A Sample of Carbon Monoxide Gas Was Collected in a 2.0

question 54

Multiple Choice

A sample of carbon monoxide gas was collected in a 2.0 L flask by displacing water at 28°C and 810 mmHg. Calculate the number of CO molecules in the flask. The vapor pressure of water at 28°C is 28.3 mmHg.

• A)5.0 * 10²²
• B)5.2 * 10²²
• C)3.8 * 10²³
• D)5.4 * 10²³
• E)3.8 * 10²⁵

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Definitions:

Thorax

The part of the body between the neck and the abdomen, enclosed by the ribs and containing the heart and lungs.

Hepatic Portal System

System of portal veins that carries blood from the intestines, stomach, spleen, and pancreas to the liver.

Gastric Vein

A vein draining blood from the stomach into the portal vein system.

Inferior Mesenteric Vein

A vein draining blood from the lower part of the large intestine into the portal venous system.