Acids and Bases: Concepts and Properties

Which property is characteristic of bases according to the information provided?

According to the Arrhenius theory, what defines an acid?

Which statement accurately describes a Bronsted-Lowry base?

In the reaction $NH_3(g) + H_2O(l) \rightleftharpoons NH_4^+(aq) + OH^-(aq)$, what constitutes a conjugate pair?

Which of the following substances is classified as amphoteric?

Given the reaction $HF + H_2O \rightleftharpoons H_3O^+ + F^-$, what is the conjugate base?

What distinguishes a strong acid from a weak acid?

If a solution has a pH of 3, what can be inferred about the concentrations of $H^+$ and $OH^-$?

What is the pH of a neutral solution at standard conditions?

Which of the following pH values indicates the strongest base?

Which type of reaction is characterized by the release of heat into the surroundings?

In a potential energy diagram, what does the difference between the potential energy of the reactants and the products represent?

What is activation energy?

For the reaction $N_2(g) + O_2(g) \rightarrow 2NO(g)$ with $\Delta H = 180 \text{kJ}$, which statement is correct?

Which of these indicates an exothermic reaction using Table I?

What characterizes a system at dynamic equilibrium?

Under what conditions can equilibrium occur?

Which is an example of physical equilibrium?

According to Le Chatelier's Principle, what happens to a system at equilibrium when the concentration of reactants is increased?

In the reaction $N_2 + 3H_2 \rightleftharpoons 2NH_3 + \text{Heat}$ ($\Delta H = -91.8 \text{kJ}$), what happens when the temperature is increased?

For the equilibrium $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$, how does increasing the pressure affect the equilibrium?

In the reaction $COCl_2(g) \rightleftharpoons CO(g) + Cl_2(g)$, what happens to the equilibrium if the pressure is decreased?

What effect does adding a catalyst have on a reversible reaction at equilibrium?

Which of the following is a property of acids?

What type of reaction is saponification?

In the reaction $H_2SO_4 + OH^- \rightleftharpoons HSO_4^- + H_2O$, which is the conjugate base?

Which of the following reactions could represent an amphoteric substance acting as a base?

Which of the following equations represents a strong acid dissolving in water?

What is the relationship between $[H^+]$ and $[OH^-]$ in an acidic solution?

Which value of $[H^+]$ corresponds to a basic solution?

Which value of $\Delta H$ indicates an endothermic reaction?

For the reaction $C(s) + O_2(g) \rightarrow CO_2(g)$, what can be said about the potential energy of the reactants compared to the products?

On a potential energy diagram, what does the peak of the curve represent?

What type of equilibrium is represented by the reaction $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$?

According to Le Chatelier's Principle, which change would favor the reverse reaction in the equilibrium $H_2(g) + I_2(g) + \text{Heat} \rightleftharpoons 2HI(g)$?

For the reaction $N_2O_4(g) \rightleftharpoons 2NO_2(g)$, what happens to the equilibrium position if the pressure is increased?

How does a catalyst affect a reaction at equilibrium regarding the rates of forward and reverse reactions?