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Consider the structure of a caffeine, shown below. H но I HXH HX 'N N HTH...
H HOH Hy HXH H 'N -H HTH H How many o bonds does the molecule have? How many a bonds does the molecule have?
question 2 and 3 (a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? (b) Give the hybridizations of the following atoms in the structure: (i) Ci) Ob (c) Give approximate values of the following bond angles: (i) O a-C a-O b; (ii) C a-O b-C b (a) Complete the Lewis structure for the molecule below. How many lone pairs are there? но (b) For the structure shown, give the hybridizations of the following...
For a structure shown below: HO НО 21 НО ОН Identify the hybridization of atoms number 1, 2 and 3. LINK TO TEXT How many TT-bonds are there? LINK TO TEXT How many TT-bonds are there? LINK TO TEXT How many electrons are in delocalized TT -orbitals? LINK TO TEXT
Please point out where these are on the molecule and explain why Consider the structure shown. How many sp hybridised carbons does it contain? How many sigma bonds does it contain? How many pi bonds does it contain?
2. 1 (a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? H H H | Ca=Cb Cc-c-H H H (b) Give the hybridizations of the following atoms in the structure: (i) Ca; (ii) Ch (c) Give approximate values of the following bond an gles: (i) C2-C6-Cc; (ii) H-C2-C) 3. (a) Complete the Lewis structure for the molecule below. How many lone pairs are there? H-Ca-N=Cb-S H (b) For the structure shown, give the...
i just need help with 2c and 3c 2. (a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? 3. H-Ca-N-C-H HHH (b) Give the hybridizations of the following atoms in the structure: (i) C. (ii) N- (c) Give approximate values of the following bond angles: (i) H.-C.-N; (ii) C.-N-CD (a) Complete the Lewis structure for the molecule below. How many lone pairs are there? HO H H-Ca-S-CB=C-C-H -N (b) For the structure shown,...
I am struggling with these final three questions. Any help would be greatly appreciated 1. Combustion of a compound formula CxHyOz yields 31.65g H2O and 96.65g CO2 when 77.31g of oxygen are used. If the molar mass of the compound is between 80and 130 g/mol, what is the molecular formula of this compound? 2. The skeletal structure of a compound isolated from fruits of the tree, Vitex agnuscastus, shown below How many hydrogen atoms are in this compound? 3. Complete...
2. (a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? H-C-06-H (b) Give the hybridizations of the following atoms in the structure: (i) C; (ii) Ob (c) Give approximate values of the following bond angles: (i) O -C-Ob; (ii) C-O-H
(a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? po H-ca-C6-09-H (b) Give the hybridizations of the following atoms in the structure: (i) C; (ü) O (c) Give approximate values of the following bond angles: (i) C6-02-H ; (ii) C.-C5-0.
The structure below represents a NH2 N N N N НО. OH A) nucleic acid B) nucleoside. C) glycoside. D) nucleotide. E) riboside. The structural arrangement of DNA is A) -ribose---phosphate-ribose---phosphate — 1 base base B) -ribose -phosphate-ribose-phosphate 1 base base C) -deoxyribose-base-deoxyribose -base- 1 phosphate phosphate D) -deoxyribose---phosphate — deoxyribo se —-phosphate- base base E) — deoxyribose – phosphate-deoxyribose – phosphate — 1 base base The heterocyclic compounds adenine (A) and thymine (T) form base pairs in DNA via...