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2 Cu2O + Cu2S = 6 Cu + SO2
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
Mg + CaCl2 = MgCl2 + Ca =>
Mg + CaCl2 = MgCl2 + Ca
Na2SO3 + CH3COOH = NaC2H3O2 + H2O + SO2 =>
Na2SO3 + 2 CH3COOH = 2 NaC2H3O2 + H2O + SO2
H2O + NaBr + KMnO4 = NaBrO3 + KOH + MnO2 =>
H2O + NaBr + 2 KMnO4 = NaBrO3 + 2 KOH + 2 MnO2
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
Pb(C2H3O2)2 + H2O = PbO + HC2H3O2 =>
Pb(C2H3O2)2 + H2O = PbO + 2 HC2H3O2
CH3COOH + Ba(OH)2 = Ba(C2H3O2)2 + H2O =>
2 CH3COOH + Ba(OH)2 = Ba(C2H3O2)2 + 2 H2O
****CuCl2 + ****NaCN = ****Na[Cu(CN)2] + ****(CN)2 + ****NaCl =>
2****CuCl2 + 6****NaCN = 2****Na[Cu(CN)2] + ****(CN)2 + 4****NaCl
Na2C2O4 + CaCl2 = NaCl + CaC2O4 =>
Na2C2O4 + CaCl2 = 2 NaCl + CaC2O4
H2 + Br2 + C + I = H2BrCI =>
2 H2 + Br2 + 2 C + 2 I = 2 H2BrCI
C6H12N4 + HNO3 + C4H6O3 = C7H13N7O8 + C2H4O2 =>
2 C6H12N4 + 6 HNO3 + 4 C4H6O3 = 2 C7H13N7O8 + 7 C2H4O2
CO2 + Ba(OH)2 = BaCO3 + H2O =>
CO2 + Ba(OH)2 = BaCO3 + H2O
NaOH(s) + H3PO4(aq) = Na3PO4(aq) + H2O =>
3 NaOH(s) + H3PO4(aq) = Na3PO4(aq) + 3 H2O
KOH + KH2PO4 = K3PO4 + H2O =>
2 KOH + KH2PO4 = K3PO4 + 2 H2O
Ba(NO3)2 + NaBr = BaBr2 + NaNO3 =>
Ba(NO3)2 + 2 NaBr = BaBr2 + 2 NaNO3
CuCl2 + NaHCO3 = NaCl + HCl + CuCO3 =>
CuCl2 + NaHCO3 = NaCl + HCl + CuCO3
Na + MgCO3 = Na2CO3 + Mg =>
2 Na + MgCO3 = Na2CO3 + Mg
Ag + Mg(NO3)2 = Ag(NO3)2 + Mg =>
Ag + Mg(NO3)2 = Ag(NO3)2 + Mg
CH3CH2COOH + Cl2 = CH3CHClCOOH + HCl =>
CH3CH2COOH + Cl2 = CH3CHClCOOH + HCl
S + Ca = CaS =>
S + Ca = CaS
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
LiBr(aq) + H2O(l) = LiOH(aq) + HBr(aq) =>
LiBr(aq) + H2O(l) = LiOH(aq) + HBr(aq)
KBrO3 + KI + HCl = KBr + KCl + I + H2O =>
KBrO3 + 6 KI + 6 HCl = KBr + 6 KCl + 6 I + 3 H2O
HCN + Cu(SO4) = H(SO4) + CuCN =>
HCN + Cu(SO4) = H(SO4) + CuCN
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H2C2O4(aq) + Ca(OH)2(s) = CaC2O4 + H2O =>
H2C2O4(aq) + Ca(OH)2(s) = CaC2O4 + 2 H2O
C6H5Br + O2 = CO2 + H2O + Br2 =>
4 C6H5Br + 29 O2 = 24 CO2 + 10 H2O + 2 Br2
Pb(CH3COO)2 + Na2CO3 = PbCO3 + Na2(CH3COO)2 =>
Pb(CH3COO)2 + Na2CO3 = PbCO3 + Na2(CH3COO)2
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
Zn + SnS = ZnSSn =>
Zn + SnS = ZnSSn
AgCl + H2O = AgOH + HCl =>
AgCl + H2O = AgOH + HCl
Al(NO3)3 + NH4OH = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH4OH = Al(OH)3 + 3 NH4NO3
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
CaSiO3 + C = CaSi + CO =>
CaSiO3 + 3 C = CaSi + 3 CO
Sr + H(NO3) = Sr(NO3) + H2 =>
2 Sr + 2 H(NO3) = 2 Sr(NO3) + H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Zr + N = Zr3N4 =>
3 Zr + 4 N = Zr3N4
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CoO(s) = Co(s) + O2(g) =>
2 CoO(s) = 2 Co(s) + O2(g)
HCO3{-} + H3C6H5O7 = CO2 + H2O + C6H5O7{3-} =>
3 HCO3{-} + H3C6H5O7 = 3 CO2 + 3 H2O + C6H5O7{3-}
C4H2O3 + H2O = C4H4O4 =>
C4H2O3 + H2O = C4H4O4
H3BO3 + CH3OH = B(OCH3)3 + HOH =>
H3BO3 + 3 CH3OH = B(OCH3)3 + 3 HOH
Sr3(PO4)2 = Sr3P2 + O2 =>
Sr3(PO4)2 = Sr3P2 + 4 O2
H2SO4(aq) + TiO2(s) = H2O2(l) + TiSO4(aq) =>
H2SO4(aq) + TiO2(s) = H2O2(l) + TiSO4(aq)
H2O + N2H4 = NH3 + H2O2 =>
2 H2O + N2H4 = 2 NH3 + H2O2
C2H4(l) + O2(g) = CO2(g) + H2O(g) =>
C2H4(l) + 3 O2(g) = 2 CO2(g) + 2 H2O(g)
Br2O7 + H2O = H2Br2O8 =>
Br2O7 + H2O = H2Br2O8
HNO3(aq) + NaCl(aq) = HCl(g) + NaNO3(aq) =>
HNO3(aq) + NaCl(aq) = HCl(g) + NaNO3(aq)
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