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3 Zn(s) + 2 CrCl3(aq) = 2 Cr(s) + 3 ZnCl2(aq)
N3 + H2 = H2N3 =>
N3 + H2 = H2N3
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
MnO + N2O5 = MnNO32 + NO2 =>
MnO + 29 N2O5 = MnNO32 + 57 NO2
CaO + HClO4 = Ca(ClO4)2 + H2O =>
CaO + 2 HClO4 = Ca(ClO4)2 + H2O
NaOH + Fe3SO4 = Fe3OH + NaSO4 =>
NaOH + Fe3SO4 = Fe3OH + NaSO4
Cr2O3(s) + C(s) = Cr(s) + CO(g) =>
Cr2O3(s) + 3 C(s) = 2 Cr(s) + 3 CO(g)
Pb(NO3)2 + H2SO4 = H2PbSO4 + NO3 =>
Pb(NO3)2 + H2SO4 = H2PbSO4 + 2 NO3
S + KMnO4 = K2SO4 + MnO2 =>
S + 2 KMnO4 = K2SO4 + 2 MnO2
Al3(s) + CuCl2(aq) = AlCl3 + Cu =>
2 Al3(s) + 9 CuCl2(aq) = 6 AlCl3 + 9 Cu
H2SO4 + Cu = CuSO4 + S2O2 + H2O =>
6 H2SO4 + 4 Cu = 4 CuSO4 + S2O2 + 6 H2O
N2 + H = NH20 =>
N2 + 40 H = 2 NH20
Ca2Si + H2O = Ca(OH)2 + SiO + H2 =>
Ca2Si + 5 H2O = 2 Ca(OH)2 + SiO + 3 H2
HCl(aq) + Ca(s) = CaCl2(aq) + H2(q) =>
2 HCl(aq) + Ca(s) = CaCl2(aq) + H2(q)
K2CrO4 + H2SO4 = K2SO4 + H2O + K2Cr2O7 =>
2 K2CrO4 + H2SO4 = K2SO4 + H2O + K2Cr2O7
Al + Cl{2} = AlCl{2} =>
Al + Cl{2} = AlCl{2}
H2SO4(aq) + KCl(aq) = HCl(aq) + K2SO4(s) =>
H2SO4(aq) + 2 KCl(aq) = 2 HCl(aq) + K2SO4(s)
Al2(SO4)3 + H2O + Na2S = Al(OH) + Na2SO4 + H2S =>
2 Al2(SO4)3 + 8 H2O + 7 Na2S = 4 Al(OH) + 7 Na2SO4 + 6 H2S
Cd(NO3)2 + NH3 = Cd(NH3)2 + NO3 =>
Cd(NO3)2 + 2 NH3 = Cd(NH3)2 + 2 NO3
CH3OH + C8H8O3 + NH4OH = C20H25N3O + H2O =>
36 CH3OH + 13 C8H8O3 + 21 NH4OH = 7 C20H25N3O + 89 H2O
BaS + CrBr3 = BaBr2 + Cr2S3 =>
3 BaS + 2 CrBr3 = 3 BaBr2 + Cr2S3
NH4NO3 + CH4 = CO2 + H2O + N2 =>
4 NH4NO3 + CH4 = CO2 + 10 H2O + 4 N2
HCH3COO + Ba(OH)2 = H2O + Ba(CH3COO)2 =>
2 HCH3COO + Ba(OH)2 = 2 H2O + Ba(CH3COO)2
Z4(s) + H2SO4(aq) = Z4SO4(aq) + H2(g) =>
Z4(s) + H2SO4(aq) = Z4SO4(aq) + H2(g)
CaCl2*2H2O(aq) + Na2CO3(aq) = CaCO3(s) + NaCl(aq) + H2O(l) =>
CaCl2*2H2O(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaCl(aq) + 2 H2O(l)
NO2 + H2O = (HNO3) + NO =>
3 NO2 + H2O = 2(HNO3) + NO
Zn + Co(NO3)2 = Zn(NO3)2 + Co2 =>
2 Zn + 2 Co(NO3)2 = 2 Zn(NO3)2 + Co2
K2CrO4 + HNO3 = HKCrO4 + KNO3 =>
K2CrO4 + HNO3 = HKCrO4 + KNO3
HCl + KMgO4 = MgCl2 + KCl + Cl2 + H2O =>
16 HCl + 2 KMgO4 = 2 MgCl2 + 2 KCl + 5 Cl2 + 8 H2O
CoCl2(blue) + H2O = [Co(H2O)6]Cl2(pink) =>
CoCl2(blue) + 6 H2O = [Co(H2O)6]Cl2(pink)
NaCl(aq) + H2SO4(aq) = Na2SO4 + HCl =>
2 NaCl(aq) + H2SO4(aq) = Na2SO4 + 2 HCl
K[Al(OH)4] + SO2 = Al(OH)3 + KHSO3 =>
K[Al(OH)4] + SO2 = Al(OH)3 + KHSO3
KMnO4 + KOH + K2SO3 = K2MnO4 + K2SO4 + H2O =>
2 KMnO4 + 2 KOH + K2SO3 = 2 K2MnO4 + K2SO4 + H2O
HClO4 + MgOH = MgClO4 + H2O =>
HClO4 + MgOH = MgClO4 + H2O
Cu + MgCl2 = MgCu + Cl2 =>
Cu + MgCl2 = MgCu + Cl2
I{-}(aq) + NO2{-}(aq) + H{+} = I2(s) + NO(g) + H2O =>
2 I{-}(aq) + 2 NO2{-}(aq) + 4 H{+} = I2(s) + 2 NO(g) + 2 H2O
Br2 + NaCrO3 + NaOH = Na2CrO4 + NaBr + H2O =>
Br2 + 2 NaCrO3 + 4 NaOH = 2 Na2CrO4 + 2 NaBr + 2 H2O
Cd + NH4OH = Cd(NH3)4 + H2O =>
Cd + 4 NH4OH = Cd(NH3)4 + 4 H2O
S(NH4)2 + HCl = NH4Cl + H2S =>
S(NH4)2 + 2 HCl = 2 NH4Cl + H2S
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
CaCO3 + H2O = CaO + H2CO3 =>
CaCO3 + H2O = CaO + H2CO3
Zn2 + FeSO4 = Fe3 + ZnSO4 =>
3 Zn2 + 6 FeSO4 = 2 Fe3 + 6 ZnSO4
AgNO3 + K2Cr2O7 = K2Cr2O3 + AgNO7 =>
AgNO3 + K2Cr2O7 = K2Cr2O3 + AgNO7
K + Se = KSe =>
K + Se = KSe
Si + C = SiC14 =>
Si + 14 C = SiC14
C4H8H2O = C4H10O =>
C4H8H2O = C4H10O
(NH4)2S2O8 + KI = (NH4)I + K2S2O8 =>
(NH4)2S2O8 + 2 KI = 2(NH4)I + K2S2O8
ZnNO3 + NH4Br2 = ZnBr2 + NH4NO3 =>
ZnNO3 + NH4Br2 = ZnBr2 + NH4NO3
Sc2O3 + H2S = Sc2 + S + H2O =>
Sc2O3 + 3 H2S = Sc2 + 3 S + 3 H2O
C8H16O2 + Fe2O3 = Fe3O4 + CO2 + H2O =>
C8H16O2 + 66 Fe2O3 = 44 Fe3O4 + 8 CO2 + 8 H2O
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