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H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + K2SO4 + 4 H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Ag + S = AgS =>
Ag + S = AgS
S + H2SO4 = SO2 + H20 =>
10 S + 10 H2SO4 = 20 SO2 + H20
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Li + HNO3 = LiNO3 + NO + H2O =>
3 Li + 4 HNO3 = 3 LiNO3 + NO + 2 H2O
Mn + HI = H2 + MnI3 =>
2 Mn + 6 HI = 3 H2 + 2 MnI3
MnO2 + HCI = MnCI + H2O + CI =>
MnO2 + 4 HCI = MnCI + 2 H2O + 3 CI
CU(OH)2 + H2SO4 = H2O + CUSO4 =>
CU(OH)2 + H2SO4 = 2 H2O + CUSO4
Ag + PO4 = AgPO4 =>
Ag + PO4 = AgPO4
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
A1 + O2 = A12O3 =>
24 A1 + 3 O2 = 2 A12O3
Cs + H2SO4 = Cs2SO4 + H2O + H2S =>
8 Cs + 5 H2SO4 = 4 Cs2SO4 + 4 H2O + H2S
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
HOI + OH{-} = IO3{-} + I{-} + H2O =>
3 HOI + 3 OH{-} = IO3{-} + 2 I{-} + 3 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Ni2O3 + H2O = Ni(OH)3 =>
Ni2O3 + 3 H2O = 2 Ni(OH)3
Pb + SO4 = PbSO4 =>
Pb + SO4 = PbSO4
CA(OH)2 + HF = CAF2 + H2O =>
CA(OH)2 + 2 HF = CAF2 + 2 H2O
Na3AsO3 + I2 + H2O = Na3AsO4 + HI =>
Na3AsO3 + I2 + H2O = Na3AsO4 + 2 HI
NaOH + SO2 = NaHSO3 =>
NaOH + SO2 = NaHSO3
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
MgCl2 + (BaOH)2 = Mg(OH)2 + BaCl =>
MgCl2 + (BaOH)2 = Mg(OH)2 + 2 BaCl
Mg + S = MgS =>
Mg + S = MgS
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Pb + Cl2 = PbCl =>
2 Pb + Cl2 = 2 PbCl
S(s) + HCl(aq) = SCl2(aq) + H2(g) =>
S(s) + 2 HCl(aq) = SCl2(aq) + H2(g)
HS2 + O2 = SO2 + H2O =>
4 HS2 + 9 O2 = 8 SO2 + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
KOH + H2So4 = K2So4 + H2O =>
2 KOH + H2So4 = K2So4 + 2 H2O
KCl + Ca(NO3)2 = CaCl + K(NO3)2 =>
KCl + Ca(NO3)2 = CaCl + K(NO3)2
Mg + PO4 = MgPO4 =>
Mg + PO4 = MgPO4
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Zn(s) + Cu(CH3COO)2(aq) = Zn(CH3COO)2(aq) + Cu(s) =>
Zn(s) + Cu(CH3COO)2(aq) = Zn(CH3COO)2(aq) + Cu(s)
SO3 + KOH = KSO4 + H20 =>
20 SO3 + 20 KOH = 20 KSO4 + H20
AGNO3 + CUCl2 = AGCl + CU(NO3)2 =>
2 AGNO3 + CUCl2 = 2 AGCl + CU(NO3)2
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
Ag + Cl2 = AgCl =>
2 Ag + Cl2 = 2 AgCl
K2CrO4 + NaCl = Na2O + Cr2O3 + KCl + Cl2 =>
2 K2CrO4 + 10 NaCl = 5 Na2O + Cr2O3 + 4 KCl + 3 Cl2
(CH3CH3) + O2 = CO2 + H2O =>
2(CH3CH3) + 7 O2 = 4 CO2 + 6 H2O
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
CuO + H2SO3 = CuSO4 + H2 =>
CuO + H2SO3 = CuSO4 + H2
PbSO4 + NaOH = NaSO4 + Pb(OH) =>
PbSO4 + NaOH = NaSO4 + Pb(OH)
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