A Student Adds 0

question 89

Multiple Choice

A student adds 0.1 mol of oxalic acid and 0.1 mol of sodium dihydrogen phosphate to enough water to make 1.0 L of solution. The following equilibrium is established with the concentrations of the products greater than the concentrations of the reactants. Which of the statements about the equilibrium system is correct? H₂C₂O₄(aq) + H₂PO₄(aq) ⇄ HC₂O₄(aq) + H₃PO₄(aq)

• A)Oxalic acid is a weaker acid than phosphoric acid.
• B)The hydrogen oxalate anion, HC ₂O ₄, is a stronger base than the dihydrogen phosphate anion, H ₂PO ₄.
• C)Phosphoric acid is a weaker acid than oxalic acid.
• D)The dihydrogen phosphate anion, H ₂PO ₄ ⁻, is a stronger acid than oxalic acid.
• E)Water is a stronger acid than either oxalic or phosphoric acids.

Distinguish between corporate philanthropy and corporate social responsibility (CSR).

Analyze the increasing prevalence of PR in emerging and developing countries and the reasons behind it.

Identify the role and importance of gatekeepers within the public relations context.

Recognize the tasks involved in the employee communications area of public relations.

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Definitions:

Cumulative Effects

The overall impact that results when multiple factors or events accumulate over time, often seen in environmental, health, or social contexts.

Mental Health

A state of well-being in which an individual realizes their own abilities, can cope with the normal stresses of life, can work productively, and is able to contribute to their community.

Acute Stressor

A sudden and intense event or situation that triggers stress.

Presentation

The act of presenting information or ideas to an audience using various formats, such as speech or slides.