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2 K(s) + CuSO4(aq) = K2SO4(aq) + Cu(s)
(CH3)2N2H2 + O2 = N2 + H2O + CO2 =>
(CH3)2N2H2 + 4 O2 = N2 + 4 H2O + 2 CO2
CaO + H2CO3 = Ca2(CO3)2 + H2O =>
2 CaO + 2 H2CO3 = Ca2(CO3)2 + 2 H2O
C + SiO2 = SiC + O2 =>
C + SiO2 = SiC + O2
Zn(OH)2 + K2O + H2O = K2(Zn(OH)4) =>
Zn(OH)2 + K2O + H2O = K2(Zn(OH)4)
(NH4)2MoO4 + HCl + SnCl2 = Mo2O5 + NH4Cl + SnCl4 + H2O =>
2(NH4)2MoO4 + 6 HCl + SnCl2 = Mo2O5 + 4 NH4Cl + SnCl4 + 3 H2O
(NH4)2HPO4 + HCl = NH4Cl + H2PO4 + H2 =>
2(NH4)2HPO4 + 4 HCl = 4 NH4Cl + 2 H2PO4 + H2
POCl3 + NaNO2 = NOCl + Na3PO4 =>
POCl3 + 3 NaNO2 = 3 NOCl + Na3PO4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HCCH + KMnO4 + H2O = (COOH)2 + MnO2 + KOH =>
3 HCCH + 8 KMnO4 + 4 H2O = 3(COOH)2 + 8 MnO2 + 8 KOH
K2Cr2O7 + KI + KHSO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 14 KHSO4 = Cr2(SO4)3 + 11 K2SO4 + 3 I2 + 7 H2O
Cr(OH)3 + CrCl3 = CrCl3Cr(OH)3 =>
Cr(OH)3 + CrCl3 = CrCl3Cr(OH)3
*Hg*O = *HgO =>
*Hg*O = *HgO
C7H7Cl + Cl2 = C7H4Cl4 + HCl =>
C7H7Cl + 3 Cl2 = C7H4Cl4 + 3 HCl
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
AI(OH)3 + HBr = AIBr3 + H2O =>
AI(OH)3 + 3 HBr = AIBr3 + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
MgI2 + H2SO4 = MgSO4 + H2S + I2 + H2O =>
4 MgI2 + 5 H2SO4 = 4 MgSO4 + H2S + 4 I2 + 4 H2O
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
KCl + H3PO4 = K3PO4 + HCl =>
3 KCl + H3PO4 = K3PO4 + 3 HCl
AsI3 = As + I2 =>
2 AsI3 = 2 As + 3 I2
Al(OH)3 + CuCl2 = Cu(OH)2 + AlCl3 =>
2 Al(OH)3 + 3 CuCl2 = 3 Cu(OH)2 + 2 AlCl3
Cs2CO3 + ZnBr2 = Cs2Br2 + CO3Zn =>
Cs2CO3 + ZnBr2 = Cs2Br2 + CO3Zn
K2CO3 + Cl2 + H2O = KCl + KClO3 + KHCO3 =>
6 K2CO3 + 3 Cl2 + 3 H2O = 5 KCl + KClO3 + 6 KHCO3
Cs2CO3 + ZnBr2 = Cs2Br2 + ZnCO3 =>
Cs2CO3 + ZnBr2 = Cs2Br2 + ZnCO3
Cl2OH2SO4 = Cl2SO4H2O =>
Cl2OH2SO4 = Cl2SO4H2O
MgF2 + HNO3 = Mg(NO3)2 + HF =>
MgF2 + 2 HNO3 = Mg(NO3)2 + 2 HF
LiAlH4(s) + AlCl3(s) = AlH3(s) + LiCl(s) =>
3 LiAlH4(s) + AlCl3(s) = 4 AlH3(s) + 3 LiCl(s)
S8(s) + Cu(s) = Cu2S(s) =>
S8(s) + 16 Cu(s) = 8 Cu2S(s)
C6O6Cr + Cl2 = CrCl3 + CO =>
2 C6O6Cr + 3 Cl2 = 2 CrCl3 + 12 CO
Cs2CO3 + ZnBr2 = CsBr + ZnCO3 =>
Cs2CO3 + ZnBr2 = 2 CsBr + ZnCO3
Ca(OH)2 + (NH4)2SO4 = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 NH3 + 2 H2O
C3H6Cl2 + O2 = CO2 + H2O + Cl =>
2 C3H6Cl2 + 9 O2 = 6 CO2 + 6 H2O + 4 Cl
Al2(CO3)3 + NaNO3 = Al(NO3)3 + Na2CO3 =>
Al2(CO3)3 + 6 NaNO3 = 2 Al(NO3)3 + 3 Na2CO3
C6H5CHO + MnO4{-} + OH{-} = C6H5CO2{-} + MnO2 + H2O =>
3 C6H5CHO + 2 MnO4{-} + OH{-} = 3 C6H5CO2{-} + 2 MnO2 + 2 H2O
KClO3 + S + CaO = KCl + CaSO3 =>
2 KClO3 + 3 S + 3 CaO = 2 KCl + 3 CaSO3
KHCO3 + NaOH = K2CO3 + H2O + Na2CO3 =>
2 KHCO3 + 2 NaOH = K2CO3 + 2 H2O + Na2CO3
Br2 + H2O2 = BrO + H2O =>
Br2 + 2 H2O2 = 2 BrO + 2 H2O
UI3 + NH3 = U3N5 + HI + H2 =>
3 UI3 + 5 NH3 = U3N5 + 9 HI + 3 H2
CaHS = CaSH =>
CaHS = CaSH
NaCN + HI = NaI + HCN =>
NaCN + HI = NaI + HCN
C3H6Cl2 + O2 = CO2 + H2O + HCl =>
C3H6Cl2 + 4 O2 = 3 CO2 + 2 H2O + 2 HCl
NaNo3 + CaCl2 = Ca(No3)2 + NaCl =>
2 NaNo3 + CaCl2 = Ca(No3)2 + 2 NaCl
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
Fe2O3 + SO3 = Fe2(SO4)3 =>
Fe2O3 + 3 SO3 = Fe2(SO4)3
Mg(s) + I2(g) = MgI =>
2 Mg(s) + I2(g) = 2 MgI
NaSCN + HCl = HSCN + NaCl =>
NaSCN + HCl = HSCN + NaCl
Na3[Cr(OH)6] + K2S2O8 = Na2CrO4 + NaOH + KHSO4 + H2O =>
2 Na3[Cr(OH)6] + 3 K2S2O8 = 2 Na2CrO4 + 2 NaOH + 6 KHSO4 + 2 H2O
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