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Molecular formula

molecular formula --> empirical formula

In chemistry, a formula indicating the kind and number of atoms in the molecules of a substance, or its composition, but not the relation of the atoms to each other or the intimate structure of the molecule.

Synonym: molecular formula.


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Fermentation and Respiration

... by the cells? Even though glucose and galactose have the same molecular formula, the difference between these two sugars is the fourth carbon chain. Glucose has it ...

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by bottleofboos
Tue Feb 24, 2009 10:22 am
 
Forum: Molecular Biology
Topic: Fermentation and Respiration
Replies: 2
Views: 1314

Re: gel electrophoresis & assays help please

... is this data u use to calculate the specific enzyme activity. use the formulas from the trendlines of the specific curves to calculate concentrations ... in c and s 1-8. get the glucose into units by dividing my its molecular mass and convert to seconds from the hour. divide this by the values ...

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by RachBio
Sun Feb 08, 2009 9:26 pm
 
Forum: Molecular Biology
Topic: gel electrophoresis & assays help please
Replies: 6
Views: 869

Re: Another biochemical question

... 1) What's a metal hydroxide? 2) How do you tell, just by looking at the molecular formula, that something is a metal hydroxide? 3) Does the fact that a molecule is a metal hydroxide ...

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by thewax
Wed Dec 24, 2008 7:28 pm
 
Forum: Molecular Biology
Topic: Another biochemical question
Replies: 12
Views: 1016

Another biochemical question

... (e) BaOH" Many lines, again, are skipped so that the reader can formulate his or her answer... This again, is not a homework problem and ... the author of this book wanted the reader to memorize a whole bunch of molecular formulas (or are they structural formulas?). So I thought that ...

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by thewax
Wed Dec 24, 2008 5:41 am
 
Forum: Molecular Biology
Topic: Another biochemical question
Replies: 12
Views: 1016

Re: Chemical structure/formula softwares?

... but I'm not sure. The drawing capabilities of ChemDraw and ChemSketch are similar. Both ACD Labs and CambridgeSoft (makers of ChemOffice) have molecular properties calculators. It is a limited function in the freeware version of ChemSketch. I don't know of any completely free version of these ...

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by blcr11
Sat Mar 22, 2008 1:57 pm
 
Forum: General Discussion
Topic: Chemical structure/formula softwares?
Replies: 9
Views: 1604
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