The Energy Profiles for Four Different Reactions Are Shown

question 211

Multiple Choice

The energy profiles for four different reactions are shown.Which of the reactions will have the largest rate constant?

• A)a
• B)b
• C)c
• D)d
• E)more information is required

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Definitions:

Atm

A unit of pressure defined as exactly equal to 101,325 Pa, representing atmospheric pressure at sea level.

Temperature

A measure of the thermal energy of an object or substance, indicative of how hot or cold it is, typically measured in degrees Celsius, Fahrenheit, or Kelvin.

Helium Gas

A colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling and melting points are the lowest among the elements.

Atm

A unit of pressure; standard atmosphere, approximately equal to the Earth's atmospheric pressure at sea level (101.325 kPa).