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Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
Fe3O4 + NaNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O + Na2SO4 =>
6 Fe3O4 + 2 NaNO3 + 28 H2SO4 = 9 Fe2(SO4)3 + 2 NO + 28 H2O + Na2SO4
CrF3 = Cr + F2 =>
2 CrF3 = 2 Cr + 3 F2
HNO3 + Al(OH)3 = Al(NO3) + H4O3 =>
HNO3 + Al(OH)3 = Al(NO3) + H4O3
F2 + H2S = HF + S2 =>
2 F2 + 2 H2S = 4 HF + S2
P4 + S2 = P7S5 =>
7 P4 + 10 S2 = 4 P7S5
TiCl4(s) + Mg(s) = Ti(s) + MgCl2(s) =>
TiCl4(s) + 2 Mg(s) = Ti(s) + 2 MgCl2(s)
Cr + KClO3 + KOH = K2CrO4 + KCl + H2O =>
Cr + KClO3 + 2 KOH = K2CrO4 + KCl + H2O
PbCO3 + SiO2 = PbSiO3 + CO2 =>
PbCO3 + SiO2 = PbSiO3 + CO2
LiNO3 + H2CO3 = Li2CO3 + HNO3 =>
2 LiNO3 + H2CO3 = Li2CO3 + 2 HNO3
Na2CO3 + C = Na + CO =>
Na2CO3 + 2 C = 2 Na + 3 CO
CO2 + H2 = C3H32 + H2O =>
3 CO2 + 22 H2 = C3H32 + 6 H2O
CsOH(aq) + H2SO4(aq) = Cs2SO4(aq) + H2O(l) =>
2 CsOH(aq) + H2SO4(aq) = Cs2SO4(aq) + 2 H2O(l)
H2O = []H2O =>
H2O = []H2O
NaH2PO4(s) + NaOH(aq) = Na3PO4(s) + H2O(l) =>
NaH2PO4(s) + 2 NaOH(aq) = Na3PO4(s) + 2 H2O(l)
CO2 + H3O = CO + H2O =>
CO2 + 2 H3O = CO + 3 H2O
NaOH + Be = Be(OH)2 + Na =>
2 NaOH + Be = Be(OH)2 + 2 Na
AgNO3 + KI = AgIKNO3 =>
AgNO3 + KI = AgIKNO3
S4 + N4 = SN =>
S4 + N4 = 4 SN
HgSO4 + Cu = Cu(SO4)2 + Hg =>
2 HgSO4 + Cu = Cu(SO4)2 + 2 Hg
C6H6 + I2 = C6H6I6 =>
C6H6 + 3 I2 = C6H6I6
S8(s) + Fe(s) = Fe2S3(s) =>
3 S8(s) + 16 Fe(s) = 8 Fe2S3(s)
CH2 + Cl2 = ClCH2CH2Cl =>
2 CH2 + Cl2 = ClCH2CH2Cl
PbO + H2O2 = PbO4 + H2O =>
PbO + 3 H2O2 = PbO4 + 3 H2O
CuCl2 + AgOH = Cu(OH)2 + AgCl =>
CuCl2 + 2 AgOH = Cu(OH)2 + 2 AgCl
SO2Cl2 + Ba(OH)2 = BaCl2 + H2SO4 =>
SO2Cl2 + Ba(OH)2 = BaCl2 + H2SO4
Zn + KClO3 + KOH = K2ZnO2 + KCl + H2O =>
3 Zn + KClO3 + 6 KOH = 3 K2ZnO2 + KCl + 3 H2O
Zn3(PO4)2 + C = ZnC2 + P + CO2 =>
Zn3(PO4)2 + 10 C = 3 ZnC2 + 2 P + 4 CO2
K2CrO4(ac) + HCl(ac) = K2Cr2O7(ac) + KCl(ac) + H2O =>
2 K2CrO4(ac) + 2 HCl(ac) = K2Cr2O7(ac) + 2 KCl(ac) + H2O
[Ag(NH3)2]OH + HCHO + NaOH = Ag + HCOONa + NH3 + H2O =>
2[Ag(NH3)2]OH + HCHO + NaOH = 2 Ag + HCOONa + 4 NH3 + 2 H2O
(CH3COO)2CuH2O + H2NCH2COOH = (H2NCH2COO)2CuH2O + CH3COOH =>
(CH3COO)2CuH2O + 2 H2NCH2COOH = (H2NCH2COO)2CuH2O + 2 CH3COOH
SNO2 + H2 = SN + H2O =>
SNO2 + 2 H2 = SN + 2 H2O
N4 + O2 = NO =>
N4 + 2 O2 = 4 NO
Cu + CH3COOH = Cu(CH3COO) + H2 =>
2 Cu + 2 CH3COOH = 2 Cu(CH3COO) + H2
CuSO4 + (NH4)2SO3 + H2O = Cu + (NH4)2SO4 + H2SO4 =>
CuSO4 + (NH4)2SO3 + H2O = Cu + (NH4)2SO4 + H2SO4
Fe2O3 + I2 = FeI2 + O2 =>
2 Fe2O3 + 4 I2 = 4 FeI2 + 3 O2
Cu3N2 + K2 = Cu2 + K3N =>
2 Cu3N2 + 6 K2 = 3 Cu2 + 4 K3N
NaClO + Na2SO3 = Na2SO4 + NaCl =>
NaClO + Na2SO3 = Na2SO4 + NaCl
ZnS + Ca(OH)2 = CaS + Zn(OH)2 =>
ZnS + Ca(OH)2 = CaS + Zn(OH)2
O3 + KOH = KO2 + H2O =>
O3 + 2 KOH = 2 KO2 + H2O
HF + Ni = NiF2 + H =>
2 HF + Ni = NiF2 + 2 H
Si + NaOH = H2O + Na2SiO =>
Si + 2 NaOH = H2O + Na2SiO
CaOH2 + H2O = CaO + H3O =>
CaOH2 + 2 H2O = CaO + 2 H3O
KMnO4 + Br2 + H2SO4 = MnSO4 + KBrO3 + H2O =>
2 KMnO4 + Br2 + 2 H2SO4 = 2 MnSO4 + 2 KBrO3 + 2 H2O
NaCl + KCl = NaK + Cl =>
NaCl + KCl = NaK + 2 Cl
HP + OH = H2O + P =>
HP + OH = H2O + P
Li + HCl2 = LiCl + H =>
2 Li + HCl2 = 2 LiCl + H
MnO4{-}(aq) + CH3OH(aq) + H{+}(aq) = Mn{2+}(aq) + HCO2H(aq) + H2O(l) =>
4 MnO4{-}(aq) + 5 CH3OH(aq) + 12 H{+}(aq) = 4 Mn{2+}(aq) + 5 HCO2H(aq) + 11 H2O(l)
FeS + O3 = FeO + SO2 =>
FeS + O3 = FeO + SO2
K + O3 = K3O =>
9 K + O3 = 3 K3O
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