Posts by Angie
Total # Posts: 1,429
I have a method using HPLC (high performance liquid chromatography). It states that a 4.6 x 150mm,3um column should be used. (stationary phase : octadecylsilyl silica gel). I have a 4.6 x 100mm,2.7um column, silica-based, bonded-phase (non-polar) column. Can you advise if ...
math (please help)
Let r= 3-3 sin θ How do I test for symmetry θ = π/2?
Is there a formula used to calculate this problem, or should I only look at the table in my book?
when you are writing subject lines for negative messages to peers and subordinates: a) put the topic, but not your action on it, in the subject line. b)put the topic, including your action on it, in the subject line. c)do not include the topic on the subject line. d)describe ...
Posted by angie on Sunday, September 25, 2011 at 4:48pm. Is the change in trade name of a material considered a "like-for-like" change? General-English - Ms. Sue, Sunday, September 25, 2011 at 4:52pm Please explain what you mean by a "like-for-like" change ...
Is it an equivalent (i.e. identical?"? For example, if I change an old piece of equipment with a new piece which has exactly the same specifications as the old one, then it is an equivalent change. In this case, I think it is not an equivalent change?
Is the change in trade name of a material considered a "like-for-like" change?
if two lighting volts heat exactly same place at the same time in are frame of ref,it is possible that observes in other frames will see the volts heating at def. time or diff. places? explain
if two lighting volts heat exactly they same place at they same time in are frame of ref.,it is possible that observed in other frames will see the volts heating at diff. time r at diff. places????? explain.
U=(a,b,c,d,e,f,g,h,i,j,k) A=(a,c,d,f,g,i) B=(b,c,d,f,g) C=(a,b,f,i,j) Determine the following A'square B'
A particle travels along a straight line with a speed = (0.50 -7 ), where is in seconds. Determine the acceleration of the particle when = 2 .
One difference between tragedy and comedy is that tragedy A. uses supernatuarl elements B. usually features an extraodinary hero. C.makes us laugh at ourselves,not others. D. uses metaphors and analogy to make its point
The Short Story Part 2
The Short Story Part 2
In a "Pair of Silk Stockings",the silk stockings are a symbol of? A.Mrs. Sommers's inability to handle money. B.Mrs. Sommers's lack of concern for her children. C.Mrs. Sommers's selfish needs. D.Mrs. Sommers's desire for attention.
How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? Which reactant is the limiting reagent?
Water covers approximately 11,800 mi squared of Florida, which is about 18% of Florida's area. What is the total area of Florida to the nearest thousand square miles?
jim bought a pair of shoes for $50 and laces for $1. if the sales tax is $7, how much tax must he pay?
A separate blueprint for the ramp uses a scale of 1cm : 25cm. The height of the ramp on the blueprint is___ cm.
7-3 (x-5) thxs
7-3 (x-5) thxs
Paid 55.00for landscaping property. Used cash. Journalize
Which equation shows conservation of mass and charge? A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH → Li2SO4 + H2O D. Cu + 2Ag+ → Cu2+ + 2Ag It's either b or d, since they both have two elements with an oxidation number of 0. Which ...
Which sociological perspective holds the view that people create their social worlds through interaction and manipulation of symbols? (Points : 1) functionalist conflict interactionist global
Set up (do not evaluate) the integral that gives the surface area of the surface generated by rotating the curve y=tanhx on the interval (0, 1) around the x-axis. Anyone who can help? Not really sure how to even begin! Thanks
If a pizza with a diameter of 12 inches costs $10.99 , based on area, how much should a 15 inch pizza cost?
1. Select the sentence that is punctuated correctly. (Points : 1) Paloma did not make it to work for, her car broke down on the freeway. Paloma did not make it to work for her car, broke down on the freeway. Paloma did not make it to work, for her car broke down on the freeway.
This is a thank you letter to a company. Please check it and let me know what you think. If I need to change something or its just fine. Check for any errors. Thank you very much for taking the time to meet with me on April 14 regarding the position of Administrative Assistant...
Dear Mr. Kimball: Would you be interested in owning one of the most important books collection in our nation history? American Literature Masterpieces is a collection being published by the American Literary Association. The collection consists of 125 volumes of the greatest ...
Please read and check for any errors.Let me know what I need to change or add. I was debating whether ot not I suppose to underline American Literature Masterpieces.Thank you so much. _______________________________________ Would you be interest in owning one of the most ...
The ratio of the number of postcards john had to the number of postcards Zachary ha d was 4:9. Zachary had 45 more postcards than John. After giving some postcards to John, Zachary had 6/7 as many postcards as John. (A) How many postcards did Zachary have in the beginning? (B...
HCS/325 HEALTH CARE MANAGEMENT
How will ethical issues alter your way of conducting change in the organization
please help the multiple choice answers do not match problems! 15-3+2-9 choices 0, 2, 4, 8 16+4divided by 2+9 choices 4, 11, 13, 21
this is multiple choice but 5 is not a choice they are 0, 2, 4 or 8
what is the value of this expression 15 - 3 + 2 - 9
austin community college
how many outcomes are there in an experiment consisting of rolling three dice followed by tossing a coinonce?
Wouldn't it depend on where it started and finished? If it makes exactly one round, the displacement is zero. well i think it would be zero i don't know.
it actual postal say distance not displacement and i don't know even the answer
How many two-digits multiples of 3 are factors of 144?
Bill and Rosa have only nickels and dimes. Rosa has 75 cents and Bill has 90 cents. Each has the same number of coins and Bill has the same number of dimes as Rosa has nickels. How many nickels does Rosa have?
CONTRAST TWO THEORIES OR PERSPECTIVES FROM LATE STAGE ADULT DEVELOPMENT
math !!!! :O
Principal: $1,610 Interest rate: _______________ Time: 4 years Simple interest: $450.80 fill in the blank
When 1.70 mol CO2 and 1.70 mol H2 are placed in a 0.850 L container at 395 C, the following equilibrium is achieved: CO2(g) + H2(g) = CO(g) + H2(g) If Kc = 0.802, what are the concentrations of each substance in the equilibrium mixture?
Which city-state was better: Sparta or Athens
During 400-600 B.C.
What were some pros and cons about the Athens, for men and women
between trips, down
do a common go between trip,do At this time, Do I suppose to put July 10 th, July 12th, August 2nd, and August 9th.
Please check for any errors and correct them for me. Enclosed is the information you requested concerning our float trips down the Colorado River in the Grand Canyon. All departure dates and prices for the various trips are listed in our booklet. At this time the trips leaving...
was to were
continue to continuing
Ok lol. As you know, According to our initial investigation,
O ok I got you yes I understand. You are right about that
I don't know it just seem like it should.
To an initially evacuated 50.0L container maintained at 155C were added 3.20g of gaseous xenon and 4.00g of gaseous fluorine. A spark was used to initiate reaction between xenon and fluorine, and gaseous xenon hexafluoride was the sole reaction product. What was the pressure ...
i need help on probability in math
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.
You are a new administrator at a hospital, the icu & er are suffering a shortage of respiratory therapists, you need to gather information for a meeting with them, what information do you need before the meeting? develop a tactical plan, what are the major issues? how does it ...
How much vinegar at 5% acetic acid concentration would be required to neutralize 100mL of 0.01 M NaOH? (Assume a density of vinegar to be 1.01g/mL)
· Identify two different points of view for the topic from the list in Appendix B that you have chosen. Choose the point of view you will use in your paper and explain why you have chosen it.
i am greater than 30 and less than 40. the sum of my digits is less than 5.
if a tape is wound around a cylinder at a rate of 1 rad/s for a half hour, if each rotation deposits one layer of tape and if the final difference between inner ad outer radii of the winding in one cm, what is the thickness of the tape?
Jamal is fencing a rectangular field that measures 37 ft by 27 ft. How much fencing should he buy?
I think its D :)
A 2.50X102 g sample of an unknown hydrocarbon contains 3.28X101 g of hydrogen. How many moles of carbon does it contain?
what is the empirical formula for a compound whose molecular formula is C2Cl6
total profit made by McDonalds in 2002.
If i have 3 different uncertainties how do i get the average uncertainty of the three? For example ±.3 , ±.2 , ±.3 how do i find the average uncertainty of the three?
This is Geometry homework 7x+2y=10
following hipaa regulations
I really need help... You are on a treasure hunt and your map says "Walk due west for 52 paces, then walk 29.0° north of west for 39 paces, and finally walk due north for 25 paces." What is the magnitude of the component of your displacement in the following ...
hey mimi what was your final answer? i have a similar problem and im trying to see if my answer is wrong or not.
AP English Lit.
So I'm doing an essay about the Mosque and being built near Ground Zero, but I have no idea on how to start my thesis. My opinion, to me, I don't really care because people are entitled to their opinion, which it should be built or not. Any ideas?
not 100% sure, but i feel like both maybe correct?
How many mole of carbon are needed to react with 60 mol of sulferdioxide?
how do you distinguish between a management, non-training and training issue? What are some examples of each type of issue?
Line segment XY has a midpoint of L. 1/3XY = 3. What is the midpoint of XY?
what molarity does a solution with 17.1 grams of sugar and 500 mL of distilled water have?
midpoint of L. 1/3XY = 3. What is the midpiont of XY?
Hello, I am in spanish 2, and we are studing indirect/direct object pronouns and preterite tense. We were supposed to write a paragraph on what we did this weekend. I was wondering if someone could look over my paragraph and see if there are any errors. Thank you! Ú...
6th grade science
if answered what happens um but idk the answer to this question anyway so ya.
Solve: 2 - |1-x| < 1 thanks!
Given a data set with the mean = 44 and the standard deviation = 15, what is the value of the Third Quartile?
Speedy Sue, driving at 30.0 m/s enters a one-lane tunnel. She then observes a slow-moving van 155m ahead traveling at 5.00 m/s. Sue applies her brakes but can accelerate only at -2.00m/s/s because the road is wet. Will there be a collision? If yes, determine how far into the ...
Thank you Dr. Bob. You were correct in your assumption. I had been staring at that problem for too long...It's very simple now that I see your solution. Thanks again for your help!
I need help with a concentration question. I need to know how to calculate the product with the higher concentration. $6.50 for 185 mL and the concentration of the active ingredient is 0.005% OR $7.00 for 165mL and the concentration of the active ingredient is 0.700%. I need ...
Write a 350- to 700-word summary indicating the ways that this memo should be changed based on its audience. In the summary, identify how and why the audience affects the style of communication. Include the following:
Have you ever use mnemonics to remember something complicated? What way you might you use mnemonics to be a more effective college student and adult learner..
Communication and Gender Studies
Thanks for the suggestion! :)
Communication and Gender Studies
Find one or two distinctly male or female characteristics, gender related either masculine or feminine and then explain how this idea is perpetuated in society.
One difference between tragedy and comedy is that tragedy A. uses supernatuarl elements B. usually features an extraodinary hero. C.makes us laugh at ourselves,not others. D. uses metaphors and analogy to make its point.
You are a sociologist who uses the conflict perspective to study various aspects of our society. How do you think you would interpret the practice of prostitution? Contrast this view with the functionalist perspective. Do you think your comments would differ if you took the ...
Of the different forms of social structure described by Durkheim, Tonnies, and Lenski, which comes closest to matching your social setting? Use the following terms in your explanation: status, role, primary group, and secondary group.
Write a 700- to 1,050-word paper in which you analyze the ethical and deviant behaviors in policing. Complete the following in your paper: o Define ethics. o Describe the nature of ethics and their role in policing. o Identify the ethical standards in policing. o ...
What are the differences between job-cost and process-cost systems? When would it be appropriate to use each type of system? How does each system affect the cost of a product?