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3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Li2O + N2 = NO2 + Li =>
4 Li2O + N2 = 2 NO2 + 8 Li
Li + S = Li2S =>
2 Li + S = Li2S
CrO2 = Cr2O3 + O2 =>
4 CrO2 = 2 Cr2O3 + O2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
N + O = NO =>
N + O = NO
C6H5COH + KMnO4 + H2O = C6H5COOH + KOH + MnO2 =>
3 C6H5COH + 2 KMnO4 + H2O = 3 C6H5COOH + 2 KOH + 2 MnO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
S4 + O2 = SO =>
S4 + 2 O2 = 4 SO
Li2 + Br = Li2Br2 =>
Li2 + 2 Br = Li2Br2
I2O5 + BrF2 = IF5 + O2 + Br2 =>
2 I2O5 + 10 BrF2 = 4 IF5 + 5 O2 + 5 Br2
CH4 + O2 = CO22 + H2O =>
CH4 + 12 O2 = CO22 + 2 H2O
Na2CO3 + NH4C2H3O2 = (NH4)2CO3 + NaC2H3O2 =>
Na2CO3 + 2 NH4C2H3O2 = (NH4)2CO3 + 2 NaC2H3O2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ti + H2 = TiH4 =>
Ti + 2 H2 = TiH4
C9H11NO3 + O2 = NH3 + CO2 + H2O =>
2 C9H11NO3 + 19 O2 = 2 NH3 + 18 CO2 + 8 H2O
NaHSO4 + Br2 = HBr + NaSO4 =>
2 NaHSO4 + Br2 = 2 HBr + 2 NaSO4
Cu(NO3)2(ac) + Na2S(ac) = CuS(s) + NaNO3(ac) =>
Cu(NO3)2(ac) + Na2S(ac) = CuS(s) + 2 NaNO3(ac)
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + H2O + KCl =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 32 H2O + 54 KCl
C6H10 + HCl = H + C6H9Cl =>
C6H10 + HCl = 2 H + C6H9Cl
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
KCO3 + H3PO4 = K3(PO4)2 + CO2 + H2O =>
3 KCO3 + 2 H3PO4 = K3(PO4)2 + 3 CO2 + 3 H2O
P + Mg = Mg2P2 =>
2 P + 2 Mg = Mg2P2
PO2 + H2O = H3PO4 + H =>
PO2 + 2 H2O = H3PO4 + H
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
KBrNaOH = NaBrKOH =>
KBrNaOH = NaBrKOH
Na2S + Cu(CO2CH3)2 = CuS + C2H3NaO2 =>
Na2S + Cu(CO2CH3)2 = CuS + 2 C2H3NaO2
Fe2O3 + Al3 = Al2O3 + Fe =>
3 Fe2O3 + 2 Al3 = 3 Al2O3 + 6 Fe
BH3 + H2O = B(OH)3 + H2 =>
BH3 + 3 H2O = B(OH)3 + 3 H2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
H2SO4 + Li = (SO4)Li + H =>
H2SO4 + Li = (SO4)Li + 2 H
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
AgNO3 + CaF2 = Ca(NO3)2 + AgF =>
2 AgNO3 + CaF2 = Ca(NO3)2 + 2 AgF
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
N2H2 = HN =>
N2H2 = 2 HN
CuCO3 + H2SO4 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2O + CO2
C2H3NaO2 + H2O = CH3COOH + NaOH =>
C2H3NaO2 + H2O = CH3COOH + NaOH
Pr2O3 + Pd + KOH + O2 = PrKPdO3 + H2O =>
Pr2O3 + 2 Pd + 2 KOH + O2 = 2 PrKPdO3 + H2O
Cl + Ca(OH)2 = CaClO3 + CaCl2 + H2O =>
5 Cl + 3 Ca(OH)2 = CaClO3 + 2 CaCl2 + 3 H2O
P + NaMnO4 + HCl = H3PO4 + MnCl2 + NaCl =>
P + NaMnO4 + 3 HCl = H3PO4 + MnCl2 + NaCl
CrCl2 + CH3COONa*3H2O = Cr2(CH3COO)4*2H2O + NaCl + H2O =>
2 CrCl2 + 4 CH3COONa*3H2O = Cr2(CH3COO)4*2H2O + 4 NaCl + 10 H2O
ZnCl2(aq) + Na2SO4(aq) = ZnSO4(s) + NaCl(aq) =>
ZnCl2(aq) + Na2SO4(aq) = ZnSO4(s) + 2 NaCl(aq)
P2O3(s) + HNO3(aq) + H2O(l) = NO(g) + H3PO4(aq) =>
3 P2O3(s) + 4 HNO3(aq) + 7 H2O(l) = 4 NO(g) + 6 H3PO4(aq)
NaCO3BaOH = BaCO3NaOH =>
NaCO3BaOH = BaCO3NaOH
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
BrH3NCH2COOCH2C6H5 + H2O = H2NCH2COOH + CH3Br + C6H5OH =>
BrH3NCH2COOCH2C6H5 + H2O = H2NCH2COOH + CH3Br + C6H5OH
Al2SO3 + NH4OH = AlOH + (NH4)2SO3 =>
Al2SO3 + 2 NH4OH = 2 AlOH + (NH4)2SO3
I2{-} + C6H8O6 = I{-} + C6H6O6 + H{+} =>
2 I2{-} + C6H8O6 = 4 I{-} + C6H6O6 + 2 H{+}
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