The Pressure of a Certain Gas Is Measured to Be

question 72

Multiple Choice

The pressure of a certain gas is measured to be 264.6 mmHg.What is this pressure expressed in units of pascals?​

• A)​3.436 × 10^-6 Pa
• B)​2.91 × 10⁵ Pa
• C)​2.835 × 10^-5 Pa
• D)​2.681 × 10⁷ Pa
• E)​3.528 × 10⁴ Pa

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Definitions:

Gas Exchange

The process by which organisms exchange gases with their environment, including the uptake of oxygen and the release of carbon dioxide.

Periderm

is the protective outer secondary layer of bark in woody plants and trees, comprising the phellem, phellogen, and phelloderm.

Sapwood

The outer, younger part of a tree's trunk or branch that is active in transporting water and minerals from the roots to the leaves.

Secondary Xylem

Plant tissue that transports water and nutrients upwards from the roots; it also provides structural support and is a major component of wood.