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H3PO4 + NaBH4 = BP + NaOH + 3 H2O
NH4OH + CaCO3 = (NH4)2CO3 + Ca(OH)2 =>
2 NH4OH + CaCO3 = (NH4)2CO3 + Ca(OH)2
Pb(ClO4)2(aq) + KBr(aq) = KClO4(aq) + PbBr2(s) =>
Pb(ClO4)2(aq) + 2 KBr(aq) = 2 KClO4(aq) + PbBr2(s)
CH4 + NCl4 = CCl4 + N + H =>
CH4 + NCl4 = CCl4 + N + 4 H
Na2B4O7 = Na + B4O7 =>
Na2B4O7 = 2 Na + B4O7
HBr + NH3 = NBr + H =>
HBr + NH3 = NBr + 4 H
NO2 + N = NO =>
NO2 + N = 2 NO
AgNO3 + KCN = Ag(CN) + KNO3 =>
AgNO3 + KCN = Ag(CN) + KNO3
Fe2 + AgCl = FeCl3 + Ag =>
Fe2 + 6 AgCl = 2 FeCl3 + 6 Ag
Br + O2 = Br2O3 =>
4 Br + 3 O2 = 2 Br2O3
SiO2 + C = SiC + CO2 =>
SiO2 + 2 C = SiC + CO2
Al(OH)3 + NH4Cl = AlCl3 + NOH5 =>
Al(OH)3 + 3 NH4Cl = AlCl3 + 3 NOH5
CuSO4(aq) + NaCl(aq) = CuCl2(aq) + Na2SO4 =>
CuSO4(aq) + 2 NaCl(aq) = CuCl2(aq) + Na2SO4
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
FeS2 + Cu = Fe + CuS =>
FeS2 + 2 Cu = Fe + 2 CuS
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2 =>
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2
CaO2 + C = CaC2 + CO =>
CaO2 + 4 C = CaC2 + 2 CO
NaBrO = NaBr + O2 =>
2 NaBrO = 2 NaBr + O2
Ba + HNO3 = Ba(NO3)2 + H2 =>
Ba + 2 HNO3 = Ba(NO3)2 + H2
Fe2O3 + NaNO3 + NaOH = Na2FeO4 + NaNO2 + H2O =>
Fe2O3 + 3 NaNO3 + 4 NaOH = 2 Na2FeO4 + 3 NaNO2 + 2 H2O
TiCl4(l) + Mg(s) = Ti(s) + MgCl2(s) =>
TiCl4(l) + 2 Mg(s) = Ti(s) + 2 MgCl2(s)
B + H2O = H3BO3 + H2 =>
2 B + 6 H2O = 2 H3BO3 + 3 H2
MnO2 + Ca(OH)2 = CaMnO3 + H2O =>
MnO2 + Ca(OH)2 = CaMnO3 + H2O
KNO3 + (NH4)2SO4 = K2SO4 + NH4NO3 =>
2 KNO3 + (NH4)2SO4 = K2SO4 + 2 NH4NO3
NH4Cl(aq) + Ca(OH)2 = NH3 + CaCl2 + H2O =>
2 NH4Cl(aq) + Ca(OH)2 = 2 NH3 + CaCl2 + 2 H2O
KNO3 + C3H8 = K2CO3 + CO2 + H2O + N2 =>
4 KNO3 + C3H8 = 2 K2CO3 + CO2 + 4 H2O + 2 N2
Mn + Al(NO3)3 = Al + Mn(NO3)3 =>
Mn + Al(NO3)3 = Al + Mn(NO3)3
HgI = Hg + I2 =>
2 HgI = 2 Hg + I2
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + H2O =>
H3BO3 + Fe(OH)3 = Fe(OH)(HBO3) + 2 H2O
Au + O = AuO2 =>
Au + 2 O = AuO2
Na2S2O3 + H2SO4 = Na2SO4 + H2S2O3 =>
Na2S2O3 + H2SO4 = Na2SO4 + H2S2O3
N3H8 + O2 = NO2 + H2O =>
N3H8 + 5 O2 = 3 NO2 + 4 H2O
K2S + Pb(NO3)2 = KNO3 + PbS =>
K2S + Pb(NO3)2 = 2 KNO3 + PbS
Al + H2SO4 = Al2(SO4)3 + H2S + H2O =>
8 Al + 15 H2SO4 = 4 Al2(SO4)3 + 3 H2S + 12 H2O
NaOH + CoCl2 = Co(OH)Cl + NaCl =>
NaOH + CoCl2 = Co(OH)Cl + NaCl
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
CuS + H2O2 = CuSO3 + H2O =>
CuS + 3 H2O2 = CuSO3 + 3 H2O
Ca + AuCl3 = CaCl2 + Au =>
3 Ca + 2 AuCl3 = 3 CaCl2 + 2 Au
H2S + O3 = SO2 + H2O =>
H2S + O3 = SO2 + H2O
Cu(s) + FeSO4(aq) = CuSO4 + Fe =>
Cu(s) + FeSO4(aq) = CuSO4 + Fe
ICl + H2SO4 = H2S2O7 + I2 + I2O5 + HCl =>
10 ICl + 10 H2SO4 = 5 H2S2O7 + 4 I2 + I2O5 + 10 HCl
Ba(OH)2 + NH4(SCN) = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 NH4(SCN) = Ba(SCN)2 + 2 H2O + 2 NH3
NaNO3(s) + H2SO4(l) = Na2SO4(s) + HNO3(g) =>
2 NaNO3(s) + H2SO4(l) = Na2SO4(s) + 2 HNO3(g)
Mg + H3O = MgO + H2 =>
2 Mg + 2 H3O = 2 MgO + 3 H2
Pb + HI = PbI2 + H2 =>
Pb + 2 HI = PbI2 + H2
C5H10N2O3 + O2 = CO2 + H2O + NO2 =>
C5H10N2O3 + 8 O2 = 5 CO2 + 5 H2O + 2 NO2
Cr2O7{2-} + (COOH)2 + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 3(COOH)2 + 8 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O
C2H5OH + H2O = CH3COOH + H =>
C2H5OH + H2O = CH3COOH + 4 H
(NO3)2 = NO3 =>
(NO3)2 = 2 NO3
Ba(HCO3)2 + NaOH = BaCO3 + NaHCO3 + H2O =>
Ba(HCO3)2 + NaOH = BaCO3 + NaHCO3 + H2O
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