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2 Na(aq) + Pb(F)2(aq) = 2 NaF + Pb
NaBr + AgNO3 = AgNa + BrNO3 =>
NaBr + AgNO3 = AgNa + BrNO3
Fe(ClO3)3 = FeCl3 + O2 =>
2 Fe(ClO3)3 = 2 FeCl3 + 9 O2
PB(NO3)2 + KI = (NO3)2KI + PB =>
PB(NO3)2 + KI = (NO3)2KI + PB
Cr2(SO4)3 + HOH = Cr(OH)3 + H2SO4 =>
Cr2(SO4)3 + 6 HOH = 2 Cr(OH)3 + 3 H2SO4
Cr(OH)2 + HCl + H2O = [Cr(H2O)6]Cl2 =>
Cr(OH)2 + 2 HCl + 4 H2O = [Cr(H2O)6]Cl2
Na2S2O3 + (NH4)2CO3 = (NH4)2S2O3 + Na2CO3 =>
Na2S2O3 + (NH4)2CO3 = (NH4)2S2O3 + Na2CO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca3(PO4)2 + C + SiO = P + CO + CaSiO =>
Ca3(PO4)2 + 8 C + 3 SiO = 2 P + 8 CO + 3 CaSiO
H2CrO3 + Al = Al2(CrO3)3 + H2 =>
3 H2CrO3 + 2 Al = Al2(CrO3)3 + 3 H2
Mg(OH)2 + H2O = MgH2 + OH =>
Mg(OH)2 + 2 H2O = MgH2 + 4 OH
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
K3PO4 + (NH4)2SO4 = K3SO4 + (NH4)2PO4 =>
K3PO4 + (NH4)2SO4 = K3SO4 + (NH4)2PO4
(b)KBr(s) + H3PO4(aq) = K3PO4(aq) + HBr(g) =>
3(b)KBr(s) + H3PO4(aq) = K3PO4(aq) + 3 HBr(g)
Na2S(aq) + Ba(NO3)2(aq) = NaNO3(aq) + BaS(s) =>
Na2S(aq) + Ba(NO3)2(aq) = 2 NaNO3(aq) + BaS(s)
NaBrO3 + HNO3 = NaNO3 + HBrO3 =>
NaBrO3 + HNO3 = NaNO3 + HBrO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CaCO3 + Cl2 = CaCl2 + CO2 + O2 =>
2 CaCO3 + 2 Cl2 = 2 CaCl2 + 2 CO2 + O2
FeCl3 + KSCN = Fe(SCN)Cl3 + K =>
FeCl3 + KSCN = Fe(SCN)Cl3 + K
AgNO3 + Cu = Ag2Cu3 + NO3 =>
2 AgNO3 + 3 Cu = Ag2Cu3 + 2 NO3
CH3CH2COOH + CH3CH2NH2 = CH3CH2CONH + CH3CH2 + H2O =>
CH3CH2COOH + CH3CH2NH2 = CH3CH2CONH + CH3CH2 + H2O
F2O7 + HCl = FCl7 + H2O =>
F2O7 + 14 HCl = 2 FCl7 + 7 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
NH4NO3(aq) + Li2SO4(aq) = LiNO3(aq) + (NH4)2SO4(aq) =>
2 NH4NO3(aq) + Li2SO4(aq) = 2 LiNO3(aq) + (NH4)2SO4(aq)
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
KOH + HC2H3O2 = KC2H3O2 + HOH =>
KOH + HC2H3O2 = KC2H3O2 + HOH
Al2 + (SO4)3 + K2SO4 + H2O = KAl(SO4)2*12H2O =>
Al2 + (SO4)3 + K2SO4 + 24 H2O = 2 KAl(SO4)2*12H2O
P4O10(s) + H2SO4(aq) = SO3(g) + H3PO4(l) =>
P4O10(s) + 6 H2SO4(aq) = 6 SO3(g) + 4 H3PO4(l)
KClO3 + K2SO3 + H2SO4 = HCl + K2SO4 =>
2 KClO3 + 6 K2SO3 + H2SO4 = 2 HCl + 7 K2SO4
KClO4 + MgAl = KCl + MgO + Al2O3 =>
5 KClO4 + 8 MgAl = 5 KCl + 8 MgO + 4 Al2O3
HgCl2 + AgNO3 = Hg(NO3)2 + AgCl =>
HgCl2 + 2 AgNO3 = Hg(NO3)2 + 2 AgCl
NiF2 + Na(NO3) + NH3 = Ni + NaF + NH3(NO3) =>
NiF2 + 2 Na(NO3) + 2 NH3 = Ni + 2 NaF + 2 NH3(NO3)
Fe(s) + HBr(aq) = H2(g) + FeBr(aq) =>
2 Fe(s) + 2 HBr(aq) = H2(g) + 2 FeBr(aq)
NO2{-} + J{-} + H{+} = NO + J2 + H2O =>
2 NO2{-} + 2 J{-} + 4 H{+} = 2 NO + J2 + 2 H2O
Mg2SiO4 + Ca5(PO4)3OH + (NH2)2CO + CO2 + H2O = (NH4)Mg(PO4)(H2O)6 + CaCO3 + SiO2 =>
3 Mg2SiO4 + 2 Ca5(PO4)3OH + 3(NH2)2CO + 7 CO2 + 41 H2O = 6(NH4)Mg(PO4)(H2O)6 + 10 CaCO3 + 3 SiO2
C4F8 + H2O + O2 = CO2 + HF =>
C4F8 + 4 H2O + 2 O2 = 4 CO2 + 8 HF
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
CuO + Cl = CuOCl =>
CuO + Cl = CuOCl
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cl2 + KBr = Cl2Br*K =>
Cl2 + KBr = Cl2Br*K
Br2 + CaI2 = I + BrCa =>
Br2 + 2 CaI2 = 4 I + 2 BrCa
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
KClO4 + MgAl = KCl + MgO + Al2O3 =>
5 KClO4 + 8 MgAl = 5 KCl + 8 MgO + 4 Al2O3
CH3CH2CH2CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2CH2CH2COOH + H2O =>
6 CH3CH2CH2CH2CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO2 + 5 CH3CH2CH2CH2CH2COOH + 14 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
H2SiO3 + KOH = H2O + K2SiO3 =>
H2SiO3 + 2 KOH = 2 H2O + K2SiO3
Fe{+2} + OH{-} = Fe2O3 + H2 + H2O =>
2 Fe{+2} + 4 OH{-} = Fe2O3 + H2 + H2O
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