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30 HNO3 + 8 Zn = 8 Zn(NO3)3 + 15 H2O + 3 N2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
CuO + Al = Cu + Al2O3 =>
3 CuO + 2 Al = 3 Cu + Al2O3
HCl + Cu(OH)2 = CuCl2 + H2O =>
2 HCl + Cu(OH)2 = CuCl2 + 2 H2O
H2SO4 + HBr = SO2 + Br + H2O =>
H2SO4 + 2 HBr = SO2 + 2 Br + 2 H2O
C8H18(l) + O2(g) = CO2(g) + H2O(g) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Cu + Cl2 = CuCl2 =>
Cu + Cl2 = CuCl2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
Na + KNO3 = K2O + Na2O + N2(g) =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2(g)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KI + Ca(OCl)2 + HCl = KCl + CaCl2 + I2 + H2O =>
4 KI + Ca(OCl)2 + 4 HCl = 4 KCl + CaCl2 + 2 I2 + 2 H2O
H2SO4 + Na = Na2SO4 + H2 =>
H2SO4 + 2 Na = Na2SO4 + H2
H2SO4 + S2O3 = H2S2O3 + SO4 = S + SO2 + H2O + SO4 =>
H2SO4 + S2O3 = H2S2O3 + SO4
P + S = P2S3 =>
2 P + 3 S = P2S3
CH3COOK + H2O = CH3COOH + KOH =>
CH3COOK + H2O = CH3COOH + KOH
H2SO4 + S2O3 = H2S2O3 + SO4 = S + SO2 + H2O + SO4 =>
H2SO4 + S2O3 = H2S2O3 + SO4
Na2S + NH3 + H2O = (NH4)2S + NaOH =>
Na2S + 2 NH3 + 2 H2O = (NH4)2S + 2 NaOH
Li + S = LiS =>
Li + S = LiS
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3] + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3] + 7 H2O + 6 CO2
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
K2S + Al(NO3)3 = Al2S3 + KNO3 =>
3 K2S + 2 Al(NO3)3 = Al2S3 + 6 KNO3
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
CHCl3 = CCl2 + HCl =>
CHCl3 = CCl2 + HCl
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
HBr + AGNO3 = HNO3 + AGBr =>
HBr + AGNO3 = HNO3 + AGBr
HNO3 + Cu = CuNO3 + H2O + NO =>
4 HNO3 + 3 Cu = 3 CuNO3 + 2 H2O + NO
Fe + HNO3 = Fe(NO3) + NH4NO3 + H2O =>
8 Fe + 10 HNO3 = 8 Fe(NO3) + NH4NO3 + 3 H2O
Mg + CH3COOH = Mg(CH3COO)3 + H2 =>
2 Mg + 6 CH3COOH = 2 Mg(CH3COO)3 + 3 H2
KMnO4 + HNO2 + H2SO4 = HNO3 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 HNO2 + 3 H2SO4 = 5 HNO3 + 2 MnSO4 + K2SO4 + 3 H2O
Mg + CH3COOH = Mg(CH3COO)2 + H2 =>
Mg + 2 CH3COOH = Mg(CH3COO)2 + H2
C7H16 + O2 = CO + H2O =>
2 C7H16 + 15 O2 = 14 CO + 16 H2O
HNO3 + Cu = Cu(NO3)2 + H2O + NO =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 4 H2O + 2 NO
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CH3CH2OH + O2 = H20 + CH3COOH =>
10 CH3CH2OH + 5 O2 = H20 + 10 CH3COOH
Fe(OH)3 + Pb(CH3COO)2 = Fe(CH3COO)3 + Pb(OH)2 =>
2 Fe(OH)3 + 3 Pb(CH3COO)2 = 2 Fe(CH3COO)3 + 3 Pb(OH)2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
C7H16 + O2 = C + H2O =>
C7H16 + 4 O2 = 7 C + 8 H2O
Cr2(SO4)3 + Br2 + NaOH = Na2CrO4 + NaBr + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 NaOH = 2 Na2CrO4 + 6 NaBr + 3 Na2SO4 + 8 H2O
Na2S + NH3 + H{+} = (NH4)2S + Na{+} =>
Na2S + 2 NH3 + 2 H{+} = (NH4)2S + 2 Na{+}
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Au + H2SeO4 = Au(SeO4)3 + H2SeO3 + H2O =>
Au + 6 H2SeO4 = Au(SeO4)3 + 3 H2SeO3 + 3 H2O
Fe + OH = Fe(OH)3 =>
Fe + 3 OH = Fe(OH)3
Mg + Ch3COOH = Ch3COOMg + H2 =>
2 Mg + 2 Ch3COOH = 2 Ch3COOMg + H2
Au + H2SeO4 = Au2(SeO4)3 + H2SeO3 + H2O =>
2 Au + 6 H2SeO4 = Au2(SeO4)3 + 3 H2SeO3 + 3 H2O
HNO3 + Ba = Ba(NO3)2 + H2O + NH4NO3 =>
10 HNO3 + 4 Ba = 4 Ba(NO3)2 + 3 H2O + NH4NO3
C10H20 + O2 = CO2 + H2O =>
C10H20 + 15 O2 = 10 CO2 + 10 H2O
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