Chemistry concepts and calculations

41. Which of the following should you do to adjust the amount of space between l

41. Which of the following should you do to adjust the amount of space between lines of text in a document?: * a. Highlight the text of interest, right click, and select Paragraph…

41.At 1024°C, the pressure of oxygen gas from the decomposition of copper(II) ox

41.At 1024°C, the pressure of oxygen gas from the decomposition of copper(II) oxide (CuO) is 0.490 atm: 4CuO(s) 2Cu2O(s) + O2(g) (a) What is KP for reaction? (b) Calculate the fra…

410 Homework Ch06 17 wer: At a tim e when the population of the U.S. was about 2

410 Homework Ch06 17 wer: At a tim e when the population of the U.S. was about 260 mill 17) Po electrical energy in the U.S. was about 1.0x10 joules per ve dectrical energy ta vra…

410.0 gallons of 15 M nitric acid were added to a lake. The initial pH of the la

410.0 gallons of 15 M nitric acid were added to a lake. The initial pH of the lake was 5.70 and the final initial pH was 4.10. If none of the acid was consumed in chemical reactio…

411: You are given a file named phonedir that consists of many lines containing

411: You are given a file named phonedir that consists of many lines containing three strings :            lastname firstname emailaddress. Write a utility program that reads comm…

412.272+0.00031+0.000024-1.00797+12.8 Correct number of significant figures? Why

412.272+0.00031+0.000024-1.00797+12.8 Correct number of significant figures? Why is the answer 424.1 ? Shouldn't it be 424 since the lowest number of significant figures is 3 ( be…

418 CHAPTER 7 ADVANCED MICROSCALE ORGANIC LABORATORY E 7-36. In this In this exp

418 CHAPTER 7 ADVANCED MICROSCALE ORGANIC LABORATORY E 7-36. In this In this experiment, the protons at both the ? and a' positions relative to the ton from the y position results…

42 Atoms of the nonmetallic elements generally form ions by a) gaining electrons

42 Atoms of the nonmetallic elements generally form ions by a) gaining electrons, forming positive ions. b) gaining electrons, forming negative ions. c) losing electrons, forming …

42) A chemist wanted to determine the concentration of a solution of lactic acid

42) A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.51. What was the concentration of the soluti…

42) Chlorine and bromine have very fact that both elements: A) are gases. B) are

42) Chlorine and bromine have very fact that both elements: A) are gases. B) are in period 3 of the Periodic Table. C) have the same number of valence elecrrons D) have equal numb…

42) Electron transport chain occurs in the inner mitochondrial membrane of human

42) Electron transport chain occurs in the inner mitochondrial membrane of human cells and (my answer B) A) The 6 NADH + 6H + will later yield a maximum of 60 ATP molecules B) The…

42) How much energy is required to vaporize 158 g of butane (C4H10) at its boili

42) How much energy is required to vaporize 158 g of butane (C4H10) at its boiling point, if its AH vap is 24.3 kJ/mol? D) 2.60 A) 15.1 kJ 43) Dissolving can be defined as A) rate…

42-dt-content-rid-17108994-1/courses 21 79-19936 PS3-DueNov 16th%2829629 pdf .Ma

42-dt-content-rid-17108994-1/courses 21 79-19936 PS3-DueNov 16th%2829629 pdf .Making Predictions about reactivity and Address the following using the example provided. This exampl…

42. Denaturation of proteins results in loss of structure. a) primary b) seconda

42. Denaturation of proteins results in loss of structure. a) primary b) secondary c) tertiary d) B&C; e) A, B & C 43. The quaternary structure of a protein is due to: a) …

42. How many valence electrons are contained in CO\'? b. 14 c. 8 d. 10 e. 9 A 15

42. How many valence electrons are contained in CO'? b. 14 c. 8 d. 10 e. 9 A 15 g piece of iron (CP-25.09 J/(mol·°C)) is heated to a temperture of 95°C and placed into a bucket co…

42. In a mixture of gases, hydrogen molecules have an average speed times faster

42. In a mixture of gases, hydrogen molecules have an average speed times faster than the average speed of nitrogen molecules A. 0.14 B. 0.27 C. 3.74 D. 7.0 E. 14 43. 4.00 grams o…

42. Steel is an alloy consisting of Fe with a small amount of C. Elemental Cr ca

42. Steel is an alloy consisting of Fe with a small amount of C. Elemental Cr can be added to steel to make the steel less likely to rust: Cr atoms react with oxygen in the air to…

42. Visit this PhET density simulation (http://openstaxcollege.org/l/16phetmasvo

42. Visit this PhET density simulation (http://openstaxcollege.org/l/16phetmasvolden) and select Custom Blocks and then My Block. (a) Enter mass and volume values for the block su…

42. When 1.254 g of sodium hydrogen carbonate (bak ing soda) is heated, it decom

42. When 1.254 g of sodium hydrogen carbonate (bak ing soda) is heated, it decomposes to 0.765 g of sodium carbonate. Use the balanced chemical equation and other given informatio…

42. Which of the following is true about zwitterions? A). They are positively ch

42. Which of the following is true about zwitterions? A). They are positively charged. B). They are negatively charged. C). They are electrically neutral. D). The charge depends o…

42. Which of the following statements describes a system at equilibrium? Page 11

42. Which of the following statements describes a system at equilibrium? Page 11 of 12 e. the forward rate - the reverse rate of the reaction. both (a) and (c). e. either (a) or (…

42. Why is there one line in the Lyman series that doesn\'t match a line in any

42. Why is there one line in the Lyman series that doesn't match a line in any other series? 43. Why is there one line in the Balmer series that doesn't match a line in the Pasche…

42.You are likely to observe 11-boeding in whick of following molecules? a. subs

42.You are likely to observe 11-boeding in whick of following molecules? a. substrate b. mask c. counter layer d retardant b. CH.F G. NaF 37. When a liquid reaches a temperature a…

424 Report Sheer Rates of Chemical Reactions II: Rate and Order of H,0 B. Effect

424 Report Sheer Rates of Chemical Reactions II: Rate and Order of H,0 B. Effect of Temperature BATH TEMPERATURE Buret read Vol. of O Decomposition ing (ml) (mL) Time 1420 12 4201…

43 Consider Lewis formulas A, B, and C: (a) Are A, B, and C constitutional isome

43 Consider Lewis formulas A, B, and C: (a) Are A, B, and C constitutional isomers, or are they resonance contributors? (b) Which have a negatively charged carbon? (c) Which have …

43 Consider the following data and decide which of the below statements adequate

43 Consider the following data and decide which of the below statements adequately interprets these observations. Metal Oxide SrO BaO CsF RbF -3217 -3029 -744 -785 A) The magnitud…

43 Name Locker Number Experiment 3 The Identification of an Unknown Liquid PRELI

43 Name Locker Number Experiment 3 The Identification of an Unknown Liquid PRELIMINARY EXERCISES: 1. Indicate which of the following would be considarod physical properties (P) an…

43) 43) Which of the following quantum numbers describes the size and energy of

43) 43) Which of the following quantum numbers describes the size and energy of an orbital? A) angular momentum quantum number B) principal quantum number C) spin quantum number D…

43) A reaction follows the following two-step mechanism. Slow A2 + B-A2B Fast Ov

43) A reaction follows the following two-step mechanism. Slow A2 + B-A2B Fast Overall: 2A + B = A2B What is the rate law? A) Rate -k[A B) Rate-kIAI [B] C) Rate kAJIB) D) Rate-kAIB…

43. The R group is different for the 20 amino acids used in protein synthesis. A

43. The R group is different for the 20 amino acids used in protein synthesis. A. True B. False 44. The centrosome is the microtubule organizing center. A. True B. False 45. Stem …

43. The R group is different for the 20 amino acids used in protein synthesis. A

43. The R group is different for the 20 amino acids used in protein synthesis. A. True B. False 44. The centrosome is the microtubule organizing center. A. True B. False 45. Stem …

43. Unsaturated hydrocarbons, a. contains atleast one double or triple bonds 44.

43. Unsaturated hydrocarbons, a. contains atleast one double or triple bonds 44. A protein is a, d. polymer of amino acids 45. after addition of 25 ml of KOH, we have reached half…

43. Which is TRUE of the sugar code? a· Sugars called lectins bind to specific p

43. Which is TRUE of the sugar code? a· Sugars called lectins bind to specific proteins, mediated by noncovalent interactions. b. Antivirals such as Tamiflu prevent "reading" C. T…

43. Which is TRUE of the sugar code? a· Sugars called lectins bind to specific p

43. Which is TRUE of the sugar code? a· Sugars called lectins bind to specific proteins, mediated by noncovalent interactions. b. Antivirals such as Tamiflu prevent "reading" C. T…

43. Which of the following is true about the reaction of 3-bromo 2-methylpentane

43. Which of the following is true about the reaction of 3-bromo 2-methylpentane with potassium methou L. The reaction is E2 elimination with anti-periplanar substrate configurati…

43.) in which of the following reactions does a decrease in the volume of the re

43.) in which of the following reactions does a decrease in the volume of the reaction vessel at constant temperature favor formation of the products? Please answer both. 42. If t…

43.0% yield 61.5% yield 74.1% yield 86.0% yield 102% yield Which of the followin

43.0% yield 61.5% yield 74.1% yield 86.0% yield 102% yield Which of the following is a weak electrolyte? HCl (hydrochloric acid) C_6 H_12 O_6 (glucose) HC_2 H_3 O_2 (acetic acid) …

4341007 scms/mod/ibis/vwiew.php?id College-SCC 202-Fall17 (Session l)-MERCIER Ac

4341007 scms/mod/ibis/vwiew.php?id College-SCC 202-Fall17 (Session l)-MERCIER Activities and Due Dates HW 6-Chapter 17 /2017 11:55 PM66/10 -Print Calolatr Periodic Table on 25 of …

44 gof C molarity, M, of the solution? Show your work. dissolved in enough water

44 gof C molarity, M, of the solution? Show your work. dissolved in enough water to make 500 mL of solution, what will be the molCaCh 500 3) A sample vial containing 1.25 g of com…

44) The density of solution containing 15.0 percent of ethanol (CHsOH) by mass i

44) The density of solution containing 15.0 percent of ethanol (CHsOH) by mass is 0.974 gml. (a) would contain 15.0 percent of ethanol (CHsOH) by mass is Calculate the molality of…

44, A rain stomm could release all the chemical wastes into the from a) a deep w

44, A rain stomm could release all the chemical wastes into the from a) a deep well, b) a surface impoundment, c a landfill, d) none of the above 45. Burrowing animals could prese…

44. Usmplete the following reaction sequence by drawing the structure the produc

44. Usmplete the following reaction sequence by drawing the structure the products in the boxes provided. of CH Mg H3O CH CHCH,Br Ether 45. Arrange the following in the correct or…

44. Write the balanced equation, then outline the steps necessary to determine t

44. Write the balanced equation, then outline the steps necessary to determine the information requested in each of the following: (a) The number of moles and the mass of Mg requi…

44. ________ memory is a small, high-speed, high-cost memory that servers as a b

44. ________ memory is a small, high-speed, high-cost memory that servers as a buffer for frequently accessed data. A) ROM                                   B) RAM                …

44. option C is the answer. as it is the mixture of salt and strong base. 45. op

44. option C is the answer. as it is the mixture of salt and strong base. 45. option B is the answer. 46. [OH-] = 2 * 0.010 = 0.020 M POH = - log (0.020) = 1.7 PH = 14 - 1.7 = 12.…

44.) Balance the chemical equation given below, and determine the number of mole

44.) Balance the chemical equation given below, and determine the number of moles of iodine that reacts with 30.0 g of aluminum _____Al(s) + ______ I2(s) -->______Al2I6(s) a.) …

442 Chapter 13 Introduction to Symmetry in Quantum Mechanics EXAMPLE 13.3 Determ

442 Chapter 13 Introduction to Symmetry in Quantum Mechanics EXAMPLE 13.3 Determine the point groups that define the symmetry of the following compounds, whose structures are illu…

4490 HW 1 3. (496) What is the average total energy released per fission of uran

4490 HW 1 3. (496) What is the average total energy released per fission of uranium-235? 4. (496) what is the average energy ofthe fission neutrons produced per fission ofuranium-…

45) Cleavage in a mineral is controlled by which of the following? A. Planes alo

45) Cleavage in a mineral is controlled by which of the following? A. Planes along which bonding is weak B. The predominant direction light is transmitted through a crystal C. Lin…

45) Streams transport sediment and rock fragments. What happens with greater dis

45) Streams transport sediment and rock fragments. What happens with greater distance of transport? A. Sediment becomes more angular B. Maturity increases C. Rock fragments and mi…