Cyclopropane Is Converted to Propene in a First-Order Process

question 6

Multiple Choice

Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 × 10^-2 hr^-1. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours?

• A) 0.0457 M
• B) 0.105 M
• C) 0.127 M
• D) 0.492 M
• E) none of the above

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Definitions:

tRNA Triplet

A sequence of three nucleotides in transfer RNA that is complementary to a specific messenger RNA codon during protein synthesis.

mRNA

Messenger RNA, a form of RNA that transfers genetic instructions from DNA to the ribosome for protein synthesis.

Codon

A sequence of three nucleotides in mRNA that specifies a particular amino acid or termination signal during protein synthesis.

Amino Acid

Organic molecules that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.