Chemistry concepts and calculations

(50%) Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture o

(50%) Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture of ethylene oxide (C2H4O) C2H4 + 1/2 O2 arrowright C2H4O The process flow diagram is shown below. Th…

(50%) Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture o

(50%) Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture of ethylene oxide (C2H4O) C2H4 + 1/2 O2 arrowright C2H4O The process flow diagram is shown below. Th…

(55 points) Hypothetical Air-Standard Cycle.Use Constant Specific Heats A hypoth

(55 points) Hypothetical Air-Standard Cycle.Use Constant Specific Heats A hypothetical air-standard ideal cycle this is neither an Otto nor a diesel cycle) is executed in a closed…

(56)Draw structural formulas for the products of the complete hydrolysis of tris

(56)Draw structural formulas for the products of the complete hydrolysis of tristearin.

(56)Draw structural formulas for the products of the complete hydrolysis of tris

(56)Draw structural formulas for the products of the complete hydrolysis of tristearin.

(57) Esterification is the reaction of a carboxylic acid (RCOOH) with an alcohol

(57) Esterification is the reaction of a carboxylic acid (RCOOH) with an alcohol (R,OH) to form an ester (RCOOR') with loss of water. Equation [1] is an example of an intermolecul…

(5c) While sipping a very hot cup of coffee just outside her laboratory, Candy C

(5c) While sipping a very hot cup of coffee just outside her laboratory, Candy Chemist pondered the maximum temperature of sipping hot coffee without burning her lips knowing repe…

(5pts) A container of volume 22.4 L contains 4.0 mol H2 and 1.0 mol N2 at 273.15

(5pts) A container of volume 22.4 L contains 4.0 mol H2 and 1.0 mol N2 at 273.15K. What is the partial pressure of each gas? What is the total pressure? (5pts) What is the heat ca…

(6 ) Draw a structure consistent with the followingdata: The MS shows a molecula

(6) Draw a structure consistent with the followingdata: The MS shows a molecular ion at 59 amu. The IR spectrum shows a double-humped strong absorbance ataround 3300 cm–1 (the onl…

(6 points) Naproxen (\"Aleve\") is a common over the counter anti- inflammatory

(6 points) Naproxen ("Aleve") is a common over the counter anti- inflammatory drug. The S-enantiomer is effective, the R-enantiomer is not. The [aB of the S-enantiomer is+50 a) Is…

(6 pts) 19. A buffer is composed of HC,HsO2 and NaC,Hs0 2. Write the balanced ch

(6 pts) 19. A buffer is composed of HC,HsO2 and NaC,Hs0 2. Write the balanced chemical equation for the addition of HBr to this buffer. Also, write the balanced chemical equation …

(6 pts) Use the two calculation methods identified below, to calculate the pH of

(6 pts) Use the two calculation methods identified below, to calculate the pH of a solution of 1.23 x 10^-3 M lactic acid. Ka constant info on final page. Carry out each pH calcul…

(6 pts.) The standard enthalpy of sublimation of phenanthrene is Hsub-841 kJ/mol

(6 pts.) The standard enthalpy of sublimation of phenanthrene is Hsub-841 kJ/mol at 298 K. What is the standard internal energy change of sublimation Usub at this temperature? 4, …

(6) 6. Use the vapor liquid composition curve, below, for a minture of eyelohexa

(6) 6. Use the vapor liquid composition curve, below, for a minture of eyelohexane and toluene to ansiver the following questions. a. What is the boiling point of pure 110 toluene…

(6) Consider the following reaction and E values of each half reaction. sel Cu (

(6) Consider the following reaction and E values of each half reaction. sel Cu (s) 2Fe md (aq) Cu (aq) 2 (aq) Fe" 2Fe (aq) 2e 2 Fe?" E What is the potential Cu(s) [Fe "l 1.0 x 10 …

(6) Write the molecule or class of molecules described by each clue. If the clue

(6) Write the molecule or class of molecules described by each clue. If the clue describes more than one (type of) molecule, give an example of a molecule or class of molecules de…

(6) Write the molecule or class of molecules described by each clue. If the clue

(6) Write the molecule or class of molecules described by each clue. If the clue describes more than one (type of) molecule, give an example of a molecule or class of molecules de…

(6) experimental mass Ca pill- theoretical mass Ca pill x 100% %error theoretica

(6) experimental mass Ca pill- theoretical mass Ca pill x 100% %error theoretical mass Ca pi Safety Considerations entire time that you I. Goggles and appropriate protective cloth…

(6.5) Assume you are involved in a project to deposit ZnS and CdS films for infr

(6.5) Assume you are involved in a project to deposit ZnS and CdS films for infrared optical coatings. Thermodynamic data reveal 1. H2S(g) + Zn(g) - > ZnS(s) + H2(g) Delta G de…

(60 pts) Comosion (a) Define the tem \"corrosion\" (b) Why is the Statue of Libe

(60 pts) Comosion (a) Define the tem "corrosion" (b) Why is the Statue of Liberty green in color (c) The Statue ofLiberty was built in 1886. It's exterior metal is copper that lik…

(60 pts) Comosion (a) Define the tem \"corrosion\" (b) Why is the Statue of Libe

(60 pts) Comosion (a) Define the tem "corrosion" (b) Why is the Statue of Liberty green in color (c) The Statue ofLiberty was built in 1886. It's exterior metal is copper that lik…

(60 pts) Haber Process (a) Write the balanced equation for the equilibrium Haber

(60 pts) Haber Process (a) Write the balanced equation for the equilibrium Haber Process that produces ammonia from nitrogen and hydrogen (b) If the Kp for this reaction is 4.52 x…

(60 pts) Haber Process (a) Write the balanced equation for the equilibrium Haber

(60 pts) Haber Process (a) Write the balanced equation for the equilibrium Haber Process that produces ammonia from nitrogen and hydrogen (b) If the Kp for this reaction is 4.52 x…

(60) 3. A carbon monoxide rich stream, comprised of 80. mol% CO, 14 mol% CO2, an

(60) 3. A carbon monoxide rich stream, comprised of 80. mol% CO, 14 mol% CO2, and 6.0 mol% N2 is blended with 5% excess pure steam to form the fresh feed for a water-gas-shift rea…

(6pts) Can You See a Single Photon? T he wavelength corresponding to the maximum

(6pts) Can You See a Single Photon? The wavelength corresponding to the maximum sensitivity of the human eye is 510 nm, the limit of sensitivity of the dark-adapted eye has been s…

(7) Le Chatelier\'s Principle Is the statement true or false , with respect to t

(7) Le Chatelier's Principle Is the statement true or false, with respect to the specified reaction in each case? If a vessel, containing an equilbrium mixture of these gases, is …

(7) Le Chatelier\'s Principle Is the statement true or false , with respect to t

(7) Le Chatelier's Principle Is the statement true or false, with respect to the specified reaction in each case? If a vessel, containing an equilbrium mixture of these gases, is …

(7) The Histamine 3 (H) Receptor is a G-protein linked receptor that, in its act

(7) The Histamine 3 (H) Receptor is a G-protein linked receptor that, in its active conformation, interacts with a G-protein leading to (among other effects) closing Ca channels t…

(7) a) Describe the coupling pattern (i.e. doublet, triplet, doublet of doublets

(7) a) Describe the coupling pattern (i.e. doublet, triplet, doublet of doublets etc) for the peak at 5.31, and calculate the coupling constant (J) value(s) (see p29, 31). Note - …

(7.5 points) The solutions in beakers X and Y were combined in beaker Z, as show

(7.5 points) The solutions in beakers X and Y were combined in beaker Z, as shown in the cartoons below. Use a calculator to complete parts (b) through (d) for each solution. The …

(7.5 points) The solutions in beakers X and Y were combined in beaker Z, as show

(7.5 points) The solutions in beakers X and Y were combined in beaker Z, as shown in the cartoons below. Use a calculator to complete parts (b) through (d) for each solution. The …

(71 pts) Bonding in Transition Metal Complexes This problem for [Cr(NH3)sCI]Ch w

(71 pts) Bonding in Transition Metal Complexes This problem for [Cr(NH3)sCI]Ch will highlight two very important points: (1) the valence orbitals on the central cobalt metal ion t…

(76 pts) The following data was collected for the decomposition of chlorine mono

(76 pts) The following data was collected for the decomposition of chlorine monoxide into chlorine and oxygen at 25 C: Time (sec) ICIO] (M) (a) Create and attach three separate pl…

(76 pts) The following data was collected for the decomposition of chlorine mono

(76 pts) The following data was collected for the decomposition of chlorine monoxide into chlorine and oxygen at 25 C: Time (sec) ICIO] (M) (a) Create and attach three separate pl…

(8 marks) l. Answer the following questions by selecting the best answer: 1) Met

(8 marks) l. Answer the following questions by selecting the best answer: 1) Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon for…

(8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP, 20

(8 points) The solubility of the weak acid potassium hydrogen phthalate (KHP, 204.22 g/mol, pKA= 5.4) s 80.00 g/L in pure water at 293K. You have a 50 mole tablet of KHP to which …

(8 pts) 15. Draw Lewis structures for the following substances showing al1 forma

(8 pts) 15. Draw Lewis structures for the following substances showing al1 formal charges an the fol1owing substances showing all formal charges and I one electron pairs. Cova len…

(8 pts) Your textbook suggest that 1-butanol is protonated by HBr whish is creat

(8 pts) Your textbook suggest that 1-butanol is protonated by HBr whish is created in situ as shown in the equation below.(4pts) The reaction shown above is not accurate and does …

(8 pts) y your 1) 3pts. Rank the following compounds in order of increasing vapo

(8 pts) y your 1) 3pts. Rank the following compounds in order of increasing vapor pressure at 298 °C and justif answer. Note that the stronger the intermolecular forces the smalle…

(8 pts) y your 1) 3pts. Rank the following compounds in order of increasing vapo

(8 pts) y your 1) 3pts. Rank the following compounds in order of increasing vapor pressure at 298 °C and justif answer. Note that the stronger the intermolecular forces the smalle…

(8%) Problem 9: A turntable of radius 25 cm and rotational inertia 0.0154kg-m2 i

(8%) Problem 9: A turntable of radius 25 cm and rotational inertia 0.0154kg-m2 is spinning freely at 22.0 rom about its central axis. with a 19.5g mouse on its outer edge. The mou…

(8) Oxidation of glucose to CO2 and water is accompanied by a large negative fre

(8) Oxidation of glucose to CO2 and water is accompanied by a large negative free energy change: C6H1206 + 6O2 6 CO2 + 6 H2O G--2880 kJ/mol Many of the reactions in living organis…

(896) Problem 7: A heart defibrillator being used on a patient has an RC time co

(896) Problem 7: A heart defibrillator being used on a patient has an RC time constant of 10.5 ms due to the resistance of the patient's body and the capacitance of the defibrilla…

(8c25p65&66) A capacitance C1 = 7.6 F is connected in series with a capacitance

(8c25p65&66) A capacitance C1 = 7.6 F is connected in series with a capacitance C2 = 5.0 F, and a potential difference of 250 V is applied across the pair. Calculate the equiv…

(8c25p74) A slab of copper of thickness b = 1.139 mm is thrust into a parallel-p

(8c25p74) A slab of copper of thickness b = 1.139 mm is thrust into a parallel-plate capacitor of C = 1.00×10-11 F of gap d = 9.0 mm, as shown in the figure; it is centered exactl…

(8c27p22) A solar cell generates a potential difference of 0.1397 V when a 500 r

(8c27p22) A solar cell generates a potential difference of 0.1397 V when a 500 resistor is connected across it, and a potential difference of 0.2120 V when a 1000 resistor is subs…

(8pts) Consider a system with 128G virtual memory, 8G physical memory. The syste

(8pts) Consider a system with 128G virtual memory, 8G physical memory. The system uses 2 level paging. The number of page table entries in level 1 page table is 4K. The page size …

(9 Quizzes , CHEN Chegg Capitol City Stax Math × C Secure: https://lccc-wydesire

(9 Quizzes , CHEN Chegg Capitol City Stax Math × C Secure: https://lccc-wydesire2learn.com/d21/ms/quizzing/user/a. @ Apps G GoogleEagles Eye Online Study G Chegg %WebAssign Apps C…

(9 Quizzes , CHEN Chegg Capitol City Stax Math × C Secure: https://lccc-wydesire

(9 Quizzes , CHEN Chegg Capitol City Stax Math × C Secure: https://lccc-wydesire2learn.com/d21/ms/quizzing/user/a. @ Apps G GoogleEagles Eye Online Study G Chegg %WebAssign Apps C…

(9) The two compound shown are configurational isomers. They are not conformatio

(9) The two compound shown are configurational isomers. They are not conformational isomers because they both have the boat conformation, and converting one to other requires bond…