A Certain First-Order Reaction Has a Rate Constant of 2

question 28

Multiple Choice

A certain first-order reaction has a rate constant of 2.75×10 ^{- 2} s ^{- 1} at 20 ° C. What is the value of k at 60 ° C if the energy of activation equals 75.5 kJ/mol?

• A) k = 3.72×10 ^{- 2} s ^{- 1}
• B) k = 0.131 s ^{- 1}
• C) k = 1.14 s ^{- 1}
• D) k = 146 s ^{- 1}
• E) k = 1.51×10³ s ^{- 1}

Identify the different forms of collaboration in supply chain practices.

Identify the basic parts of a microscope and their functions.

Understand the correct handling and transportation of a microscope.

Comprehend the concepts of total magnification, working distance, and field of view.

---

Definitions:

Québec

A province in eastern Canada, known for its predominantly French-speaking population and unique cultural heritage.

Air Mass

A volume of air defined by its temperature and water vapor content that moves across large areas of the Earth's surface.

Surface

The outermost layer or boundary of an object or material which is in direct contact with the surrounding environment.

Hot And Dry

Describes climates or conditions with high temperatures and low precipitation, typical of deserts or arid regions.