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4. Find the atoms with high and low electron density for each of the following compounds...
Use resonance structures to identify the areas of high and low electron density in the following compounds: (a) CH3COH (b) CH3CONH2 (c) CH3CNHH (d) CH3COOCH3 (e) CH3OCONH2 (f)NHO (g)CNNH2 (h) OO (i)ONH (j)HCOCH3O
For the folloving equation, how many bydrogen atoms are added or lost? For the following added one added two lost one A. D lost two E no change Which of the following is the correct bond-line structure for (CHs) CHCH-C(CHb? C.lI D.Ⅳ E None of these Which of the following compounds contain an amine functional group? A. I D. E. None of these For the following reaction, which reactant fünctions as a base? D. V E none of the above...
4. The two molecules below each contain multiple central atoms. Determine the electron geometry, molecular geometry and how many electron pairs around each central atom: a) C2Cl2 (Carbons are central atoms) b) S2Cl2 (Sulfurs are central atoms) c)CH3OH (Carbon and Oxygen are central atoms); d)H3COCH3 (Carbons and Oxygen are central atoms);
12. Fluorine atoms tend to..... .when they form chemical compounds with metals. a) lose electrons b) gain electrons (e) neither lose nor gain electrons..they usually share electrons equally with metals. Fluorine atoms do not form compounds with other atoms... .luorine is an inert gas. (d 13. The process in changing a solid to gas A. freezing B. condensation C. sublimation D. Deposition 14. What is the outermost orbital, electron and energy level for C. 7d1 Lu? A. 6D B. 6f4...
a) In the deep space between galaxies, the density of atoms is as low as 106 atoms/m3, and the temperature is a frigid 2.7 K. What is the pressure (in Pa)? (b) What volume (in m3) is occupied by 6 mol of gas? (c) If this volume is a cube, what is the length of its sides in kilometers?
Describe each of the following compounds as being soluble or having low solubility in water. LiCH3COO Fe(CH3COO)3 PCl3 H2SO4 CuCO3
8. Write the electron configuration for each of the following atoms and for the simple ion that the element most commonly forms. In each case, indicate which noble gas has the same electron configuration as the ion. a. sodium, Z=11 b. iodine, Z= 53 c. calcium, Z=20 d. nitrogen, Z-7 e. fluorine, Z= 9
Dietary lipids are composed of: a) Chylomicrons 05 Ob) High density lipoproteins Oc) Low density lipoproteins 108 d) Apoproteins e) a glycerol molecule and fatty acid chains ale and fa Question 92 (1 point) Which of the following hormones supports growth of the male interi
Compounds and Their Formulas Report Sheet Physical properties Compound Appearance Density Melting Point E3 Electron-dot structures Compound Electron-Dot Structure Nam H.0 17:0:-> H:O: - HOO-> HiO:H SBT - Bribris PCI, CBra Questions and Problems Q.2 a. Identify each of the following compounds as ionic or covalent. b. Write the correct formula for each. Ionic/Covalent Formula sodium oxide iron(III) bromide sodium carbonate carbon tetrachloride nitrogen tribromide
Low Stakes 4: Population Density and Distribution 9/27/2020 midnight in blackboard The purpose of this low stakes is to understand how the distribution of people in a country differs from population density. 1) Complete the blank cells in the table and answer the questions that follow. Population distribution computed as the country’s share of total population is country population divided by total population of all countries in this list multiplied by 100. Population density is computed as country population divided by...