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what is meant by
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Asked 3/10/2010 8:22:41 AM
Updated 9/25/2021 3:23:17 AM
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User: what is meant by





Weegy: meant by what?
Expert answered|MILKBREath|Points 1340|

User: what is the difference between hydrocarbons and carbohydrates?

Weegy: Hydrocarbons contain and store a lot of energy in their bonds, and are thus good fuel molecules (gasoline, for example contains a lot of hydrocarbons). [ However, they are strongly hydrophobic (they 'hate' water), so it is very difficult for living cells and organisms to manipulate and use pure hydrocarbons. About the only use for nearly pure hydrocarbons is wax, which is so strongly hydrophobic that it is used as a waterproofing material. The carbohydrates are a large, very widely distributed class of compounds found in almost all animals and plants. They are so named because of their basic chemical composition, which is usually some variation on the general formula CH2O. The smallest molecule to be generally considered a carbohydrate is glyceraldehyde, with only three carbon atoms in a short chain. Larger, single, molecules can have up to seven carbon atoms in a chain, but the most common members of this class have 5, or 6 carbon atoms in their structure. The largest molecules are huge polymers of smaller carbohydrate units. The carbohydrate class can be subdivided into three smaller groups, monosaccharides ('single sugars'), Oligosaccharides (two and three sugars joined together), and Polysaccharides (polymers of many sugars in long chains). ]
Expert answered|MILKBREath|Points 1340|



User: what is the exact definition of alkenes?

Question|Rated good
Asked 3/10/2010 8:22:41 AM
Updated 9/25/2021 3:23:17 AM
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Alkenes are simply hydrocarbons which consist of carbon and hydrogen as their immediate constituent, with two hydrogen atoms for every carbon atom.
Added 9/25/2021 3:23:17 AM
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Questions asked by the same visitor
What is the exact definition of alkenes?
Question
Updated 6/17/2016 1:49:27 AM
1 Answer/Comment
Alkenes are organic compounds that consist of carbon and hydrogen atoms with one or more carbon-carbon double bonds in their chemical structure.
Added 6/16/2016 10:42:47 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [6/17/2016 1:49:38 AM]
What is exact definition of alkenes?
Question
Updated 12/8/2018 9:45:57 AM
1 Answer/Comment
An alkene is an unsaturated hydrocarbon that contains at least one carbon–carbon double bond.
Added 12/8/2018 9:30:40 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [12/8/2018 9:46:02 AM]
what is the exact definition of alkynes?
Weegy: Alkynes are hydrocarbons that have a triple bond between two carbon atoms, with the formula CnH2n-2. (More)
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Expert Answered
Updated 2/16/2018 9:30:38 AM
1 Answer/Comment
In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.
Added 2/16/2018 9:30:37 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [2/16/2018 11:09:21 AM]
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