Chemistry concepts and calculations

5. Circle the intermolecular force that accounts for the difference in the follo

5. Circle the intermolecular force that accounts for the difference in the following cases (a) The boiling point of hydrogen bromide (HBr) is -66°C but the boiling point of hydrog…

5. Circle the intermolecular force that accounts for the following observations:

5. Circle the intermolecular force that accounts for the following observations: (6) a. The boiling point of ammonia (NHo) is-33'C but the boiling point of phosphine (PHa) is-88 C…

5. Compare the definition of a weak acid to the definition of a strong acid to e

5. Compare the definition of a weak acid to the definition of a strong acid to explain why the reaction of acetic acid(HC2H3O2) (a weak acid)) with NaoH(a strong base) is less exo…

5. Complete the table below for the four different combinations of enthalpy and

5. Complete the table below for the four different combinations of enthalpy and entropy. G at low T | AG at high T | Is the spontaneity (circle one) (circle one) temperature depen…

5. Consider a sample that is a mixture composed of biphenyl, benzoic acid, and b

5. Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl n b alcohol. The sample mixture is spotted on a TLC plate and developed using dichloromethane…

5. Consider a solution that contains ammonia and the Ni2 ion: Use your reasoning

5. Consider a solution that contains ammonia and the Ni2 ion: Use your reasoning from the questions above to explain why the addition of 3M NH to Ni2 (aq) will precipitate the nic…

5. Consider the carbonate ion test that you might perform on a typical +2 metal

5. Consider the carbonate ion test that you might perform on a typical +2 metal carbonate as an equilibrium: MH20 +CO a) Based on this equilibrium and the observed (limited) solub…

5. Consider the following reaction to answer the questions below (you can use ar

5. Consider the following reaction to answer the questions below (you can use arrows up or down to indicate increase or decrease, or write "no change" if there is no change): Pb(N…

5. Consider the following set of quantum numbers. For each set indicate if the s

5. Consider the following set of quantum numbers. For each set indicate if the set is possible. If the quantum numbers are not possible, explain why. (a) n=1, I=1, m1= 0, ms= +(1/…

5. Consider the following table of relevant items in ranked order where zero mea

5. Consider the following table of relevant items in ranked order where zero means it was on the hit list but not relevant. NV = not viewed which means it was on hit ist and relev…

5. Consider the gas phase reversible reaction 2A+ B that occurs at atmospheric p

5. Consider the gas phase reversible reaction 2A+ B that occurs at atmospheric pressure. If the equilibrium constant Ka-0.1, what are the equilibrium mole fractions of A and B? (5…

5. Consider the mass spectrum below. For each of the following questions, circle

5. Consider the mass spectrum below. For each of the following questions, circle the letter corresponding to your answer. (9 points) 100 169 184 186 60 40 51 90 20 75 150 175 m/ z…

5. Consider the molecule below. What is the bond order of Bond A? [Input format

5. Consider the molecule below. What is the bond order of Bond A? [Input format a whole number (1,2, etc) or simplist improper fraction (4/3, 5/3, etc). Reduce 9/6 to 3/2.] What i…

5. Consider the reaction of carbon monoxide with oxygen to produce carbon dioxid

5. Consider the reaction of carbon monoxide with oxygen to produce carbon dioxide. 2 CO(g) + Oz(g) 2 CO2(g) At what temperature will this reaction be spontaneous according to Gibb…

5. Consider the reaction that occurs when CIO, sol (OH) are mixed, as shown in t

5. Consider the reaction that occurs when CIO, sol (OH) are mixed, as shown in the following equation; 2CIO2(aq) + 20H (aq) Cio,(aq) + cio2 (aq) + H2O(1) ution and a solution cont…

5. Consider the reaction, N204(g) 2 NO2(8), where PNO2 0.29 atm and PN204 1.6 at

5. Consider the reaction, N204(g) 2 NO2(8), where PNO2 0.29 atm and PN204 1.6 atm. For this reaction at these conditions, aG-_1000 J and ?G°-6000 J. which of the following stateme…

5. Consider the reaction: C12H22O11 + H2O 2C6H12O6 Some data for this reaction f

5. Consider the reaction: C12H22O11 + H2O 2C6H12O6 Some data for this reaction follows: Experiment [C12H22O11] (M) [H2O] (M) Initial Rate of Appearance of C6H12O6 (M/s) 1 0.100 55…

5. Consider two identical containers ofnegligible mass each containing the same

5. Consider two identical containers ofnegligible mass each containing the same amount of the same liquid. The liquid in container B is cooled to a temperature of -35 oC, the liqu…

5. Considering that KpCT)=(Pa AP )ea , what is the equilibrium constant for the

5. Considering that KpCT)=(Pa AP )ea , what is the equilibrium constant for the following reaction at 500 K and a total pressure of 2 bar assuming that there is 1 mole of NO2 pres…

5. Create a view named CustomerAddresses that shows the shipping and billing add

5. Create a view named CustomerAddresses that shows the shipping and billing addresses for each customer This view should return these columns from the Customers table: CustomerID…

5. DOT OPERATIONS Let matrix \'a\' and \'b\' be two 1x3 defined matrices. Choose

5. DOT OPERATIONS Let matrix 'a' and 'b' be two 1x3 defined matrices. Choose the correct line of code to multiply together the elements of matix 'a' and the elements of matrix ?b?…

5. Decide whether the following elements a metal, nonmetal, or metalloid. Se b.

5. Decide whether the following elements a metal, nonmetal, or metalloid. Se     b. Cs     c. Fe       d. Cu       e. Br     f. Cl       g. Si 6. Identify group and period for eac…

5. Describe qualitatively the microstructural development that will occur upon s

5. Describe qualitatively the microstructural development that will occur upon slow cooling from of 1050 steel from 1600 °C to 20 °C. 6. a). What are p-type semiconductors? What a…

5. Design a class for a book that an online retailer (such as Amazon.com) might

5. Design a class for a book that an online retailer (such as Amazon.com) might use to keep track of the book. Fields might include name of the book, publisher, price, author, and…

5. Determine the molal freezing point depression constant (Kf) (in °Ckg/mol) of

5. Determine the molal freezing point depression constant (Kf) (in °Ckg/mol) of water by using the data of three NaCl solutions . Use Equation 3 in the “Background and Procedure” …

5. Determine the pH for the following solutions a. IOH1-1.0 x 107M PHNeira [H3O+

5. Determine the pH for the following solutions a. IOH1-1.0 x 107M PHNeira [H3O+)-4.2 x 10" M Pn = 2.38 AciSic [H30 0.0001 M PH= c. Calculate the volume in mL, of 0.215 M KOH solu…

5. Determine whether each of the following statements is true or false. If F, ex

5. Determine whether each of the following statements is true or false. If F, explain why. a. A higher activation energy gives a lower reaction rate. b. Generally speaking, a temp…

5. Determine whether the following pairs have a spontaneous reaction when found

5. Determine whether the following pairs have a spontaneous reaction when found in the same beaker. If the reaction is spontaneous write the net ionic equation. a) aluminum ions a…

5. Determining the reaction order for hydroxide ion. Using the slopes (m) from t

5. Determining the reaction order for hydroxide ion. Using the slopes (m) from the equations for the lines ofbest fit ofthe graphs that you used to determine the reaction order fo…

5. Different grades of gasoline stored in underground tanks at gas stations have

5. Different grades of gasoline stored in underground tanks at gas stations have different levels of acceptable impurities. Benzene impurity in gasoline is now limited by regulati…

5. Discuss the following: a. Delta ,H becomes less negative along the series LiF

5. Discuss the following: a. Delta ,H becomes less negative along the series LiF, NaF, KF, RbF, and CsF, but more negative along the series Lil, Nal, Kl, RbI, and Csl. b. Raising …

5. Doos exactly % the decay of the isotope next to it? is decay a ra independent

5. Doos exactly % the decay of the isotope next to it? is decay a ra independent of the other atoms the decay of the sot the sotopes decay in each 'w lite? Doe tho decay of one ia…

5. Dr. DeWob collected some kinetics data for a new gnome foot fungus drug: 3A +

5. Dr. DeWob collected some kinetics data for a new gnome foot fungus drug: 3A + B + C 2D + F FunGuy wants to determine the activation energy for the above reaction, but, alas, he…

5. E.D. Eastman and W.C. McGavock studied the transition of rhombic sulfur to mo

5. E.D. Eastman and W.C. McGavock studied the transition of rhombic sulfur to monoclinic ulfur J. Am. Chem. Soc.. 59, 145 (1937). At one atmosphere pressure the following phase tr…

5. Emergency plans are being formulated so that rapid action can be taken in the

5. Emergency plans are being formulated so that rapid action can be taken in the event of an equipment failure at the Trupointe Cooperative Inc. in Medway Ohio. It is predicted th…

5. Ethanol (CH&O;), a gasoline additive, is formed by the reaction of ethylene w

5. Ethanol (CH&O;), a gasoline additive, is formed by the reaction of ethylene with water. This compound is mixed with gasoline to produce "gasohol", in order to reduce our re…

5. Examine the stability diagram for smectite, kaolinite, and gibbsite at the en

5. Examine the stability diagram for smectite, kaolinite, and gibbsite at the end of this problem set for pH 5 and pH 6.5. Note, the figure shows stability diagrams at two differe…

5. Examine the stability diagram for smectite, kaolinite, and gibbsite at the en

5. Examine the stability diagram for smectite, kaolinite, and gibbsite at the end of this problem set for pH 5 and pH 6.5. Note, the figure shows stability diagrams at two differe…

5. Example Question 18.05 [18.06 Molecular Theories of Elementary Reactions | Tr

5. Example Question 18.05 [18.06 Molecular Theories of Elementary Reactions | Transition State Theory] The values of Ea = 248 kJ/mol and delta E = 41 kJ / mol have been measured f…

5. Experimental Procedure, Part A.6 versus Part B.2. Would you expect more or le

5. Experimental Procedure, Part A.6 versus Part B.2. Would you expect more or less standard 0.05 M HCI to be used to reach the methyl orange endpoint in Part B.2? Explain. 6. a. A…

5. Experiments 1,2,3,4 were performed with 25.0 mL of 4 monoprotic acids. The ac

5. Experiments 1,2,3,4 were performed with 25.0 mL of 4 monoprotic acids. The acid molarity is unknown. They were each titrated with a monobasic base of 0.10 M. (alkali is another…

5. Experiments 1,2,3,4 were performed with 25.0 mL of 4 monoprotic acids. The ac

5. Experiments 1,2,3,4 were performed with 25.0 mL of 4 monoprotic acids. The acid molarity is unknown. They were each titrated with a monobasic base of 0.10 M. (alkali is another…

5. Explain briefly five of the following: a) % elongation increases as gage leng

5. Explain briefly five of the following: a) % elongation increases as gage length decreases b) fracture strength tensile strength on a true stress-strain curve c) coarse grained …

5. Explain why each of the following is true. You may wish to include drawings a

5. Explain why each of the following is true. You may wish to include drawings and/or examples in your explanations. a. A tertiary (3 degree) carbocation is generally more stable …

5. Explain why each of the following is true. You may wish to include drawings a

5. Explain why each of the following is true. You may wish to include drawings and/or examples in your explanations. a. A tertiary (30) carbocation is generally more stable than a…

5. Explain why each of the following is true. You may wish to include drawings a

5. Explain why each of the following is true. You may wish to include drawings and/or examples in your explanations. a. A tertiary (3 degree) carbocation is generally more stable …

5. Fig. 4 is part of Iro Carbide phase diagram. Use Fig 4 to answer the followin

5. Fig. 4 is part of Iro Carbide phase diagram. Use Fig 4 to answer the followin the numbers marks)Note: please use ruler to get answersas precise as possible whole only. (a) (b) …

5. Fill in the Table below with your best three titration results for calcium an

5. Fill in the Table below with your best three titration results for calcium and magnesium together Report volumes and molarities to four signifieant figures. Show your calculati…

5. Fill in the missing information in the table below using the information in P

5. Fill in the missing information in the table below using the information in Part II. Substance tested, Test reagent, substance formed Substance tested Step Formula Name State A…

5. Find the pH of the following solutions generated from the materials in the bo

5. Find the pH of the following solutions generated from the materials in the bottles shown below: 200.0 mL of 0.0750 M HCI Bottle A Bottle B 200.0 mL of 0.200 M hydrazine (H2N-NH…