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Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + 2 KNO3
PbO + HCl = PbCl2 + H2O =>
PbO + 2 HCl = PbCl2 + H2O
C4H6 + KMnO4 + H2O = C4H10O4 + MnO2 + KOH =>
3 C4H6 + 4 KMnO4 + 8 H2O = 3 C4H10O4 + 4 MnO2 + 4 KOH
Cr + AgNO3 = Cr(NO3)3 + Ag =>
Cr + 3 AgNO3 = Cr(NO3)3 + 3 Ag
Zn + CO2 = ZnO2 + C =>
Zn + CO2 = ZnO2 + C
C2H6(l) + O2(g) = CO2(g) + H2O(l) =>
2 C2H6(l) + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
Na2CO3(aq) + HNO3(aq) = H2CO3 + NaNO3 =>
Na2CO3(aq) + 2 HNO3(aq) = H2CO3 + 2 NaNO3
P4 + IO3{-} + OH{-} = PO4{3-} + I2 + H2O =>
P4 + 4 IO3{-} + 8 OH{-} = 4 PO4{3-} + 2 I2 + 4 H2O
P = P4 =>
4 P = P4
S + N = S4N4 =>
4 S + 4 N = S4N4
Na2S2O3 + Cl2 = Na2S4O6 + NaCl =>
2 Na2S2O3 + Cl2 = Na2S4O6 + 2 NaCl
CaHPO4 = Ca + H + PO4 =>
CaHPO4 = Ca + H + PO4
Mg(OH)2 + Al2(CO3)3 = Mg(CO3) + Al(OH)3 =>
3 Mg(OH)2 + Al2(CO3)3 = 3 Mg(CO3) + 2 Al(OH)3
FeCl3(aq) + K2CO3(aq) = Fe2(CO3)3(s) + KCl(aq) =>
2 FeCl3(aq) + 3 K2CO3(aq) = Fe2(CO3)3(s) + 6 KCl(aq)
AlCl3 + CH3COONa + H2O = Al(OH)2CH3COO + CH3COOH + NaCl =>
AlCl3 + 3 CH3COONa + 2 H2O = Al(OH)2CH3COO + 2 CH3COOH + 3 NaCl
HCOOH + O2 = CO2 + H2O =>
2 HCOOH + O2 = 2 CO2 + 2 H2O
MnO + KOH + O2 = KMnO4 + H2O =>
4 MnO + 4 KOH + 5 O2 = 4 KMnO4 + 2 H2O
Au2O3(s) = Au(s) + O2(g) =>
2 Au2O3(s) = 4 Au(s) + 3 O2(g)
F + U = FU =>
F + U = FU
KMnO4 + H2C2O4 = Mn + CO2 + H2O + K =>
KMnO4 + 4 H2C2O4 = Mn + 8 CO2 + 4 H2O + K
Al(NO3)3 + SnCl2 = Sn(NO3)2 + AlCl3 =>
2 Al(NO3)3 + 3 SnCl2 = 3 Sn(NO3)2 + 2 AlCl3
C3H6 = C2H4 =>
2 C3H6 = 3 C2H4
NaHCO3(s) + H(aq) = Na(aq) + CO2(g) + H2O(l) =>
NaHCO3(s) + H(aq) = Na(aq) + CO2(g) + H2O(l)
C10H15N + O = CO2 + H2O + N2 =>
2 C10H15N + 55 O = 20 CO2 + 15 H2O + N2
CO(NH2)2 + OBr{-} = CO3{-2} + H2 + N2 + Br =>
CO(NH2)2 + 2 OBr{-} = CO3{-2} + 2 H2 + N2 + 2 Br
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
Cu + KNO3 = Cu(NO3) + K =>
Cu + KNO3 = Cu(NO3) + K
CH3CHCHCH3 + H2O = CH3CH2CHOHCH3 =>
CH3CHCHCH3 + H2O = CH3CH2CHOHCH3
MnO2 + OH{-} = MnO4{2-} + H2O + e =>
MnO2 + 4 OH{-} = MnO4{2-} + 2 H2O + 2e
Co + SCN = CoSCN =>
Co + SCN = CoSCN
(NH4)2CrO4 + Sn(NO3)4 = Sn2(CrO4)4 + NH4NO3 =>
4(NH4)2CrO4 + 2 Sn(NO3)4 = Sn2(CrO4)4 + 8 NH4NO3
Hg + F2 = HgF =>
2 Hg + F2 = 2 HgF
H2 + Cl = HCl =>
H2 + 2 Cl = 2 HCl
Pb(CH3COO)2 + Na2S = PbS + CH3COONa =>
Pb(CH3COO)2 + Na2S = PbS + 2 CH3COONa
Na3VO4 + H2SO4 = Na5HV10O28 + Na2SO4 + H2O =>
20 Na3VO4 + 25 H2SO4 = 2 Na5HV10O28 + 25 Na2SO4 + 24 H2O
HCO3 + C6H8O7 = CO2 + H2O =>
18 HCO3 + C6H8O7 = 24 CO2 + 13 H2O
Cs + H2SO4 = Cs2SO4 + H =>
2 Cs + H2SO4 = Cs2SO4 + 2 H
Zr + NaOH + NaNO3 = Na2ZrO3 + NaNO2 + H2O =>
Zr + 2 NaOH + 2 NaNO3 = Na2ZrO3 + 2 NaNO2 + H2O
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l) =>
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l)
CaCO3 + HCl = H2CO3 + Ca + Cl =>
CaCO3 + 2 HCl = H2CO3 + Ca + 2 Cl
Fe + I2 = FeI2 =>
Fe + I2 = FeI2
CaI2 + Na2CO3 = Ca2(CO3)2 + NaI =>
2 CaI2 + 2 Na2CO3 = Ca2(CO3)2 + 4 NaI
C4H8Cl2 + Mg = C4H8Mg2Cl2 =>
C4H8Cl2 + 2 Mg = C4H8Mg2Cl2
Ba(OH)2 + Na2SO4 = BaSO4 + NaOH =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 NaOH
AgNO3 + KSCN = AgSCN + KNO3 =>
AgNO3 + KSCN = AgSCN + KNO3
ZnI2 + K2(CO3) = Zn(CO3) + KI =>
ZnI2 + K2(CO3) = Zn(CO3) + 2 KI
Al(OH)3 + HCl(ac) = AlCl3(ac) + H2O(l) =>
Al(OH)3 + 3 HCl(ac) = AlCl3(ac) + 3 H2O(l)
Zn(s) + O2(g) = ZnO =>
2 Zn(s) + O2(g) = 2 ZnO
Hg + F2 = HgF2 =>
Hg + F2 = HgF2
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C6H5COOH + H2O =>
21 C6H5CH(OH)CH3 + 20 K2Cr2O7 + 80 H2SO4 = 20 Cr2(SO4)3 + 20 K2SO4 + 24 C6H5COOH + 113 H2O
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