Chemistry concepts and calculations

2. Would the following procedural changes cause the experimentally determined ma

2. Would the following procedural changes cause the experimentally determined mass percent of NH3 in Ni(NH3)nCl2 to be too high, too low, or unchanged. Briefly explain each answer…

2. Would the molar mass of a volatile liquid, calculated using the procedure in

2. Would the molar mass of a volatile liquid, calculated using the procedure in this experiment, be incorrectly high, incorrectly low, or unaffected by the following procedural ch…

2. Write DML SQL queries and answer the questions: Get the AdventureWorks Data D

2.Write DML SQL queries and answer the questions: Get the AdventureWorks Data Dictionary from technet.microsoft.com/en-us/library/ms124438(v=sql.100).aspx Use the SELECT and the W…

2. Write DML SQL queries and answer the questions: Get the AdventureWorks Data D

2.Write DML SQL queries and answer the questions: Get the AdventureWorks Data Dictionary from technet.microsoft.com/en-us/library/ms124438(v=sql.100).aspx Use the SELECT and the W…

2. Write a C program that reads a decimal number in and then calls a function de

2. Write a C program that reads a decimal number in and then calls a function dec2bin to find the binary equivalent the decimal integer and display it. The binary equivalent of a …

2. Write a Matlab program that will allow the user to enter the coefficients of

2. Write a Matlab program that will allow the user to enter the coefficients of a polynomial and make some calculations. Selections and data entry will be done by presenting the u…

2. Write a Method named PrintInt which returns a void and accepts a single integ

2. Write a Method named PrintInt which returns a void and accepts a single integer argument. Your method should print the integer in a multi-line format with one digit per line. T…

2. Write a NET IONIC equation to show the reaction of HCl with a 3-1 buffer of A

2. Write a NET IONIC equation to show the reaction of HCl with a 3-1 buffer of Acetate to Acetic Acid, Write a similar equation for the reaction of NaOH with the buffer. 3. Twenty…

2. Write a SELECT statement that returns one row for each category that has prod

2. Write a SELECT statement that returns one row for each category that has products with these columns: The CategoryName column from the Categories table The count of the product…

2. Write a Short Program –Reading and Writing a File The items that you will be

2. Write a Short Program –Reading and Writing a File The items that you will be submitting to me are the following 4 things: your files - .java files (so I can see the source code…

2. Write a program to play a game in which you try to sink a fleet of five navy

2. Write a program to play a game in which you try to sink a fleet of five navy vessels by guessing their locations on a grid. The program uses random numbers to position its ship…

2. Write a program with one sub-function to compute the velocity at various time

2. Write a program with one sub-function to compute the velocity at various time intervals of a body sliding down a slope with an initial velocity, v0. If the initial velocity, v0…

2. Write an acceptable wave function for the ground state term of the carbon ato

2. Write an acceptable wave function for the ground state term of the carbon atom determined above. 1. Wave functions can be written in determinant form, a common practice in chem…

2. Write balanced complete ionic equations for the following reactions. In each

2. Write balanced complete ionic equations for the following reactions. In each case, use the so1ubi1ity rules to determine whether or not either or both of the reaction products …

2. Write chemical equations for the TWO reactions we are going to study: 2 Na OH

2. Write chemical equations for the TWO reactions we are going to study: 2 Na OH H2504 2 H20 No2 S04 NaOH HC -- NaCl + H2O 2. reaction? Is heat a reactant or a product in this rea…

2. Write proper chemical equations and balance the following reactions a) Write

2.         Write proper chemical equations and balance the following reactions             a)         Write a balanced chemical equation to represent the reaction of solid magnesi…

2. Write the balanced chemical equation and acid-equilibrium expression (Ka) for

2. Write the balanced chemical equation and acid-equilibrium expression (Ka) for the dissociatión of HC2H302 in water. Perform the necessary calculations to determine the expected…

2. Write the complementary DNA strand of the sequence GTAATG (presented here in

2. Write the complementary DNA strand of the sequence GTAATG (presented here in the conventional English form--as should be your answer):                    ______________________…

2. Write the half reactions that occur at the anode and cathode in this electroc

2. Write the half reactions that occur at the anode and cathode in this electrochemical cell. Annotate which half reaction occurs at the anode and the cathode. 3. Write the overal…

2. Write the ions that result from the dissociation of the following in aqueous

2. Write the ions that result from the dissociation of the following in aqueous solutions: a) Na,S b) HBr Pb(NO), d) KHSO, e) NH,Br Write the net ionic equation for each of the fo…

2. You and your lab partner will write out a balanced molecular equation for the

2. You and your lab partner will write out a balanced molecular equation for the reaction of potassium chlorate plus sugar. For this demonstration, your TA is going to heat potass…

2. You and your lab partner will write out a balanced molecular equation for the

2. You and your lab partner will write out a balanced molecular equation for the reaction of potassium chlorate plus sugar. For this demonstration, your TA is going to heat potass…

2. You are given a sample containing three organic compounds: a hydrocarbon (RH)

2. You are given a sample containing three organic compounds: a hydrocarbon (RH), carboxylic acid (RCOOH), and an amine (RNH2, organic compound with acid-base properties similar t…

2. You are interested in receptor protein tyrosine kinases and you are purifying

2. You are interested in receptor protein tyrosine kinases and you are purifying a novel phosphotyrosine-binding to characterize this protein you need to protein (NPBP-1). In orde…

2. You are studying a dehydrogenase enzyme that catalyzes the formation of NADH

2. You are studying a dehydrogenase enzyme that catalyzes the formation of NADH from NAD Subsequent studies determined that NADH will absorb at 340 nm while NAD will not. The exti…

2. You are working for a company that many years ago conducted a number of polyc

2. You are working for a company that many years ago conducted a number of polycon- densation reaction experiments between diol and diacid monomers. You need data on the kinetics …

2. You have been asked to make several NaCI solutions. The formula weight of NaC

2. You have been asked to make several NaCI solutions. The formula weight of NaCl is 58.4 g/mole. Calculate how much NaCl you would need to measure out to make 2 1 of a 12% soluti…

2. You have been asked to make several NaCI solutions. The formula weight of NaC

2. You have been asked to make several NaCI solutions. The formula weight of NaCl is 58.4 g/mole. Calculate how much NaCl you would need to measure out to make 2 1 of a 12% soluti…

2. You have carried out a synthesis reaction and isolated the solid crude produc

2. You have carried out a synthesis reaction and isolated the solid crude product. Scrutiny of its 1H NMR spectrum indicates the presence of an impurity, which you estimate to be …

2. You need to make a solution that has pH of 4.6 from sodium acetate/acetic aci

2. You need to make a solution that has pH of 4.6 from sodium acetate/acetic acid Calculate the needed concentrations if the sum of the molarities of sodium acetate/ac etic acid i…

2. You work for a company that uses propylene dichloride in a process and arrive

2. You work for a company that uses propylene dichloride in a process and arrives in your plant in railcars. During a Management of Change (MOC) review, one of the operators notes…

2. You would like to build an atomic emission spectrometer to measure the two D

2. You would like to build an atomic emission spectrometer to measure the two D lines from sodium with a prism. Given a BK7 prism with a base length L = 2 cm and an apex angle of …

2. You\'ve isolated a novel enzyme, Sadase, that cleaves the substrate Sad into

2. You've isolated a novel enzyme, Sadase, that cleaves the substrate Sad into the product Happy. During your study, you isolate two ligands, Schule and Lehrer. Happy produces a s…

2. [1.5 pts] A certain compound was found to have a GC retention time of 6.5 min

2. [1.5 pts] A certain compound was found to have a GC retention time of 6.5 minutes. Under otherwise identical conditions how would the use of a shorter GC column affected the co…

2. [20] A population of Ladon dragons has a birth rate of 3.3 individuals / (ind

2. [20] A population of Ladon dragons has a birth rate of 3.3 individuals / (individuals x year) and a death rate of 3.2 individuals / (individuals x year). (a) What is r? (b) Bas…

2. [30 points] For each application below, determine if the particular choice of

2. [30 points] For each application below, determine if the particular choice of metal or semiconductor (underlined) is appropriate or inappropriate, and explain your answer. If t…

2. [5 points] If a cube of 1 mm side is divided into 1 nm-sized cubes, the total

2. [5 points] If a cube of 1 mm side is divided into 1 nm-sized cubes, the total surface area will increase by a factor of a. b. 2 x10 c. 6x10 d. 6x10% 8. [5 points] DLS measureme…

2. [5 pts. Figure shows three reactors linked by pipes. As indicated, the rate o

2. [5 pts. Figure shows three reactors linked by pipes. As indicated, the rate of transfer of chemicals through each pipe is equal to a flow rate Q (cubic meters/sec) multiplied b…

2. [5 pts] Consider the voltaic cell shown below: Agls) Cols) NaNO (s) salt brid

2. [5 pts] Consider the voltaic cell shown below: Agls) Cols) NaNO (s) salt bridge Cochloq) (a) [I pts] Given that cobalt is more reactive than silver which electrode Co or Ag is …

2. [Mass Balance in Chemistry] In chemistry we can use a system of linear equati

2. [Mass Balance in Chemistry] In chemistry we can use a system of linear equations to determine the coefficients neces- sary to balance a chemical equation. For example, the comp…

2. [Stoichiometry, combustion] The treatment of a waste stream, containing prima

2. [Stoichiometry, combustion] The treatment of a waste stream, containing primarily of chlorobenzene (C6HsCI), consists in reusing the waste as fuel for a boiler in a plant. The …

2. a) Calculate the amount of water (in liters) that would have to be vaporized

2. a) Calculate the amount of water (in liters) that would have to be vaporized at 40°C (approximately body temperature) to expend the 2.5×10^6 calories of heat generated by a per…

2. a) Calculate the weight change if a full tank of oxygen(M60 aluminum cylinder

2. a) Calculate the weight change if a full tank of oxygen(M60 aluminum cylinder, 1699 liters capacity -discharge at sea level and 20 deg C) is completely emptied.(10 Kg empty wt)…

2. a) Circle the strongest acid : HClO 3...................... HBrO 2 ,.........

2. a)  Circle the strongest acid: HClO3...................... HBrO2,............... HBrO3.................., HBrO4...................., HclO2 b)  Circle the strongest acid: HS-...…

2. a) State and describe any three factors that may affect positively or negativ

2. a) State and describe any three factors that may affect positively or negatively the analytical          utility of molecular fluorescence techniques?           b) Why does the…

2. a)A 1.00 mL. Calibrated pipet was calibrated and found to deliver 1.00 + 0.02

2. a)A 1.00 mL. Calibrated pipet was calibrated and found to deliver 1.00 + 0.02mL An analysis calls for four milliliters of reagent to be transferred to a reaction flask. If the …

2. a. Experimental Procedure. Cite the reason for each of the five cautions in t

2. a. Experimental Procedure. Cite the reason for each of the five cautions in the experiment. 130 b. Experimental Procedure, Part E. How is "bumping" avoided in the preparation o…

2. a. The Talk-A-Lot Cell Phone Company provides phone services for its customer

2. a. The Talk-A-Lot Cell Phone Company provides phone services for its customers. Create an abstract class named PhoneCall that includes a String field for a phone number and a d…

2. a. What effect was observed on increasing the water from 70 to 80% of the sol

2. a. What effect was observed on increasing the water from 70 to 80% of the solvent mixture? I need help with all the questions on this page hfee) in t Jtturate à base rate as po…

2. a. What is the function of the yeast in the fermentation reaction? b. For wha

2. a. What is the function of the yeast in the fermentation reaction? b. For what reason is sodium hydrogen phosphate used in the sucrose fermentation? (Hint: under what condition…