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(COOH)2 + CaCl2 = (COO)2Ca + 2 HCl
CrCl3 + KMnO4 + NaOH = KCl + MnO2 + H2O + Cl2 + Na2Cr2O7 =>
4 CrCl3 + 6 KMnO4 + 4 NaOH = 6 KCl + 6 MnO2 + 2 H2O + 3 Cl2 + 2 Na2Cr2O7
Fe{2+} + OH{-} = FeOHOH =>
Fe{2+} + 2 OH{-} = FeOHOH
CuSO4*5H2O + Zn + H2O = ZnSO4*7H2O + Cu =>
CuSO4*5H2O + Zn + 2 H2O = ZnSO4*7H2O + Cu
CF4 + Br = CBr4 + F2 =>
CF4 + 4 Br = CBr4 + 2 F2
C6H6O3 + H2O = CO2 + H2 =>
C6H6O3 + 9 H2O = 6 CO2 + 12 H2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Ba + PO4 = BaPO4 =>
Ba + PO4 = BaPO4
Co3O4 + HCl = CoCl2 + O2 + H2O =>
2 Co3O4 + 12 HCl = 6 CoCl2 + O2 + 6 H2O
CH4 + H2SO4 = CH3HSO3 + H2O =>
CH4 + H2SO4 = CH3HSO3 + H2O
CH3CH2CONH2 + H2O = CH3CH2COOH + NH3 =>
CH3CH2CONH2 + H2O = CH3CH2COOH + NH3
K2CO3 + Ca2(SO4)2 = CaCO3 + K2SO4 =>
2 K2CO3 + Ca2(SO4)2 = 2 CaCO3 + 2 K2SO4
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)2(aq) + Mg(s) =>
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)2(aq) + Mg(s)
ZnSO4 = Zn + SO4 =>
ZnSO4 = Zn + SO4
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
N3 + H2O = HN3 + OH =>
N3 + H2O = HN3 + OH
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
C7H6O3 + NaOH = NaC7H5O3 + H2O =>
C7H6O3 + NaOH = NaC7H5O3 + H2O
CO2 + H2O + N2 = C5H5N + O2 =>
20 CO2 + 10 H2O + 2 N2 = 4 C5H5N + 25 O2
Ca3(PO4)2(aq) + H2SO4(aq) = H3PO4(aq) + CaSO4(s) =>
Ca3(PO4)2(aq) + 3 H2SO4(aq) = 2 H3PO4(aq) + 3 CaSO4(s)
F2 + K2S = FS + K =>
F2 + 2 K2S = 2 FS + 4 K
Mn + CuCl = Cu + MnCl2 =>
Mn + 2 CuCl = 2 Cu + MnCl2
C5H7O2N + O2 = CO2 + H2O + NO3 =>
4 C5H7O2N + 29 O2 = 20 CO2 + 14 H2O + 4 NO3
HNO3 + Na = NaNO3 + NH3 + H2O =>
9 HNO3 + 8 Na = 8 NaNO3 + NH3 + 3 H2O
Fe(NO3)2 + H2S = FeS + HNO3 =>
Fe(NO3)2 + H2S = FeS + 2 HNO3
K2SO3 + SOCl2 = KCl + SO2 =>
K2SO3 + SOCl2 = 2 KCl + 2 SO2
Ag(NO3) + K2CrO4 = AgCrO4 + K2(NO3) =>
Ag(NO3) + K2CrO4 = AgCrO4 + K2(NO3)
C + H3 = CH4 =>
3 C + 4 H3 = 3 CH4
Hg + NaOH = HgO + NaH =>
Hg + NaOH = HgO + NaH
Fe + Cu(SO4)2 = Fe(SO4) + Cu =>
2 Fe + Cu(SO4)2 = 2 Fe(SO4) + Cu
NaCI + H2SO4 = Na2SO4 + HCI =>
2 NaCI + H2SO4 = Na2SO4 + 2 HCI
Na2O + H = NaH + O =>
Na2O + 2 H = 2 NaH + O
KO5 + CO5 = K5CO2 + O2 =>
5 KO5 + CO5 = K5CO2 + 14 O2
UF6 + H2O = UF2O2 + HF =>
UF6 + 2 H2O = UF2O2 + 4 HF
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]*3H2O + 6 CO2 + H2O
Zn + NO3{-} + H2O = Zn(OH)4{2-} + NH3 + H{+} =>
4 Zn + NO3{-} + 13 H2O = 4 Zn(OH)4{2-} + NH3 + 7 H{+}
K + Br = KBr =>
K + Br = KBr
Pb + CH3COOH = Pb(CH3COO)2 + H2 =>
Pb + 2 CH3COOH = Pb(CH3COO)2 + H2
CuFeS2 + HNO3 = CuSO4 + Fe2(SO4)3 + Fe(NO3)3 + NO + H2O =>
3 CuFeS2 + 20 HNO3 = 3 CuSO4 + Fe2(SO4)3 + Fe(NO3)3 + 17 NO + 10 H2O
Mg(HCO3)2 = MgO + CO2 + H2O =>
Mg(HCO3)2 = MgO + 2 CO2 + H2O
KClOCuH2SO4 = CuSO4KClH2O =>
KClOCuH2SO4 = CuSO4KClH2O
KMnO4 + KCl + H2O = MnO2 + Cl2 + KOH =>
2 KMnO4 + 6 KCl + 4 H2O = 2 MnO2 + 3 Cl2 + 8 KOH
CH4(g) + O(g) = CO2(g) + H2O(g) =>
CH4(g) + 4 O(g) = CO2(g) + 2 H2O(g)
CoCl2 + KIO3 = CoO3 + KICl2 =>
CoCl2 + KIO3 = CoO3 + KICl2
Mn2S3 = MnS + S8 =>
8 Mn2S3 = 16 MnS + S8
CH3ONa + CH3Br = CH3OCH3 + NaBr =>
CH3ONa + CH3Br = CH3OCH3 + NaBr
ZnSO4 + K4Fe(CN)6 = Zn2Fe(CN)6 + K2SO4 =>
2 ZnSO4 + K4Fe(CN)6 = Zn2Fe(CN)6 + 2 K2SO4
Al(s) + HBr(aq) = AlBr3(aq) + H2(g) =>
2 Al(s) + 6 HBr(aq) = 2 AlBr3(aq) + 3 H2(g)
(CH3COO)2Pb + Na2S = PbS + CH3COONa =>
(CH3COO)2Pb + Na2S = PbS + 2 CH3COONa
KMnO4(aq) + KCl(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + Cl2(g) + H2O =>
2 KMnO4(aq) + 10 KCl(aq) + 8 H2SO4(aq) = 2 MnSO4(aq) + 6 K2SO4(aq) + 5 Cl2(g) + 8 H2O
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