Pb + 2 I
H2SO4 + HJ = H2S + J + H2O =>
H2SO4 + 8 HJ = H2S + 8 J + 4 H2O
HBr + K2Cr2O7 = KBr + Br2 + CrBr3 + H2O =>
14 HBr + K2Cr2O7 = 2 KBr + 3 Br2 + 2 CrBr3 + 7 H2O
HCl + MnO2 + KBiO3 = KMnO4 + H2O + KCl + BiCl3 =>
10 HCl + 2 MnO2 + 3 KBiO3 = 2 KMnO4 + 5 H2O + KCl + 3 BiCl3
Sn + CH3COOH = Sn(CH3COO)2 + H2 =>
Sn + 2 CH3COOH = Sn(CH3COO)2 + H2
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