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2 H2 + O2 = 2 H2O
Ca(OH)2 + H2SO4 = CaSO4 + HOH =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 HOH
Ag2S + HNO3 = AgNO3 + NO + S + H2O =>
3 Ag2S + 8 HNO3 = 6 AgNO3 + 2 NO + 3 S + 4 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
HgCl2 + SnCl2 = Hg2Cl2 + SnCl4 =>
2 HgCl2 + SnCl2 = Hg2Cl2 + SnCl4
AlBr3 + Cu = Al + CuBr =>
AlBr3 + 3 Cu = Al + 3 CuBr
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
HgCl2 + SnCl2 = Hg2Cl2 + SnCl4 =>
2 HgCl2 + SnCl2 = Hg2Cl2 + SnCl4
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
AgCl3 + Ag2CO3 = Ag2(CO3)3 + AgCl =>
2 AgCl3 + 3 Ag2CO3 = Ag2(CO3)3 + 6 AgCl
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C + SnO2 = CO + Sn =>
2 C + SnO2 = 2 CO + Sn
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KMnO4 + KCl + H2SO4 = MnSO4 + K2SO4 + H2O + Cl2 =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 Cl2
Au(OH)3 + H2SO4 = Au2(SO4)3 + H2O =>
2 Au(OH)3 + 3 H2SO4 = Au2(SO4)3 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3(aq) + O2(aq) = NO(g) + H2O(l) =>
4 NH3(aq) + 5 O2(aq) = 4 NO(g) + 6 H2O(l)
C + O2 = CO =>
2 C + O2 = 2 CO
C14H10 + O2 = CO2 + H2O =>
2 C14H10 + 33 O2 = 28 CO2 + 10 H2O
Sb2S3 + O2 = Sb2O3 + SO2 =>
2 Sb2S3 + 9 O2 = 2 Sb2O3 + 6 SO2
PbO + CO = CO2 + Pb =>
PbO + CO = CO2 + Pb
NH3(aq) + O2(aq) = NO(g) + H2O(l) =>
4 NH3(aq) + 5 O2(aq) = 4 NO(g) + 6 H2O(l)
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
(CH3(CH2)6CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25 O2 = 16 CO2 + 18 H2O
K + P = K3P =>
3 K + P = K3P
Mg(s) + HCl = H2(g) + MgCl2 =>
Mg(s) + 2 HCl = H2(g) + MgCl2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
AlBr3 + Na2Co3 = Al2(Co3)3 + NaBr =>
2 AlBr3 + 3 Na2Co3 = Al2(Co3)3 + 6 NaBr
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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