Balance the chemical equation:  N2O5(g) + BaO(s) -----> ?

Consider the following reaction: 4PC13(g) P4(g) + 6C12(g) If the initial concentration of PC13(g) is 1.5 mol/L, and "x" is the equilibrium concentration of Pa(g), what is the correct equilibrium relation а. Кс-бх7 O b. Kc=6x7/(1.0-4x)4 O c. Kc=(x)(6x)6/(1.0-4x)4 O d. Kc=(x)(6x)°/(1.5-4x)4 O e. Kc=x'/(1.0-x)4

Give the relative rates of disappearance of the reactants and formation of products for each of the following reactions: N2 (g) + 3 H2 (g) - 2 NH3 (g)

Give the formula of the conjugate base of H2PO4–.

What is the molar hydronium ion concentration in solutions with each of the following pH values? (a) 1.0 [H3O+] =  M (b) 5.0 [H3O+] =  M (c) 9.0 [H3O+] =  M (d) 12.0 [H3O+] =  M With the help of table below, arrange the following 0.2 M aqueous solutions in order of increasing pH: Name Formula Ka Percent Ionization Hydrofluoric acid HF 6.8×10-4 2.6 Nitrous acid HNO2 4.5×10-4 2.1 HF, HNO3, HNO2, KOH HNO3, HF, HNO2, KOH HNO3, HNO2, HF, KOH KOH, HNO3, HF, HNO2   Classify each of the following salts as a "strong acid-strong base salt," a "strong acid–weak base salt," a "weak acid–strong base salt," or a "weak acid–weak base salt."KNO2 weak acid-strong base salt strong acid-strong base salt strong acid-weak base salt weak acid-weak base salt   b KC2H3O2 weak acid-strong base salt strong acid-strong base salt strong acid-weak base salt weak acid-weak base salt   c NH4NO3 weak acid-strong base salt strong acid-strong…