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Zn + NaSO4 = ZnSO4 + Na
SO2 = S + O =>
SO2 = S + 2 O
C + Cl2 = CCl4 =>
C + 2 Cl2 = CCl4
Mg + H3PO4 = Mg(PO4)3 + H2 =>
2 Mg + 6 H3PO4 = 2 Mg(PO4)3 + 9 H2
Al(OH)3 + ClH = AlCl3 + H2O =>
Al(OH)3 + 3 ClH = AlCl3 + 3 H2O
AgNO3 + HBr = AgBr + HNO3 =>
AgNO3 + HBr = AgBr + HNO3
C4H10O(l) + O2(g) = CO2(g) + H2O(l) =>
C4H10O(l) + 6 O2(g) = 4 CO2(g) + 5 H2O(l)
NaAlO2 + HCl = NaCl + Al2O3 + H2O =>
2 NaAlO2 + 2 HCl = 2 NaCl + Al2O3 + H2O
NaHCO3 + CH3COOH = H2CO3 + NaCH3COO =>
NaHCO3 + CH3COOH = H2CO3 + NaCH3COO
C10H2OO + O2 = CO2 + H2O =>
2 C10H2OO + 19 O2 = 20 CO2 + 2 H2O
Bi(NO3)3(ac) + NaOH(ac) = Bi(OH)3(s) + NaNO3(ac) =>
Bi(NO3)3(ac) + 3 NaOH(ac) = Bi(OH)3(s) + 3 NaNO3(ac)
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2 =>
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
F4S + H2O = SO2 + HF =>
F4S + 2 H2O = SO2 + 4 HF
KI + Mg = MgI2 + K =>
2 KI + Mg = MgI2 + 2 K
CuSO4*5H2O(s) = Cu(s) + SO4(s) + H(g) + O2(g) =>
2 CuSO4*5H2O(s) = 2 Cu(s) + 2 SO4(s) + 20 H(g) + 5 O2(g)
Ca(OH)2(s) + H2SO4(l) = H2O(l) + CaSO4(s) =>
Ca(OH)2(s) + H2SO4(l) = 2 H2O(l) + CaSO4(s)
K + HClO3 = KClO3 + Cl2 + H2O =>
10 K + 12 HClO3 = 10 KClO3 + Cl2 + 6 H2O
Fe{2+} + MnO4{+} + H2O = Fe{3+} + Mn{2+} + OH{-} =>
7 Fe{2+} + MnO4{+} + 4 H2O = 7 Fe{3+} + Mn{2+} + 8 OH{-}
Au2O3 + Ca = AuCa + O =>
Au2O3 + 2 Ca = 2 AuCa + 3 O
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(s) + H2O(l) =>
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(s) + H2O(l)
AI + NaOH + H2O = H2 + Na[AI(OH)4] =>
2 AI + 2 NaOH + 6 H2O = 3 H2 + 2 Na[AI(OH)4]
KCl2 + Br2 + KOH = KCl + KBrO3 + H2O =>
10 KCl2 + Br2 + 12 KOH = 20 KCl + 2 KBrO3 + 6 H2O
P2 = P4 =>
2 P2 = P4
CH3CH2CH2COH + Ag(NH3)2OH = CH3CH2CH2COOH + Ag + NH3 + H2O =>
CH3CH2CH2COH + 2 Ag(NH3)2OH = CH3CH2CH2COOH + 2 Ag + 4 NH3 + H2O
CuSO4(aq)Pb(NO3)2(aq) = Cu(NO3)2(aq) + PbSO4(s) =>
CuSO4(aq)Pb(NO3)2(aq) = Cu(NO3)2(aq) + PbSO4(s)
KI + NaHCO3 = KCO3H + NaI =>
KI + NaHCO3 = KCO3H + NaI
H3BO3 + HF + K2CO3 = KBF4 + CO2 + H2O =>
2 H3BO3 + 8 HF + K2CO3 = 2 KBF4 + CO2 + 7 H2O
C10H20(OH)2 + O2 = CO2 + H2O =>
2 C10H20(OH)2 + 29 O2 = 20 CO2 + 22 H2O
C6H14 + Cl2 = C6H13 + HCl =>
2 C6H14 + Cl2 = 2 C6H13 + 2 HCl
CH3CH2CN + H2 = CH3CH2CH2NH2 =>
CH3CH2CN + 2 H2 = CH3CH2CH2NH2
K2S2O3 + Cl2 + H2O = HSO4 + HCl + KCl =>
K2S2O3 + 5 Cl2 + 5 H2O = 2 HSO4 + 8 HCl + 2 KCl
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CuSO4(aq) + K2S(aq) = CuS(aq) + K2SO4(aq) =>
CuSO4(aq) + K2S(aq) = CuS(aq) + K2SO4(aq)
Hg(OH)2 + H2PO4 = Hg(PO4)2 + H2(OH) =>
Hg(OH)2 + 2 H2PO4 = Hg(PO4)2 + 2 H2(OH)
C8H18O + K2Cr2O7 + H2SO4 = C8H16O + Cr2(SO4)3 + K2SO4 + H2O =>
3 C8H18O + K2Cr2O7 + 4 H2SO4 = 3 C8H16O + Cr2(SO4)3 + K2SO4 + 7 H2O
AgNO3 + C2H6O2 = N2 + CO2 + Ag + H2O =>
10 AgNO3 + 6 C2H6O2 = 5 N2 + 12 CO2 + 10 Ag + 18 H2O
(HCl)(aq) + (NaOH)(aq) = (NaCl)(aq) + (H2O)(l) =>
(HCl)(aq) + (NaOH)(aq) = (NaCl)(aq) + (H2O)(l)
Sn(s) + OH(aq) = SnO2(aq) + H2(g) =>
Sn(s) + 2 OH(aq) = SnO2(aq) + H2(g)
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
As2S3 + HNO3 = HAs + H2SO4 + NO2 + H2O =>
As2S3 + 16 HNO3 = 2 HAs + 3 H2SO4 + 16 NO2 + 4 H2O
H2CO3 + KOH = HOH + KHCO3 =>
H2CO3 + KOH = HOH + KHCO3
Ti2(SO4)3 + Fe(SO4)3 + H2O = TiO(SO4) + FeSO4 + H2SO4 =>
2 Ti2(SO4)3 + Fe(SO4)3 + 4 H2O = 4 TiO(SO4) + FeSO4 + 4 H2SO4
KMnO4 + MnSO4 + OH{-} = MnO2 + K2SO4 + H2O + SO4{2-} =>
2 KMnO4 + 3 MnSO4 + 4 OH{-} = 5 MnO2 + K2SO4 + 2 H2O + 2 SO4{2-}
CuCl2*2H2O + SrCl2*6H2O + KNO2 = KCl + H2O + K2CuSr(NO2)6 =>
CuCl2*2H2O + SrCl2*6H2O + 6 KNO2 = 4 KCl + 8 H2O + K2CuSr(NO2)6
CuOH + H3PO4 = Cu3PO4 + H2O =>
3 CuOH + H3PO4 = Cu3PO4 + 3 H2O
CuBr2(aq) + Na3PO4(aq) = Cu3(PO4)2(s) + NaBr(aq) =>
3 CuBr2(aq) + 2 Na3PO4(aq) = Cu3(PO4)2(s) + 6 NaBr(aq)
KOH + NH4PO4 = KPO4 + NH4OH =>
KOH + NH4PO4 = KPO4 + NH4OH
SO2 = O2 + S =>
SO2 = O2 + S
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