Which One of the Following Reactions Will Occur Spontaneously at Standard-State

question 90

Multiple Choice

Which one of the following reactions will occur spontaneously at standard-state conditions and 25°C?

• A)Mg²⁺ + Ca \(\to\)Mg + Ca²⁺
• B)Au + 3K⁺\(\to\) Au³⁺ + 3K
• C)2Al³⁺ + 3Fe \(\to\) 2Al + 3Fe²⁺
• D)Cu + 2H⁺ \(\to\) Cu²⁺ + H₂

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Definitions:

Chi-Square Statistic

A measure used in statistics to evaluate the goodness of fit between observed values and those expected theoretically.

Confidence Interval

A span of numbers, obtained from statistics of a sample, expected to encompass the value of an unspecified population metric.

Mean Difference

The average difference between two sets of numerical data, often used in statistical analysis to determine the significance of results.

PHStat

An Excel add-in designed to perform statistical analysis specifically tailored to the needs of business and economics students and practitioners.