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3 PbO2 + 4 Al = 2 Al2O3 + 3 Pb
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
Na6Cl8 = Na3Cl4 =>
Na6Cl8 = 2 Na3Cl4
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
KIH2SO4NaClO = INaClKSO4H2O =>
KIH2SO4NaClO = INaClKSO4H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CuSO4 + KI + H2SO4 = I2 + K2SO4 + H2O + Cu2S =>
2 CuSO4 + 10 KI + 4 H2SO4 = 5 I2 + 5 K2SO4 + 4 H2O + Cu2S
ZnCO3H2SO4 = ZnSO4H2CO3 =>
ZnCO3H2SO4 = ZnSO4H2CO3
Cu(OH)2CO3 + HNO3 = Cu(NO3)2 + CO3 + H2O =>
Cu(OH)2CO3 + 2 HNO3 = Cu(NO3)2 + CO3 + 2 H2O
C + O2 = CO2 = =>
C + O2 = CO2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Mg + HBr = MgBr2 + H =>
Mg + 2 HBr = MgBr2 + 2 H
C3H6Cl2 + Mg = C3H6 + MgCl2 =>
C3H6Cl2 + Mg = C3H6 + MgCl2
MgO + CaCO3 + Fe2O3 = MgCaFe2O4 + CO2 + O =>
MgO + CaCO3 + Fe2O3 = MgCaFe2O4 + CO2 + O
AlCl3 + K2S + H2O = Al(OH)3 + KCl + H2S =>
2 AlCl3 + 3 K2S + 6 H2O = 2 Al(OH)3 + 6 KCl + 3 H2S
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Br2O3 + KOH + KClO3 = KBrO3 + H2O + KCl =>
3 Br2O3 + 6 KOH + 2 KClO3 = 6 KBrO3 + 3 H2O + 2 KCl
OH + Cu2{+} = [Cu(OH)4]2{+} =>
8 OH + Cu2{+} = [Cu(OH)4]2{+}
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S + KOH = K2(SO3) + K2S + H2O =>
3 S + 6 KOH = K2(SO3) + 2 K2S + 3 H2O
NH4Br + Ca(OH)2 = NH4OH + CaBr2 =>
2 NH4Br + Ca(OH)2 = 2 NH4OH + CaBr2
Al(OH)3 + Na2O + H2O = Na3[Al(OH)6] =>
2 Al(OH)3 + 3 Na2O + 3 H2O = 2 Na3[Al(OH)6]
C6H5OH + K = C6H5OK + H2 =>
2 C6H5OH + 2 K = 2 C6H5OK + H2
NaNO3CaCO3 = CaNO3NaCO3 =>
NaNO3CaCO3 = CaNO3NaCO3
C4H8N2O3(aq) + O2(g) = CO2(g) + H2O(l) + CH4N2O =>
C4H8N2O3(aq) + 3 O2(g) = 3 CO2(g) + 2 H2O(l) + CH4N2O
SO + H2 = H2S + H2O =>
SO + 2 H2 = H2S + H2O
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CaO + P4O10 = Ca3(PO4)2 =>
6 CaO + P4O10 = 2 Ca3(PO4)2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cu{+} + Cl2{-} = CuCl2 =>
Cu{+} + Cl2{-} = CuCl2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CuO + NaOH + H2O = Na2[Cu(OH)4] =>
CuO + 2 NaOH + H2O = Na2[Cu(OH)4]
C22H52 + O2 = H2O + CO2 =>
C22H52 + 35 O2 = 26 H2O + 22 CO2
CrO + N2O3 = Cr2O3 + N2 =>
6 CrO + N2O3 = 3 Cr2O3 + N2
C + O2 = CO =>
2 C + O2 = 2 CO
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
copper(ii)oxide + hydrochloricacid = copper(ii)chloride + water =>
CuO + 2 HCl = CuCl2 + H2O
Co(NO3)2ZnSO4 = Zn(NO3)2CoSO4 =>
Co(NO3)2ZnSO4 = Zn(NO3)2CoSO4
KOH + H3PO4 = KPO4 + H2O + H2 =>
KOH + H3PO4 = KPO4 + H2O + H2
CH3COOH + HOC5H11 = CH3COOCH2CH2CH(CH3)2 + H2O =>
CH3COOH + HOC5H11 = CH3COOCH2CH2CH(CH3)2 + H2O
KOH + P + H2O = PH3 + K2PO3 =>
6 KOH + 7 P + 3 H2O = 4 PH3 + 3 K2PO3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
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