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2 Y + O2 = 2 YO
F + S2 = FS =>
2 F + S2 = 2 FS
NaClO3 + K2SnO2 = NaCl + K2SnO3 =>
NaClO3 + 3 K2SnO2 = NaCl + 3 K2SnO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Na + Si = NaSi =>
Na + Si = NaSi
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Cl + CH4 = CCl4 + HCl =>
8 Cl + CH4 = CCl4 + 4 HCl
NH3 + HClO3 = NH4ClO3 =>
NH3 + HClO3 = NH4ClO3
Ni2ClO3 = Ni2Cl + O2 =>
2 Ni2ClO3 = 2 Ni2Cl + 3 O2
K2SO4 + H2 = H2SO4 + K2 =>
K2SO4 + H2 = H2SO4 + K2
Ca(OH)2(aq) + HNo3 = Ca(No3)2 + H2O =>
Ca(OH)2(aq) + 2 HNo3 = Ca(No3)2 + 2 H2O
Mo + H2SO4 = MoO3 + SO2 + H2O =>
Mo + 3 H2SO4 = MoO3 + 3 SO2 + 3 H2O
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
KHCO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g)
Al(s) + Br(l) = Al2Br3(s) =>
2 Al(s) + 3 Br(l) = Al2Br3(s)
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
NH3 + KNO3 = N2 + KNO2 + H2O =>
2 NH3 + 3 KNO3 = N2 + 3 KNO2 + 3 H2O
FeCl3 + H2S + H2O = SO2 + HCl + FeCl2 =>
6 FeCl3 + H2S + 2 H2O = SO2 + 6 HCl + 6 FeCl2
(NH2)2CO + NaOCl + NaOH = N2H4 + NaCl + Na2CO3 + H2O =>
(NH2)2CO + NaOCl + 2 NaOH = N2H4 + NaCl + Na2CO3 + H2O
Br2(l) + CaI2(aq) = Br2Ca(aq) + I(s) =>
Br2(l) + CaI2(aq) = Br2Ca(aq) + 2 I(s)
K + Si = KSi =>
K + Si = KSi
Ba(NO3)2 + H2 = HNO3 + Ba =>
Ba(NO3)2 + H2 = 2 HNO3 + Ba
FeBr2 + KMnO4 + H2SO4 = Fe2(SO4)3 + FeBr3 + MnSO4 + K2SO4 + H2O =>
30 FeBr2 + 6 KMnO4 + 24 H2SO4 = 5 Fe2(SO4)3 + 20 FeBr3 + 6 MnSO4 + 3 K2SO4 + 24 H2O
Ba + CO2 = BaCO3 + CO =>
Ba + 2 CO2 = BaCO3 + CO
Al + H2O2 = AlO2 + H2 =>
Al + H2O2 = AlO2 + H2
Mn2O3 + Hg + CN{-} + H2O = Mn(CN)6{4-} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2 Mn(CN)6{4-} + Hg(CN)2 + 6 OH{-}
I4O9 = I2O6 + I2O2 =>
4 I4O9 = 5 I2O6 + 3 I2O2
HI + CO(OH)2 = H2O + COI2 =>
2 HI + CO(OH)2 = 2 H2O + COI2
*2HgO = Hg + O2 =>
*2HgO = 2 Hg + O2
(PO4)2 = PO4 =>
(PO4)2 = 2 PO4
Mg(OH)2 + H2O = MgO2H3 + OH =>
Mg(OH)2 + H2O = MgO2H3 + OH
H{+} + Ca(HCO3)2 = Ca{2+} + H2O + CO2 =>
2 H{+} + Ca(HCO3)2 = Ca{2+} + 2 H2O + 2 CO2
Na2SiO3 + (NH4)2MoO4 + H2O = H4[Si(MoO4)4] + NaOH + NH4OH =>
Na2SiO3 + 4(NH4)2MoO4 + 7 H2O = H4[Si(MoO4)4] + 2 NaOH + 8 NH4OH
P + NaIO3 + NaOH = Na3PO4 + NaI + H2O =>
6 P + 5 NaIO3 + 18 NaOH = 6 Na3PO4 + 5 NaI + 9 H2O
Ca(NO3)2(aq) + NaCl(aq) = CaCl(aq) + Na(NO3)2(aq) =>
Ca(NO3)2(aq) + NaCl(aq) = CaCl(aq) + Na(NO3)2(aq)
CO + F = COF =>
CO + F = COF
K2(CO3) = K + CO3 =>
K2(CO3) = 2 K + CO3
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
Na2S + S = Na2S8 =>
Na2S + 7 S = Na2S8
N + H2O = NO + H2 =>
N + H2O = NO + H2
C4H10O + K2Cr2O7 + H2SO4 = C4H8O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C4H10O + 2 K2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
CH3CH2OH + Cr2O72{-} + H{+} = CH3COOH + Cr3{+} + H2O =>
427 CH3CH2OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3COOH + 8 Cr3{+} + 437 H2O
HNO3 + H2 = HNO2 + H2O =>
HNO3 + H2 = HNO2 + H2O
Ca3(PO4)2 + H2 = Ca3P2 + H2O =>
Ca3(PO4)2 + 8 H2 = Ca3P2 + 8 H2O
K2Cr2O7 + H2C2O4 = K[Cr(C2O4)2(H2O)2] + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 = 2 K[Cr(C2O4)2(H2O)2] + 6 CO2 + 3 H2O
NaCl + Pb(CH3COO)2 = Na(CH3COO) + PbCl2 =>
2 NaCl + Pb(CH3COO)2 = 2 Na(CH3COO) + PbCl2
CuSO4 + NH4 = CuNH4 + SO4 =>
CuSO4 + NH4 = CuNH4 + SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mn(NO3)2 + KOH = Mn(OH)2 + KNO3 =>
Mn(NO3)2 + 2 KOH = Mn(OH)2 + 2 KNO3
W + N2 = WN2 =>
W + N2 = WN2
C6H6(s) + O2(g) = CO2(g) + H2O(l) =>
2 C6H6(s) + 15 O2(g) = 12 CO2(g) + 6 H2O(l)
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