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P4 + 5 O2 = 2 P2O5
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Fe + HBr = FeBr3 + H2 =>
2 Fe + 6 HBr = 2 FeBr3 + 3 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + HNO3 = MgN2O6 + H2 =>
Mg + 2 HNO3 = MgN2O6 + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3Cl + NaOH = CH3OH + NaCl =>
CH3Cl + NaOH = CH3OH + NaCl
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
Na2CO3 + MgSO4 = Na2SO4 + MgCO3 =>
Na2CO3 + MgSO4 = Na2SO4 + MgCO3
H2S + HNO3 = H2S04 + NO + H2O =>
4 H2S + 2 HNO3 = H2S04 + 2 NO + 4 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KMNO4 + KI + H2SO4 = MNSO4 + K2SO4 + H2O + I2 =>
2 KMNO4 + 10 KI + 8 H2SO4 = 2 MNSO4 + 6 K2SO4 + 8 H2O + 5 I2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
C + H2SO4 = SO2 + CO2 + H2O =>
C + 2 H2SO4 = 2 SO2 + CO2 + 2 H2O
H2SO4 + (NH4)OH = (NH4)2SO4 + H2O =>
H2SO4 + 2(NH4)OH = (NH4)2SO4 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Li2O + H2SO4 = Li2SO4 + H2O =>
Li2O + H2SO4 = Li2SO4 + H2O
H3PO4 = H2O + P4O10 =>
4 H3PO4 = 6 H2O + P4O10
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
MgCl2 + H2SO4 = HCl + MgSO4 =>
MgCl2 + H2SO4 = 2 HCl + MgSO4
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
H2S + HNO3 = S + NO + H2O =>
3 H2S + 2 HNO3 = 3 S + 2 NO + 4 H2O
Al2(SO4)3 + Na(HCO3) = Al(OH)3 + CO2 + Na2(SO4) =>
Al2(SO4)3 + 6 Na(HCO3) = 2 Al(OH)3 + 6 CO2 + 3 Na2(SO4)
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Mn + AsO3 = As + MnO4 =>
3 Mn + 4 AsO3 = 4 As + 3 MnO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ca + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
H3PO4 + N2H4 = H2PO2 + N2 + H2O =>
4 H3PO4 + 3 N2H4 = 4 H2PO2 + 3 N2 + 8 H2O
Na2SO3 + NH4OH = (NH4)2SO3 + NaOH =>
Na2SO3 + 2 NH4OH = (NH4)2SO3 + 2 NaOH
N3 + H2 = NH3 =>
2 N3 + 9 H2 = 6 NH3
SnSO4 + KMnO4 + H2SO4 = Sn(SO4)2 + MnSO4 + K2SO4 + H2O =>
5 SnSO4 + 2 KMnO4 + 8 H2SO4 = 5 Sn(SO4)2 + 2 MnSO4 + K2SO4 + 8 H2O
CUO + H2SO4 = CUSO4 + H2O =>
CUO + H2SO4 = CUSO4 + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cu(s) + O2(g) = Cu2O(s) =>
4 Cu(s) + O2(g) = 2 Cu2O(s)
Cr2O3 + NaNO3 + NaOH = NaNO2 + Na2CrO4 + H2O =>
Cr2O3 + 3 NaNO3 + 4 NaOH = 3 NaNO2 + 2 Na2CrO4 + 2 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HN3 + OH = N3 + H2O =>
HN3 + OH = N3 + H2O
K2Cr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
K2Cr2O7 + 6 FeCl2 + 14 HCl = 2 CrCl3 + 2 KCl + 6 FeCl3 + 7 H2O
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