Hello, I am having some problems figuring out the structure of the alpha amino acid Histidine. I have five different sources that show either one of two...
... It *might* be easier if you consider either of the ionic forms, made (formally, anyway) by either protonating the doubly bonded nitrogen, or deprotonating...
Hi Mike and Stephan, Neither one of you said anything about the number of electrons in the pi ring. If you count, you will notice that there are 6 electrons in...
Dear all, I am Prasanna Ramani, doing Ph.D in University of milan, jus a small mail to say hi and enquire u all. keep sending intreesting informations to me. ...
Hello. My name is Juanjo Serrano and I studied Chemistry in Universidad de Valencia (Spain). I created two groups about Chemistry (one in YAHOO! and the other...
can anybody suggest that how to synthesise isoquinoline, give me different routes for the preparation of isoquinoline derivatives ALWAYS SMILY BABU ... Do you...
hello all. my name is andy, and im doing my second degree at the university of plymouth, uk. im in the process of doing a diels alder reaction using ...
Hi everyone I am new to the group,tho i see that everyone here has some kid of a degree, i am a student, and i wanted some reponses as to the answer of this...
... First: Do you know what the product of the acid hydrolysis is? This is an interesting (IR & NMR solved)puzzle if you want to tackle it that way before the...
hello friends, first of all thanks for joining me in ur group and i am also a chemistry student i have a little bit douts and i will clarify from the group.....
hai santhosh.where are u from? i am psnreddy from osmania.give details bye santosh reddy <santosh_1438@...> wrote: hello friends, first of all thanks for...
What do women tell if their partner take Generic Viagra: "My sexual life became more vivid because my lover could keep erection much longer than usual", "..my...
Hello friends, If you have time for it, I invite you to visit in my website the relative pages to the spherical structure of the amino acids and nucleotides. ...
Hey all, I'm looking for any info on ionic liquid-crystal structure as this is my dissertation project! If anybody has any names or authors of relevant papers...
Hi everyone; I´m the newest member in the group (till now). My name is Mack and I live in Rio de Janeiro - Brazil. I´m a chemist and work with instrumental...
Hi, We know the shape of SO2 to be bent. Since each of the bonds is polar, the bent shape will allow a polar molecule. Since the shape of n-pentane is a long...
To All in the Group, The answer to the neopentane/so2 question that was posted is absolutely ridiculous. As octanediol pointed out, neopentane is nonpolar. I...
I think that you should be more aware of what a polar bond is. A polar bond is formed between two different atoms. The strength of the polarization is...
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