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Pb + 2 HCl(aq) = PbCl2(ppt) + H2
Hg(NO3)2 + Na2SO3 = HgSO3 + NaNO3 =>
Hg(NO3)2 + Na2SO3 = HgSO3 + 2 NaNO3
Cu285S + O79 = Cu2O + SO66 =>
158 Cu285S + 417 O79 = 22515 Cu2O + 158 SO66
HNO3 + H3P = H3PO4 + H2O + N =>
8 HNO3 + 5 H3P = 5 H3PO4 + 4 H2O + 8 N
Na2B4O7 + (H2O)11 + C4H6O2 = Na2B4O7H2OC4H6O2 =>
11 Na2B4O7 + (H2O)11 + 11 C4H6O2 = 11 Na2B4O7H2OC4H6O2
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
K2SO4(aq) + CoCl2(ag) = KCl(aq) + CoSO4(s) =>
K2SO4(aq) + CoCl2(ag) = 2 KCl(aq) + CoSO4(s)
Cr(OH) + H2O2 = CrO4 + H2O =>
2 Cr(OH) + 7 H2O2 = 2 CrO4 + 8 H2O
Ca + Cu(SO4) = Cu + CaSO4 =>
Ca + Cu(SO4) = Cu + CaSO4
O2 = O3 =>
3 O2 = 2 O3
CrCl3*6H2O = Cr + Cl + H2O =>
CrCl3*6H2O = Cr + 3 Cl + 6 H2O
SiBr4 + F2 = SiF2 + Br2 =>
SiBr4 + F2 = SiF2 + 2 Br2
Ca + H1 = CaH2 =>
Ca + 2 H1 = CaH2
Al + NiBr2 = AlBr3 + Ni =>
2 Al + 3 NiBr2 = 2 AlBr3 + 3 Ni
Fe(SCN)3 + NH4OH = Fe(OH)3 + NH4SCN =>
Fe(SCN)3 + 3 NH4OH = Fe(OH)3 + 3 NH4SCN
Cu + HNO3 = Cu(NO3)3 + H2O + NH3 =>
8 Cu + 27 HNO3 = 8 Cu(NO3)3 + 9 H2O + 3 NH3
SO2 + H3 = S + H2O =>
3 SO2 + 4 H3 = 3 S + 6 H2O
Al + CuSO4 = Cu + Al2(SO4)3 =>
2 Al + 3 CuSO4 = 3 Cu + Al2(SO4)3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H2O + KNO3 = KOH + HNO3 =>
H2O + KNO3 = KOH + HNO3
InN3O9 + SnCl4 + C3H8O2 = In9Sn1O15 + CO2 + H2O + N2 + Cl2 =>
36 InN3O9 + 4 SnCl4 + 33 C3H8O2 = 4 In9Sn1O15 + 99 CO2 + 132 H2O + 54 N2 + 8 Cl2
Cl1 + O2 = Cl2O =>
4 Cl1 + O2 = 2 Cl2O
CH3CH2CH2NH2CH3COOH = CH3CH2CH2NH3CH3COO =>
CH3CH2CH2NH2CH3COOH = CH3CH2CH2NH3CH3COO
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
HClO4 = ClO + H2O + O2 =>
4 HClO4 = 4 ClO + 2 H2O + 5 O2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
K3(PO4) + BaCl2 = Ba3(PO4)2 + KCl =>
2 K3(PO4) + 3 BaCl2 = Ba3(PO4)2 + 6 KCl
Be(OH)2 + NaCl = BeCl2 + NaOH =>
Be(OH)2 + 2 NaCl = BeCl2 + 2 NaOH
C7H16 + HNO3 = CO2 + N2 + H2O =>
5 C7H16 + 44 HNO3 = 35 CO2 + 22 N2 + 62 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Cu2(OH)2CO3 + CH3COOH = (CH3COO)2Cu + CO2 + H2O =>
Cu2(OH)2CO3 + 4 CH3COOH = 2(CH3COO)2Cu + CO2 + 3 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
PbO2 + KOH + KNO2 = KNO3 + K2PbO2 + H2O =>
PbO2 + 2 KOH + KNO2 = KNO3 + K2PbO2 + H2O
KClO3 + S = KCl + S2O =>
KClO3 + 6 S = KCl + 3 S2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C + O2 = CO2 =>
C + O2 = CO2
CH3CCCH3H2O = CH3COHCHCH3 =>
CH3CCCH3H2O = CH3COHCHCH3
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
Li + NiCl2 = LiCl + Ni =>
2 Li + NiCl2 = 2 LiCl + Ni
Au + HNO3 = AuNO3 + H2 =>
2 Au + 2 HNO3 = 2 AuNO3 + H2
NaO + H2O = Na + OH =>
NaO + H2O = Na + 2 OH
PENIS = P + E + N + I + S =>
PENIS = P + E + N + I + S
NaHCO3(s) + CaCl2(s) = NaCl(s) + H2O(l) + CO2(g) + CaCO3(s) =>
2 NaHCO3(s) + CaCl2(s) = 2 NaCl(s) + H2O(l) + CO2(g) + CaCO3(s)
AgCl + CH3COOH = Ag(CH3COOH)2 + Cl2 =>
2 AgCl + 4 CH3COOH = 2 Ag(CH3COOH)2 + Cl2
HBr + HNO3 = NO2 + HBrO3 + H2O =>
HBr + 6 HNO3 = 6 NO2 + HBrO3 + 3 H2O
C17H31COOCH + O2 = H2O + CO2 =>
C17H31COOCH + 26 O2 = 16 H2O + 19 CO2
Mg + CrBr2 = Cr + MgBr2 =>
Mg + CrBr2 = Cr + MgBr2
PNIS = P + N2 + I + S =>
2 PNIS = 2 P + N2 + 2 I + 2 S
H2(SO4) + SrF2 = Sr(SO4) + HF =>
H2(SO4) + SrF2 = Sr(SO4) + 2 HF
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
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