Posts by Julie

Total # Posts: 1,159

chemistry
sorry - i am having trouble posting the rest of my question - information

chemistry
Titrating an acid/base - 1 M. solution of NaOH into HCL. I have to Calculate the molarity of the HCl from the volumes of acid and base at the equivalence point and the molarity of the NaOH. This is what I have: Volume of Acid (HCL) at equivalence point: 25ml Volume of Base (...

chemistry
Okay, I am doing a lab with titration as well. I have read everything here, and have a question for you as well... if that is okay? The hard part for me is that I don't have a prof. to talk to face to face since my whole class is on-line. Anyway... Titrating an acid/base...

Geometry - Proofs
Given: Line cd is the perdendicular bisector of line ab e is on line cd Prove EB=ea

science
do skeletal muscle cells have a lysosome, centrioles, cilia ? I have read a lot of website but these are not mentioned!

bio
do skeletal muscle cells have cilia or flagellum

chemistry
So, if I did everything right, I should end up with 98.21 g and 0.09821 kg (with significant figures)?

chemistry
Should I convert the 1.25 liters to mL?

chemistry
Calculate how much acetone (in grams and in kilograms) needs to be weighed to assure that you placed 1.25 liters of acetone inside a bottle that needs to be shipped to a chemical laboratory. For the density use 0.7857 g/mL.

science
I did this experiment below with 6% molasses, 12%, and 25% molasses solution and I don't know If I should do a bar or line graph. Yeast Populations Student Materials Yeast is a single-cell fungus that produces carbon dioxide as a byproduct of cellular respiration. The ...

research paper
thank you so much

research paper
our team has taken your advice on researching on the internet and libraries, yet we are still unable to find: What benefits have American corporations and the American economy gained through economic involvement with China and India? any help would be greatly appreciated.

research paper
My class is writing a paper on China and India and I cant seem to find these topics. although a communist country, how has china opened its boarders to international commerce? Describe the benefits China and India have gained through their presences in the international ...

Pharmocology
Is this true? Water soluble chemicals tend to accumulate in the sediment in the bottom of rivers.

intergers
sonia has \$235 in her savinings account she withdrawls \$45 dollars, there is now a \$190 left in her accont right?

Math intergers
oh okay that's what i thought just making sure

Math intergers
a rolloercoater begins at 90 feet abouve ground level.then it desends 105 feet, find the height of the coaster after the first descent

pre calc
its 2.4

Math
Thanks

Math
Use distributive property to write each expression as an equivalent expression then evaluate each one 1.3(4+5) 2.(2+8)6 3.4(9-6) 4.8(6-3) 5.5(200-50) 6.20(3+6) 7.(20-5)8 8.50(8+2) 9.15(1,000-200) 10.3(2,000+400) 11.12(1,000+10) 12.7(1,000-50) Any help would be apriceated

science
i was wondering if any one could help me, for the science fair my teacher gave me a project that i am having some trouble with. It is to make a clock powered by water, i have the materials but don't acually know how i should put it thogether, the materials are a medium ...

math help
An engineer is required to survey a nonrectangluar plot of land but is unable to measure side UT directly. The followng data are taken; RU=130 meters, RS=12m ST=90m, angle RST=115, and angle RUT=100. Calculate the length of side UT and the area of the plot. The picture is a ...

Sociology
How does self-concept influence communication?

speech class
I have to do a speech about johnny depp next week in my speech class and i have to make a visual aid. I was wondering if you can give me ideas on what i can put on a poster other than pictures of him. Is there any other visual aids I can try other than posters. As far as the ...

Science
What is an example of a solid and a gas solution

chemistry
What is the is product of Nickel(II) nitrate+sodium phosphate This is what I have: Ni(NO3)2+Na3PO4----> can you help me on the resultant equation please

chemistry
when writing chemical equations, for example, next to oxygen I have to write (g) for gas and next to other different chemicals I have to write (aq) for aqueous. What do I write next to H2O?

calculus
given y = 4x-3 find the minimum value of xy. find the rate of change of xy with respect to x. find the rate of change of xy with respect to y.

calculus
let x^2 + 4xy + y^2 + 3 = 0 are there any points on the curve where the tangent is horizontal or vertical? justify your answer.

US history
1. Andrew Jackson exerted the power of the presidency by a. allowing South Carolina to secede from the Union. b. depositing federal funds in the National Bank. c. refusing to be bound by Supreme Court decisions. d. vetoing the Force Act of 1833. 2. The depression of 1837 had ...

English
Well, the practice test is automatically scored and it keeps telling me I'm wrong. I've entered it as many ways as I can for over a week (I'm practicing twice daily), and I can't get it right!!

English
Thank you, I'll give it a try!

English
At McDonald's, we devoured four Big Macs, three orders of french fries, and five Coca-Colas for lunch.

English
How do you write the following sentence grammatically correct: At mcdonalds we devoured 4 big macs three orders of french fries and five coca colas for lunch.

to mrs. sue english essay
I suggest you focus on the purposes of colleges and universities. You can research this topic. Essentially, though, I think you'll find that their purposes are three-fold: to educate students in the classical sense of being well-rounded educated citizens with a knowledge ...

english essay
Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When filling out the form...

sorry: subject: english essay
the last paragraph is my conclusion

to writ teacher
Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When filling out the form...

essay cont.: mrs. sue
The next step for a student to do is to take all of the information he or she learned in the class, and apply it to his or her future. For example, when one buys a house in the future, it is necessary to take out a loan. To do this, one has to consider interest rates and must ...

to mrs. sue: essay cont.
I wrote two of my paragraphs yesterday about how colleges do offer life skills but students have to apply it. These are my next two paragraphs and i was wondering if you can correct my grammar. An example of a class offered in college that benefits students in their financial ...

essay cont. to Mrs. Sue
I disagree with Petre’s view that colleges don’t help students in real life situations. It is true that colleges mainly focus on teaching students on what’s written in books. However, colleges do offer classes and variety of workshops that help students see the ...

please revise my paragrpah
Caitlin Petre is a graduate from Stanford, a well-known school. She graduated with a 3.90 GPA with a Philosophy degree. One day, Petre went for an interview for a job and she was asked to fill out a W-4 form. While filling out the form, Petre experienced some trouble because ...

integral confusion
integral of Sec[2x]Tan[2x] i know u is sec 2x du=2sec2xtan2x dx what would i have to multiply with du so it would equal tan 2x dx? if my question is confusing, then here's another example of what i'm talking about: integral of (3x-2)^30 dx u=3x-2 du=3 dx 1/3 du=dx (i ...

english essay help
hi,in my english class, we had to read an article about a girl who attended stanford. she went for an interview and had trouble filling out the forms. she thinks that colleges don't offer classes that help kids in real life situations. for example, she thinks colleges need...

Calculus
I am so confused, this is not making any sense

Calculus
Okay so I got q=1000+200x p=20-1x x=weeks R=20-1x(1000+200x) R'=3000-400x Is this right? If so how do I find how much the revenue is rising or falling and at what rate would sales have to be increasing to accomplish \$5000 revenue increase per week?

Calculus
What do you mean in step 2?

Calculus
At the moment OHaganBooks is selling 1000 books per week and its sales are rising at a rate of 200 books per week. Also, it is now selling all its books for \$20 each, but the price is dropping at a rate of \$1 per week. I need to know at what rate OHaganBooks' revenue is ...

math
At 9:30 A.M. Andrew left Exeter for Portsmouth, cycling at 12 miles per hour At 10:00 A.M. Stacy left Portsmouth for Exeter, cycling at 16 miles pewr hour. The distance from Exeter to Portsmouth is 20 miles. At what time did they meet?

Math
It takes a plane 40 minutes longer to fly from Boston to Los Angeles at 525 miles per hour than it does to return at 600 miles per hour. How far apart are the cities?

Economics
I know the Fed uses four tools to influence/or control the money supply of the U.S. 1. Feds Fund rates 2. Open Market 3. Reserve requirements 4. Discount rate Can someone please explain what they are and how the fed uses them. I have a test waiting for me after thanksgiving. I...

Science
I want to know what the lids on the pickle jars that when you open make that popping noise are made of. Can you help me?

ENGLISH
Thank you! :]

ENGLISH
One of her favorite sayings is, “You should always try to be the best that you can be.” Is the above sentence written and punctuated correctly? ^ Thanks! :]

engineerig science
I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...

engineering science
i need names of companies that produce fiber optic cables one company is called Optic Cable Corporation i need help in finding more companies

sorry. there's no particular subject. it's a puzzle question
i kind want to know how to figure this out.

trick question
John, Jack, Joan and Jane are Art Critic, Aviator, Acrobat and Architect, though not necessarily in that order. The aviator, who is happily married, earns more than his sister, the art critic. Joan has never heard of “perspective”, John is a misogynist. Who is the ...

greatest events after 1987
List five events which have occurred after 1987 that you feel have most markedly altered your economic/technical future. i have to come up with five things but i'm stuck. i'm researching on the internet but i can't find anything. telephones and electricity changed ...

what is an engineer
Provide a minimum of 10 characteristics typical of engineers / engineering. (three to five word phrases maximum). These are the ones i came up with so far: Question all results Proceed with contradictory data Study of the human-made world Engineers determine course of action ...

thomas alva edison
thanks for ur opinions

thomas alva edison
I have a list of people where i have to separate them into scientists and engineers and i have one doubt. is thomas alva edison an engineer or scientist. i know he invented light bulb and phonograph. but i was doing a research and he was known as a scientist. i thought people ...

my answer #2
as my total rent, i got 850 dollars. the man will increase the rent by a maxium of 50 dollars. i plugged in 30 into the revenue function and i got 4900. 4900/100 is 49 dollars per unit. i rounded 49 to 50.

please chech my answer optimization
The manager of a 100-unit apartment complex knows from experience that all units will be occupied if the rent is \$400 per month. A market survey suggests that, on the average, one additional unit will remain vacant for each \$5 increase in rent. What rent should the manager ...

maximizing profit calculus
During the summer months Terry makes and sells necklaces on the beach. Last summer he sold the necklaces for \$10 each and his sales averaged 20 per day. When he increased the price by \$1, he found that he lost two sales per day. a. Find the demand function, assuming it is ...

please correct grammar in my paragraph
but if there is no author.

please correct grammar in my paragraph
The critics of power plants are right: The amount of radiation power plants release is dangerous. However, people don’t realize that they are constantly exposed to radiation by various ways. One can get exposed to radiation of 350 millirems from just standing in the sun ...

bibliography
I'm writing an essay and I know after a quote, you write the author's name in parenthesis. however, i'm using a quote from a website, the article doesn't have an author. it is a website that just states statistics about my topic and issues and problems. so what...

essay cont.
A common argument made against Diablo Canyon is its effect on people’s health and safety in the community. The purpose of Diablo Canyon and other power plants is to produce electricity and energy by fuel and heat. This heat is produced by using chemicals called uranium as...

please revise my two paragraphs of my essay
Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among communities, especially in ...

intro of my essay
Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among communities, especially in ...

English: DEBATING!
Thanks for all the help, I really appreciate it!!!

English: DEBATING!
Hi I need help I am finding my topic quite difficult. I am the 1st speaker for affirmative team with the topic: That in life there are more snakes than ladders." Its a difficult research/investigating topic, so I'm not sure what to say, and how to do my research. ...

continued
so basically i need a solution on how to reduce the danger of power plants in the environment and opinions of people who would oppose my view such as people working in the power plant. like they want to keep their jobs maybe???

essay info help
i'm doing an argument essay on why power plants should be shut down my college is like ten miles away from this power plant so it a very big issue in my town and i want to argue against power plants. i wrote down all my arguements, but i need help coming up with solutions ...

absolute maximum
absolute maximum of (x^2-4)/(x^2+4) the critical numbers i got was x=0,-2.59, and 3.09 the absolute minimum is f(0)=-1 what is the absolute maximum: is it both f(-4)=(f(4))=.6? or can there only be one

AP Chemistry
Finish the equation: Solutions of zinc sulfate and sodium phosphate are mixed

essay question
i'm doing an argumentative essay about how hazing for fraternities is dangerous. do sororities have hazing too or is it only fraternities/

please everyone post opinions. everyone is welcome
is it wise to plan your life for next twenty years now? i'm asking opinions from people for my project so i will appreciate if you please participate. To start off, this is my answer: i think it is wise because have broad plans in goals in life will give an idea to people ...

writing
im writing an essay about the analysis of the origins of the american revelution. what would be a good thesis?

math
hello, i have some question about rational functions. 1) are there any sites that are good in teaching graphing rational functions? 2) for the domain of the rational function it is what the denominator cannot equal to rite? for example the denominator of x^2-7x+10 can be ...

days of the week
i'm choosing classes for my college and i know M is monday T is tuesday W is wednesday F is friday But what is TR and R. Is TR thursday

my topic. students, please post ur opinion too.
hi i need help coming up with topics for my argumentative essay. we can't write about topics such as abortion and gay rights and marriages like that. my teacher said to pick local issues in our town to write about. but there are no topics in my town to write about. should ...

essay intro repost
Biomedical engineering is a field that saves peoples’ lives by using advanced technology in medicine. Being a biomedical engineer requires being good at solving problems in biology and medicine. Engineers design new devices and instruments which they can use to do ...

essay intro
Biomedical is a field that saves peoples’ lives by using advanced technology in medicine. Being a biomedical engineer requires being good at solving problems in biology and medicine. Engineers design new devices and instruments to help them do research or develop new ...

ENGLISH
Thank you! :]

ENGLISH
I wasn't sure if the comma should be there or not...

ENGLISH
Through their guidance and love, they have changed me in many ways. Is the above sentence grammatically correct? Thanks! :]

physics help
Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N

financial management
A treasury bond that matures in 10 years has a yield of 6%. A 10 year corporate bond has a yield of 9%. assume that the liquidity premium on the corporate bond is 0.5%. What is the default risk premium on the corporate bond?

phy.
Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -force= GMm/d^2 would i set it up like force= (9.8m/s^2)(300 N)? an astronaut lands on a planet that has twice the mass as earth and twice the diameter. how ...

phy.
check my understanding please. Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N an astronaugt lands on a planet that has twice the mass as earth and twice the diameter. how does the ...

Math
Evaluate 3 1/4x for value of x. question: x=-3

algebra
I need help with a couple of math problems. subtract 5m^2+2m+9 from 7m^2-5m-8 simplify (m^4)^3(m^2)^9/(m^3)^2

math
It said 0.75 (or 3/4), which is a very common fraction, so she had probably seen it before. Is that what you mean?

ENGLISH
Is this sentence grammatically correct? I have had my ups and downs, my triumphs and my failures. It isn't a homework problem or anything; I am writing an autobiographical essay and I wasn't sure if this was correct or not... THANK YOU! :]

math
I'm not sure I'm following the question but I know that 4 will give you the same perimeter and the same area. If each side of a rectangle is 4, then 4+4+4+4=16 (perimeter). 4x4=16 (area)

Math
can someone please answer this quetion 25= y - 4 What does y stand for, the line in the middle of y and 4 means to divide

social sudies
i just did this in school today surplus means an amount or quantity beyond what is needed for immediate use

Scientific notation
what does 5.2 x 10^1 equal

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