The First Order Reaction a → Products Has T1/2 =

question 67

Multiple Choice

The first order reaction A → products has t1/2 = 150 sec. What percent of the sample remains unreacted after 300 sec?

• A) 25%
• B) 50%
• C) 12.5%
• D) 0.0%
• E) 100%

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Definitions:

Rent-Seeking

The practice of gaining economic benefits through manipulation or exploitation of the political environment rather than through traditional economic competition.

Antitrust Exemption

Legal provisions that allow certain industries or companies to avoid full compliance with antitrust laws, often justified by arguments of national interest or market efficiency.

Voting Paradox

A situation in collective decision-making where individual preferences do not result in a consistent collective order of preferences, showing the complexity of social choice.

Impossibility Theorem

A theory stating that no rank-order voting system can meet certain desirable criteria, famously outlined by Kenneth Arrow.