Chemistry concepts and calculations

We can calculate the pH va e at any point during the process of an acid-base tit

We can calculate the pH va e at any point during the process of an acid-base titration. Follow the method presented in Chapter 16 of Chang's Chemistry textbook; try to calculate t…

We can draw three inequivalent Lewis structures for carbonyl sulfide , SCO . The

We can draw three inequivalent Lewis structures for carbonyl sulfide, SCO. The concepts of formal charge andelectronegativity can help us choose the structure that is the best rep…

We can draw three inequivalent Lewis structures for the selenite ion. SeO3^2-. T

We can draw three inequivalent Lewis structures for the selenite ion. SeO3^2-. The concepts of formal charge and electronegativity can help to choose the structure that is the bes…

We can examine the effect of a-amylase on starch with a simple experiment that y

We can examine the effect of a-amylase on starch with a simple experiment that you may have already done. Take a piece of bread or a cracker and chew it. Do not swallow the piece …

We can fairly say any of the following about carbon compoundsexcept that (a) mos

We can fairly say any of the following about carbon compoundsexcept that (a) most carbon compounds are ionic (b) carbon atoms bond easily with other carbon atoms (c) their convale…

We can measure the concentration of HCl solution by its reaction with pure sodiu

We can measure the concentration of HCl solution by its reaction with pure sodium carbonate. Complete reaction with 0.9639 ± 0.0005 g of Na2CO3 required 28.20 ± 0.05 mL of HCl. (a…

We can measure the concentration of NaOH solution by reaction with KHP We can me

We can measure the concentration of NaOH solution by reaction with KHP We can measure the concentration of NaOH solution by reaction with KHP Complete reaction with 0.9674 ± 0.000…

We can observe the differences in energy levels by observing the light that is e

We can observe the differences in energy levels by observing the light that is emitted when atoms are heated. When atoms are heated, the electrons can jump up to a higher energy l…

We can precipitate lead with many anions, including sulfide and sulfate (among o

We can precipitate lead with many anions, including sulfide and sulfate (among others). Using the two equilibrium relationships below, the treatment target (based on the MCL, or m…

We can qualitatively predict the pH of a salt solution. Salts of strong bases an

We can qualitatively predict the pH of a salt solution. Salts of strong bases and strong acids give neutral (pH = 7) solutions. e.g. NaCl is a salt of NaOH (strong base) and HCl (…

We can use a similar hybrid approach to make digital signatures efficiently This

We can use a similar hybrid approach to make digital signatures efficiently This approach combines RSA with a public collision-resistant hash function h-a function that is easy to…

We cannot measure the second electron affinity of oxygen directly: O- (g) + e -

We cannot measure the second electron affinity of oxygen directly: O- (g) + e - ----> O2- (g) EA2=? The oxygen ion can exist in the solid state, but where the high energy requi…

We cannot measure the second electron affinity of oxygen directly: O- (g) + e -

We cannot measure the second electron affinity of oxygen directly: O- (g) + e - ----> O2- (g) EA2=? The oxygen ion can exist in the solid state, but where the high energy requi…

We carried out a solventless aldol reaction reacting 1-indanone and 3,4-dimethox

We carried out a solventless aldol reaction reacting 1-indanone and 3,4-dimethoxybenzaldehyde and adding NaOH. We added HCl the reaction mixture until the solution wasn't basic an…

We completed a lab with the following instructions: Part B: Setting up a standar

We completed a lab with the following instructions: Part B: Setting up a standard curve Part B: Setting up a standard curve 1. Warm up the Spectrometer at 595 nm 2. Set up nine la…

We completed a lab with the following instructions: Part B: Setting up a standar

We completed a lab with the following instructions: Part B: Setting up a standard curve Part B: Setting up a standard curve 1. Warm up the Spectrometer at 595 nm 2. Set up nine la…

We completed the calculator project 2 weeks ago. Here is the second phase: Your

We completed the calculator project 2 weeks ago. Here is the second phase: Your calculator program should now display a menu like this: Choose a calculator: 1) Standard 2) Scienti…

We concatenate CSS and JavaScript files to reduce the number of HTTP requests, w

We concatenate CSS and JavaScript files to reduce the number of HTTP requests, which improves performance. The result is HTML like this: <link rel="stylesheet" href="all-my-css…

We consider a program which has the two segments shown below consisting of instr

We consider a program which has the two segments shown below consisting of instructions in segment 0, and read/write data in segment 1. Segment 0 has read/execute protection (only…

We could also write this reaction three other ways, listed below. The equilibriu

We could also write this reaction three other ways, listed below. The equilibrium constants for all of the reactions are related. Write the equilibrium constant for each new react…

We could also write this reaction three other ways, listed below. The equilibriu

We could also write this reaction three other ways, listed below. The equilibrium constants for all of the reactions are related. Write the equilibrium constant for each new react…

We could find out more information about ths reaction by studying the temperatur

We could find out more information about ths reaction by studying the temperature dependence of the rate constant, k. These same experiments could be carried out at a lower temper…

We could find out more information about ths reaction by studying the temperatur

We could find out more information about ths reaction by studying the temperature dependence of the rate constant, k. These same experiments could be carried out at a lower temper…

We could write: The reason conversation factors work so well in chemistry is tha

We could write: The reason conversation factors work so well in chemistry is that chemical substances have fixed ratios of elements. This is expressed in chemistry using chemical …

We created in class a Person class to represent a person. The class has instance

We created in class a Person class to represent a person. The class has instance variables for a person's name, which is a string, and an integer age. These variables are names an…

We currently have 1 giant EDMX for our corporate database. It, along with all of

We currently have 1 giant EDMX for our corporate database. It, along with all of the generated POCOs, are in a separate project (we'll call it the EDMX project) which we pull in t…

We currently have SVN setup on a remote development server. Developers SSH into

We currently have SVN setup on a remote development server. Developers SSH into the server and develops on their sandbox environment on the server. Each one has a virtual host poi…

We currently have an interface for an asynchronous video decoder that runs on it

We currently have an interface for an asynchronous video decoder that runs on its own thread. Basically you feed it some data and it'll eventually call you back on its thread thro…

We currently have what I believe to be a pretty standard scheme for dealing with

We currently have what I believe to be a pretty standard scheme for dealing with password resets. Our reset links are single-use links: They expire immediately after they've been …

We currently run a Cisco ASA 5510 and a RSA token to authenticate users to our n

We currently run a Cisco ASA 5510 and a RSA token to authenticate users to our network for VPN access. The company is trying to start BYOD but would like to make sure that the PC …

We currently use Review Board for code reviews, but over the last year I\'ve fou

We currently use Review Board for code reviews, but over the last year I've found new releases increasingly buggy. Especially since upgrading to version 2.x, it seems mercurial su…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted Into product molecules per unit time by an enzyme molecule. T…

We define a quantity called the turnover number to be the maximum number of subs

We define a quantity called the turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. T…

We define a quantity called turnover number to be the maximum number of substrat

We define a quantity called turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. The c…

We define a quantity called turnover number to be the maximum number of substrat

We define a quantity called turnover number to be the maximum number of substrate molecules that can be converted into product molecules per unit time by an enzyme molecule. The c…

We define the activity of pure liquids as 1 to define the standard state. Howeve

We define the activity of pure liquids as 1 to define the standard state. However, this is an arbitrary choice. Find the dissociation constant, K, for the autoprotolysis of pure w…

We developed each of the eponymous, historical gas laws by starting with the Ide

We developed each of the eponymous, historical gas laws by starting with the Ideal Gas equation. By recognizing which variable are being held constant and which variables are chan…

We did Friedel-Crafts Acylation on ferrocene and got a mixture; unreacted ferroc

We did Friedel-Crafts Acylation on ferrocene and got a mixture; unreacted ferrocence, acetylferrocene and diacetylferrocene of products of which we separated using column chromato…

We did Knoevenagel-Robinson experiment in organic lab. To check for the product\

We did Knoevenagel-Robinson experiment in organic lab. To check for the product's purity (ethyl 3-coumarincarboxylate), we used the thin layer chromatography technique. We dissolv…

We did TLC and column chromatography separating methylene blue and fluorescein.

We did TLC and column chromatography separating methylene blue and fluorescein. The solvent contained mostly ethanol but also had NaOH, and this NaOH formed SiO- with the silica (…

We did a lab comparing titrated HCl and NaOH with water vs a buffer (Acetic Acid

We did a lab comparing titrated HCl and NaOH with water vs a buffer (Acetic Acid). Based on my calculations, how can I explain the drop in the concentrations of the buffer for bot…

We did a lab comparing titrated HCl and NaOH with water vs a buffer of acetic ac

We did a lab comparing titrated HCl and NaOH with water vs a buffer of acetic acid. Based on my calculations, I was wondering how the explaination question below each calculation …

We did a lab experiment in class and it was about the Chemical Equilibrium - The

We did a lab experiment in class and it was about the Chemical Equilibrium - The Solubility Product of Ca(OH)2. I believe that the answers I have filled in are correct, but I need…

We did a lab to separate iron from aluminum ore. Here is some specifics on it th

We did a lab to separate iron from aluminum ore. Here is some specifics on it that will help answer my question which is at the end... Background: In this experiment you will be g…