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H2S2O8 + 2 H2O = H2O2 + 2 H2SO4
Mg(OH)2 + HCl = H2O + MgCl2 =>
Mg(OH)2 + 2 HCl = 2 H2O + MgCl2
Al + SnCl4 = AlCl3 + SnCl2 =>
2 Al + 3 SnCl4 = 2 AlCl3 + 3 SnCl2
Pb(s) + CuSO4(aq) = Pb(SO4)(aq) + Cu(s) =>
Pb(s) + CuSO4(aq) = Pb(SO4)(aq) + Cu(s)
C4H10(l) + O2(g) = CO(g) + H2O(l) =>
2 C4H10(l) + 9 O2(g) = 8 CO(g) + 10 H2O(l)
Pb + HOH = Pb(OH) + H2 =>
2 Pb + 2 HOH = 2 Pb(OH) + H2
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2CrO4(aq) = BaCrO4(s) + 2 NaNO3(aq)
TiCl3 + H2O = Ti2O3 + HCl =>
2 TiCl3 + 3 H2O = Ti2O3 + 6 HCl
Cu(NO3)2 + Na2CO3 + H2O = CuCO3*Cu(OH)2 + NaNO3 + CO2 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = CuCO3*Cu(OH)2 + 4 NaNO3 + CO2
Si + F = SiF2 =>
Si + 2 F = SiF2
zinc + sulfur = zincsulfide =>
Zn + S = ZnS
MgCO3 + HCl = MgCl + CO3 + H2 =>
2 MgCO3 + 2 HCl = 2 MgCl + 2 CO3 + H2
NaCl(aq) + Mg(NO3)2(aq) = NaNO3(aq) + MgCl2(aq) =>
2 NaCl(aq) + Mg(NO3)2(aq) = 2 NaNO3(aq) + MgCl2(aq)
P6 + Cl2 = PCl3 =>
P6 + 9 Cl2 = 6 PCl3
NaOH + Ca(OH)2 = CaOH + Na(OH)2 =>
NaOH + Ca(OH)2 = CaOH + Na(OH)2
H2SO4(aq) + KOH = K2SO4 + H2O =>
H2SO4(aq) + 2 KOH = K2SO4 + 2 H2O
Fe(s) + Cl2 = FeCl3 =>
2 Fe(s) + 3 Cl2 = 2 FeCl3
Na2Cr2O7 = Na + Cr2O7 =>
Na2Cr2O7 = 2 Na + Cr2O7
Fe(NO3)2 + H2O = Fe(OH)2 + HNO3 =>
Fe(NO3)2 + 2 H2O = Fe(OH)2 + 2 HNO3
C2H6 + Cl = CCl4 + HCl =>
C2H6 + 14 Cl = 2 CCl4 + 6 HCl
AgNO3 + NH3 = AgNH3 + NO3 =>
AgNO3 + NH3 = AgNH3 + NO3
KI(aq) + FeCl3(aq) = FeI3 + KCl =>
3 KI(aq) + FeCl3(aq) = FeI3 + 3 KCl
H2S(g) + SO2(g) = S(g) + H2O(g) =>
2 H2S(g) + SO2(g) = 3 S(g) + 2 H2O(g)
Cr + NaOH = Cr(OH)3 + Na =>
Cr + 3 NaOH = Cr(OH)3 + 3 Na
Al2O3 + SO3 = Al2(SO4)3 =>
Al2O3 + 3 SO3 = Al2(SO4)3
H2S + Cu(OH)2 = CuS + H2O =>
H2S + Cu(OH)2 = CuS + 2 H2O
C9H20 = C5H12 + C4H8 =>
C9H20 = C5H12 + C4H8
SO2(g) + O2 = SO3(s) =>
2 SO2(g) + O2 = 2 SO3(s)
HCOONa = CO + NaOH =>
HCOONa = CO + NaOH
NaI + H2(SO4) = I0 + H2S + Na2(SO4) + H(OH) =>
8 NaI + 5 H2(SO4) = 8 I0 + H2S + 4 Na2(SO4) + 4 H(OH)
C2H4O + Cu(OH)2 = C2H4O2 + Cu2O + H2O =>
C2H4O + 2 Cu(OH)2 = C2H4O2 + Cu2O + 2 H2O
Cl2 + P4 = PCl5 =>
10 Cl2 + P4 = 4 PCl5
SrCO3 + V2O5 = Sr2V2O7 + CO2 =>
2 SrCO3 + V2O5 = Sr2V2O7 + 2 CO2
Cu + AgCl = CuCl + Ag =>
Cu + AgCl = CuCl + Ag
CH3CO2H + Na2CO3 = NaC2H3O2 + CO2 + H2O =>
2 CH3CO2H + Na2CO3 = 2 NaC2H3O2 + CO2 + H2O
C2H4O = C + H + O =>
C2H4O = 2 C + 4 H + O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
B + N2 = BN2 =>
B + N2 = BN2
I + NaOH = NaI + NaIO + H2O =>
2 I + 2 NaOH = NaI + NaIO + H2O
NaCl + BaCl2 = NaBa + Cl2 =>
2 NaCl + 2 BaCl2 = 2 NaBa + 3 Cl2
Mg(s) + HCl(l) = MgCl(aq) + H2(g) =>
2 Mg(s) + 2 HCl(l) = 2 MgCl(aq) + H2(g)
Cr + Zn{2+} = Cr{3+} + Zn =>
2 Cr + 3 Zn{2+} = 2 Cr{3+} + 3 Zn
CaBr2 + AlCl3 = CaCl2 + AlBr3 =>
3 CaBr2 + 2 AlCl3 = 3 CaCl2 + 2 AlBr3
Li2O + Fe2O3 = Li5FeO4 =>
5 Li2O + Fe2O3 = 2 Li5FeO4
Na + MgCO3 = Na2CO3 + Mg =>
2 Na + MgCO3 = Na2CO3 + Mg
CH3SH + O2 = CO2 + SO2 + H2O =>
CH3SH + 3 O2 = CO2 + SO2 + 2 H2O
HIO3 + HCl = ICl3 + Cl2 + H2O =>
HIO3 + 5 HCl = ICl3 + Cl2 + 3 H2O
B + Cl = BCl2 =>
B + 2 Cl = BCl2
K + S2S = K2S =>
6 K + S2S = 3 K2S
K2S + H2O = KHS + KOH =>
K2S + H2O = KHS + KOH
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