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2(b)Pb(NO3)2(s) = 2 PbO(s) + 4 NO2(g) + O2(g)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H2SO4 + HNO3 = HNO3SO3 + H2O =>
H2SO4 + HNO3 = HNO3SO3 + H2O
S + K2SO3 = K2S + SO3 =>
S + K2SO3 = K2S + SO3
Cr + Fe(NO3)3 = Fe + Cr(NO3)3 =>
Cr + Fe(NO3)3 = Fe + Cr(NO3)3
Na2SO3 + KMnO4 + H2SO4 = MnO2 + H2O + Na2SO4 + K2SO4 =>
3 Na2SO3 + 2 KMnO4 + H2SO4 = 2 MnO2 + H2O + 3 Na2SO4 + K2SO4
K2S + Cu(OH)2 = KOH + CuS =>
K2S + Cu(OH)2 = 2 KOH + CuS
H2O2 + NaI = NaIH + O2 =>
H2O2 + 2 NaI = 2 NaIH + O2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
RCOCl + NH3 = RCONH2 + HCl =>
RCOCl + NH3 = RCONH2 + HCl
V2O5 + H2O = V2(OH)10 =>
V2O5 + 5 H2O = V2(OH)10
MnC2O4 + H2O2 + KOH = MnO2 + K2C2O4 + H2O =>
MnC2O4 + H2O2 + 2 KOH = MnO2 + K2C2O4 + 2 H2O
Zn + O = Zn2O3 =>
2 Zn + 3 O = Zn2O3
C6H12O6 + CaCO3 = C12H22CaO14 =>
11 C6H12O6 + 6 CaCO3 = 6 C12H22CaO14
MgSO4*H2O = MgSO4 + H2O =>
MgSO4*H2O = MgSO4 + H2O
Fe2(SO4)3 + BaCl2 = Ba3(SO4)3 + FeCl3 =>
Fe2(SO4)3 + 3 BaCl2 = Ba3(SO4)3 + 2 FeCl3
HCl + NaBr = HBr + NaCl =>
HCl + NaBr = HBr + NaCl
C(s) + Cl2(g) = CCl2 =>
C(s) + Cl2(g) = CCl2
KI + H2SO4 = K2SO4 + K2S + I2 + H2O =>
8 KI + 4 H2SO4 = 3 K2SO4 + K2S + 4 I2 + 4 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2O + CO2 + Mg2SiO4 = H4SiO4 + MgCO3 =>
2 H2O + 2 CO2 + Mg2SiO4 = H4SiO4 + 2 MgCO3
CH3COO({-}) + KHSO4 = CH3COOH + KSO4({-}) =>
CH3COO({-}) + KHSO4 = CH3COOH + KSO4({-})
BaO + CO = BaC2 + CO2 =>
BaO + 5 CO = BaC2 + 3 CO2
HCl + HNO3 = NO2 + Cl2 + H2O =>
2 HCl + 2 HNO3 = 2 NO2 + Cl2 + 2 H2O
iron + Cu{2}sulfate = Fe{2}sulfate + copper =>
Fe + Cu{2}sulfate = Fe{2}sulfate + Cu
Ca(NO2)2 + H2S = CaS + HNO2 =>
Ca(NO2)2 + H2S = CaS + 2 HNO2
Zn + HCl = Cl2Zn + H =>
Zn + 2 HCl = Cl2Zn + 2 H
UF4 + Mg = MgF + U =>
UF4 + 4 Mg = 4 MgF + U
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
K3[Cr(OH)6] = KOH + Cr(OH)3 =>
K3[Cr(OH)6] = 3 KOH + Cr(OH)3
C11H22 + O2 = CO + H2O =>
C11H22 + 11 O2 = 11 CO + 11 H2O
SrCl2 + Na2CO3 = SrCO3(s) + NaCl(aq) =>
SrCl2 + Na2CO3 = SrCO3(s) + 2 NaCl(aq)
K2Cr2O7 + H2SO4 + SO2 + H2O = KCr(SO4)2*12H2O =>
K2Cr2O7 + H2SO4 + 3 SO2 + 23 H2O = 2 KCr(SO4)2*12H2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
P4O10 + KOH = K3PO4 + H2O =>
P4O10 + 12 KOH = 4 K3PO4 + 6 H2O
CH5O + O = CH2O + H2O =>
2 CH5O + 3 O = 2 CH2O + 3 H2O
HBO2 + CO = HBCO + O2 =>
HBO2 + CO = HBCO + O2
NiSO4*7H2O + HCl = NiCl2 + H2SO4 + H2O =>
NiSO4*7H2O + 2 HCl = NiCl2 + H2SO4 + 7 H2O
Cu2 + CO3 = Cu2CO3 =>
Cu2 + CO3 = Cu2CO3
Na2Pb(OH)6 + Cr2(SO4)3 + NaOH = Na2CrO4 + Na2Pb(OH)4 + Na2SO4 + H2O =>
3 Na2Pb(OH)6 + Cr2(SO4)3 + 10 NaOH = 2 Na2CrO4 + 3 Na2Pb(OH)4 + 3 Na2SO4 + 8 H2O
Ca(OH)2 + NO2 = CaO2 + N(OH)2 =>
Ca(OH)2 + NO2 = CaO2 + N(OH)2
KNo2 + NH4Cl = KCl + NH4No2 =>
KNo2 + NH4Cl = KCl + NH4No2
Al(OH)3 + H2SO4 = Al2(SO)4 + H2O + SO4 =>
2 Al(OH)3 + 15 H2SO4 = Al2(SO)4 + 18 H2O + 11 SO4
C6H8O7 + NaHCO3 = C7H9O10Na =>
C6H8O7 + NaHCO3 = C7H9O10Na
Mg(s) + I2 = MgI2 =>
Mg(s) + I2 = MgI2
CO(g) + H2(g) = C2H5OH(l) + O2(g) =>
4 CO(g) + 6 H2(g) = 2 C2H5OH(l) + O2(g)
FeCl3(s) + Na(s) = Fe(s) + NaCl(s) =>
FeCl3(s) + 3 Na(s) = Fe(s) + 3 NaCl(s)
TiCl4(l) + Mg(s) = MgCl2(s) + Ti(s) =>
TiCl4(l) + 2 Mg(s) = 2 MgCl2(s) + Ti(s)
HClKOH = KClH2O =>
HClKOH = KClH2O
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