A Proposed Mechanism for the Reduction of Nitrogen as NO $\rightarrow$

question 91

Multiple Choice

A proposed mechanism for the reduction of nitrogen as NO by hydrogen is:
Step 1: H₂(g) + 2 NO(g) $\rightarrow$ N₂O(g) + H₂O(g) (slow)
Step 2: N₂O(g) + H₂(g) $\rightarrow$ N₂(g) +H₂O(g) (fast) What is the rate law for step 2?

• A)k[H₂][N₂O]
• B)k[H₂][NO]²[N₂O]
• C)k[H₂]²[N₂O]
• D)k[H₂]²[NO]²
• E)More information is needed.

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Definitions:

Deuterostomes

Animals characterized by the development of the anus from the first opening in the embryo, with humans and starfish as examples.

Metazoan

A multicellular organism of the kingdom Animalia, characterized by complex structures and systems that perform specific functions.

Animal

refers to a multicellular, eukaryotic organism that is typically mobile, responsive to its environment, and sustains itself by consuming organic matter.

Sponge

Simple aquatic animals with porous bodies through which water can circulate, belonging to the phylum Porifera.