Given the Abbreviated Table for Selected Standard State Entropy Values

question 101

Multiple Choice

Given the abbreviated table for selected standard state entropy values of each substance in the reaction below, what is the value of the standard change in entropy, D S ° , for the following chemical reaction?
3 H₂ (g) + Fe₂O₃ (s) →2 Fe (s) + 3 H₂O (g) Substance S ° (Jmol ^{- 1}K ^{- 1}) H₂ (g) 130.6 Fe (s) 27.3 Fe₂O₃ (s) 87.4 H₂O (g) 188.7

• A) D S ° = - 32.5 Jmol ^{- 1}K ^{- 1}
• B) D S ° = - 2.0 Jmol ^{- 1}K ^{- 1}
• C) D S ° = 141.5 Jmol ^{- 1}K ^{- 1}
• D) D S ° = 316.3 Jmol ^{- 1}K ^{- 1}
• E) D S ° = 925.1 Jmol ^{- 1}K ^{- 1}

Recognize the uses and handling procedures of different blood collection tubes and their additives.

Understand the physiological responses to blood collection and appropriate responses to patient reactions.

Identify the correct management of blood specimens following collection.

Understand and calculate key financial ratios including liquidity, profitability, and debt management ratios.

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