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2 C2H6 + 7 O2 = 6 H2O + 4 CO2
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
O2 + C4H10 = CO2 + H2O =>
13 O2 + 2 C4H10 = 8 CO2 + 10 H2O
Ni(s) + I2(s) = NiI2(s) =>
Ni(s) + I2(s) = NiI2(s)
ZnCO3 = Zn + CO3 =>
ZnCO3 = Zn + CO3
C(s) + H2O(g) = CO(g) + H2(g) =>
C(s) + H2O(g) = CO(g) + H2(g)
AlBr3(aq) + Cl2(g) = AlCl3(aq) + Br2(l) =>
2 AlBr3(aq) + 3 Cl2(g) = 2 AlCl3(aq) + 3 Br2(l)
H2 + F2 = HF =>
H2 + F2 = 2 HF
HCl + Zn = H2 + ClZn =>
2 HCl + 2 Zn = H2 + 2 ClZn
HCl + Zn = H + ClZn =>
HCl + Zn = H + ClZn
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
Al(s) + Pb(NO3)2(aq) = Al(NO3)3(aq) + Pb(s) =>
2 Al(s) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Pb(s)
NH4Cl + Sr(OH)2 = SrCl2 + H2O + NH3 =>
2 NH4Cl + Sr(OH)2 = SrCl2 + 2 H2O + 2 NH3
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
C3H3(g) + O2(g) = CO2(g) + H2O(g) =>
4 C3H3(g) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
Cr2S3 + HCl = CrCl3 + H2S =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
Na + MgCl2 = NaCl2 + Mg =>
Na + MgCl2 = NaCl2 + Mg
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Na2CO3 + S + SO2 = CO2 + Na2S2O3 =>
Na2CO3 + S + SO2 = CO2 + Na2S2O3
Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
Cu + OH = Cu(OH)2 =>
Cu + 2 OH = Cu(OH)2
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Na + MgCl2 = NaMg + Cl2 =>
Na + MgCl2 = NaMg + Cl2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
H2 + S = H2S =>
H2 + S = H2S
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2 + I2 = HI =>
H2 + I2 = 2 HI
PbCO3(s) + HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g) =>
PbCO3(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g)
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
Mg + H2SO4 = H2S + MgSO4 + H2O =>
4 Mg + 5 H2SO4 = H2S + 4 MgSO4 + 4 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
HNO3 + C = CO2 + NO + H2O =>
4 HNO3 + 3 C = 3 CO2 + 4 NO + 2 H2O
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
CaCl2 + K2CO3 = CaCO3 + Cl2K2 =>
CaCl2 + K2CO3 = CaCO3 + Cl2K2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Sn(NO2)4 + Pt3N4 = Sn3N4 + Pt(NO2)4 =>
3 Sn(NO2)4 + Pt3N4 = Sn3N4 + 3 Pt(NO2)4
CaCl2 + K2CO3 = CaCO3 + Cl2K2 =>
CaCl2 + K2CO3 = CaCO3 + Cl2K2
CaCO3(s) + HC2H3O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HC2H3O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g)
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
K2CO3(s) + H3PO4(aq) = K3PO4(aq) + H2O(l) + CO2(g) =>
3 K2CO3(s) + 2 H3PO4(aq) = 2 K3PO4(aq) + 3 H2O(l) + 3 CO2(g)
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