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2 K + 2 H2O = 2 KOH + H2
SiO2 + Na2O = Na2SiO3 =>
SiO2 + Na2O = Na2SiO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
H2SO4(aq) + KOH(aq) = K2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 H2O(l)
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Fe(OH)3 + CO2 = Fe2(CO3)3 + H2O =>
2 Fe(OH)3 + 3 CO2 = Fe2(CO3)3 + 3 H2O
Ca2 + O2 = CaO =>
Ca2 + O2 = 2 CaO
S8 + AsF5 = S16(AsF6)2 + AsF3 =>
2 S8 + 3 AsF5 = S16(AsF6)2 + AsF3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
ZnSO3 = ZnO + SO2 =>
ZnSO3 = ZnO + SO2
Al + HNO3 = Al(NO3)3 + H2O + N2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 15 H2O + 3 N2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3NH2 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + N2 + H2O =>
10 CH3NH2 + 18 KMnO4 + 27 H2SO4 = 18 MnSO4 + 9 K2SO4 + 10 CO2 + 5 N2 + 52 H2O
H2O + C2H4 = C2H5OH =>
H2O + C2H4 = C2H5OH
MnO2 + H2 = Mn + H2O =>
MnO2 + 2 H2 = Mn + 2 H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Sb2O3 + C = Sb + CO =>
Sb2O3 + 3 C = 2 Sb + 3 CO
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
HCL + NAOH = H2O + NACL =>
HCL + NAOH = H2O + NACL
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
H2SO4 + Zn = ZnSO4 + H2 =>
H2SO4 + Zn = ZnSO4 + H2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AuCl3 = Au + Cl2 =>
2 AuCl3 = 2 Au + 3 Cl2
HCl + Ca = H + CaCl2 =>
2 HCl + Ca = 2 H + CaCl2
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
KOH + NH4Cl = NH4OH + KCl =>
KOH + NH4Cl = NH4OH + KCl
C6H12O6(s) + O2 = CO2(g) + H2O(l) =>
C6H12O6(s) + 6 O2 = 6 CO2(g) + 6 H2O(l)
H2SO4 + C = SO2 + CO2 + H2O =>
2 H2SO4 + C = 2 SO2 + CO2 + 2 H2O
NH4Cl + NaOH = NaCl + NH3 + H2O =>
NH4Cl + NaOH = NaCl + NH3 + H2O
ZN + H2SO4 = ZNSO4 + H2 =>
ZN + H2SO4 = ZNSO4 + H2
NaF + HNO3 = NaNO3 + HF =>
NaF + HNO3 = NaNO3 + HF
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
MgO + N2O5 = MgO5 + N2O =>
MgO + N2O5 = MgO5 + N2O
P + HClO3 + H2O = HCl + H3PO4 =>
6 P + 5 HClO3 + 9 H2O = 5 HCl + 6 H3PO4
Cu(NO3)2 + NAOH = Cu(OH)2 + NANO3 =>
Cu(NO3)2 + 2 NAOH = Cu(OH)2 + 2 NANO3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
HNO3 + Cr(OH)3 = Cr(NO3)3 + H2O =>
3 HNO3 + Cr(OH)3 = Cr(NO3)3 + 3 H2O
P + N2O = N2 + P2O5 =>
2 P + 5 N2O = 5 N2 + P2O5
CaO(S) + CO2(g) = CaCO3(S) =>
CaO(S) + CO2(g) = CaCO3(S)
Fe3O4 + Al = Al2O3 + Fe =>
3 Fe3O4 + 8 Al = 4 Al2O3 + 9 Fe
H2So4(aq) + Ba(OH)2(aq) = H2O(l) + BaSo4(s) =>
H2So4(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaSo4(s)
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + NaSO4 + K2SO4 + H2O =>
4 KMnO4 + 10 NaI + 16 H2SO4 = 5 I2 + 4 MnSO4 + 10 NaSO4 + 2 K2SO4 + 16 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KMnO4 + K2SO3 + H2O = MnO2 + K2SO4 + KOH =>
2 KMnO4 + 3 K2SO3 + H2O = 2 MnO2 + 3 K2SO4 + 2 KOH
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