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C2H4 = C2H2 + H2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
HNO3 + O2 = NO3 + H2O =>
4 HNO3 + O2 = 4 NO3 + 2 H2O
Ni(NO3)2 + K3(PO4) = Ni3(PO4)2 + K(NO3) =>
3 Ni(NO3)2 + 2 K3(PO4) = Ni3(PO4)2 + 6 K(NO3)
BaO + O2 = BaO2 =>
2 BaO + O2 = 2 BaO2
(CuOH)2SO4 + NH4OH = Cu(OH)2 + (NH4)2SO4 =>
(CuOH)2SO4 + 2 NH4OH = 2 Cu(OH)2 + (NH4)2SO4
CH2CH3OH + O2 = CO2 + H2O =>
CH2CH3OH + 3 O2 = 2 CO2 + 3 H2O
P4(g) + O2(g) = P4O10(g) =>
P4(g) + 5 O2(g) = P4O10(g)
Fe3(PO4)2 = FeO + P2O5 =>
Fe3(PO4)2 = 3 FeO + P2O5
KMnO4 + H2O + NaHSO3 = MnO2 + NaHSO4 + KOH =>
2 KMnO4 + H2O + 3 NaHSO3 = 2 MnO2 + 3 NaHSO4 + 2 KOH
CO(NH2)2 + HBrO = N2 + CO2 + HBr + H2O =>
CO(NH2)2 + 3 HBrO = N2 + CO2 + 3 HBr + 2 H2O
C2H6(s) + O2(g) = CO2 + H2O =>
2 C2H6(s) + 7 O2(g) = 4 CO2 + 6 H2O
H3PO4 + SO2 = S3(PO4)4 + H2O =>
4 H3PO4 + 3 SO2 = S3(PO4)4 + 6 H2O
NaHs + Ba(OH)2 = BaHs + Na(OH)2 =>
NaHs + Ba(OH)2 = BaHs + Na(OH)2
Pd + H2 = PdH4 =>
Pd + 2 H2 = PdH4
Cu(C2H3O2)2 + (NH4)3PO4 = Cu3(PO4)2 + NH4(C2H3O2) =>
3 Cu(C2H3O2)2 + 2(NH4)3PO4 = Cu3(PO4)2 + 6 NH4(C2H3O2)
K2S(aq) + HNO3(aq) = KNO3 + H2S =>
K2S(aq) + 2 HNO3(aq) = 2 KNO3 + H2S
Zn + Cl3Cr = Cr + ZnCl2 =>
3 Zn + 2 Cl3Cr = 2 Cr + 3 ZnCl2
Fe2SiO4 + H2SO4 = FeSO4 + Si(OH)4 =>
Fe2SiO4 + 2 H2SO4 = 2 FeSO4 + Si(OH)4
K2O + O2 = KO2 =>
2 K2O + 3 O2 = 4 KO2
PH3 + AgNO3 + H2O = H3PO3 + HNO3 + Ag =>
PH3 + 6 AgNO3 + 3 H2O = H3PO3 + 6 HNO3 + 6 Ag
CH3COOC6H4COOH + NaOH = CH3COOC6H4COONa + H2O =>
CH3COOC6H4COOH + NaOH = CH3COOC6H4COONa + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
MgSO4(aq) + Pb(s) = PbSO4(aq) + Mg(s) =>
MgSO4(aq) + Pb(s) = PbSO4(aq) + Mg(s)
NaNO3(aq) + BaCl2(aq) = NaCl(aq) + Ba(NO3)2(aq) =>
2 NaNO3(aq) + BaCl2(aq) = 2 NaCl(aq) + Ba(NO3)2(aq)
Ag + K = AgK =>
Ag + K = AgK
In + H2O = InOH + H2 =>
2 In + 2 H2O = 2 InOH + H2
PCl5(s) + H2O(l) = POCl3(l) + HCl(aq) =>
PCl5(s) + H2O(l) = POCl3(l) + 2 HCl(aq)
Hg + Cr2O7{2-} + H{+} = Hg{2+} + Cr{3+} + H2O =>
3 Hg + Cr2O7{2-} + 14 H{+} = 3 Hg{2+} + 2 Cr{3+} + 7 H2O
CH3OH + CH4N2O = C2H8N2 + O =>
CH3OH + CH4N2O = C2H8N2 + 2 O
Na(s) + CaCl2(aq) = NaCl + (aq)Ca =>
2 Na(s) + CaCl2(aq) = 2 NaCl + (aq)Ca
Rb3N = Rb + N2 =>
2 Rb3N = 6 Rb + N2
Fe + PbCl2 = FeCl3 + Pb =>
2 Fe + 3 PbCl2 = 2 FeCl3 + 3 Pb
NO2 + O3 = N2O5 =>
6 NO2 + O3 = 3 N2O5
Na2S(s) + HCl(aq) = NaCl + H2S =>
Na2S(s) + 2 HCl(aq) = 2 NaCl + H2S
C4 + AgNo3 = C4(No3)2 + Ag =>
C4 + 2 AgNo3 = C4(No3)2 + 2 Ag
CuSO4 + Co = Co(SO4)3 + Cu =>
3 CuSO4 + Co = Co(SO4)3 + 3 Cu
Pb(OH)2 + H2CO3 = PbCO3 + H2O =>
Pb(OH)2 + H2CO3 = PbCO3 + 2 H2O
LiCl + MgCl2 = Li2MgCl4 =>
2 LiCl + MgCl2 = Li2MgCl4
Al(NO3)3(aq) + Na3PO4(aq) = AlPO4 + NaNO3 =>
Al(NO3)3(aq) + Na3PO4(aq) = AlPO4 + 3 NaNO3
Na3PO4 + H3PO4 = Na2HPO4 =>
2 Na3PO4 + H3PO4 = 3 Na2HPO4
HIO3 + FeSO4 + H2SO4 = HI + Fe2(SO4)3 + H2O =>
HIO3 + 6 FeSO4 + 3 H2SO4 = HI + 3 Fe2(SO4)3 + 3 H2O
NaNO3(s) + H2SO4 = Na2SO4(s) + HNO3 =>
2 NaNO3(s) + H2SO4 = Na2SO4(s) + 2 HNO3
MgBr2(s) = Mg(s) + Br2 =>
MgBr2(s) = Mg(s) + Br2
MgO + Al(OH)3 = MgAl2O4 + H2O =>
MgO + 2 Al(OH)3 = MgAl2O4 + 3 H2O
K2CO3 + Ca(ClO3)2 = CaCO3 + KClO3 =>
K2CO3 + Ca(ClO3)2 = CaCO3 + 2 KClO3
HH + OO = HHO =>
2 HH + OO = 2 HHO
C8H18(l) + O2 = CO2(g) + H2O(g) =>
2 C8H18(l) + 25 O2 = 16 CO2(g) + 18 H2O(g)
KCl(aq) + Mg(NO3)2(aq) = K(NO3)(aq) + MgCl2(aq) =>
2 KCl(aq) + Mg(NO3)2(aq) = 2 K(NO3)(aq) + MgCl2(aq)
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