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3 Pb(NO3)2 + 2 K3CrO4 = Pb3(CrO4)2 + 6 KNO3
K2Cr2O7 + Cd + HCl = CrCl3 + CdCl2 + KCl + H2O =>
K2Cr2O7 + 3 Cd + 14 HCl = 2 CrCl3 + 3 CdCl2 + 2 KCl + 7 H2O
NaNO3 + NaOH = N(OH)2 + NaO =>
NaNO3 + 2 NaOH = N(OH)2 + 3 NaO
K2Cr2O7 + SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 SO2 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O
KCl + Pb(CH3COOH)2 = KCH3COOH + PbCl2 =>
2 KCl + Pb(CH3COOH)2 = 2 KCH3COOH + PbCl2
CH3CH2CH2CO2H(l) + CH2CH3OH(l)H = CH3CH2CH2CO2CH2CH3(l) + H2O(l) =>
7 CH3CH2CH2CO2H(l) + 4 CH2CH3OH(l)H = 6 CH3CH2CH2CO2CH2CH3(l) + 6 H2O(l)
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
FeSO4 + (NH4)2S = FeS + (NH4)2SO4 =>
FeSO4 + (NH4)2S = FeS + (NH4)2SO4
CH3CH2CH2CH2OH + CuO = CH3CH2COH + H2O + Cu =>
3 CH3CH2CH2CH2OH + 4 CuO = 4 CH3CH2COH + 3 H2O + 4 Cu
K2SO4 + I2 + Na2S2O3 + H2O = K2S4O6 + NaI + H2SO4 =>
3 K2SO4 + 7 I2 + 7 Na2S2O3 + 5 H2O = 3 K2S4O6 + 14 NaI + 5 H2SO4
NH4NO3 + NiBr2 = NiNO3 + NH4Br2 =>
NH4NO3 + NiBr2 = NiNO3 + NH4Br2
Pb(NO3)2 + Cu(SO4)2 = Pb(SO4)2 + Cu(NO3)2 =>
Pb(NO3)2 + Cu(SO4)2 = Pb(SO4)2 + Cu(NO3)2
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Na2C2O4 + HAuCl4 = Au + NaCl + CO2 + H2 =>
4 Na2C2O4 + 2 HAuCl4 = 2 Au + 8 NaCl + 8 CO2 + H2
MnSO4 + NaClO + NaOH = HMnO4 + NaCl + H2O + Na2SO4 =>
2 MnSO4 + 5 NaClO + 4 NaOH = 2 HMnO4 + 5 NaCl + H2O + 2 Na2SO4
HBr + Al(OH)3 = H2O + AlBr3 =>
3 HBr + Al(OH)3 = 3 H2O + AlBr3
Cr2O3 = Cr + O2 =>
2 Cr2O3 = 4 Cr + 3 O2
Cu + HClO4 = Cu(ClO4)2 + CuCl2 + H2O =>
8 Cu + 16 HClO4 = 7 Cu(ClO4)2 + CuCl2 + 8 H2O
Na2CO3 + K2S = Na2S + K2CO3 =>
Na2CO3 + K2S = Na2S + K2CO3
KHSO4 = K2S2O7 + H2O =>
2 KHSO4 = K2S2O7 + H2O
HSCH2CH(NH2)COOH + Na2[Pb(OH)4] = HOCH2CH(NH2)COONa + PbS + H2O + NaOH =>
HSCH2CH(NH2)COOH + Na2[Pb(OH)4] = HOCH2CH(NH2)COONa + PbS + 2 H2O + NaOH
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
KAl(SO4)2 = K + Al + SO4 =>
KAl(SO4)2 = K + Al + 2 SO4
K[Al(OH)4] + H2S = Al(OH)3 + KHS + H2O =>
K[Al(OH)4] + H2S = Al(OH)3 + KHS + H2O
Cu2S + NaOH = NaS + Cu2OH =>
Cu2S + NaOH = NaS + Cu2OH
K2CO3(s) + HBr(aq) = KBr(s) + CO2(g) + H2O(l) =>
K2CO3(s) + 2 HBr(aq) = 2 KBr(s) + CO2(g) + H2O(l)
HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + H2O =>
2 HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + 2 H2O
C20H6 + O2 = CO2 + H2O =>
2 C20H6 + 43 O2 = 40 CO2 + 6 H2O
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
C6H10O5 + Mn2O7 = MnO2 + CO2 + H2O =>
C6H10O5 + 4 Mn2O7 = 8 MnO2 + 6 CO2 + 5 H2O
CH3OOOH + K2CO3 = KCOOH + CO2 + H2O =>
2 CH3OOOH + K2CO3 = 2 KCOOH + CO2 + 3 H2O
Al2O3 + CO + Cl2 = AlCl3 + CO2 =>
Al2O3 + 3 CO + 3 Cl2 = 2 AlCl3 + 3 CO2
Al(NO3)3 + Fe = Fe(NO3)2 + Al =>
2 Al(NO3)3 + 3 Fe = 3 Fe(NO3)2 + 2 Al
HBr + LiOH = BrOH + HLi =>
HBr + LiOH = BrOH + HLi
HClO4(aq) + HCl(aq) = Cl2(g) + H2O(l) =>
HClO4(aq) + 7 HCl(aq) = 4 Cl2(g) + 4 H2O(l)
Zn + S8 = ZnS =>
8 Zn + S8 = 8 ZnS
(NH4)3N + Ca = H2 + Ca3N2 =>
(NH4)3N + 6 Ca = 6 H2 + 2 Ca3N2
Sb(OH)3 + LiOH = Li3SbO3 + H2O =>
Sb(OH)3 + 3 LiOH = Li3SbO3 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2SO4 + BrCl2 = BrSO4 + NaCl =>
Na2SO4 + BrCl2 = BrSO4 + 2 NaCl
MgCl2 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + NaCl + H2O =>
MgCl2 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + 2 NaCl + H2O
Rb + CrO4 + CuBr2 = RbBr + CuCrO4 =>
2 Rb + CrO4 + CuBr2 = 2 RbBr + CuCrO4
P4 + KOH + H2O = PH3 + KH2PO4 =>
2 P4 + 3 KOH + 9 H2O = 5 PH3 + 3 KH2PO4
HCl + Pt = PtCl4 + H2 =>
4 HCl + Pt = PtCl4 + 2 H2
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
Fe + Ca = FeCa =>
Fe + Ca = FeCa
PCl5 + Na2CO3 = Na3PO4 + NaCl + CO2 =>
PCl5 + 4 Na2CO3 = Na3PO4 + 5 NaCl + 4 CO2
C2H5(NO3)3 + O2 = CO2 + H2O + NO =>
4 C2H5(NO3)3 + O2 = 8 CO2 + 10 H2O + 12 NO
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