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4 As + 5 O2 = 2 As2O5
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C6H5C2H3 + KMnO4 + H2O = C6H5COOK + KOH + MnO3 =>
7 C6H5C2H3 + 40 KMnO4 + 8 H2O = 8 C6H5COOK + 32 KOH + 40 MnO3
OH + As2S3 = H2AsO4 + S + H2O =>
12 OH + As2S3 = 2 H2AsO4 + 3 S + 4 H2O
HCl(g) + O2(g) = Cl2(g) + (H2O)(g) =>
4 HCl(g) + O2(g) = 2 Cl2(g) + 2(H2O)(g)
NiCl2 + NH3 = Ni(NH3)6Cl2 =>
NiCl2 + 6 NH3 = Ni(NH3)6Cl2
H3COOH + CaCO3 + Mg(OH)2 = Ca(CH3COO)2 + MgCO3 + H2O =>
4 H3COOH + CaCO3 + Mg(OH)2 = Ca(CH3COO)2 + MgCO3 + 6 H2O
CsOH + Li2CO3 = Li2(OH)2 + Cs2CO3 =>
2 CsOH + Li2CO3 = Li2(OH)2 + Cs2CO3
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
HCl(aq) + Na2S(aq) = NaCl(s) + H2S(aq) =>
2 HCl(aq) + Na2S(aq) = 2 NaCl(s) + H2S(aq)
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
HCI + AgNO3 = AgCI + HNO3 =>
HCI + AgNO3 = AgCI + HNO3
CH3COH + CU(OH)2 = CUOH + CH3COOH + H2O =>
CH3COH + 2 CU(OH)2 = 2 CUOH + CH3COOH + H2O
H2S + HCl + K2Cr2O7 = KCl + H2O + CrCl3 + S =>
3 H2S + 8 HCl + K2Cr2O7 = 2 KCl + 7 H2O + 2 CrCl3 + 3 S
Zn + NO3{-} + H3O{+} = Zn{+2} + NO2 + H2O =>
Zn + 2 NO3{-} + 4 H3O{+} = Zn{+2} + 2 NO2 + 6 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
N + B = NB =>
N + B = NB
KClO3 + Mg = KCl + MgO =>
KClO3 + 3 Mg = KCl + 3 MgO
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
Li2S2O3 + Zn(NO3)2 = Li2(NO3)2 + ZnS2O3 =>
Li2S2O3 + Zn(NO3)2 = Li2(NO3)2 + ZnS2O3
Li3PO4 + AgNO3 = LiNO3 + Ag3PO4 =>
Li3PO4 + 3 AgNO3 = 3 LiNO3 + Ag3PO4
LiOH + H2(CO3) = Li(CO3) + H2(OH) =>
LiOH + H2(CO3) = Li(CO3) + H2(OH)
(NH4)2Fe(SO4)2 + H2SO4 + KMnO4 = (NH4)2SO4 + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10(NH4)2Fe(SO4)2 + 8 H2SO4 + 2 KMnO4 = 10(NH4)2SO4 + K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
Mg + Cl = MgCl =>
Mg + Cl = MgCl
NH4Cl + AgNO3 = AgNH4 + ClNO3 =>
NH4Cl + AgNO3 = AgNH4 + ClNO3
Mg + Cu(SO4) = Mg(SO4) + Cu =>
Mg + Cu(SO4) = Mg(SO4) + Cu
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
NH4VO3 + H2SO4 + Zn = VOSO4 + ZnSO4 + (NH4)2SO4 + H2O =>
2 NH4VO3 + 4 H2SO4 + Zn = 2 VOSO4 + ZnSO4 + (NH4)2SO4 + 4 H2O
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
CuSO4 + NaCl(aq) = CuCl2(s) + Na2SO4(aq) =>
CuSO4 + 2 NaCl(aq) = CuCl2(s) + Na2SO4(aq)
Mg(s) + HCl(aq) = H + MgCl =>
Mg(s) + HCl(aq) = H + MgCl
FeCl3 + FeSO4 = FeCl2 + SO4 =>
2 FeCl3 + FeSO4 = 3 FeCl2 + SO4
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
N2 + P = NP2 =>
N2 + 4 P = 2 NP2
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
Mg + HCl = H2 + Mg{2+} + Cl{-} =>
Mg + 2 HCl = H2 + Mg{2+} + 2 Cl{-}
KHSO4 + AgNO3 = KNO3 + AgSO4 + H2 =>
2 KHSO4 + 2 AgNO3 = 2 KNO3 + 2 AgSO4 + H2
Mg + HCl = MgCl + H =>
Mg + HCl = MgCl + H
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
NaNO2 + KI + CH3COOH = NO + CH3COONa + CH3COOK + H2O + I2 =>
2 NaNO2 + 2 KI + 4 CH3COOH = 2 NO + 2 CH3COONa + 2 CH3COOK + 2 H2O + I2
HCOOH = COOH + H =>
HCOOH = COOH + H
CsOH + CaCO3 = Cs2CO3 + Ca(OH)2 =>
2 CsOH + CaCO3 = Cs2CO3 + Ca(OH)2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
EuCl3*6H2O + C15H12O2 + NaOH + C12H8N2 = Eu(C15H11O2)3(C12H8N2) + NaCl + H2O =>
EuCl3*6H2O + 3 C15H12O2 + 3 NaOH + C12H8N2 = Eu(C15H11O2)3(C12H8N2) + 3 NaCl + 9 H2O
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