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ClCH2CH2Cl + 2 Na = CH2CH2 + 2 NaCl
Na + Se = NaSe =>
Na + Se = NaSe
Na2SO3 + H2O = (Na)2O + (H)2SO3 =>
Na2SO3 + H2O = (Na)2O + (H)2SO3
H2O2 + H2SO4 + KI = KHSO4 + H2O + I2 =>
H2O2 + 2 H2SO4 + 2 KI = 2 KHSO4 + 2 H2O + I2
C8H8O3 + H2O = C8H10O4 =>
C8H8O3 + H2O = C8H10O4
H2CO + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
5 H2CO + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 11 H2O + 2 K2SO4 + 4 MnSO4
PbI2 + H2O = HI2PbOH =>
PbI2 + H2O = HI2PbOH
H2S + SiH4 = SiH6 + S =>
H2S + SiH4 = SiH6 + S
Na2V4O9 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + HVO3 + Na2SO4 + H2O =>
3 Na2V4O9 + 2 Na2Cr2O7 + 11 H2SO4 = 2 Cr2(SO4)3 + 12 HVO3 + 5 Na2SO4 + 5 H2O
Cu(NO3)2 = Cu + (NO3) =>
Cu(NO3)2 = Cu + 2(NO3)
KI + Cl2 = KCl2 + I =>
KI + Cl2 = KCl2 + I
CuSO4 + Na3PO = CuPO + Na3SO4 =>
CuSO4 + Na3PO = CuPO + Na3SO4
BaSO3 + KMnO4 + H2O = BaSO4 + MnO2 + KOH =>
3 BaSO3 + 2 KMnO4 + H2O = 3 BaSO4 + 2 MnO2 + 2 KOH
CaCO3(s) + HCl(aq) = H2O(l) + CaCl2 + CO2(g) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CaCl2 + CO2(g)
NaOH + C = CNaOH =>
NaOH + C = CNaOH
(NH4)2SO4 + HgNO3 = NH4NO3 + Hg2SO4 =>
(NH4)2SO4 + 2 HgNO3 = 2 NH4NO3 + Hg2SO4
BaLi + Na(OH2) = Ba(OH2) + NaLi =>
BaLi + Na(OH2) = Ba(OH2) + NaLi
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
KSCN + FeCl3 = (FeSCN) + K + Cl =>
KSCN + FeCl3 = (FeSCN) + K + 3 Cl
V2O5 + K2CO3 = K3VO4 + CO2 =>
V2O5 + 3 K2CO3 = 2 K3VO4 + 3 CO2
KOHFe(NO3)3 = FeOHK(NO3)3 =>
KOHFe(NO3)3 = FeOHK(NO3)3
CH3COOC2H5 + NaOH = CH3COONa + C2H5OH =>
CH3COOC2H5 + NaOH = CH3COONa + C2H5OH
C3H8 + Br2 = C3Br + HBr =>
2 C3H8 + 9 Br2 = 2 C3Br + 16 HBr
Zn + As2O3 + H2SO4 = ZnSO4 + AsH3 + H2O =>
6 Zn + As2O3 + 6 H2SO4 = 6 ZnSO4 + 2 AsH3 + 3 H2O
Na2CO3 + H2O + HCl = NaCl + H3O + CO3 =>
Na2CO3 + 2 H2O + 2 HCl = 2 NaCl + 2 H3O + CO3
CH3CH2OH + K = CH3CH2OHK =>
CH3CH2OH + K = CH3CH2OHK
MnO + NH4NO3 = Mn(NO3)2 + NH3 + H2O =>
MnO + 2 NH4NO3 = Mn(NO3)2 + 2 NH3 + H2O
KOH + Mg2SO4 = K2SO4 + MgOH =>
2 KOH + Mg2SO4 = K2SO4 + 2 MgOH
O2 + Al + H2O = Al(OH)3 =>
3 O2 + 4 Al + 6 H2O = 4 Al(OH)3
NaOH + Cl2 + MnSO4 = MnO2 + NaCl + H2O + Na2SO4 =>
4 NaOH + Cl2 + MnSO4 = MnO2 + 2 NaCl + 2 H2O + Na2SO4
KOH + NH3 = K3N + H2O =>
3 KOH + NH3 = K3N + 3 H2O
C4H8Br2 + NaOH = C4H8OH + NaBr2 =>
C4H8Br2 + NaOH = C4H8OH + NaBr2
NaNO2 + KI + HCl = I2 + NH4Cl + NaCl + KCl + H2O =>
NaNO2 + 6 KI + 8 HCl = 3 I2 + NH4Cl + NaCl + 6 KCl + 2 H2O
K + ClO3 = O2 + KCl =>
2 K + 2 ClO3 = 3 O2 + 2 KCl
K3AsO4 + KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O =>
K3AsO4 + 2 KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O
H2S + CdCl2 = CdS + HCl = colour? =>
H2S + CdCl2 = CdS + 2 HCl
SnCl2 + HgCl2 + HCl = Hg + H2[SnCl6] =>
SnCl2 + HgCl2 + 2 HCl = Hg + H2[SnCl6]
MgO + H3PO4 = H2O + Mg3(PO4)2 =>
3 MgO + 2 H3PO4 = 3 H2O + Mg3(PO4)2
H2SO4 + HCl = HClO3 + H2O + SO2 =>
3 H2SO4 + HCl = HClO3 + 3 H2O + 3 SO2
HgO2 = Hg2O + O2 =>
4 HgO2 = 2 Hg2O + 3 O2
AlCl + NaOH = AlOH + ClNa =>
AlCl + NaOH = AlOH + ClNa
Mn(OH)2 + NaCl = MnCl2 + NaOH =>
Mn(OH)2 + 2 NaCl = MnCl2 + 2 NaOH
Ni(NO3)2(aq) + NaOH(aq) = NaNO3 + Ni(OH)2 =>
Ni(NO3)2(aq) + 2 NaOH(aq) = 2 NaNO3 + Ni(OH)2
C2O2H5N + O2 = H2O + CO2 + CO(NH2)2 =>
2 C2O2H5N + 3 O2 = 3 H2O + 3 CO2 + CO(NH2)2
S + I2 + H2O = H2SO4 + HI =>
S + 3 I2 + 4 H2O = H2SO4 + 6 HI
CrSO4 = CrS + O =>
CrSO4 = CrS + 4 O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
C7H8 + C2H5Cl = C11H17Cl + HCl =>
C7H8 + 2 C2H5Cl = C11H17Cl + HCl
CuBr + H2O = HBr + Cu2O =>
2 CuBr + H2O = 2 HBr + Cu2O
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