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4 K + O2 = 2 K2O
KMnO4 + NaOH + NaHSO3 = KOH + Na2MnO4 + NaHSO4 + H2O =>
2 KMnO4 + 4 NaOH + NaHSO3 = 2 KOH + 2 Na2MnO4 + NaHSO4 + H2O
H2SeO4(aq) + SO2(g) = Se(s) + SO3(g) + H2O(l) =>
H2SeO4(aq) + 3 SO2(g) = Se(s) + 3 SO3(g) + H2O(l)
HNO3 + Na2SO4 + BaCl2 = NaNO3 + BaSO4 + HCl =>
2 HNO3 + Na2SO4 + BaCl2 = 2 NaNO3 + BaSO4 + 2 HCl
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
PO2Cl + PCl5 = POCl3 =>
PO2Cl + PCl5 = 2 POCl3
Pb(NO3)2 + K3Fe(CN)6 = Pb3[Fe(CN)6]2 + KNO3 =>
3 Pb(NO3)2 + 2 K3Fe(CN)6 = Pb3[Fe(CN)6]2 + 6 KNO3
Ni(NO3)2 + KOH = NiOHNO3 + K(NO3) =>
Ni(NO3)2 + KOH = NiOHNO3 + K(NO3)
AlCl3 + KOH = KCl + Al(OH)3 =>
AlCl3 + 3 KOH = 3 KCl + Al(OH)3
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
C2H4 + O2 = CO2 + H2O2 =>
C2H4 + 4 O2 = 2 CO2 + 2 H2O2
C2Ag2 + CH3I = C4H6 + AgI =>
C2Ag2 + 2 CH3I = C4H6 + 2 AgI
C55H110O15 + O2 = H2O + CO =>
2 C55H110O15 + 95 O2 = 110 H2O + 110 CO
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
C4H6Cl2 + H2 = HCl + C4H8 =>
C4H6Cl2 + 2 H2 = 2 HCl + C4H8
K2Cr2O7 + Na2SO3 + KOH = Na2SO4 + K2CrO3 + H2O =>
K2Cr2O7 + 2 Na2SO3 + 2 KOH = 2 Na2SO4 + 2 K2CrO3 + H2O
Zn + O2 + KOH + H2O = K2[Zn(OH)4] =>
2 Zn + O2 + 4 KOH + 2 H2O = 2 K2[Zn(OH)4]
K + O2 = K2O2 =>
2 K + O2 = K2O2
FeCl2 + Na2S = FeS + NaCl =>
FeCl2 + Na2S = FeS + 2 NaCl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
NaCl + KOH = NaOH + KCl =>
NaCl + KOH = NaOH + KCl
MgO + Al2O3 = MgAl + O =>
2 MgO + Al2O3 = 2 MgAl + 5 O
CaCl2 + H3PO4 = H2Cl2 + Ca3(PO4)2 =>
3 CaCl2 + 2 H3PO4 = 3 H2Cl2 + Ca3(PO4)2
ZnO + NaOH + H2O = Na2[Zn(OH)4] =>
ZnO + 2 NaOH + H2O = Na2[Zn(OH)4]
NH3 + AgNO3 = Ag(NH3)2 + NO3 =>
2 NH3 + AgNO3 = Ag(NH3)2 + NO3
NH4CNO(ac) = NH2CONH2(ac) =>
NH4CNO(ac) = NH2CONH2(ac)
As2O3 + I2 = AsI + O2 =>
2 As2O3 + 2 I2 = 4 AsI + 3 O2
CH3CH2SH + NaOH = CH3CH2SNa + H2O =>
CH3CH2SH + NaOH = CH3CH2SNa + H2O
AgNO3 + Cu(NH3)Cl2 = AgCl + Cu(NH3)Cl(NO3) =>
AgNO3 + Cu(NH3)Cl2 = AgCl + Cu(NH3)Cl(NO3)
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
NBr3 = N + Br2 =>
2 NBr3 = 2 N + 3 Br2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
CH4(s) + H2O(g) = CO(g) + H2(g) =>
CH4(s) + H2O(g) = CO(g) + 3 H2(g)
Na2PbO2 + HNO3 = PbO2 + NaNO3 + NO + H2O =>
3 Na2PbO2 + 8 HNO3 = 3 PbO2 + 6 NaNO3 + 2 NO + 4 H2O
ZnNO3{2} + BaOH{2} = ZnOH{2} + BaNO3{2} =>
ZnNO3{2} + BaOH{2} = ZnOH{2} + BaNO3{2}
Al + Mg = Al2Mg3 =>
2 Al + 3 Mg = Al2Mg3
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
(NH4)2 + Pb(NO3)2 = NH4NO3 + Pb =>
(NH4)2 + Pb(NO3)2 = 2 NH4NO3 + Pb
C2H4 + HI = C2H5I =>
C2H4 + HI = C2H5I
MgBr2 + KOH = KBr + Mg(OH)2 =>
MgBr2 + 2 KOH = 2 KBr + Mg(OH)2
Sn{4+} + Ni = Ni{2+} + Sn{2+} =>
Sn{4+} + Ni = Ni{2+} + Sn{2+}
MgOH + Cl = MgCl + MgClO3 + H2O =>
6 MgOH + 6 Cl = 5 MgCl + MgClO3 + 3 H2O
C14H10 + H2 = C10H8 =>
5 C14H10 + 3 H2 = 7 C10H8
Cr2(SO4)3 + H2O = Cr(OH)SO4 + H2SO4 =>
Cr2(SO4)3 + 2 H2O = 2 Cr(OH)SO4 + H2SO4
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
Ba(NO3)2 + H3SO4 = Ba(SO4)2 + H3(NO3) =>
Ba(NO3)2 + 2 H3SO4 = Ba(SO4)2 + 2 H3(NO3)
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