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2 B2O3 + Mg = Mg(BO2)3 + B
()C4H8O + ()O2 = ()CO2 + ()H2O =>
2()C4H8O + 11()O2 = 8()CO2 + 8()H2O
C3H5(COOH)3 + NaHCO3 = C3H5O(COONa)3 + CO2 + H2O =>
9 C3H5(COOH)3 + 30 NaHCO3 = 10 C3H5O(COONa)3 + 24 CO2 + 26 H2O
C2H10 + Cl2 = C2H5 + HCl =>
2 C2H10 + 5 Cl2 = 2 C2H5 + 10 HCl
CH3COOH + NaCl = CH3Cl + NaCOOH =>
CH3COOH + NaCl = CH3Cl + NaCOOH
CaFe2O4 + CO = CO2 + Ca2Fe2O5 + FeO =>
2 CaFe2O4 + CO = CO2 + Ca2Fe2O5 + 2 FeO
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 CuFeS2 + 32 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)3 + 6 H2SO4 + 17 NO + 10 H2O
(CH3OH) = H2O + CH2 =>
(CH3OH) = H2O + CH2
Co(SO4) + Na2Cr2O7 + H2SO4 = Co2(SO4)3 + Cr2(SO4)3 + Na2SO4 + H2O =>
6 Co(SO4) + Na2Cr2O7 + 7 H2SO4 = 3 Co2(SO4)3 + Cr2(SO4)3 + Na2SO4 + 7 H2O
HCl + KMnO4 + Sn = SnCl4 + MnCl2 + KCl + H2O =>
32 HCl + 4 KMnO4 + 5 Sn = 5 SnCl4 + 4 MnCl2 + 4 KCl + 16 H2O
Cu + AgNO3(aq) = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3(aq) = 2 Ag + Cu(NO3)2
CrBr + Cl = Cr + ClBr =>
CrBr + Cl = Cr + ClBr
NaNO3 + K(C2H3O2) = KNO3 + Na(C2H3O2) =>
NaNO3 + K(C2H3O2) = KNO3 + Na(C2H3O2)
Al2 + N3 = Al2N3 =>
Al2 + N3 = Al2N3
LiCrO4 + Na2OH = LiOH + Na2CrO4 =>
LiCrO4 + Na2OH = LiOH + Na2CrO4
SeS2 + O2 = SeO2 + SO2 =>
SeS2 + 3 O2 = SeO2 + 2 SO2
N2O + H2O = N + OH =>
N2O + H2O = 2 N + 2 OH
LiPF6 + Li3N = Li12P3N9 + LiF =>
3 LiPF6 + 9 Li3N = Li12P3N9 + 18 LiF
Al(s) + NiSO4(aq) = (SO4)2 + AlNi =>
2 Al(s) + 2 NiSO4(aq) = (SO4)2 + 2 AlNi
Al2(SiO3)3 + H2O = Al(OH)3 + H2SiO3 =>
Al2(SiO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2SiO3
Ca3(PO4)2CaF2 + H2SO4 = Ca(H2PO4)2 + CaSO4 + HF =>
Ca3(PO4)2CaF2 + 3 H2SO4 = Ca(H2PO4)2 + 3 CaSO4 + 2 HF
Bi + H2SO4 = Bi2SO4 + H2O + SO2 =>
2 Bi + 2 H2SO4 = Bi2SO4 + 2 H2O + SO2
KI + K2SO4 = K2I + SO4K =>
KI + K2SO4 = K2I + SO4K
Si2S4 = Si + S8 =>
2 Si2S4 = 4 Si + S8
C3H6Cl3 + NaOH = C3H6(OH)3 + NaCl =>
C3H6Cl3 + 3 NaOH = C3H6(OH)3 + 3 NaCl
I2 + H2SO4 + Na3AsO3 = HI + Na3AsO4 + SO3 =>
I2 + H2SO4 + Na3AsO3 = 2 HI + Na3AsO4 + SO3
ClO2 + Cr2O7 = Cr + ClO4 =>
7 ClO2 + 2 Cr2O7 = 4 Cr + 7 ClO4
Na2S2O3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + SO2(g) + S(s) =>
Na2S2O3(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + SO2(g) + S(s)
Mg2 + Br2 = MgBr2 =>
Mg2 + 2 Br2 = 2 MgBr2
NaSO4 + NH4OH = NaOH + NH4SO4 =>
NaSO4 + NH4OH = NaOH + NH4SO4
Pb + HCI = PbCI + H =>
Pb + HCI = PbCI + H
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
X + HCl = XCl2H2 =>
X + 2 HCl = XCl2H2
Al(OH)3(s) + NaOH(aq) = NaAl(OH)4(aq) =>
Al(OH)3(s) + NaOH(aq) = NaAl(OH)4(aq)
C7H5N + NaOH + H2O = NaC6H5CO2 + NH3 =>
C7H5N + NaOH + H2O = NaC6H5CO2 + NH3
Zn + Au(NO2)2 = Au3 + Zn(NO2)2 =>
3 Zn + 3 Au(NO2)2 = Au3 + 3 Zn(NO2)2
HOCN + H2O = H3O + CNO =>
HOCN + H2O = H3O + CNO
KHCO3 + HCl = KHCl + HCO3 =>
KHCO3 + HCl = KHCl + HCO3
K2Cr2O7 + PbCl2 + H2O = KCl + PbCrO4 + HCl =>
K2Cr2O7 + 2 PbCl2 + H2O = 2 KCl + 2 PbCrO4 + 2 HCl
SnCl4 + C7H8 = SnHCl3 + C7H7Cl =>
SnCl4 + C7H8 = SnHCl3 + C7H7Cl
Cr(s) + I2(s) = CrI3 =>
2 Cr(s) + 3 I2(s) = 2 CrI3
PbNO3 + Ca(OH)2 = Pb(OH)2 + CaNO3 =>
PbNO3 + Ca(OH)2 = Pb(OH)2 + CaNO3
K2ReO4 + H2O = K2ReO3 + KReO4 + KOH =>
3 K2ReO4 + H2O = K2ReO3 + 2 KReO4 + 2 KOH
NaHSO4 + CaO + NaCl + ClO2 = CaSO4 + H2O + NaClO2 =>
4 NaHSO4 + 4 CaO + NaCl + 4 ClO2 = 4 CaSO4 + 2 H2O + 5 NaClO2
CH3CHCH3 + OCH3H = CH3CH2CH3 + OCH3 =>
CH3CHCH3 + OCH3H = CH3CH2CH3 + OCH3
NaClO + Na2SO3 + NaOH = NaCl + Na3SO5 + H2O =>
3 NaClO + 2 Na2SO3 + 2 NaOH = 3 NaCl + 2 Na3SO5 + H2O
Pb2(SO4)2 + LiNO3 = Pb(NO3)2 + Li2SO4 =>
Pb2(SO4)2 + 4 LiNO3 = 2 Pb(NO3)2 + 2 Li2SO4
CuS2 + O2 = CuO2 + SO2 =>
CuS2 + 3 O2 = CuO2 + 2 SO2
K + AlO = AlK + O =>
K + AlO = AlK + O
H2HS + HNO3 = S + NO + H2O =>
H2HS + HNO3 = S + NO + 2 H2O
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