Chemistry concepts and calculations

(BIOCHEMISTRY QUESTION) Consider the following reactions, which are two consecut

(BIOCHEMISTRY QUESTION) Consider the following reactions, which are two consecutive steps in the TCA cycle. The two reactions are catalyzed by two independent enzymes, malate + NA…

(BIOCHEMISTRY QUESTION) NADH produces 2.5 ATP whereas FADH2 produces only 1.5 AT

(BIOCHEMISTRY QUESTION) NADH produces 2.5 ATP whereas FADH2 produces only 1.5 ATP. Which of the following can reconcile this difference? a. NADH transfers two electrons to the ele…

(BIOCHEMISTRY QUESTION) Which of the following statements is correct? a. the pro

(BIOCHEMISTRY QUESTION) Which of the following statements is correct? a. the proton gradient produced by the electron transport chain is used by ATP synthase to form the phosphoan…

(Before actually proceeding to the question, I want to confess that this is a ho

(Before actually proceeding to the question, I want to confess that this is a homework question, please do consider it and help me in improving my understanding a bit more.) I hav…

(Biochemistry) These questions really confuse me and I never get them 100% right

(Biochemistry) These questions really confuse me and I never get them 100% right! Help! Not yet answered Points out of 2.00 Flag question Which of the following is NOT correct abo…

(Bioinformatics: find genes) Biologists use a sequence of the letters A, C, T, a

(Bioinformatics: find genes) Biologists use a sequence of the letters A, C, T, and G to model a genome. A gene is a substring of a genome that starts after a triplet ATG and ends …

(C ++) Problem 1: The Figure shows a mass, m, on a frictionless surface. The mas

(C ++) Problem 1: The Figure shows a mass, m, on a frictionless surface. The mass is connected to two walls by springs, which have stiffness values K1 and K2. The natural period o…

(C++ language, IDE Visual Studio 2013(if you do not have VS2013 i image that wil

(C++ language, IDE Visual Studio 2013(if you do not have VS2013 i image that will be ok as long as the IDE converts)) */scenario, You have been contracted by a small college named…

(C++ language, IDE Visual Studio 2013, Book: \"starting out with >>> C++ from co

(C++ language, IDE Visual Studio 2013, Book: "starting out with >>> C++ from control structures through objects, Eight Edition", question on page 1024, number 17. Phone b…

(C++) Create a class named Serial that includes a data member that holds a \"ser

(C++) Create a class named Serial that includes a data member that holds a "serial number" for each object created from the class. That is, the first object created will be number…

(C++) Given the following pseudo code: Algorithm What (A, n) A

(C++) Given the following pseudo code: Algorithm What (A, n) A <- new 2-dimensional array of n x n integers s <- 0 for i <- 2 to n-2 do for j <- i-2 to n-1 do s <- …

(C++) In all the following functions consider singly linked lists and provide a

(C++) In all the following functions consider singly linked lists and provide a recursive solution 1) Write a function that deletes the last element in the list (function name: de…

(CCHBrCH (E) CH,O-- CHB.CH 18) The reduction of cyclohexanone in isopropyl alcoh

(CCHBrCH (E) CH,O-- CHB.CH 18) The reduction of cyclohexanone in isopropyl alcohol in the presence of aluminum isopropoxide can be used to prepare cyclohexanol in a good yield onl…

(CCHBrCH (E) CH,O-- CHB.CH 18) The reduction of cyclohexanone in isopropyl alcoh

(CCHBrCH (E) CH,O-- CHB.CH 18) The reduction of cyclohexanone in isopropyl alcohol in the presence of aluminum isopropoxide can be used to prepare cyclohexanol in a good yield onl…

(CH 3 ) 3 C-Br reacts at the same rate with Br - and H 2 O in substitution react

(CH3)3C-Br reacts at the same rate with Br- and H2O in substitution reactions even though Br- is a more reactive nucleophile. Why? Select one: A. (CH3)3C-Br reacts by SN1 mechanis…

(CH3)3CCl(aq) + OH¯ à (CH3)3COH(aq) + Cl¯ For the reaction represented above, th

(CH3)3CCl(aq) + OH¯ à (CH3)3COH(aq) + Cl¯ For the reaction represented above, the experimental rate law is given as follows. Rate = k [(CH3)3CCl] If some solid sodium solid hydrox…

(Calcium chloride in water, ammonium nitrate in water, magnesium carbonate in wa

(Calcium chloride in water, ammonium nitrate in water, magnesium carbonate in water, and sodium nitrate in water) 1. What types of bonds or intermolecular forces need to be disrup…

(Can the parts be clearly labeled in the answer as well as an explanation for pa

(Can the parts be clearly labeled in the answer as well as an explanation for part b, thank you) The melting temperature of ice at the atmospheric pressure po 1 bar is known to be…

(Chemical engineering), urgent help need pls i need a complete answer with steps

(Chemical engineering), urgent help need pls i need a complete answer with steps pls or same example The following chemical equations represent two routes (different catalysts) fo…

(Chemical equilibria #6) I need the answer for part C. Part A: What volume of 10

(Chemical equilibria #6) I need the answer for part C. Part A: What volume of 10.0 M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? Answer: 6.7 mL …

(Compute the weekly hours of each employee and their gross pay) Suppose we have

(Compute the weekly hours of each employee and their gross pay) Suppose we have a small company with eight employees. The weekly hours for all the employees are shown below. Each …

(Consider schema(R, F), where R=ABCDE, F={E?DB, D?A, CA?E, BE?D} Find all the ke

(Consider schema(R, F), where R=ABCDE, F={E?DB, D?A, CA?E, BE?D} Find all the keys of the relation, and for each one, prove it is indeed a key. Decompose the schema into a set of …

(Count occurrence of numbers) Write a program that reads the integers between 1

(Count occurrence of numbers) Write a program that reads the integers between 1 and 100 and counts the occurrences of each. Assume the input ends with 0. Here is a sample run of t…

(Credit Card Validation) Credit card numbers follow certain patterns. A credit c

(Credit Card Validation) Credit card numbers follow certain patterns. A credit card number must have between 13 and 16 digits. It must start with: In 1954, Hans Luhn of IBM propos…

(D) (E) r=k r=k- IA] 14( If the rate law is: r = k[N2][H2], halving ration of N2

(D) (E) r=k r=k- IA] 14( If the rate law is: r = k[N2][H2], halving ration of N2 and doubling the the concent concentration of H2 will have what effect on the reaction rate? (A) T…

(D) (E) r=k r=k- IA] 14( If the rate law is: r = k[N2][H2], halving ration of N2

(D) (E) r=k r=k- IA] 14( If the rate law is: r = k[N2][H2], halving ration of N2 and doubling the the concent concentration of H2 will have what effect on the reaction rate? (A) T…

(D) The absorbance of an unknown solution prepared from ground- water was 0.175.

(D) The absorbance of an unknown solution prepared from ground- water was 0.175. Find the concentration of the unknown. 18-21. Protein concentration. The molar absorptivity of a p…

(Dice Rolling) Write a program in C that simulates the rolling of two dice. The

(Dice Rolling) Write a program in C that simulates the rolling of two dice. The program should use rand to roll the first die, and should use rand again to roll the second die. Th…

(Display three cards) Write a program(JavaFX application) that displays three ca

(Display three cards) Write a program(JavaFX application) that displays three cards randomly selected from a deck of 52. Suppose card image files are named 1.png, 2.png, ..., 52.p…

(Due date: February ,2018) 1) Calculate the molality of each of the following aq

(Due date: February ,2018) 1) Calculate the molality of each of the following aqueous solutions: (a) 0.940 M KBr solution (density of solution 1.08 g/mL). (b) 29.2 percent by mass…

(Due date: February ,2018) 1) Calculate the molality of each of the following aq

(Due date: February ,2018) 1) Calculate the molality of each of the following aqueous solutions: (a) 0.940 M KBr solution (density of solution 1.08 g/mL). (b) 29.2 percent by mass…

(Electrochemistry ±Cell Potential and Free Energy Constants I Petiodic Table ? P

(Electrochemistry ±Cell Potential and Free Energy Constants I Petiodic Table ? Part B Free-energy change?G" is related to cell potential, E"by the equation AGFE" where n is the nu…

(Equation 1) NH4Cl(s)(arrows)NH4(aq)+Cl(aq) -Rewrite equation 1 to include heat

(Equation 1) NH4Cl(s)(arrows)NH4(aq)+Cl(aq) -Rewrite equation 1 to include heat as a reactant or a product -Write the mass action expression for the equation 1 equilibrium (K=) -W…

(Except where otherwise noted, 2 pts. for all blanks, boxes and questions) Give

(Except where otherwise noted, 2 pts. for all blanks, boxes and questions) Give the balanced equation for the solvation of Ca(OH)2 in water Write the solubility-product expression…

(Figure 1) Part A Begin by calculating the number of atoms in the sun. Assume th

(Figure 1) Part A Begin by calculating the number of atoms in the sun. Assume that the sun is pure hydrogen with a density of 1.4 g/cm3 . The radius of the sun is 7×108m and the v…

(Figure 1) Part A What is the molecular mass of estradiol? Express your answer w

(Figure 1) Part A What is the molecular mass of estradiol? Express your answer with the appropriate units. SubmitMy AnswersGive Up Part B What is a probable formula? Express your …

(First part of the question, this is just for reference: We want to calculate th

(First part of the question, this is just for reference: We want to calculate the concentrations of all species in a 0.56 M Na2SO3 (sodium sulfite) solution. The ionization consta…

(For each) Explain whether the following molecules will react in these condition

(For each) Explain whether the following molecules will react in these conditions (and why): A. (SN1) with AgNO3/EtOH, at room temperature B. (SN1) with AgNO3/EtOH, at hot tempera…

(For first 4 questions) A sample of argon gas has a volume of 755 mL at a pressu

(For first 4 questions) A sample of argon gas has a volume of 755 mL at a pressure of 1.32 atm and a temperature of 130 C. (1) What is the volume of the gas in milliliters when th…

(Formyl cyanide has been detected toward Sgr B2 making this chemical and its pot

(Formyl cyanide has been detected toward Sgr B2 making this chemical and its potential isomers of astrophysical interest. We calculated the precise energies of the five most stabl…

(From Accounting Information Systems, 10e, Gelinas, Dull and Wheeler) V. SP 41 S

(From Accounting Information Systems, 10e, Gelinas, Dull and Wheeler) V. SP 41 SP4- a a Prepare a table of entities and activities for the Cornick, Inc. pro- table of entities and…

(GEOGRAPHY) Reggae music, born in the poor neighborhood of Kingston, Jamaica, ow

(GEOGRAPHY) Reggae music, born in the poor neighborhood of Kingston, Jamaica, owes its essence to economic, religious, political and economic influences from such diverse location…

(Huge Integer Class) Create a class HugeInteger which uses a 40-element array of

(Huge Integer Class) Create a class HugeInteger which uses a 40-element array of digits to store integers as large as 40 digits each. Provide methods parse, toString, add and subt…

(I am confused as to how to interpret this graph so that I can properly answer t

(I am confused as to how to interpret this graph so that I can properly answer the question.) An answer with detailed response is appreciated) Acrobat Pro File Edit View Window He…

(I don\'t think you need an experiments to answer this question.) In both experi

(I don't think you need an experiments to answer this question.) In both experiments, what accounts for the change in pressure you observed as you changed the volume of the gas? A…

(I just need an idea about how I should start this assignment. I want only few e

(I just need an idea about how I should start this assignment. I want only few examples) Project to implement a Custom-Off-The-Shelf (COTS) social networking solution for a univer…

(I pt.) Explain the difference between a real gas and an ideal gas. (Begin by de

(I pt.) Explain the difference between a real gas and an ideal gas. (Begin by defining both terms and then explain how they are different.) Under what conditions does a real gas a…

(I pt.) Explain the difference between a real gas and an ideal gas. (Begin by de

(I pt.) Explain the difference between a real gas and an ideal gas. (Begin by defining both terms and then explain how they are different.) Under what conditions does a real gas a…

(I was told that this was the place to ask this by someone from Webmasters, if I

(I was told that this was the place to ask this by someone from Webmasters, if I've got it wrong again please give me a chance!) I'm running a personal proxy service for the use o…

(I) Multiple-Choice Questions 1) Which statement is false? A) Gases are mostly e

(I) Multiple-Choice Questions 1) Which statement is false? A) Gases are mostly empty space B) The molecules of an ideal gas exert neither attractive nor repulsive forces on one C)…