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We have a mixture of 10%mol acetone (1) and 90%mol chloroform (2) at 1.0 atm and

We have a mixture of 10%mol acetone (1) and 90%mol chloroform (2) at 1.0 atm and 50 C. We heat the mixture to 63 C. What are the partition coefficients K1 = y1 / X1 and K2 = y2 / …

We have a multilingual website in which a bug was discovered some days ago. It w

We have a multilingual website in which a bug was discovered some days ago. It was displaying other language data in other language and also the mixture of data like English langu…

We have a natural gas power plant that produces 2.38TJ of electricity in one day

We have a natural gas power plant that produces 2.38TJ of electricity in one day. As an innovative engineering student you want to propose a change from this fossil fuel plant to …

We have a network that has 10.45.12.1 as one of its nodes. We want to perform su

We have a network that has 10.45.12.1 as one of its nodes. We want to perform subletting on this network with the following mask: 255.255.192.0. Define the number of subnets, numb…

We have a network that has 10.45.12.1 as one of its nodes. We want to perform su

We have a network that has 10.45.12.1 as one of its nodes. We want to perform subletting on this network with the following mask: 255.255.192.0. Define the number of subnets, numb…

We have a new developer on our team. He seems to be a smart guy (he just came in

We have a new developer on our team. He seems to be a smart guy (he just came in so I cannot really judge). He started with implementing some small enhancements on the project (MV…

We have a nickel, a dime and a quarter in a cup. (a) We withdraw one coin. What

We have a nickel, a dime and a quarter in a cup. (a) We withdraw one coin. What is the expected amount of money we withdraw? What is the variance? Now we draw a second coin, witho…

We have a nickel, a dime and a quarter in a cup. We withdraw one coin. What is t

We have a nickel, a dime and a quarter in a cup. We withdraw one coin. What is the expected amount of money we withdraw? What is the variance? Now we draw a second coin, without r…

We have a not for profit curriculum that a few schools are starting to use for t

We have a not for profit curriculum that a few schools are starting to use for their students. We need a website that will enable teachers to download the course materials, share …

We have a phosphoresent tube with a potential difference between the two ends. I

We have a phosphoresent tube with a potential difference between the two ends. It has allowed the gas inside to ionize. There are He+2 and He+1ions present as well as electrons. I…

We have a phosphoresent tube with a potential difference between the two ends. I

We have a phosphoresent tube with a potential difference between the two ends. It has allowed the gas inside to ionize. There are He+2 and He+1ions present as well as electrons. I…

We have a polyethylene (C_2H_4) sample containing 4,000 chains with molecular we

We have a polyethylene (C_2H_4) sample containing 4,000 chains with molecular weights between 0 g/mol and 5,000 g/mol, 8,000 chains with molecular weights between 5,000 g/mol and …

We have a population of 400 animals that are being selected and bred for their g

We have a population of 400 animals that are being selected and bred for their genotype at a specific locus. Animals are only bred to other animals with the same genotype at that …

We have a population of snakes. They are either all black or black with red stri

We have a population of snakes. They are either all black or black with red stripes. We make the following crosses to help us determine the gene interaction: A cross between the s…

We have a population of snakes. They are either all black or black with red stri

We have a population of snakes. They are either all black or black with red stripes. We make the following crosses to help us determine the gene interaction: 1. A cross between th…

We have a population of snakes. They are either all black or black with red stri

We have a population of snakes. They are either all black or black with red stripes. We make the following crosses to help us determine the gene interaction: A cross between the s…

We have a population that is found on three islands, as indicated in this drawin

We have a population that is found on three islands, as indicated in this drawing: For each island: p= allele frequency of A1 c=proportion of the total population in this island (…

We have a program core consisting of five conditional branches. This program cor

We have a program core consisting of five conditional branches. This program core is part of a larger application program and will be executed thousands of times. Below are the ou…

We have a program that has three parallel arrays: barcode (an array of integers)

We have a program that has three parallel arrays: barcode (an array of integers), description (an array of strings) and price (an array of doubles). The maximum size of the arrays…

We have a pumping system that handles dirty fluids with sticky soft particles. F

We have a pumping system that handles dirty fluids with sticky soft particles.  For this reason, we are using semi-open impellors on our centrifugal pumps. Our company performs a …

We have a random DNA sequence, and we want to find the closest species to it. s

We have a random DNA sequence, and we want to find the closest species to it. s the DNA sequence more similar to human, mouse, or unknown? When could this kind of comparison be us…

We have a rather conventional Windows shop with MS Server 2003 and corresponding

We have a rather conventional Windows shop with MS Server 2003 and corresponding Exchange services at a single site. We have some offsite (travelling laptops, stationary workstati…

We have a rather large cube of ice, which, of course, will melt locally when the

We have a rather large cube of ice, which, of course, will melt locally when the local temperature reaches 0 degree C. Initially, all the ice is at -20 degree C. At the beginning …

We have a relation, where each record is an \"itemset\" and shows all the weathe

We have a relation, where each record is an "itemset" and shows all the weather phenomena of a particular day (as a "transaction" in the market basket model). Suppose we discover …

We have a requirement for 2-factor authentication for our internal WiFi SSID\'s.

We have a requirement for 2-factor authentication for our internal WiFi SSID's. Currently we use PEAP w/ MS-CHAPv2 to pass windows creds through the AP to a RADIUS server (A Domai…

We have a research project with idea->prototype->statistics development cycle. A

We have a research project with idea->prototype->statistics development cycle. Anyway, our final product is a prototype, so the statistics collection suite is not used persi…

We have a rod made of a certain metal. The rod’s length is L = 1.8 m and has a c

We have a rod made of a certain metal. The rod’s length is L = 1.8 m and has a circular cross section with radius r = 3.2 mm. If we hang the rod vertically and hang a mass of m = …

We have a rule that says Ms / P = Md / P where Ms is the amount of money in the

We have a rule that says Ms / P = Md / P where Ms is the amount of money in the money supply and Md is the amount of money demanded for investment. I have a question in my book wh…

We have a series RC circuit. (R is 4000 ohms, C is 25 microfarads). the capacito

We have a series RC circuit. (R is 4000 ohms, C is 25 microfarads). the capacitor is initially uncharged when the switch is closed connecting an 18V battery. Calculate the charge …

We have a set of servers hosted at a tier-1 provider, and they are currently beh

We have a set of servers hosted at a tier-1 provider, and they are currently behind a VPN running on a gateway machine and not accessible to the open internet. Due to VPN instabil…

We have a shared webserver which is being monitored constantly by our ZABBIX age

We have a shared webserver which is being monitored constantly by our ZABBIX agent. On some hours of day we have unusual TCP traffic on port 80. Lets say we have over 400 connecti…

We have a single-page web application, and we have a new SSO site (also our own)

We have a single-page web application, and we have a new SSO site (also our own) using OAuth2, and are looking to hook them up. On our production/staging/CI deployments, it's easy…

We have a situation where we get a designated drop location on a client\'s serve

We have a situation where we get a designated drop location on a client's server for static content we develop that they in turn use in their application. Think single page applic…

We have a small magnet with a magnetic moment of m = 0.1 Am2 (remember: magnetic

We have a small magnet with a magnetic moment of m = 0.1 Am2 (remember: magnetic moment is defined as m = IA). N = 100 circular loops of a single wire. A single loop has a radius …

We have a solution of protein that has a concentration of 0.25 mg/ml. a.We need

We have a solution of protein that has a concentration of 0.25 mg/ml. a.We need 20 g of the protein for an experiment. What volume of the protein solution do we need? b.Suppose we…

We have a solution of protein that has a concentration of 0.25 mg/ml. a.We need

We have a solution of protein that has a concentration of 0.25 mg/ml. a.We need 20micrograms of the protein for an experiment. What volume of the protein solution do we need? b.Su…

We have a spring of negligible mass hanging from the ceiling, initially in its e

We have a spring of negligible mass hanging from the ceiling, initially in its equilibrium position. Then we hang a mass from it and the mass and spring start oscillating. At the …

We have a standard (x,y) coordinate system on the page and two long straight wir

We have a standard (x,y) coordinate system on the page and two long straight wires perpendicular to the page . One wire located at the origin has a 30 amp current into the page. A…

We have a stick of unit length, and we consider breaking it in three pieces usin

We have a stick of unit length, and we consider breaking it in three pieces using one of the following three methods. (i) We choose randomly and independently two points on the st…

We have a symmetric encryption algorithm E K (M)=C. Here K is the secret key, M

We have a symmetric encryption algorithm EK(M)=C. Here K is the secret key, M is the plaintext, and C is the ciphertext. We (and the attacker) know that the key length is 192 bits…

We have a system that include a temperature sensor, a system that amplifies the

We have a system that include a temperature sensor, a system that amplifies the sensor's signal, and finally a system that converts the signal and stores it. All of the components…

We have a table, which is named History as follows: 1. Write an SQL SELECT state

We have a table, which is named History as follows: 1.      Write an SQL SELECT statement to list the contents of the table in order of birthdate. 2.      Write an SQL SELECT stat…

We have a two independent random variables X and Y with mu_x = 50 and sigma_x =

We have a two independent random variables X and Y with mu_x = 50 and sigma_x = 5 and mu_Y = 60 and sigma_y - 10 If P(50 - a X 50 + b) = 0.815, find a and b What is the probabilit…

We have a u-shaped conducting track on its side with the open part of the \"U\"

We have a u-shaped conducting track on its side with the open part of the "U" the left A vertical 0.75 meter conducting bar is to slide left or right on the track There is magneti…

We have a u-shaped conducting track on its side with the open part of the \"U\"

We have a u-shaped conducting track on its side with the open part of the "U" the left A vertical 0.75 meter conducting bar is to slide left or right on the track There is magneti…

We have a unknown peptide .. One aliquot is treat with cyanogen bromide. Given t

We have a unknown peptide .. One aliquot is treat with cyanogen bromide. Given the (N-terminal to C-terminal) make the original peptide. Trypsin treatment Cys—Tyr—Asp—Met—Trp—Ile—…

We have a very big application written in C++ using the MFC framework (millions

We have a very big application written in C++ using the MFC framework (millions of code lines). No need to say that it's a legacy system, but it's also heavily maintained and upda…

We have a very large, 10 year old LAMP (Linux, Apache, MySQL, PHP) web applicati

We have a very large, 10 year old LAMP (Linux, Apache, MySQL, PHP) web application that is out of control and poorly written due to a large number of patches and possible hundreds…

We have a very long train car moving in the positive x-direction with a speed of

We have a very long train car moving in the positive x-direction with a speed of 9.95 m/s relative to the ground. At t = 0, a person on the train car is moving in the positive x-d…

We have a water supply of neutral pH with lead Pb2+ and magnesium Mg2+ in the wa

We have a water supply of neutral pH with lead Pb2+ and magnesium Mg2+ in the water supply. The concentration of the Pb2+ is .010M and the concentration of the Mg2+ is .010M. Usin…