The Reaction 2 NO(g)+ O₂(g) $\to$ 2 NO₂(g)has the Following Rate Law: Rate = K[O₂][NO]²

question 37

Multiple Choice

The reaction 2 NO(g) + O₂(g) $\to$ 2 NO₂(g) has the following rate law: Rate = k[O₂][NO]².If the concentration of NO is reduced by a factor of two,the rate will __________

• A)double.
• B)quadruple.
• C)decrease by a factor of one-fourth.
• D)decrease by a factor of one-half.
• E)remain the same.

---

Definitions:

Organic Polymers

Large molecules composed of repeated subunits (monomers) that are typically carbon-based, like proteins, nucleic acids, and plastics.

Silt

Fine particles of rock and soil that are smaller than sand and larger than clay, often found on riverbeds and fertile agricultural lands.

Sand

Fine particles of rock and mineral matter, typically found on beaches, deserts, and riverbeds.

Paleozoic Era

That part of geologic time extending from roughly 541 million to 252 million years ago; divided into six periods: Cambrian (appearance of many new animal groups, the Cambrian radiation or Cambrian explosion); Ordovician (diversification of sea life); Silurian (appearance of jawed fishes, terrestrial plants, and air-breathing animals); Devonian (appearance of sharks and bony fishes); Carboniferous (great.