A Particular First-Order Reaction Has a Rate Constant of 1

question 107

Multiple Choice

A particular first-order reaction has a rate constant of 1.35 × 10²s^-1 at 25.0°C. What is the magnitude of k at 95.0°C if E_a = 55.5 kJ/mol?

• A)9.56 × 10³
• B)2.85 × 10⁴
• C)576
• D)4.33 × 10⁸⁷
• E)1.36 × 10²

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Definitions:

Covalent Bond

A chemical bond formed by the sharing of one or more pairs of valence electrons between atoms to achieve noble gas configuration.

Electrons

Subatomic particles with a negative charge, found orbiting the nucleus of an atom.

Valence

The combining capacity of an atom or element, determined by the number of electrons that it can lose, add, or share when it reacts with other atoms.

Electron

A subatomic particle with a negative electric charge, found in all atoms and acting as the primary carrier of electricity in solids.