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2 H3BO3 = B2O3 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCl + Na2S = NaCl + H2S =>
2 HCl + Na2S = 2 NaCl + H2S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2CO3 + HBr = K2Br2 + H2CO3 =>
K2CO3 + 2 HBr = K2Br2 + H2CO3
CaCO3 + H2SO4 = CaSO4 + H2CO3 =>
CaCO3 + H2SO4 = CaSO4 + H2CO3
FeS3 + O2 + H2O = Fe(OH)3 + S =>
4 FeS3 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 12 S
Mn2O7 = Mn + O7 =>
Mn2O7 = 2 Mn + O7
CH3CCH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
CH3CCH + 2 KMnO4 + 3 H2SO4 = 3 HCOOH + 2 MnSO4 + K2SO4 + 2 H2O
HCl + K2Cr2O7 + KL = CrCl3 + L2 + H2O + KCl =>
14 HCl + K2Cr2O7 + 6 KL = 2 CrCl3 + 3 L2 + 7 H2O + 8 KCl
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
FeCl3 + CuS = CuCl + FeS3 =>
FeCl3 + 3 CuS = 3 CuCl + FeS3
NH3 + H2S = NH5S =>
NH3 + H2S = NH5S
KHCO3 + CH3COOH = CH3COOK + H2O + CO2 =>
KHCO3 + CH3COOH = CH3COOK + H2O + CO2
NaF + Cu + S = Na2S + F2Cu =>
2 NaF + Cu + S = Na2S + F2Cu
HCl + MgBr = HBr + MgCl =>
HCl + MgBr = HBr + MgCl
H2TeO3 + H2O2 + H2O = H6TeO6 =>
H2TeO3 + H2O2 + H2O = H6TeO6
SO2 + O2 = S2O5 =>
4 SO2 + O2 = 2 S2O5
CHNO3 = CO2HNO =>
CHNO3 = CO2HNO
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
H3BO3 + NaOH = Na3BO3 + H2O =>
H3BO3 + 3 NaOH = Na3BO3 + 3 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Ba + H2 = Ba(H)2 =>
Ba + H2 = Ba(H)2
FeCl3*6H2O + NaOH = H2O + NaCl + Fe(OH)3 =>
FeCl3*6H2O + 3 NaOH = 6 H2O + 3 NaCl + Fe(OH)3
HCe + KCeO3 = KCe + Ce2 + H2O =>
6 HCe + KCeO3 = KCe + 3 Ce2 + 3 H2O
CrSO4 + K3PO4 = K3SO4 + CrPO4 =>
CrSO4 + K3PO4 = K3SO4 + CrPO4
CrCl3 + NaOH + H2O = Na[Cr(OH)4] + HCl =>
CrCl3 + NaOH + 3 H2O = Na[Cr(OH)4] + 3 HCl
ICl3 + H2O = IICl + HIO3 + HCl =>
9 ICl3 + 15 H2O = 2 IICl + 5 HIO3 + 25 HCl
CuO + N2 = Cu(NO3)2 + Cu =>
6 CuO + N2 = Cu(NO3)2 + 5 Cu
Al(NO3)3 + Na2CO3 = AlCO3 + Na2(NO3)3 =>
Al(NO3)3 + Na2CO3 = AlCO3 + Na2(NO3)3
NaF + Cu2 + S2 = Na2S + F2Cu =>
4 NaF + Cu2 + S2 = 2 Na2S + 2 F2Cu
P46 + Cl2 = PCl3 =>
P46 + 69 Cl2 = 46 PCl3
KH2PO4 + Ba(OH)2 = KBaPO4 + H2O =>
KH2PO4 + Ba(OH)2 = KBaPO4 + 2 H2O
*2FeO = Fe + O2 =>
*2FeO = 2 Fe + O2
B4C = B + C =>
B4C = 4 B + C
MgCl2CuO = CuCl2MgO =>
MgCl2CuO = CuCl2MgO
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
SIH4 = SI + H2 =>
SIH4 = SI + 2 H2
NH2OH + H2O2 = H2O + N2O3 =>
2 NH2OH + 4 H2O2 = 7 H2O + N2O3
H3BO3 + NaOH = H2O + Na2B4O7 =>
4 H3BO3 + 2 NaOH = 7 H2O + Na2B4O7
CrCl3 + NaOH + H2O = Na[Cr(OH)4] + HCl =>
CrCl3 + NaOH + 3 H2O = Na[Cr(OH)4] + 3 HCl
H2S + H2SO4 = SO2 + H2O =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
Al + LiOH = Al(OH)3 + Li =>
Al + 3 LiOH = Al(OH)3 + 3 Li
NiCO3 = NiO + CO2 =>
NiCO3 = NiO + CO2
Pb(NO3)2(aq) + Na2CO3(s) = NaNO3(aq) + PbCO3(s) =>
Pb(NO3)2(aq) + Na2CO3(s) = 2 NaNO3(aq) + PbCO3(s)
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Ca + KHSO4 = Ca(HSO4)2 + K =>
Ca + 2 KHSO4 = Ca(HSO4)2 + 2 K
C4H6O5 + LiOH = Li2C4H4O5 + H2O =>
C4H6O5 + 2 LiOH = Li2C4H4O5 + 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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