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(NH4)2Cr2O7(s) = N2(g) + 4 H2O(g) + Cr2O3(s)
Xe + F2 = XeF6 =>
Xe + 3 F2 = XeF6
SO2 + KOH = H2O + K2SO3 =>
SO2 + 2 KOH = H2O + K2SO3
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
Fe(Br)2 + KCl = KBr + Fe(Cl)2 =>
Fe(Br)2 + 2 KCl = 2 KBr + Fe(Cl)2
K2CH2(N2O2)2 = K2O + CO2 + N2 + H2O =>
K2CH2(N2O2)2 = K2O + CO2 + 2 N2 + H2O
Bi(NO3)2 + NH4OH = Bi(OH)2 + NH4NO3 =>
Bi(NO3)2 + 2 NH4OH = Bi(OH)2 + 2 NH4NO3
Mg + HCl = Mg3H2Cl2 =>
3 Mg + 2 HCl = Mg3H2Cl2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
HClO = HCl + O =>
HClO = HCl + O
C2H6O + NaMnO4 = CO2 + MnO2 + NaOH + H2O =>
C2H6O + 4 NaMnO4 = 2 CO2 + 4 MnO2 + 4 NaOH + H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
HClO4 + KHCO3 = KClO4 + CO2 + H2O =>
HClO4 + KHCO3 = KClO4 + CO2 + H2O
ZnSO4 + NaNO3 = NaSO4 + ZnNO3 =>
ZnSO4 + NaNO3 = NaSO4 + ZnNO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Na2SO3 + H2O = S + Na2SO4 + NaOH =>
3 Na2SO3 + H2O = S + 2 Na2SO4 + 2 NaOH
Ca + Ce2 = CaCe2 =>
Ca + Ce2 = CaCe2
CH3CHONaCH3 + CH3Br = CH3CH2Br + NaOCH3 =>
CH3CHONaCH3 + 2 CH3Br = 2 CH3CH2Br + NaOCH3
H2C2O5 + Hg(OH)2 = Hg2(C2O5)2 + H2O =>
2 H2C2O5 + 2 Hg(OH)2 = Hg2(C2O5)2 + 4 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Mg + Br = MgBr2 =>
Mg + 2 Br = MgBr2
NaHCO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 NaHCO3 + H3PO4 = Na3PO4 + 3 H2O + 3 CO2
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
HNO3 + Ca = Ca(NO3)2 + NO2 + H2O =>
4 HNO3 + Ca = Ca(NO3)2 + 2 NO2 + 2 H2O
NH4(NO)3(s) = N2(g) + O2(g) + H2O(g) =>
2 NH4(NO)3(s) = 4 N2(g) + O2(g) + 4 H2O(g)
Li2O + Mg3(PO4)2 = MgO + Li3(PO4) =>
3 Li2O + Mg3(PO4)2 = 3 MgO + 2 Li3(PO4)
KNO3 + BaCl2 = KCl + Ba(NO3)2 =>
2 KNO3 + BaCl2 = 2 KCl + Ba(NO3)2
CUO + H2SO4 = CUSO4 + H2O =>
CUO + H2SO4 = CUSO4 + H2O
CoCl2 + Cl2 + NaOH = Co(OH)3 + NaCl =>
2 CoCl2 + Cl2 + 6 NaOH = 2 Co(OH)3 + 6 NaCl
FeCl2 + NaBH4 + H2O = Fe + NaCl + B(OH)3 + H2 =>
FeCl2 + 2 NaBH4 + 6 H2O = Fe + 2 NaCl + 2 B(OH)3 + 7 H2
Ca(OH)2 + Al(ClO)3 = Ca(ClO)2 + Al(OH)3 =>
3 Ca(OH)2 + 2 Al(ClO)3 = 3 Ca(ClO)2 + 2 Al(OH)3
Zn + CuCl2 = ZnCl2 + Cu =>
Zn + CuCl2 = ZnCl2 + Cu
LiOH + CuSO4 = Li2SO4 + Cu(OH)2 =>
2 LiOH + CuSO4 = Li2SO4 + Cu(OH)2
CH3CHONaCH3 + CH3Br = CH3CH2Br + NaOCH3 =>
CH3CHONaCH3 + 2 CH3Br = 2 CH3CH2Br + NaOCH3
Zn + HI = H2 + ZnI =>
2 Zn + 2 HI = H2 + 2 ZnI
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
MgCl2 + Ba(OH)2 = BaCl2 + Mg(OH)2 =>
MgCl2 + Ba(OH)2 = BaCl2 + Mg(OH)2
Mg + Sn(No3)2 = Mg(No3)2 + Sn =>
Mg + Sn(No3)2 = Mg(No3)2 + Sn
H2SO4 + NaOH + KMnO4 = KOH + Na2SO4 + HMnO4 =>
H2SO4 + 2 NaOH + 2 KMnO4 = 2 KOH + Na2SO4 + 2 HMnO4
MnO2 + C2H2O4*2H2O = MnCO3 + H2O + CO2 =>
MnO2 + C2H2O4*2H2O = MnCO3 + 3 H2O + CO2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Ca + Ce2 = CaCe2 =>
Ca + Ce2 = CaCe2
CH3{-}CH3 + HCl = CH2Cl{-}CH3 + H2 =>
CH3{-}CH3 + HCl = CH2Cl{-}CH3 + H2
C2H2 + CaC2 = CaH2 + C4 =>
C2H2 + CaC2 = CaH2 + C4
Ba(Cl2) + H2(SO4) = BaSO4 + HCl =>
Ba(Cl2) + H2(SO4) = BaSO4 + 2 HCl
NiCl2 + Na2HPO4 = NaH2PO4 + Ni3(PO4)2 + NaCl =>
3 NiCl2 + 4 Na2HPO4 = 2 NaH2PO4 + Ni3(PO4)2 + 6 NaCl
Fe + O2Fe3O4 = Fe2O3 =>
Fe + O2Fe3O4 = 2 Fe2O3
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
CaC2 + CO2 + H2O = Ca(OH)2 + C2CHCO2H =>
7 CaC2 + 6 CO2 + 12 H2O = 7 Ca(OH)2 + 5 C2CHCO2H
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