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N2 + 4 O = N2O4
CuSO4*5H2O + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4*5H2O + 4 NH4OH = [Cu(NH3)4]SO4 + 9 H2O
HCH3COOH + BaO = CH3COOBa + H2O =>
HCH3COOH + BaO = CH3COOBa + H2O
Na2Cr2O7 + HCl + SnCl2 = SnCl5 + CrCl3 + NaCl + H2O =>
Na2Cr2O7 + 14 HCl + 2 SnCl2 = 2 SnCl5 + 2 CrCl3 + 2 NaCl + 7 H2O
CuS + NaOH = Cu(OH)2 + Na2S =>
CuS + 2 NaOH = Cu(OH)2 + Na2S
Zn + I2 + H2O = Zn(OH)2 + HI =>
Zn + I2 + 2 H2O = Zn(OH)2 + 2 HI
NaOH + Cu1Cl2 = NaCl + Cu(OH)2 =>
2 NaOH + Cu1Cl2 = 2 NaCl + Cu(OH)2
HBr + O2 = HBrO3 =>
2 HBr + 3 O2 = 2 HBrO3
XeF2(s) + H2O(l) = Xe(g) + O2(g) + HF(aq) =>
2 XeF2(s) + 2 H2O(l) = 2 Xe(g) + O2(g) + 4 HF(aq)
CH4(g) + F2(g) = CF4(g) + HF(g) =>
CH4(g) + 4 F2(g) = CF4(g) + 4 HF(g)
Al2(SO4)3 + CuClO3 = Al(ClO3)3 + Cu2SO4 =>
Al2(SO4)3 + 6 CuClO3 = 2 Al(ClO3)3 + 3 Cu2SO4
B + KNO3 = BKNO3 =>
B + KNO3 = BKNO3
Ag + H2SO4 = Ag2SO4 + S + H2O =>
6 Ag + 4 H2SO4 = 3 Ag2SO4 + S + 4 H2O
PH3(g) + O2(g) = P2O5(s) + H2O(g) =>
2 PH3(g) + 4 O2(g) = P2O5(s) + 3 H2O(g)
Mg + Al2(SO4)3 = Mg(SO4) + Al =>
3 Mg + Al2(SO4)3 = 3 Mg(SO4) + 2 Al
(Ag(NH3)2) + HNO3 = Ag + NH4NO3 =>
(Ag(NH3)2) + 2 HNO3 = Ag + 2 NH4NO3
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
Fe(NO3)3(aq) + HCl(aq) = FeCl3(s) + HNO3(aq) =>
Fe(NO3)3(aq) + 3 HCl(aq) = FeCl3(s) + 3 HNO3(aq)
C4O3H8 + O2 = CO2 + H2O =>
2 C4O3H8 + 9 O2 = 8 CO2 + 8 H2O
H2S + CO3 = CO2 + H2O + S2 =>
2 H2S + 2 CO3 = 2 CO2 + 2 H2O + S2
CoSO4*7H2O + Na2C2O4 = CoC2O4*2H2O + Na2SO4 + H2O =>
CoSO4*7H2O + Na2C2O4 = CoC2O4*2H2O + Na2SO4 + 5 H2O
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
Al(NO3)3 + HCHO = Al + NH4 + H2O + CO2 =>
2 Al(NO3)3 + 15 HCHO = 2 Al + 6 NH4 + 3 H2O + 15 CO2
S{2-} + MnO4{-} + H{+} = SO4{2-} + Mn2{+} + H2O =>
13 S{2-} + 16 MnO4{-} + 24 H{+} = 13 SO4{2-} + 8 Mn2{+} + 12 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
PbCl4 + H2O = PbO2(s) + HCl(g) =>
PbCl4 + 2 H2O = PbO2(s) + 4 HCl(g)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CH3CH2CH2CH3 = (CH3)2CHCH3 =>
CH3CH2CH2CH3 = (CH3)2CHCH3
C7H16 = C2H2 + H2 =>
2 C7H16 = 7 C2H2 + 9 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaHCO3 + H3C6H5O7 = Na + H2O + CO2 =>
18 NaHCO3 + H3C6H5O7 = 18 Na + 13 H2O + 24 CO2
KC1 + Br2 = C12 + KBr =>
12 KC1 + 6 Br2 = C12 + 12 KBr
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
CH3COOCl + NaOH = CH4 + NaCl + CO2 + O2 =>
2 CH3COOCl + 2 NaOH = 2 CH4 + 2 NaCl + 2 CO2 + O2
PbH2 + HI = PbI2 + H2 =>
PbH2 + 2 HI = PbI2 + 2 H2
NaMnO4 + Ca3P2 + NaOH = Na2MnO4 + Ca3(PO4)2 + H2O =>
16 NaMnO4 + Ca3P2 + 16 NaOH = 16 Na2MnO4 + Ca3(PO4)2 + 8 H2O
H + N + C + O = HNC9999O2 =>
H + N + 9999 C + 2 O = HNC9999O2
CsNO3 + CrCH3COOH = Cr + NO3 + CsCH3COOH =>
CsNO3 + CrCH3COOH = Cr + NO3 + CsCH3COOH
Cu + HCl = H[CuCl] =>
Cu + HCl = H[CuCl]
(CH3COO)2Zn + NH4OH = [Zn(NH3)4](OH)2 + CH3COOH + H2O =>
(CH3COO)2Zn + 4 NH4OH = [Zn(NH3)4](OH)2 + 2 CH3COOH + 2 H2O
NaCl + Br = NaBr + Cl =>
NaCl + Br = NaBr + Cl
KI + Pb(C2H3O2)2 = PbI2 + CH3CO2K =>
2 KI + Pb(C2H3O2)2 = PbI2 + 2 CH3CO2K
Cu(OH)2 + NaOH = Cu(OH)4{2-} + Na{+} =>
Cu(OH)2 + 2 NaOH = Cu(OH)4{2-} + 2 Na{+}
KIO3 + KI + CH3COOH = I2 + CH3COOK + H2O =>
KIO3 + 5 KI + 6 CH3COOH = 3 I2 + 6 CH3COOK + 3 H2O
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + H2O =>
2 HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + 2 H2O
Pb(C2H3O2)2 + KI = PbI2 + K(C2H3O2) =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 K(C2H3O2)
C2H6O2 + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
C2H6O2 + 2 Cu(OH)2 = CH3COOH + Cu2O + 3 H2O
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
C4H10(g) + O2(g) = CO(g) + H2O(l) =>
2 C4H10(g) + 9 O2(g) = 8 CO(g) + 10 H2O(l)
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