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When 52 grams of styrene was polymerized average degree of polmerization was found to be 1.510calculate the number of styrene molecules in the original sample?
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∙ 10y ago
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∙ 10y ago
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Can polyethylene terephthalate react with alcohol?
It depends on the type of alcohol in question. Part of the recycling process involves reacting PE with ethylene glycol in order to retrieve the original monomers that can be re-polymerized into new plastic. Though not as widely used anymore, there is a similar reaction that uses methanol instead of ethylene glycol to isolate the dimethyl terephthalate monomer. So in short, yes alcohols can react with PE but it is usually not at STP.
Do atoms change during a physical change?
Nope. All that happens in chemical reactions is that atoms are rearranged into new molecules or compounds. You can't destroy atoms in a chemical reaction so whatever you begin with is what you end up with.
Does citric acid expire?
It doesnt really expire. It's original form is anhydrous, meaning no water molecules. Over time, it becomes monohydrate (plus 1 molecule of water) upon reaction with air.
Is the reverse reaction a condensation reaction or hydrolysis?
This is the addition of water to a substance. The water molecules break bonds in the original substance, therefore forming simpler substances.
How hexane get grease out of cloth?
Hexanes will dissolve the large, non-volatile greasy molecules which form the stain (hexanes are non-polar, i.e. oily, and the oily molecules from the stain will dissolve in it, something they will not do well in water--hence the difficulty in getting them out of clothing). Once the grease stain is dissolved, and washed away in the hexane, any hexane molecules left in the clothing will evaporate, and will thus not stain the cloths themselves (if they were not light enough to evaporate they would be just as difficult to get out as the original stain).
What are the products from the original two pyruvate molecules?
orange juice
What are sugar molecules an original source of food for?
Food source
What is sheldon cooper's version of I am rubber You're glue?
I'm polymerized tree sap and you're an inorganic adhesive so whatever verbal projectile you launch in my direction is reflected off of me, returns to it's original trajectory and adheres to you.
Why are cracking large hydrocarbon molecules more useful than the original large molecules?
There is more demand for smaller molecules because they can make up more fuels and plastics. There is less demand for the larger molecules.
When DNA is duplicated during mitosis?
two molecules are formed, each with the original "upright"
At the end of glycolysis the original carbons of the glucose molecule form?
two molecules of pyruvate
Sugar molecules are the original source of food for what or any animal that eats plant or other animals?
consumer
How is DNA copied semi-conservative replication?
The original DNA molecule is the template for the new DNA molecules.
How is DNA copied in semi conservation replication?
The original DNA molecule is the template for the new DNA molecules.
How DNA copied in semi-conservative replication?
The original DNA molecule is the template for the new DNA molecules.
Eating a sweet potato provides energy for human metabolic processes The original source of this energy is the energy?
made available by photosynthesis
The exactness of the duplication process in DNA?
It can be assures that new DNA molecules will be identical to the original ones. BY:MARIA J<3
