Calculate $\Delta$ S_surr° at 298 K for the Reaction H₂(g)+ F₂(g) $\rightarrow$

question 70

Multiple Choice

Calculate $\Delta$ S_surr° at 298 K for the reaction H₂(g) + F₂(g) $\rightarrow$ 2HF(g)
$\Delta$ H_r° = -546 kJ.mol^-1, $\Delta$ S_r° = +14.1 J.K^-1.mol^-1

• A)+14.1 J.K^-1.mol^-1
• B)+1820 J.K^-1.mol^-1
• C)+1830 J.K^-1.mol^-1
• D)(-1830 J.K^-1.mol^-1 )
• E)(-14.1 J.K^-1.mol^-1 )

Understand the principles of the immune system's responses, including the difference between primary and secondary immune responses.

Comprehend the mechanism and importance of vaccination in establishing immunity.

Recognize different types of immunity and their specific roles within the immune system.

Identify factors that can suppress or enhance the immune system.

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Definitions:

Contingency Table

A table used in statistics to display the frequency distribution of variables, showing the observed number of cases in each category.

Nominal Data

Data categorized without a natural order or ranking among the categories, such as gender or race.

Squared Difference

The result of squaring the difference between two values, often used in statistical calculations like variance.

Proportions

A statistical measure that reflects the fraction of the total number of items in a particular category.