The Value of Δ_fG° at 141

question 46

Multiple Choice

The value of Δ_fG° at 141.0 °C for the formation of phosphorus trichloride from its constituent elements, P₂(g) + 3Cl₂(g) → 2PCl₃(g)
Is __________ kJ mol^-1. At 25.0 °C for this reaction, Δ_fH° is -720.5 kJ mol^-1 and Δ_fS° is -263.7 J K^-1 mol^-1.

• A)-611.3
• B)3.65 × 10⁴
• C)1.08 × 10⁵
• D)-683.3
• E)-829.7

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Definitions:

Correlation Coefficient

A statistical index of the relationship between two things (from -1.00 to +1.00).

Intelligence

The ability to acquire and apply knowledge and skills, encompassing problem-solving, learning from experience, and adapting to new situations.

Creativity

The ability to generate or recognize ideas, alternatives, or possibilities that may be useful in solving problems, communicating with others, and entertaining ourselves and others.

Correlational Research

A method of research study used to look for and measure the degree of relationship between two or more variables or sets of data.