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4 F + 4 NaOH = 4 NaF + O2 + 2 H2O
Fe + KNO3 = Fe(NO3)2 + K =>
Fe + 2 KNO3 = Fe(NO3)2 + 2 K
Mn2O7 + H2SO4 = Mn2(SO4)7 + H2O =>
Mn2O7 + 7 H2SO4 = Mn2(SO4)7 + 7 H2O
Na2S(s) = Na(s) + S2(g) =>
2 Na2S(s) = 4 Na(s) + S2(g)
HCOONa = HCOO{-} + Na{+} =>
HCOONa = HCOO{-} + Na{+}
C19H33O2 + O2 = CO2 + H2O =>
4 C19H33O2 + 105 O2 = 76 CO2 + 66 H2O
C + H3 = C3H8 =>
9 C + 8 H3 = 3 C3H8
HNO3(aq)NH4OH(aq) = H2O(l)NH4NO3(aq) =>
HNO3(aq)NH4OH(aq) = H2O(l)NH4NO3(aq)
NH4NO3(s)H2O(l) = NH4OH(aq)HNO3(aq) =>
NH4NO3(s)H2O(l) = NH4OH(aq)HNO3(aq)
Ca3P2 + KMnO4 + H2O = Ca3(PO4)2 + MnO2 + KOH =>
3 Ca3P2 + 16 KMnO4 + 8 H2O = 3 Ca3(PO4)2 + 16 MnO2 + 16 KOH
CuO + HCl + Zn = Cu + ZnCl2 + H2O =>
CuO + 2 HCl + Zn = Cu + ZnCl2 + H2O
Cl2 + CrBr3 = Br2 + CrCl3 =>
3 Cl2 + 2 CrBr3 = 3 Br2 + 2 CrCl3
IO = I + IO3 =>
3 IO = 2 I + IO3
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
CaOH + ZnSO4 = ZnOH + CaSO4 =>
CaOH + ZnSO4 = ZnOH + CaSO4
O2 + LiCoO2 + WC = WO2 + Li2C2 + CoO =>
O2 + 2 LiCoO2 + 2 WC = 2 WO2 + Li2C2 + 2 CoO
Na + ZnI2 = NaI + Zn =>
2 Na + ZnI2 = 2 NaI + Zn
Sc(OH)3 + HNO3 = Sc(NO3)3 + HOH =>
Sc(OH)3 + 3 HNO3 = Sc(NO3)3 + 3 HOH
Cr(OH)2 = Cr2O3 + H2 + H2O =>
2 Cr(OH)2 = Cr2O3 + H2 + H2O
HNO3 + CuSO4 = HSO4 + Cu(NO3) =>
HNO3 + CuSO4 = HSO4 + Cu(NO3)
BaCO3 + HBr = H2CO3 + BaBr2 =>
BaCO3 + 2 HBr = H2CO3 + BaBr2
K2Cr2O7 = K + Cr2O7 =>
K2Cr2O7 = 2 K + Cr2O7
CH3COOH + Zn = ZnCOOH + CH3 =>
CH3COOH + Zn = ZnCOOH + CH3
HCl + ZnCl2 = HZn + Cl =>
HCl + ZnCl2 = HZn + 3 Cl
S2{-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
2 S2{-} + 13 Cl2 + 32 OH{-} = 4 SO4{2-} + 26 Cl{-} + 16 H2O
H3 + BO3 = H2B4O7 + H2O =>
4 H3 + 4 BO3 = H2B4O7 + 5 H2O
Cr2O3 + NO3{-} + OH{-} = CrO4{2-} + NO2{-} + H2O =>
Cr2O3 + 3 NO3{-} + 4 OH{-} = 2 CrO4{2-} + 3 NO2{-} + 2 H2O
H3PO4(aq) + CaCO3(aq) = Ca3(PO4)2(aq) + CO2(g) + H2O(l) =>
2 H3PO4(aq) + 3 CaCO3(aq) = Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l)
C9H8O + AgOH = C9H8O2 + Ag + H2O =>
C9H8O + 2 AgOH = C9H8O2 + 2 Ag + H2O
SO3 = S8 + O2 =>
8 SO3 = S8 + 12 O2
H2SO4 + CH3COOH = HSO4{-} + CH3COOH2{+} =>
H2SO4 + CH3COOH = HSO4{-} + CH3COOH2{+}
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
HCl + C20H14O4 = HClC20H14O4 =>
HCl + C20H14O4 = HClC20H14O4
PBO + CO = PB + CO2 =>
PBO + CO = PB + CO2
FeO3 + NO = Fe + NO2 =>
FeO3 + 3 NO = Fe + 3 NO2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
Zn(C2H3O2)2 + Na3PO4 = NaC2H3O2 + Zn3(PO4)2 =>
3 Zn(C2H3O2)2 + 2 Na3PO4 = 6 NaC2H3O2 + Zn3(PO4)2
Cr + H2SO4 = Cr2(SO4)3 + H2 =>
2 Cr + 3 H2SO4 = Cr2(SO4)3 + 3 H2
Ag(OH)2 + HNo3 = Ag(No3)2 + H2O =>
Ag(OH)2 + 2 HNo3 = Ag(No3)2 + 2 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Al + NaHCO3 = Al2O3 + Na + CO + H2 =>
8 Al + 6 NaHCO3 = 4 Al2O3 + 6 Na + 6 CO + 3 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Sr(OH)2 + Al2(SO4)3 = SrSO4 + Al(OH)3 =>
3 Sr(OH)2 + Al2(SO4)3 = 3 SrSO4 + 2 Al(OH)3
K + CH3COO = KCH3COO =>
K + CH3COO = KCH3COO
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
Na2SO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + SO2(g)
Cs + SrCrO4 = Cs2CrO4 + Sr =>
2 Cs + SrCrO4 = Cs2CrO4 + Sr
KMnO4 + C2H2 = KOOCCOOK + MnO2 + KOH + H2O =>
8 KMnO4 + 3 C2H2 = 3 KOOCCOOK + 8 MnO2 + 2 KOH + 2 H2O
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