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2 FeS2 + 6 O2 = Fe2O4 + 4 SO2
K2S(aq) + H2SO4(aq) = K2SO4 + SO2 + H2O =>
K2S(aq) + 4 H2SO4(aq) = K2SO4 + 4 SO2 + 4 H2O
Ba(NO3)2 + Li2SO4 = Ba(SO4) + LiNO3 =>
Ba(NO3)2 + Li2SO4 = Ba(SO4) + 2 LiNO3
P4 + KOH = PH3 + K2HPO2 =>
P4 + 6 KOH = PH3 + 3 K2HPO2
CH4 = C + H2 =>
CH4 = C + 2 H2
K2S(aq) + H2SO4(aq) = K2SO4 + SO2 + H2O =>
K2S(aq) + 4 H2SO4(aq) = K2SO4 + 4 SO2 + 4 H2O
P4 + KOH = PH3 + K2HPO2 =>
P4 + 6 KOH = PH3 + 3 K2HPO2
H + P = HP =>
H + P = HP
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2 =>
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2
K2CO3 + NaOH = NaCO3 + K2(OH) =>
K2CO3 + NaOH = NaCO3 + K2(OH)
H2 + Na2 = HNa3 =>
H2 + 3 Na2 = 2 HNa3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
As(OH)3 + NaOH = Na3[As(OH)6] =>
As(OH)3 + 3 NaOH = Na3[As(OH)6]
C9H18 + O2 = CO2 + H2O =>
2 C9H18 + 27 O2 = 18 CO2 + 18 H2O
K2S(aq) + H2SO4(aq) = K2SO4 + SO2 + H2O =>
K2S(aq) + 4 H2SO4(aq) = K2SO4 + 4 SO2 + 4 H2O
Na2OHOH = NaOH =>
Na2OHOH = 2 NaOH
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + O2 + H2O =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 O2 + 8 H2O
Li2SO3 + K2Cr2O7 + H2SO4 = Li2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Li2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Li2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2 =>
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
C2H6 + Cl2 = C2H4Cl2 + HCl =>
C2H6 + 2 Cl2 = C2H4Cl2 + 2 HCl
Li2SO3 + K2Cr2O7 + H2SO4 = Li2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Li2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Li2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
Au2O3(s) = Au(s) + O2(g) =>
2 Au2O3(s) = 4 Au(s) + 3 O2(g)
As(OH)3 + NaOH = Na3[As(OH)6] =>
As(OH)3 + 3 NaOH = Na3[As(OH)6]
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
KMnO4(s) = KMnO2O2 =>
KMnO4(s) = KMnO2O2
Al + Mn{2+}{+} = Al{3} + Mn =>
2 Al + 3 Mn{2+}{+} = 2 Al{3} + 3 Mn
MgSO4 + KNO3 = MgNO3 + KSO4 =>
MgSO4 + KNO3 = MgNO3 + KSO4
K2CO3 + NaOH = NaCO3 + K2(OH) =>
K2CO3 + NaOH = NaCO3 + K2(OH)
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2 =>
HC2H2O2Cl + NaOH = C2H2O2Cl + NaOH2
CH3COHPCl5 = CH3CClHClPOCl3 =>
CH3COHPCl5 = CH3CClHClPOCl3
As + HNO3 = H3 + AsO4 + NO =>
3 As + 6 HNO3 = 2 H3 + 3 AsO4 + 6 NO
V + ZnBr2 = VBr3 + Zn =>
2 V + 3 ZnBr2 = 2 VBr3 + 3 Zn
Li2SO3 + K2Cr2O7 + H2SO4 = Li2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Li2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Li2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
KCr(SO4)2 + NaOH = NaCr(SO4)2 + KOH =>
KCr(SO4)2 + NaOH = NaCr(SO4)2 + KOH
K2CO3 + NaOH = NaCO3 + K2(OH) =>
K2CO3 + NaOH = NaCO3 + K2(OH)
K3(PO4) + AlCl3 = Al(PO4) + K3(Cl)3 =>
K3(PO4) + AlCl3 = Al(PO4) + K3(Cl)3
Pb + H2O = PbO2 + H2 =>
Pb + 2 H2O = PbO2 + 2 H2
K + C = K4C =>
4 K + C = K4C
KOH + Li2O = LiOH + K2O =>
2 KOH + Li2O = 2 LiOH + K2O
As(OH)3 + NaOH = Na3[As(OH)6] =>
As(OH)3 + 3 NaOH = Na3[As(OH)6]
Br2 + NH3 = N2 + NH4Br =>
3 Br2 + 8 NH3 = N2 + 6 NH4Br
KCl + HCl = KH + Cl2 =>
KCl + HCl = KH + Cl2
As(OH)3 + NaOH = Na3[As(OH)6] =>
As(OH)3 + 3 NaOH = Na3[As(OH)6]
ZrO2 + H = ZrH2 + OH =>
ZrO2 + 4 H = ZrH2 + 2 OH
Cu(OH)2 + HCH3COO = Cu(C2H3O2)2 + H2O =>
Cu(OH)2 + 2 HCH3COO = Cu(C2H3O2)2 + 2 H2O
C16H15NO3 + C16H32O2 = C32H45NO4 + H2O =>
C16H15NO3 + C16H32O2 = C32H45NO4 + H2O
CuPO4 = Cu + PO4 =>
CuPO4 = Cu + PO4
KOH + Cu(NO3)2 = Cu(OH)2 + KNO3 =>
2 KOH + Cu(NO3)2 = Cu(OH)2 + 2 KNO3
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