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2 F2O3 = 2 F2 + 3 O2
Cu(OH)2 + K2(SO4) = KOH + CuSO4 =>
Cu(OH)2 + K2(SO4) = 2 KOH + CuSO4
Fe2O3 + NH4(OH) = Fe(OH)3 + (NH4)2O =>
Fe2O3 + 6 NH4(OH) = 2 Fe(OH)3 + 3(NH4)2O
Ka(OH) + CO2 = KaHCO3 =>
Ka(OH) + CO2 = KaHCO3
Tl + O3 = Tl3O =>
9 Tl + O3 = 3 Tl3O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CoCl2 + NH4OH = Co(OH)2 + NH4Cl =>
CoCl2 + 2 NH4OH = Co(OH)2 + 2 NH4Cl
AgNO3 + F = AgF + NO3 =>
AgNO3 + F = AgF + NO3
Fe2(SO4)3 + Zn = Zn(SO4)2 + Fe =>
2 Fe2(SO4)3 + 3 Zn = 3 Zn(SO4)2 + 4 Fe
CuSO4*5H2O + NaHCO3 = CO2 + CuCO3 + H2O + Na2SO4 =>
CuSO4*5H2O + 2 NaHCO3 = CO2 + CuCO3 + 6 H2O + Na2SO4
CH4 + BaO + Na = C50102 + Na2CO3 + BaH2 =>
150306 CH4 + 300612 BaO + 200408 Na = C50102 + 100204 Na2CO3 + 300612 BaH2
Al(CN)3 + MgI2 = AlI3 + Mg(CN)2 =>
2 Al(CN)3 + 3 MgI2 = 2 AlI3 + 3 Mg(CN)2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
C6H6 + CH3Cl = C7H9 + HCl =>
5 C6H6 + 12 CH3Cl = 6 C7H9 + 12 HCl
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
K2Cr2O7 + CdBr2 + H2TeO4 = Cd(TeO4) + K2(TeO4) + Cr2(TeO4)3 + Br2 + H2O =>
K2Cr2O7 + 3 CdBr2 + 7 H2TeO4 = 3 Cd(TeO4) + K2(TeO4) + Cr2(TeO4)3 + 3 Br2 + 7 H2O
Al(OH)3(s) + H2SO4(ac) = Al2(SO4)3(ac) + H2O(l) =>
2 Al(OH)3(s) + 3 H2SO4(ac) = Al2(SO4)3(ac) + 6 H2O(l)
Zn + K3PO4 = ZnPO4 + K3 =>
Zn + K3PO4 = ZnPO4 + K3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
SnCl2 + NaOH = Sn(OH)2 + NaCl =>
SnCl2 + 2 NaOH = Sn(OH)2 + 2 NaCl
CHCCH2CH3 + H2O = CH3COCH2CH3 =>
CHCCH2CH3 + H2O = CH3COCH2CH3
Zn{2+} + H2S = ZnS + H{+} =>
Zn{2+} + H2S = ZnS + 2 H{+}
Na2Pd(NO2)4 + NH4OH = Pd(NH3)2(NO2)2 + NaNO2 + H2O =>
Na2Pd(NO2)4 + 2 NH4OH = Pd(NH3)2(NO2)2 + 2 NaNO2 + 2 H2O
(ii)CuO(s)H2(g) = Cu(s)H2O(l) =>
(ii)CuO(s)H2(g) = Cu(s)H2O(l)
K2Cr2O7(aq) + KOH(aq) = K2CrO4(aq) + H2O(l) =>
K2Cr2O7(aq) + 2 KOH(aq) = 2 K2CrO4(aq) + H2O(l)
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
C15H31COO{-} + H2O = CH3COO{-} + H2 + H{+} =>
C15H31COO{-} + 14 H2O = 8 CH3COO{-} + 14 H2 + 7 H{+}
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + Na2SO4 + Cr2(SO4)3 =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Cl2 + 7 H2O + K2SO4 + 3 Na2SO4 + Cr2(SO4)3
HO = H + O2 =>
2 HO = 2 H + O2
NiBr2 + KOH = Ni(OH)2 + KBr =>
NiBr2 + 2 KOH = Ni(OH)2 + 2 KBr
Al + NaHCO3 = Al(HCO3)3 + Na =>
Al + 3 NaHCO3 = Al(HCO3)3 + 3 Na
H2(C2O4) + NaOH = NaC2O4 + H3O =>
H2(C2O4) + NaOH = NaC2O4 + H3O
NaNO3 + FeSO4 + H2SO4 = NO + Fe2(SO4)3 + Na2SO4 + H2O =>
2 NaNO3 + 6 FeSO4 + 4 H2SO4 = 2 NO + 3 Fe2(SO4)3 + Na2SO4 + 4 H2O
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
AlS + BaI2 = AlI2 + BaS =>
AlS + BaI2 = AlI2 + BaS
Na + CdBr2 = Cd + NaBr =>
2 Na + CdBr2 = Cd + 2 NaBr
NO3 = N + O =>
NO3 = N + 3 O
Cl2(g) + NaF(aq) = NaCl + F2 =>
Cl2(g) + 2 NaF(aq) = 2 NaCl + F2
Hg0 = Hg =>
Hg0 = Hg
C6H8N3O7(s) + O2 = CO2(g) + H2O(g) + N2 =>
2 C6H8N3O7(s) + 9 O2 = 12 CO2(g) + 8 H2O(g) + 3 N2
(NaOH) + CaCl2 = Ca(OH)2 + NaCl =>
2(NaOH) + CaCl2 = Ca(OH)2 + 2 NaCl
Ba(NO)2 = Ba + NO =>
Ba(NO)2 = Ba + 2 NO
AgNO3 + F = AgF + NO3 =>
AgNO3 + F = AgF + NO3
Fe2(SO4)3 + Zn = Zn(SO4)2 + Fe =>
2 Fe2(SO4)3 + 3 Zn = 3 Zn(SO4)2 + 4 Fe
Ca + MnCl3 = Ca2Cl3 + Mn =>
2 Ca + MnCl3 = Ca2Cl3 + Mn
TiCl4 + NH3 = TiN + HCl + N2 =>
6 TiCl4 + 8 NH3 = 6 TiN + 24 HCl + N2
Fe2O3 + NH4(OH) = Fe(OH)3 + (NH4)2O =>
Fe2O3 + 6 NH4(OH) = 2 Fe(OH)3 + 3(NH4)2O
Zn + H3AsO3 + H{+} = Zn2{+} + As + H2O =>
6 Zn + H3AsO3 + 3 H{+} = 3 Zn2{+} + As + 3 H2O
K + Mn(CrO4)2 = K2CrO4 + Mn =>
4 K + Mn(CrO4)2 = 2 K2CrO4 + Mn
Cl + Na2S = NaCl + S =>
2 Cl + Na2S = 2 NaCl + S
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