What was A: Solution : Neutralization is when an acid reacts with the base to form a salt and neutralized Using the procedure described in this module, a student determined the percent KHP in an impure s When a thermochemical Q: Hi, it's one question but it has 2 parts.
Please write clearly. Thank you!! A: Since you have asked multiple question, we will solve the first question for you. If you want any sp A: Catalyst is a compound that alters the rate of reaction to convert the reactant into the product wit Q: Which of the following oxides does not produce an acidic solution when dissolved in water? A SO3 B A: Acidic oxides: Acidic oxides when combine with water to form acidic solutions Generally non metal Q: How many electrons are in the highest energy sublevel subshell of a sulfide ion?
A: electronic configuration : Distribution of electrons in atomic orbitals Subshell contains one or mo Q: Omit states of matter. A: Lewis Acid is electron acceptor And Lewis base is electron donor. Q: How many resonance structures are shown in the Lewis diagram for TeO2? Q: Calculate the pH of a solution with a concentration of 2.
Q: Define the terms theoretical yield, actual yield, and percent yield? A: Theoretical yield is defined as the yield which is the maximum yield of products, which is synthesiz Q: How many unpaired electrons are present in an atom with 32 electrons? A: Unpaired electron means electron that is not paired in the orbital. Q: Answer the questions on the reaction between permanganate and tin.
Note: The equation not balanced. A: Electrochemical cell usually converts chemical electrical energy into chemical energy by using chemi Q: Was wondering if someone can help me with this organic chemistry question A: The given reaction follows the unimolecular nucleophilic substitution reaction.
The reaction proceed Q: Question 16 Identify the reagents you would use in order to synthesize the compound below via a Witt Q: Q: Pyrite, also known as fool's gold, is composed of iron disulfide, FeS2. It is used commercially to p Q: describe the safety precautions you must take when removing the flask from the boiling-water bath.
A: The safety precautions that one should take are:. Q: How many energy sublevels subshells are in the fourth principal energy level? A substance containing a glycosidic bond is a glycoside. The hemiacetal group of carbohydrates which contains the anomeric carbon is reactive, and glycosidic bonds form readily in the presence of acid.
This is a condensation reaction as one molecule of water is released. Glycosidic bonds are fairly stable; they can be broken chemically by strong aqueous acids.
A glycosidic functional group is an example of an acetal. Saccharides in aqueous solution can exist in linear rare or cyclic form more common , and these forms readily interconvert. Only the cyclic forms have an anomeric carbon and can form a glycosidic bond; once the bond has formed, the saccharide unit can no longer attain the linear form.
A glycosidic bond can join two monosaccharide molecules to form a disaccharide , as for instance in the linkage of glucose and fructose to create sucrose. More complicated polysaccharides such as starch , glycogen , cellulose or chitin consist of numerous monosaccharide units joined by glycosidic bonds. While the cyclic structures of monosaccharide units are fairly rigid, the glycosidic bonds confer flexibility to polysaccharide molecules.
Glycosidic bonds join monosaccharides to form polysaccharides, just like peptide bonds join amino acids to form proteins.
In analogy, one also considers S-glycosidic bonds , where the anomeric carbon of a sugar is bound to some other group via a sulfur rather than an oxygen atom, and N-glycosidic bonds , where the anomeric carbon is bound to some other group via a nitrogen atom.
The glycosidic bonds discussed earlier are often called O-glycosidic bonds to distinguish them from S- and N-glycosidic bonds. Substances containing N-glycosidic bonds are also known as glycosylamines ; the term "N-glycoside" is considered a misnomer by IUPAC and is discouraged. The alpha and beta designation is reversed for L-sugars with an opposing configuration designated beta and the same configuration designated alpha.
In a 1,4-glycosidic bond a C1-O-C4 bond is made involving the C1 of one sugar molecule and C4 of the other; likewise a C1-O-C6 bond is called a 1,6-glycosidic bond. Important examples in biochemistry include DNA or RNA , where deoxyribose or ribose sugar units are joined to nucleobases via N-glycosidic bonds. The polysaccharides often used for energy storage were already mentioned above.
Organisms also often form glycoproteins by attaching sugars to proteins via O- or N-glycosidic bonds in a process known as glycosylation. Animals and pharmacists often join substances to glucuronic acid via glycosidic bonds in order to increase their water solubility ; this is known as glucuronidation. Many other glycosides have important physiological functions. Enzymes that form or break glycosidic bonds i. Before monosaccharide units are incorporated into glycoproteins, polysaccharides or lipids in living organisms, they are typically first "activated" by being joined via a glycosidic bond to the phosphate group of a nucleotide such as uridine diphosphate UDP , guanosine diphosphate GDP , thymidine diphosphate TDP , or cytosine monophosphate CMP.
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