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www.reference.com/article/definition-co2-ec0ff8963300ce6e

CO2 is the chemical formula for carbon dioxide, which contains one atom of carbon and two atoms of oxygen. It is a heavy, odorless gas formed during respiration and by the decomposition of organic substances. Plants absorb carbon dioxide from the air during the process known as photosynthesis.

www.reference.com/article/co2-mean-cd8a14af458e6869

CO2 is the molecular formula for carbon dioxide. Each molecule of carbon dioxide has one atom of carbon and two atoms of oxygen. Animals expel carbon dioxide when they breathe.

www.reference.com/world-view/symptoms-high-co2-levels-ff679a7eba6c3232

Some symptoms of high levels of carbon dioxide in the blood are drowsiness, inability to concentrate and headache, according to About.com. In more severe cases of high carbon dioxide, also known as hypercapnia, symptoms include flushed skin, dizziness, muscle twitches, increased blood pressure and r

www.reference.com/article/causes-high-co2-levels-blood-2d640b4750c96c98

Dehydration and overuse of antacids are among the conditions that cause high carbon dioxide levels in the blood, according to WebMD. High CO2 levels are also caused by vomiting, anorexia, chronic obstructive pulmonary disease, heart disease and pulmonary edema. Conn's syndrome and Cushing's disease

www.reference.com/world-view/high-co2-levels-blood-mean-6e97f4e5cd329414

High CO2 levels in the blood mean that the body may be experiencing respiratory or metabolic acidosis, conditions in which the blood’s pH level is excessively acidic. High levels of CO2 develop in the blood if the lungs or kidneys are unable remove excess CO2 from the body, states Healthline.

www.reference.com/article/co2-polar-b813623db90e5934

Carbon dioxide, or CO2, is a nonpolar molecule. The molecule has a linear geometry due to the molecular arrangement of the compound. It is arranged with a central carbon molecule and two oxygen atoms surrounding the carbon atom.

www.reference.com/article/partial-pressure-co2-1cefdb1dd4b257ed

The partial pressure of CO2 in Earth's atmosphere is 0.3 millimeters of mercury. Partial pressures depend upon the particular mixtures of gases involved. Inside human blood vessels, the partial pressure of CO2 or carbon dioxide is much higher because the mixture of gases inside human blood is differ

www.reference.com/world-view/symptoms-co2-retention-adf5f6165b1fac0a

Some symptoms of carbon dioxide retention are fainting, skin that appears bluish, shortness of breath, confusion and an elevated heart rate. The medical term for an elevated level of carbon dioxide in the blood is hypercapnia, reports Congenital Muscular Dystrophy. There can be many causes associate

www.reference.com/science/co2-heavier-air-b69c3fe7a671fbad

Carbon dioxide, also known by the chemical formula CO2, has a higher density than the other gases found in air, which makes CO2 heavier than air. Air is composed of approximately 78 percent nitrogen, 21 percent oxygen, and less than 1 percent of other gases.

www.reference.com/article/lewis-structure-co2-ad4f45625f9e4bce

The Lewis structure of CO2 consists of the symbol for carbon, C, connected to two oxygen symbols surrounded by four dots each. The connections are both made with two parallel lines. Each chemical symbol represents one atom.