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16 Al + 3 S8 = 8 Al2S3
N2H4 + NaOH = Na2N2H4 + OH =>
N2H4 + 2 NaOH = Na2N2H4 + 2 OH
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Cu2(SO4) + FeCl3 = CuCl + Fe2(SO4)3 =>
3 Cu2(SO4) + 2 FeCl3 = 6 CuCl + Fe2(SO4)3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
A + DS(aq) = AS(aq) + D =>
A + DS(aq) = AS(aq) + D
H2O + Ag + H3AsO3 = Ag{+} + AsH3 + OH{-} =>
3 H2O + 6 Ag + H3AsO3 = 6 Ag{+} + AsH3 + 6 OH{-}
AlBr3 + K2CO3 = Al2(CO3)3 + K2Br2 =>
2 AlBr3 + 3 K2CO3 = Al2(CO3)3 + 3 K2Br2
CuSO4 + Ba(OH)2 = (CuOH)2SO4 + BaSO4 =>
2 CuSO4 + Ba(OH)2 = (CuOH)2SO4 + BaSO4
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
C15H30 + O2 = C2 + H2O =>
2 C15H30 + 15 O2 = 15 C2 + 30 H2O
Zn(NO3)2 + Na2CO3 = NaNO3 + ZnCO3 =>
Zn(NO3)2 + Na2CO3 = 2 NaNO3 + ZnCO3
Hydrogen + Selenium = H2Se =>
H2 + Se = H2Se
Pb(SO4) + LiNO3 = Pb(NO3) + LiSO4 =>
Pb(SO4) + LiNO3 = Pb(NO3) + LiSO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
MnO2 + NaCl + H2SO4 = MnSO4 + NaClO + H2O =>
MnO2 + NaCl + H2SO4 = MnSO4 + NaClO + H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
K2CrO4(aq) + Pb(NO3)2 = PbCrO4(s) + KNO3(aq) =>
K2CrO4(aq) + Pb(NO3)2 = PbCrO4(s) + 2 KNO3(aq)
KMnO4 + H2SO4 + NaHSO4 = K2SO4 + MnSO4 + NaSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 NaHSO4 = K2SO4 + 2 MnSO4 + 10 NaSO4 + 8 H2O
Mg + Co(NO3)3 = Mg(NO3)2 + Co =>
3 Mg + 2 Co(NO3)3 = 3 Mg(NO3)2 + 2 Co
NH3 + SO3 + H2O = (NH4)2SO4 =>
2 NH3 + SO3 + H2O = (NH4)2SO4
Ca + CuBr2 = Cu + CaBr =>
2 Ca + CuBr2 = Cu + 2 CaBr
CH3OH + C2H4O2 = C3H6O2 + H2O =>
CH3OH + C2H4O2 = C3H6O2 + H2O
C5H9O2N + O2 = CO2 + H2O + NH3 =>
2 C5H9O2N + 11 O2 = 10 CO2 + 6 H2O + 2 NH3
CaFl2 + H2SO4 = CaSO4 + HFl =>
CaFl2 + H2SO4 = CaSO4 + 2 HFl
Fe(s) + HNO3 = H2O + NO + Fe(NO3)3 =>
Fe(s) + 4 HNO3 = 2 H2O + NO + Fe(NO3)3
P4O10 + C = CO + P =>
P4O10 + 10 C = 10 CO + 4 P
Cr(OH)3 + KOH + Br2 = K2Cr2O7 + KBr + H2O =>
2 Cr(OH)3 + 8 KOH + 3 Br2 = K2Cr2O7 + 6 KBr + 7 H2O
K4[Fe(CN)6] + Cu = Cu2[Fe(CN)6] + K =>
K4[Fe(CN)6] + 2 Cu = Cu2[Fe(CN)6] + 4 K
CuS + O2 = Cu + SO2 =>
CuS + O2 = Cu + SO2
Ni(NO3)3(aq) + KOH(aq) = Ni(OH)3(s) + KNO3(aq) =>
Ni(NO3)3(aq) + 3 KOH(aq) = Ni(OH)3(s) + 3 KNO3(aq)
Ag(NO3)(ac) + LiOH(ac) = LiNO3(ac) + Ag(OH)(s) =>
Ag(NO3)(ac) + LiOH(ac) = LiNO3(ac) + Ag(OH)(s)
CH2CHCHCH2 + KMnO4 + H2SO4 = K2SO4 + H2O + MnSO4 + CH3COOH =>
5 CH2CHCHCH2 + 6 KMnO4 + 9 H2SO4 = 3 K2SO4 + 4 H2O + 6 MnSO4 + 10 CH3COOH
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
CH3COOH + CO2 = CH3COOC + H2O =>
11 CH3COOH + 2 CO2 = 8 CH3COOC + 10 H2O
PbS + HNO3 + HCl = H2PbCl4 + NO + H2SO4 + H2O =>
3 PbS + 8 HNO3 + 12 HCl = 3 H2PbCl4 + 8 NO + 3 H2SO4 + 4 H2O
Au{+} + Cu = Au + Cu2{+} =>
Au{+} + 2 Cu = Au + Cu2{+}
A2 + B6C2 = B2A + A2C =>
7 A2 + 2 B6C2 = 6 B2A + 4 A2C
C6H5HO + Na2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + H2O + Na2SO4 =>
21 C6H5HO + 8 Na2Cr2O7 + 32 H2SO4 = 18 C6H5COOH + 8 Cr2(SO4)3 + 41 H2O + 8 Na2SO4
NH3 + CH3CO2H = CH3CONH2 + H2O =>
NH3 + CH3CO2H = CH3CONH2 + H2O
Cu(CO3) = CuO + CO2 =>
Cu(CO3) = CuO + CO2
CuCl2(aq) + K2C2O4(aq) = CuC2O4(s) + KCl(aq) =>
CuCl2(aq) + K2C2O4(aq) = CuC2O4(s) + 2 KCl(aq)
C5H10O2 + C2H5OH = C7H14O2 + H2O =>
C5H10O2 + C2H5OH = C7H14O2 + H2O
CH3CH2CHO + K2Cr2O7 + H2SO4 = CH3CH2COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3CH2COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
Na2CO3(aq) + AgNO3 = NaNO3(aq) + Ag2CO3(s) =>
Na2CO3(aq) + 2 AgNO3 = 2 NaNO3(aq) + Ag2CO3(s)
Ca2 + PO4 = Ca(PO4)2 =>
Ca2 + 4 PO4 = 2 Ca(PO4)2
H2 + FeCl3 = Fe + HCl =>
3 H2 + 2 FeCl3 = 2 Fe + 6 HCl
FeS2 + O2 = Fe2 + SO42 =>
2 FeS2 + 84 O2 = Fe2 + 4 SO42
HC2H3O2 + Ca(OH)2 = Ca(C2H3O2)2 + H2O =>
2 HC2H3O2 + Ca(OH)2 = Ca(C2H3O2)2 + 2 H2O
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