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