The Following Questions Refer to the Reaction 2A₂ + B₂

question 48

Multiple Choice

The following questions refer to the reaction 2A₂ + B₂ → 2C. The mechanism below has been proposed:
-The activation energy for the reaction H₂(g) + I₂(g) → 2HI(g) is changed from 184 kJ/mol to 59.0 kJ/mol at 600. K by the introduction of a Pt catalyst. Calculate the value of the ratio rate(catalyzed) /rate(uncatalyzed) .

• A) 1.00
• B) 0.321
• C) 1.38
• D) 7.62 × 10¹⁰
• E) none of these

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Definitions:

Risk

The exposure to the chance of loss or adverse outcomes in decision-making and financial investments, varying in likelihood and potential impact.

Uncertainty

The lack of certainty or predictability in the outcome of an event, often affecting decision-making and financial projections.

Rate of Return

The gain or loss on an investment over a specified period, expressed as a percentage of the investment's initial cost.

Transactional Approach

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