(5) Ammonia has a Cav symmetry - how many unshifted atoms are there for each operation?...
37) How many of each type of atoms are there in the formula NH4C2H302? A) N 1,H-7,C 2, O-2 B) N-1, H 4, C-2,0-2 C)N 1, H-3, C 2, O-2 D) N-4, H-7,C-2,O-2 E) none of the above 38) Which subshell letter corresponds to a spherical orbital? A) s B) P C)f D) d E) not enough information 39) An aqueous solution is A) water with another compound dissolved in it. B) any liquid with another compound dissolved in it....
Question 7 1 pts How many equivalent resonance structures can be drawn for NO2F (N is the central atom) where all atoms satisfy the octet rule? 03 0 1 o 4 O 2 Question 8 1 pts A resonance structure of ozone (03) is given blow. What is the formal charge on the central oxygen atom? ö-0–o: O +2 o-2 00 +1 Question 9 1 pts Which of the following is the best Lewis structure for CIF +? : 51:...
A covalent bond is a bond in which electrons are shared between atoms of elements. A covalent bond can be polar or nonpolar. In a nonpolar covalent bond, the bond is between two identical atoms and the electrons are evenly shared between the atoms.In contrast, in a polar covalent bond, the bond is between two nonidentical atoms and the electrons are unevenly shared between the atoms. The uneven sharing of electrons takes place because of the difference in the electronegativity...
A. Enantiomers: Certain substances have the unique property of rotating the plane of plane-polarized light. Such light rotation is detectable with the aid of a polarimeter. In order for a molecule to be optically active it must be chiral. Chiral objects lack a plane of symmetry and are non-superimposable on their mirror images. A sp?- hybridized carbon atom can fulfill these requirements if all four of its substituents are different. 1. Methane a) Prepare a methane molecule and then substitute...
i need help answering these qoustion plz???? Use the short grey sticks for single bonds and the long flexible grey sticks for double and triple bonds. Note: In reality, single bonds are longer than double or triple bonds ) Fill in the table below Molecule # of lone pairs on central atom linear or bent? (Circle one) HO lincar benti SO lincar bent CO. bent lincar HCN bent lincar Question: Based on your answers in the table above and the...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules prevents full rotation of the ring atoms. For this reason, stereoisomerism may also occur in cyclic molecules. a) Prepare a model of cyclohexane, C6H12. Draw the condensed formula. b) Build a model of methylcyclohexane (C7H14) by replacing one of the hydrogens of cyclohexane with a methyl group. Draw the skeletal formula for methylcyclohexane. 2 c) How many different isomers exist for methylcyclohexane (CyH34)? d)...
with others? Oil and water don't mix Gasoline and water also do not mix. However, mbul p ciples of Solubility. Why do some substances mix gasoline and oil do mix. To understand solubility we must look at two important characteristics: geometry and bond polarity ionic, nonpolar and polar). From these two characteristics the overall molecular polarity can be determined. The statement "like dissolves like" provides a good basis for understanding solubility. A substance with similar characteristics will mix with another...
PART 3 For each set of data on pages 5-9, calculate and record the degree of unsaturation. Then use your problem solving skills to determine the chemical structure that is consistent with ALL of the data on each page. You are not required to label the spectra (but feel free to do so). This entire assignment is to be completed independently Suggestion for a general method to determine a chemical structure based on the provided molecular formula, IR, H-NMR and...
(6 pts total: 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) O . CH, HO-C-H H-C-H HẠC-C-CH, CH,SH HNT-CO,H Cysteine Valine Threonine Aspartic Acid An Amino Acid...
please I need help with the data sheet INTRODUCTION The chemical and physical properties of substances are influenced by the way in which valence electrons are distributed and by the three-dimensional shape of the molecule or ion. X- ray and neutron diffraction, infrared, Raman and microwave absorption spectroscopy, as well as dipole moment measurements are used to ascertain the three-dimensional structure of a substance. Thus, techniques are available which can identify the geometry of substances. Results of these measurements generally...