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CHE 307 Chemical Engineering Materials Midterm Question
A cylindrical rod of brass originally 10.2 mm (0.40 in.) in diameter is to be cold worked by drawing; the circular cross section will be maintained during deformation. A cold-worked yield strength in excess of 380 MPa (55,000 psi) and a ductility of at least 15% EL are desired. Furthermore, the final diameter must be 7.6 mm (0.30 in.). Explain how this can be accomplished, using cal
In most team sports defense is almost always more difficult to play the offense. Explain why this is
I was doing some questions on my checklist but this one got me stumped.
???In most team sports defense is almost always more difficult to play the offense. Explain why this is by (a) providing a physiological explanation using a (b) labeled diagram of neural pathways.
An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 28.0 pm? Obtain the energy in electron volts (eV). (1 eV = 1.602E-19 J, mass of electron = 9.1094E-31 kg).
Use the following table of progeny phenotypes for 7 different deletions
Deletions can be used to map genes along a chromosome. In order to do this a series of crosses in which one parent is homozygous for a mutant allele is crossed with the other parent that is homozygous for a partial deletion of the region. The progeny are scored to determine whether they have the mutant phenotype ("m") or the wild-type phenotype ("+"). If a mutati
Calculate the molar enthalpy change of neutralisation of potassium carbonate. Assume that all ...
When 2.76g of potassium carbonate were added to 30.0cm^3 of 2.0mol/dm^3 hydrochloric acid, the temperature rose to 5.2°C. Write the equation for this reaction. Calculate the molar enthalpy change of neutralisation of potassium carbonate. Assume that all solutions have a density of 1.0g/cm^3
A developmental psychologist who employs an interactionist model to study human development would ...
A developmental psychologist who employs an interactionist model to study human development would examine which aspects of an individual's development?
I would like to know why the USA is backing up the Free Syrian Army?
Aren't the FSA the bad guys in this whole plot? They have burned down cities, destroyed monuments, murdered Christians, and have forced people out of their villages to say the least.
What's America's role in all this? Syria barely even has any resources, such as oil. Som
A nurse is caring for a patient who has developed stage 1 pressure ulcer in the area of the right ischial tubersoity. which of the following should the nurse plan to apply to the ulcer?
a. nitric oxide b. nystatin c. papain-urea d. polymyxin B
Plant pigments which can absorb light include A) chlorophyll a. B) chlorophyll b. C) carotenoids and phycobilins. D) All of the above. E) A and B only.
A plant species has 12 chromosomes in its diploid set. If you consider genetic recombination, how ma
** A plant species has 12 chromosomes in its diploid set. If you consider genetic recombination, how many different gametes may be produced?
**In a species of plant, a cross between a homozygous blue-flowered plant and a homozygous red-flowered plant yields all yellow-flowered plants. When F1 plants are crossed, phenotypes observed in the F2 progeny are:yellow, red,
Rank each of the six lunar positions from left to right based on the amount of t
Rank each of the six lunar positions from left to right based on the amount of the Moon’s illuminated surface that is visible from Earth, from greatest to least.
Question about logs... View the picture attached and please provide a solution to part B.
I tried to solve part b by using the value of loudness for loud snore from part a. Using the value, I found the intensity of the loud snore. And then used that intensity in a ratio with the less intense snore, and made the ratio equal to 316. From that I got the intensity for the less intense snore. I plugged that intensity into the formula given in the question to find the loudness
Hello! My name is Zhanna. I am twenty. I am from Kazakhstan, Pavlodar. I study at the first course of pedagigical university of my town. I will be a teacher of biology and chemistry. I have lectures on 3 language in education. These are english, kazakh and russian. I would like to improve my english skills and biological knoweleges, that's why I need in
I'm so glad that I found this site!!! I do a lot of the work myself but often question myself so I appreciate this site for the hard work that they put into helping people like me!!! :hey:See ya around!!!!
I can't figure out how to do the punnet square for any of this or what it all means? Can anyone please explain how to understand the solution? Looks like a bunch of letters and numbers to me.
Red-green color-blindness is an X-linked recessive trait in humans. Polydactyly (extra fingers and toes) is an autosomal dominant trait. Martha has normal fingers and toe
Hey! I have some neuronbio questions! HELP is greatly appreciated. 1. What can you say about Neuron 1 and 2? (see attachment 1) a. Larger length constant, larger time constant, and smaller membrane resistance than 2. b. Smaller length constant, smaller time constant, and smaller membrane resistance than 2. c. Larger length constant, a smaller time constant, and
I am an academic lecturer in bioinformatics in Allahabad. How could we run an automation for measuring q value for whole proteome data set of Mgf format.
"tea" made by soaking the stem tips of willows in water overnight and then using
An old gardening folk tradition uses a "tea" made by soaking the stem tips of willows in water overnight and then using the tea to water cuttings. This is supposed to encourage root formation. Does it work? Why?
Does it have to grow bigger or downsize to accomplish its mission?
Since the attacks of 9/11, billions of dollars and countless resources have been committed and expended in the attempt to make the nation more secure. Homeland security is a massive enterprise that gets larger by the moment. What was once mostly a TSA/aviation concern has evolved into a multidimensional operation covering a broad array of disciplines. These include critical infrastr
Which of the following images makes the best argument for recombination?
Alleles of many different genes have been implicated in inheritance of a predisposition to skin cancer. Two are BAP1 located at 3p21and CDKN2a located at 9p21. Consider a man who has two different alleles of BAP1 (call them A and B) and two different alleles of CDKN2a (call them C and D). The man inherited the BAP1A and the CDKN2aD alleles from his mother. From his father
I have been stuck on these three questions for days and i'm not sure where to go to find them, the textbook I have is no help!!! PLEASE HELP!!!!!
1.I need two resons why amending the U.S constitution would be necessary versus passing a law including the Marbury v.Madison case and the U.S Term limits v Thorton case.. I am stuck and my text book is no help.
International Conference “Plant Genome Editing & Genome Engineering”
Welcome to the International Conference “Plant Genome Editing & Genome Engineering”!
Genome Editing and Genome Engineering are revolutionizing Life Sciences and Plant Biotechnology that seek to develop new technologies for the precise manipulation of genes and genomes in cellula and in vivo. In addition to its use for advancing our understanding of basic biology, geno
What is the condition under which an enzyme is defined as having a “ping-pong”
What is the condition under which an enzyme is defined as having a “ping-pong” mechanism? A. Enzyme (or enzyme/prosthetic group) is modified by substrate B. The enzyme has a dissociable coenzyme C. The first substrate on and the last product off show competitive binding D. The reaction is bimolecular E. The two substrates bind i
An AABbccDdEeFF individual is crossed with an individual with the genotype AaBBC
Question: An AABbccDdEeFF individual is crossed with an individual with the genotype AaBBCCDdEeff. What is the probability that their offspring will have the genotype AaBBCcddEEFf?
Can someone help and explain how to figure this out? thanks,
What would you predict is the % solutes in our interstitial fluids? Explain why you chose the answer you chose.