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2 Cr + H2SO4 = Cr2(SO4) + H2
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
Mg(OH)2 + (NH4)2SO3 = MgSO3 + NH3 + H2O =>
Mg(OH)2 + (NH4)2SO3 = MgSO3 + 2 NH3 + 2 H2O
Al + H20SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H20SO4 = 30 H2 + Al2(SO4)3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Ag + HBr = Br + AgH =>
Ag + HBr = Br + AgH
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
S + Br = SBr6 =>
S + 6 Br = SBr6
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
(CH3COO)2Mg + HCl = MgCl2 + CH3COOH =>
(CH3COO)2Mg + 2 HCl = MgCl2 + 2 CH3COOH
Hg(SCN)2 + O2 = HgS + C3N4 + CO2 + SO2 =>
2 Hg(SCN)2 + 3 O2 = 2 HgS + C3N4 + CO2 + 2 SO2
Na + AgCl = NaCl + Ag =>
Na + AgCl = NaCl + Ag
CH3Br(g) = CH3(g) + Br(g) =>
CH3Br(g) = CH3(g) + Br(g)
Ba(NO3)2 + SO4 = Ba(SO4)2 + NO3 =>
Ba(NO3)2 + 2 SO4 = Ba(SO4)2 + 2 NO3
CO2 + OH{-} = HCO3{-} =>
CO2 + OH{-} = HCO3{-}
Li + TbCl3 = Tb + LiCl =>
3 Li + TbCl3 = Tb + 3 LiCl
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
R(COOH)2 + Na = R(COONa)2 + H2 =>
R(COOH)2 + 2 Na = R(COONa)2 + H2
NaCl + CaCl2 = NaCa + Cl =>
NaCl + CaCl2 = NaCa + 3 Cl
CrO + H2 = Cr + H2O =>
CrO + H2 = Cr + H2O
C3H7O2N + O2 = CO2 + H2O + CH4N2O =>
2 C3H7O2N + 6 O2 = 5 CO2 + 5 H2O + CH4N2O
NH3 + O2 = N2O6 + H2 =>
2 NH3 + 3 O2 = N2O6 + 3 H2
CuSO4 + SIO2 = CuSIO3 + SO3 =>
CuSO4 + SIO2 = CuSIO3 + SO3
K2S + HBr = KBr + H2S =>
K2S + 2 HBr = 2 KBr + H2S
Cl2(g) + NaBr = NaCl + Br2(g) =>
Cl2(g) + 2 NaBr = 2 NaCl + Br2(g)
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Li + HF = LiF + H2 =>
2 Li + 2 HF = 2 LiF + H2
COCl2(g) + NH3(s) = CO(NH2)2(s) + NH4Cl(s) =>
COCl2(g) + 4 NH3(s) = CO(NH2)2(s) + 2 NH4Cl(s)
HCOONH4 + C4H6 = C4H8 + HCOONH2 =>
HCOONH4 + C4H6 = C4H8 + HCOONH2
Cr2O3 + KOH + HCl = K[Cr(OH)4] + KCl =>
Cr2O3 + 5 KOH + 3 HCl = 2 K[Cr(OH)4] + 3 KCl
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
Na + Fe(NO2)3 = NaNO2 + Fe =>
3 Na + Fe(NO2)3 = 3 NaNO2 + Fe
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
NaAl(SO4)2 + H2O = Al(OH)3 + H2SO4 + Na2SO4 =>
2 NaAl(SO4)2 + 6 H2O = 2 Al(OH)3 + 3 H2SO4 + Na2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCl(aq) + Na2CO3(s) = CO2(g) + H2O(l) + NaCl(aq) =>
2 HCl(aq) + Na2CO3(s) = CO2(g) + H2O(l) + 2 NaCl(aq)
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Ba + Al(NO3)3 = Ba(NO3)2 + Al =>
3 Ba + 2 Al(NO3)3 = 3 Ba(NO3)2 + 2 Al
MgBr2 + FeCl3 = FeBr3 + MgCl2 =>
3 MgBr2 + 2 FeCl3 = 2 FeBr3 + 3 MgCl2
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Br2 + CaI2 = CaBr2 + I2 =>
Br2 + CaI2 = CaBr2 + I2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Al2O3 + CO2 = Al2(CO3)3 =>
Al2O3 + 3 CO2 = Al2(CO3)3
K2MnO4 + H2O = KMnO4 + MnO2 + KOH =>
3 K2MnO4 + 2 H2O = 2 KMnO4 + MnO2 + 4 KOH
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