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HCHO + NaHSO3 = NaH3CO4S
W + KOH = WO3 + H2O + K =>
W + 6 KOH = WO3 + 3 H2O + 6 K
Ra + S = Ra2S =>
2 Ra + S = Ra2S
CuCl2 + Na2CO3 + H2O = (CuOH)2CO3 + NaCl + HCl =>
2 CuCl2 + Na2CO3 + 2 H2O = (CuOH)2CO3 + 2 NaCl + 2 HCl
MnO4{-} + H{+} + Fe{2+} = Mn{2+}{+} + H2O + Fe{3+} =>
MnO4{-} + 8 H{+} + 5 Fe{2+} = Mn{2+}{+} + 4 H2O + 5 Fe{3+}
HCHO + Cu(OH)2 + NaOH = Na2O3C + Cu2O + H2O =>
HCHO + 4 Cu(OH)2 + 2 NaOH = Na2O3C + 2 Cu2O + 6 H2O
C12H22O11 + C8H10 + NH4HCO3 = C12H24N2O4 + CO2 =>
2 C12H22O11 + 151 C8H10 + 222 NH4HCO3 = 111 C12H24N2O4 + 122 CO2
Fe + HCl3 = FeCl3 + H2 =>
2 Fe + 2 HCl3 = 2 FeCl3 + H2
Mg(ClO3)2(s) = MgCl2(s) + O2(g) =>
Mg(ClO3)2(s) = MgCl2(s) + 3 O2(g)
PbCl2 + KMnO4 + HCl = PbCl4 + KCl + MnCl2 + H2O =>
5 PbCl2 + 2 KMnO4 + 16 HCl = 5 PbCl4 + 2 KCl + 2 MnCl2 + 8 H2O
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
Ca(OH)2 + (NH4)Cl = NH3H2O + CaCl2 =>
Ca(OH)2 + 2(NH4)Cl = 2 NH3H2O + CaCl2
NaO + HOH = NaOH + O2 =>
4 NaO + 2 HOH = 4 NaOH + O2
HI = hydrogen + iodine =>
2 HI = H2 + I2
PbSO4 + K2CrO4 = PbCrO4 + K2SO4 =>
PbSO4 + K2CrO4 = PbCrO4 + K2SO4
HIO3 + P + H2O = HI + H3PO4 =>
5 HIO3 + 6 P + 9 H2O = 5 HI + 6 H3PO4
Ca + NH3 = [Ca(NH3)4]2 =>
2 Ca + 8 NH3 = [Ca(NH3)4]2
ZnSO4 + NH3 + H2O = Zn(OH)2 + (NH4)2SO4 =>
ZnSO4 + 2 NH3 + 2 H2O = Zn(OH)2 + (NH4)2SO4
W + KOH = WO3 + H2O + K =>
W + 6 KOH = WO3 + 3 H2O + 6 K
Cr(OH)3 + KClO3 + K2CO3 = K2CrO4 + KCl + H2O + CO2 =>
2 Cr(OH)3 + KClO3 + 2 K2CO3 = 2 K2CrO4 + KCl + 3 H2O + 2 CO2
BaOH + Na2SO3 = Ba2SO3 + NaOH =>
2 BaOH + Na2SO3 = Ba2SO3 + 2 NaOH
CuCl2 + HCl = Cu + HCl3 =>
CuCl2 + HCl = Cu + HCl3
C4H11 + O2 = CO2 + H2O =>
4 C4H11 + 27 O2 = 16 CO2 + 22 H2O
CuSO4 + H2C2O4 = CuC2O4 + H2SO4 =>
CuSO4 + H2C2O4 = CuC2O4 + H2SO4
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq) =>
Pb(NO3)2(aq) + AgNO3(aq) = PbNO3(s) + Ag(NO3)2(aq)
Cu3P + Na2Cr2O7 + HCl = CuCl2 + CrCl3 + H3PO4 + NaCl + H2O =>
6 Cu3P + 11 Na2Cr2O7 + 124 HCl = 18 CuCl2 + 22 CrCl3 + 6 H3PO4 + 22 NaCl + 53 H2O
Mn(NO3)2(aq) + Na2SO4(aq) = MnSO4 + NaNO3(aq) =>
Mn(NO3)2(aq) + Na2SO4(aq) = MnSO4 + 2 NaNO3(aq)
Ca + ZnCl2 = CaCl2 + Zn =>
Ca + ZnCl2 = CaCl2 + Zn
NaHS + KOH = Na2S + K2S + H2O =>
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
Al(OH)3 + Zn(PO4)2 = Al(PO4)3 + Zn(OH)2 =>
2 Al(OH)3 + 3 Zn(PO4)2 = 2 Al(PO4)3 + 3 Zn(OH)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C4H6NiO4*4H2O + KOH = CH3COOK + NiO + H2O =>
C4H6NiO4*4H2O + 2 KOH = 2 CH3COOK + NiO + 5 H2O
Ca(OH)2 + P2O5 = P(OH)5 + CaO =>
5 Ca(OH)2 + P2O5 = 2 P(OH)5 + 5 CaO
NO2 + NH3 = H2O + N =>
3 NO2 + 4 NH3 = 6 H2O + 7 N
KOH + Na2SO4 = KSO4 + OHNa2 =>
KOH + Na2SO4 = KSO4 + OHNa2
CuC = Cu + C =>
CuC = Cu + C
Al3 + Cl1 = Al1Cl3 =>
Al3 + 9 Cl1 = 3 Al1Cl3
Na2Co3 + NaCl = NaCo3 + Na2Cl =>
Na2Co3 + NaCl = NaCo3 + Na2Cl
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
NaCo3 + BaCl = BaCo3 + NaCl =>
NaCo3 + BaCl = BaCo3 + NaCl
AlCl3 + Na2S2O3 + H2O = NaCl + S + SO2 + Al(OH)3 =>
2 AlCl3 + 3 Na2S2O3 + 3 H2O = 6 NaCl + 3 S + 3 SO2 + 2 Al(OH)3
C2H5OH + K2O = C2H5OK + H2O =>
2 C2H5OH + K2O = 2 C2H5OK + H2O
Pb(OH)4 + NaOH = Na4PbO4 + H2O =>
Pb(OH)4 + 4 NaOH = Na4PbO4 + 4 H2O
NaOH + KNO3 = NaO3 + OHKN =>
NaOH + KNO3 = NaO3 + OHKN
CaC2 + O2 = CaO + CO =>
2 CaC2 + 3 O2 = 2 CaO + 4 CO
FeSO4 + H2SO4 + H2O2(g) = Fe2(SO4)3 + H2O =>
2 FeSO4 + H2SO4 + H2O2(g) = Fe2(SO4)3 + 2 H2O
Ra + S = Ra2S =>
2 Ra + S = Ra2S
HIO3 + P + H2O = HI + H3PO4 =>
5 HIO3 + 6 P + 9 H2O = 5 HI + 6 H3PO4
Cs2O2 + CO2 = Cs2CO3 + O2 =>
2 Cs2O2 + 2 CO2 = 2 Cs2CO3 + O2
(NH4)3PO4 + HNO3 = (NH4)NO3 + (H)3PO4 =>
(NH4)3PO4 + 3 HNO3 = 3(NH4)NO3 + (H)3PO4
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