The Rate Constant for the Decomposition of Cyclobutane Is 2

question 3

Multiple Choice

The rate constant for the decomposition of cyclobutane is 2.08 × 10−² s−¹ at high temperatures. C₄H₈(g) → 2C₂H₄(g)
How many seconds are required for an initial concentration of 0.100 M C₄H₈(g) to decrease to 0.0450 M?

• A) 0.00114 s
• B) 1.07 s
• C) 2.64 s
• D) 38.4 s
• E) 874 s

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Definitions:

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Heuristic

A problem-solving approach that employs a practical method or various shortcuts to produce solutions that may not be perfect but are sufficient for the immediate goals.

Decisive

Having the power or quality of settling an issue or producing a definite result.

Absolute Pitch

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