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What is the chemical formula of alkyl benzene?
The general chemical formula for alkylbenzene is C6H5-CnH2n+1, where n represents the number of carbon atoms in the alkyl chain attached to the benzene ring.
What amino acid has a phenyl group as its R group?
The R-group in the phenylalanine amino acid is: CH2-benzene ring
What does R in circle mean on sterling silver jewelry?
The "R in a circle" mark on sterling silver jewelry signifies that it was made by the company Reed and Barton. This mark indicates the manufacturer or silversmith responsible for producing the piece.
What are the structural formula for alcohols?
The structural formula for alcohols is R-OH, where R represents an alkyl group. Alcohols contain a hydroxyl (-OH) group attached to a carbon atom of an alkyl group. The specific structure will vary depending on the alkyl group attached to the hydroxyl group.
What refrigerants is not composed of CFC's R 11 R 22 R 12 R 113?
All of them are CFCs: R-11 (trichlorofluoromethane) R-12 (dichlorofluoromethane) R-22 chlorodifluoromethane) R-113 (trichlorotrifluoroethane) Non-CFC refrigerants include R-32 (difluoromethane), R-125 (pentafluoroethane), R-134a (tetrafluoroethane), R-410a (difluoromethane and pentafluoroethane)
What does R cz 925 china mean on bracelet's clasp?
The marking "R cz 925" on a bracelet's clasp indicates that the piece is made of sterling silver, as "925" signifies that the silver content is 92.5%. The "R" often represents the manufacturer or designer's initial or brand mark. The "cz" stands for cubic zirconia, suggesting that the bracelet features synthetic gemstones that mimic the appearance of diamonds.
What does R 925 mean on a ring?
Its a makers mark..Ross Simons has alot of R stamped jewelry
What does R 925 in a ring mean?
925 is found on silver jewelry, and it means 0.925 grams (of silver). The R is meaningless.
WHAT DOES R 925 china mean on a ring?
it means that the ring/bracelet is gold plated sterling silver.
What does a hallmark R mean on a ring?
The "R" is not meaningless. It is the makers mark or hallmark and it can mean a huge difference in value. Unfortunately, I need to know the same thing. minenis marked "Sterling .925 R" and know what everything but the R stands for. what is your piece of jewelry? Please let me know if you find out!
What does the letters r c z mean inside a ring?
What rcz mean inside ring
Why do you get gas when you eat rice?
Cz u r stoopid
What is 925 on jewelry mean?
r answer: Earn +20 pts Q: What is 925 mean on jewelry? Write your answer...
What does R J or A R J stamped into a gold ring mean?
Im not sure, but i have a ring stamped with an ARJ as well. It is a silver ring and i believe there is also a stamping of a face as well.
What does R 925 on the back of a small photo frame mean?
Occasionally you will find older photo frames made of sterling silver. It is possible this frame is silver. The R could be a manufacturer's mark. I would bring it to a jeweler to see if it is silver. 925 usually means sterling, 92.5% pure.
What does glr in a ring mean?
In the context of ring theory, "GL(R)" typically refers to the group of invertible elements in the ring ( R ), often denoted as ( GL(R) ) or ( GL_n(R) ) for the general linear group of ( n \times n ) invertible matrices over the ring ( R ). If "glr" specifically refers to a type of ring or a particular concept, it may not be widely recognized in standard mathematical terminology. Generally, invertibility in a ring means there exists an element such that their product is the multiplicative identity.
What does 925 R mean stamped on ring?
Gold-plated Sterling Silver. Not sure how to tell the carat of the gold, tho.Open in Google Docs ViewerOpen link in new tabOpen link in new windowOpen link in new incognito windowDownload fileCopy link addressEdit PDF File on PDFescape.com
