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2 Ca + K2CrO4 = Ca2CrO4 + 2 K
Cr2O7 + C2H2O4 = Cr + CO2 + H2O =>
Cr2O7 + 7 C2H2O4 = 2 Cr + 14 CO2 + 7 H2O
C4C + CO2 = C4CO3 =>
7 C4C + 15 CO2 = 10 C4CO3
(NH4)2MoO4 + NH4OH + Na2S = (NH4)2MoS4 + NaOH + NH3 =>
(NH4)2MoO4 + 4 NH4OH + 4 Na2S = (NH4)2MoS4 + 8 NaOH + 4 NH3
C6H6N2O2 + HNO2 + HCl = C6H4N3O2 + H2O + Cl =>
C6H6N2O2 + HNO2 + HCl = C6H4N3O2 + 2 H2O + Cl
K2Cr2O7 + KBr + H2SO4 = Br2 + Cr2(SO4)2 + K2SO4 + H2O =>
K2Cr2O7 + 8 KBr + 7 H2SO4 = 4 Br2 + Cr2(SO4)2 + 5 K2SO4 + 7 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH2CHCOOH + KMnO4 + H2O = CH2OHCHOHCOOH + KOH + MnO2 =>
3 CH2CHCOOH + 2 KMnO4 + 4 H2O = 3 CH2OHCHOHCOOH + 2 KOH + 2 MnO2
AlI3 + FeCl3 = AlCl3 + FeI3 =>
AlI3 + FeCl3 = AlCl3 + FeI3
CuSO4H2O = CuSO4 + H2O =>
CuSO4H2O = CuSO4 + H2O
Ce{+4} + H2O2 = Ce{+3} + O2 + H{+} =>
2 Ce{+4} + H2O2 = 2 Ce{+3} + O2 + 2 H{+}
Ba(s) + C(s) + O(g) = BaCO3 =>
Ba(s) + C(s) + 3 O(g) = BaCO3
Pb2(aq) + Cl2(aq) = PbCl2(s) =>
Pb2(aq) + 2 Cl2(aq) = 2 PbCl2(s)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KS + BaCl = KCl + Ba2S2 =>
2 KS + 2 BaCl = 2 KCl + Ba2S2
PbO2 + Sb + K(OH) = PbO + K(SbO2) + H2O =>
3 PbO2 + 2 Sb + 2 K(OH) = 3 PbO + 2 K(SbO2) + H2O
MgSi + O2 = MgO2 + Si =>
MgSi + O2 = MgO2 + Si
Zr(NO3)4 + NaOH = Zr(OH)4 + NaNO3 =>
Zr(NO3)4 + 4 NaOH = Zr(OH)4 + 4 NaNO3
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Fe + HNO3 = Fe(NO3)3 + H2O + NO = Fe(NO3)3 + H2 =>
Fe + 4 HNO3 = Fe(NO3)3 + 2 H2O + NO
CO2 + H2O = O2 + H2CO =>
CO2 + H2O = O2 + H2CO
KI + KIO3 + HCl2 = I2 + H2O + KCl =>
11 KI + KIO3 + 6 HCl2 = 6 I2 + 3 H2O + 12 KCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C2H7NO2 + H2O = CH3COOH + HNH4O =>
C2H7NO2 + H2O = CH3COOH + HNH4O
Ag2 + H2SO4 = Ag2SO4 + H2 =>
Ag2 + H2SO4 = Ag2SO4 + H2
Fe2(SO4)3 + K(SCN) = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 K(SCN) = 2 K3Fe(SCN)6 + 3 K2SO4
AuCl3 + NaBH4 = Au + NaCl + BCl3 + H2 =>
4 AuCl3 + 3 NaBH4 = 4 Au + 3 NaCl + 3 BCl3 + 6 H2
NH3(g) + CO2(g) = CO(NH2)2(solid) + H2O(l) =>
2 NH3(g) + CO2(g) = CO(NH2)2(solid) + H2O(l)
Na3PO4 + BaO = Na2O + Ba3(PO4)2 =>
2 Na3PO4 + 3 BaO = 3 Na2O + Ba3(PO4)2
CrO3 + H2O = H2Cr2O7 =>
2 CrO3 + H2O = H2Cr2O7
Au(NO3)3 + Pt = Pt(NO3)2 + Au =>
2 Au(NO3)3 + 3 Pt = 3 Pt(NO3)2 + 2 Au
K2Cr2O7 + KNO2 + H2SO4 = Cr2(SO4)3 + H2O + NO2 + K2SO4 =>
K2Cr2O7 + 6 KNO2 + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + 6 NO2 + 4 K2SO4
Na2O2 = NaO =>
Na2O2 = 2 NaO
ZnO + KOH + H2O = K(Zn(OH)3) =>
ZnO + KOH + H2O = K(Zn(OH)3)
C12NH11 + O2 = CO2 + H2O + NH3 =>
C12NH11 + 14 O2 = 12 CO2 + 4 H2O + NH3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
AgCl + NH4OH = Ag(NH3)2Cl + H2O =>
AgCl + 2 NH4OH = Ag(NH3)2Cl + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Al + O2 + H2O = Al(OH)3 =>
4 Al + 3 O2 + 6 H2O = 4 Al(OH)3
HClO3 + {-} + H{+} = Cl{-} + H2O =>
HClO3 + 6e + 5 H{+} = Cl{-} + 3 H2O
Cu + HCl = Cl + HCu =>
Cu + HCl = Cl + HCu
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Li + CmF2 = LiF + Cm =>
2 Li + CmF2 = 2 LiF + Cm
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CaSO4 + AsO4{3-} = Ca3(AsO4)2 + SO4{2-} =>
3 CaSO4 + 2 AsO4{3-} = Ca3(AsO4)2 + 3 SO4{2-}
C55H98O6 + CH4O = C17H34O2 + C3H8O3 =>
15 C55H98O6 + 131 CH4O = 49 C17H34O2 + 41 C3H8O3
H2SO3(aq) = H2O(l) + SO2(l) =>
H2SO3(aq) = H2O(l) + SO2(l)
CO + Ca(OH)2 = CaCO2 + H2O =>
CO + Ca(OH)2 = CaCO2 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
MoS + HNO3 + PbO2 = H2MoO4 + Pb(NO3)2 + H2SO4 + H2O =>
MoS + 12 HNO3 + 6 PbO2 = H2MoO4 + 6 Pb(NO3)2 + H2SO4 + 4 H2O
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