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2 H2S + 3 O2 = 2 SO2 + 2 H2O
CuBr + K2S = Cu2S + KBr =>
2 CuBr + K2S = Cu2S + 2 KBr
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
PoO3 + HCl = PoCl6 + H2O =>
PoO3 + 6 HCl = PoCl6 + 3 H2O
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
Zn(OH)2 + HNO3 = H2O + Zn(NO3)2 =>
Zn(OH)2 + 2 HNO3 = 2 H2O + Zn(NO3)2
Pb + Br2 = Pb(Br2)2 =>
Pb + 2 Br2 = Pb(Br2)2
Zn(NO3)2 + Na3SO4 = Zn3(SO4)2 + NaNO3 =>
3 Zn(NO3)2 + 2 Na3SO4 = Zn3(SO4)2 + 6 NaNO3
NaOH + CH3PO4 = Na3PO4 + H2O + C =>
3 NaOH + CH3PO4 = Na3PO4 + 3 H2O + C
HI + CH3COOH = CH3COOI + H2 =>
HI + CH3COOH = CH3COOI + H2
Pb(NO3)2 + K2S = KNO3 + PbS =>
Pb(NO3)2 + K2S = 2 KNO3 + PbS
Na2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + NaHSO4 + H2O =>
4 Na2Cr2O7 + 3 H2S + 17 H2SO4 = 4 Cr2(SO4)3 + 8 NaHSO4 + 16 H2O
H3CCHO + KMnO4 + KOH = H3CCOOK + K2MnO4 + H2O =>
H3CCHO + 2 KMnO4 + 3 KOH = H3CCOOK + 2 K2MnO4 + 2 H2O
MnO2 + NaNO3 + NaOH = Na2MnO4 + NaNO2 + H2O =>
MnO2 + NaNO3 + 2 NaOH = Na2MnO4 + NaNO2 + H2O
Ag3PO4 + NaOH = Ag + Na3PO4 + OH =>
Ag3PO4 + 3 NaOH = 3 Ag + Na3PO4 + 3 OH
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
AgBr + NaOH + C6H6O2 = Ag + H2O + NaBr + C6H4O2 =>
2 AgBr + 2 NaOH + C6H6O2 = 2 Ag + 2 H2O + 2 NaBr + C6H4O2
K2Cr2O7 + Ba = BaCrO4 + K2CrO3 =>
K2Cr2O7 + Ba = BaCrO4 + K2CrO3
Sodiumnitrate + aluminum = aluminumnitrate + sodium =>
3 NaNO3 + Al = Al(NO3)3 + 3 Na
SnO + C = Sn + CO =>
SnO + C = Sn + CO
MnO2 + NaNO3 + NaOH = Na2MnO4 + NaNO2 + H2O =>
MnO2 + NaNO3 + 2 NaOH = Na2MnO4 + NaNO2 + H2O
Na2HPo4 + H2O = NaOH + H3Po4 =>
Na2HPo4 + 2 H2O = 2 NaOH + H3Po4
Na2S + Bi(NO3)3 = Bi2S3 + Na + NO3 =>
3 Na2S + 2 Bi(NO3)3 = Bi2S3 + 6 Na + 6 NO3
C14H10 + H2O = H2 + CO =>
C14H10 + 14 H2O = 19 H2 + 14 CO
C8H16O + Cr2O72{-} + H{+} = C8H14O + Cr3{+} + H2O =>
427 C8H16O + 6 Cr2O72{-} + 10 H{+} = 427 C8H14O + 4 Cr3{+} + 432 H2O
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
(NH3OH)2SO4 + KMnO4H2SO4 = NO2 + MnSO4 + K2SO4 + H2O =>
(NH3OH)2SO4 + 2 KMnO4H2SO4 = 2 NO2 + 2 MnSO4 + K2SO4 + 6 H2O
(NH4)3PO4 + Ca(ClO3)2 = Ca3(PO4)2 + (NH4)ClO3 =>
2(NH4)3PO4 + 3 Ca(ClO3)2 = Ca3(PO4)2 + 6(NH4)ClO3
Al + Au2SO4 = Al2(SO4)3 + Au =>
2 Al + 3 Au2SO4 = Al2(SO4)3 + 6 Au
Pb(OH)2 + CO2 = PbCO3 + H2O =>
Pb(OH)2 + CO2 = PbCO3 + H2O
NH4NO3 + Ba(OH)2 = NH3 + H2O + Ba(NO3)2 =>
2 NH4NO3 + Ba(OH)2 = 2 NH3 + 2 H2O + Ba(NO3)2
H2O2 + Hg(NO3)2 = Hg2(NO3)2 + O2 + HNO3 =>
H2O2 + 2 Hg(NO3)2 = Hg2(NO3)2 + O2 + 2 HNO3
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
K2Cr2O7 + NO + HCl = CrCl3 + KCl + HNO3 + H2O =>
K2Cr2O7 + 2 NO + 8 HCl = 2 CrCl3 + 2 KCl + 2 HNO3 + 3 H2O
HCOOH + NaHCO3 = HCOONa + H2O + CO2 =>
HCOOH + NaHCO3 = HCOONa + H2O + CO2
X + HNO3 = X(NO3)2 + NO2(g) + H2O(l) =>
X + 4 HNO3 = X(NO3)2 + 2 NO2(g) + 2 H2O(l)
KCNS + KMnO4 + HCl = KCl + MnCl2 + CO2 + NO + SO2 + H2O =>
5 KCNS + 11 KMnO4 + 38 HCl = 16 KCl + 11 MnCl2 + 5 CO2 + 5 NO + 5 SO2 + 19 H2O
UF6 + H2 = U + HF =>
UF6 + 3 H2 = U + 6 HF
KNO3() = KNO2 + O2 =>
2 KNO3() = 2 KNO2 + O2
S + O2 = SO4 =>
S + 2 O2 = SO4
H2(g) + S(s) + O2(g) = H2SO4(l) =>
H2(g) + S(s) + 2 O2(g) = H2SO4(l)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq) =>
NH4Cl(aq) + AgNO3(aq) = AgCl(s) + NH4NO3(aq)
Al + H3SO4 = Al2(SO4)3 + H2 =>
4 Al + 6 H3SO4 = 2 Al2(SO4)3 + 9 H2
C12H7N2 + O2 = CO2 + H2O + N2 =>
4 C12H7N2 + 55 O2 = 48 CO2 + 14 H2O + 4 N2
CuSO4 + NaOH + HCl = NaCl + HSO4 + CuOH =>
CuSO4 + NaOH + HCl = NaCl + HSO4 + CuOH
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CH4 + CuCl = C + Cu + HCl =>
CH4 + 4 CuCl = C + 4 Cu + 4 HCl
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