# Posts by Student

Total # Posts: 866

**chemistry**

I asked this before, but got no response. A) If you make up a solution of 250 mL of 0.1 M TRIS in the acid form, what will be the pH? B) If you add 2 mL of 1 M NaOH to the solution in part A, what will be the pH? Thanks.

**Chemistry**

An element, M, reacts with oxygen to give an oxide of formula M3O4. A sample of M of 257 mg is placed in a 500.0 mL vessel containing oxygen at 0.991 atm and 23.0°C. After cooling the vessel back to the original temperature, the pressure was 0.813 atm. Calculate the molar ...

**biology**

How does the pressure reading of water vapor differ from that of a gas like oxygen or nitrogen? is it because its fractional while oxygen and nitrogen is functional?

**Chemistry**

Calculate the entropy change of the universe (in J/K) when 43.4 g of ethanol vapor is condensed in a laboratory at 20.4 oC. Report your answer in scientific notation to three significant figures. If something is condensed, does that mean the system gaines heat, or the ...

**Biology**

I know this is a difficult question, and its an answer that is not likely on google, but I'm just wondering what a T-bar ribbon is, in terms of synapses and biology (not the type of sandal). The answer doesn't have to be detailed, I just simply would like to know what ...

**English**

please help what is the best way to introduce to yours classmate?

**HELP WRITING A COLLEGE ESSAY!**

Hi! For one of my college essays I have to write a 300 word essay on how "the world is better with the computer chip". I just needed some help making an outline.. I know in the intro I should probably state the revolutionary things it has done (need help finding ...

**Environmental Science**

Develop three guidelines based on the four scientific principles of sustainability for our use of genetic engineering and synthetic biology to modify species and ecosystems. I know the four scientific principles are: 1) Reliance on solar energy 2) Biodiversity 3) Nutrient ...

**Finanacial accounting**

and it says in the back of the book the inventory is 55902 cost. how did they get that?

**Finanacial accounting**

I am having touble how to work with the retail inventory method to estimate the companies year end inventory. i have the following information but i just do not see it with even the example in the book. It is in a 5x3 matrix of colimns and rows. what is in the parenthesis is ...

**Biology**

try g_o_o_g_l_e

**history**

I think the seminoles.

**Essay $6! GRADE ME PLEASE!**

I understand..I guess i'm going to have to spend a lot more time on this... It's due in 3 days so.........wish me luck. You'll probably seeing a lot more revisions to come.

**Essay $6! GRADE ME PLEASE!**

Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the ...

**Java**

Do you know what this program is called? (asking)

**English Question #1**

a)Write about your academic interests and the personal or academic experiences that have led to or nurtured those interests. What did you enjoy learning about in high school either through your classes, extra curricular, leisure activities or your involvements in the community...

**Essay Revision #6! GRADE ME!**

Oh yea! I forgot, but I need to somehow take 15 words off of this essay to fit the 500 words or less criteria. Please tell me which sentences I could condense, or which words I could take out please!

**Essay Revision #6! GRADE ME!**

Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the ...

**college essay**

Check the individual colleges, many of my essays are required to be less then 500 words, and in some cases less then 200.

**English**

In conclusion, I believe the University of Maryland offers a wonderful opportunity for me for me to experience a mix of quality education and a richly diverse environment. At the University of Maryland, I expect to be involved in a wide variety of clubs and organizations on ...

**Essay#4 CONCLUSION**

In conclusion, I believe the University of Maryland offers a wonderful opportunity for me for me to experience a mix of quality education and a richly diverse environment. At the University of Maryland, I expect to be involved in a wide variety of clubs and organizations on ...

**Management of Information Systems**

Copy and paste the essay into "Notepad", and then copy and past again into the text box. It should work.

**health**

It depends to what extent..for an athlete, it would be a totally different question then for an average joe..

**SCI 275**

If you would post your answer, someone will correct/verify it. I don't think anyone will be willing to write it for you.

**Essay #4**

do you think I answered the question fully?

**Essay #4**

1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the balcony of my grandparents’ house in India, I watched the ...

**English Easy Question!**

What are some ways to say "As" in an essay. Example: As I stood watching the march, I heard the gentle tolls of the church bell.

**Newester Essay**

1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the balcony of my grandfather’s house in India, I watched the ...

**Newest College Essay**

1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? The Indian students were unaware of me standing on the balcony, watching them with ...

**English College Essay**

1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? The students were unaware of me standing on the balcony, watching them with ...

**English 12**

thanks, ill finish this and repost. i wanted to develop those experiences into how i would help their community. i should be done in less then 30 minutes if youre still on then

**English 12**

We had to write a sample college essay; how will your diversity help the college campus? Here is my first two paragraphs: The students were unaware of me standing on the balcony, watching them with interest as they walked back from school on the narrow dirt path road. Their ...

**Ap Calc AB**

Find the equation of the line normal to the curve at (0,0). (Normal lines are perpendicular to the tangent lines) 2y + sinx = xcoxy I found the derivative to be (cosy - cosx)/ (2+ xsiny) then the slope tangent is 0...then the slope perpendicular is undefined...so then is the ...

**Ap Calc AB**

Find the equation of the line tangent to the curve at (5, -3) (x-2)^2 + (y+3)^2 = 9 I solved the derivative to be dy/dx = ((-2x+4)/ (2y+6)) when i plugged in the points (5, -3) I got the slope as -6/0...How is this possible?? How can i find the equation of this curve if the ...

**Ap Calc AB**

Determine (dy/dx) using implicit differentiation. cos(X^2Y^2) = x I'm really confused what to do now..i think the next steps are: d/dx [cos(X^2*Y^2)] = d/dx [x] = -sin(X^2*Y^2)* ((X^2*2Y dy/dx) + (Y^2*2X)) = 1 = -2YX^2 sin(X^2*Y^2) dy/dx + -2XY^2sin(X^2*Y^2) = 1 = -2YX^2 ...

**Physics**

A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an angle of 25.0° ...

**Physics**

A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an angle of 25.0° ...

**Physics**

thank you very much!!!

**Physics**

A uniform plank of length 5.1 m and weight 235 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 458 N walk on the overhanging part of the plank before it just begins to ...

**Physics**

hold on how do i find the mass of the planet?

**Physics**

A satellite has a mass of 5750 kg and is in a circular orbit 3.6 * 10^5 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.20 * 10^6 m. What is the true weight of the satellite when it is at rest on the planet's surface? Ok...

**Physics**

Actually the answer i put up was correct. I was just shocked because the wheel seemed to be so small..but i guess the numbers made it true

**Physics**

well apparently fc = fs, and i got fs as 3.096 as correct...but then that means that r = (.003 * 100)/ 3.096 which is .096889m..this doesn't make sense

**Physics**

A stone has a mass of 3.0 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.86. When the tire surface is rotating at 10 m/s, the stone flies out of the ...

**cell biology**

what are the types of carbohydates and the types of lipids.

**Physics**

Water from a garden hose that is pointed 29° above the horizontal lands directly on a sunbather lying on the ground 4.7 m away in the horizontal direction. If the hose is held 1.4 m above the ground, at what speed does the water leave the nozzle?

**Physics**

An airplane is flying with a velocity of v0 = 260 m/s at an angle of 30.0° with the horizontal. When the altitude of the plane is h = 2.0 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle ?

**Physics**

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.80 m/s and her body makes an angle of 76.0° with respect to the horizontal surface of the water. Determine her initial velocity, both magnitude ...

**Physics**

A car drives straight off the edge of a cliff that is 50 m high. The police at the scene of the accident note that the point of impact is 140 m from the base of the cliff. How fast was the car traveling when it went over the cliff?

**Literature**

Can someone help me with this what is a tense or exciting moment in Oedipus Rex? What would also be a literary device or convention that the author use to develop such specific moment?I have read it over and over and I am having difficulty with it.

**Media**

Are there any Television programs that have primarily helped or hindered social and political life in the U.S.?

**math**

Ordinal numbers are what called in order therefore, the first couple of them would be: First Second Third Fourth FIth Sixth etc. so IF YOU HAVE: 00000 THIS WOULD BE FIFTH

**sorry!**

My apologies i did not see the continuation of postages. Thanks for helping me out in setting it up.....

**ms.sue**

I was woundering by any chance were you able to help me figureout how to set up the essay as an outline according to my assingment about the government being monopoly or oligopoly stuff. From yesterday postages?

**ms.sue**

thanks.

**ms.sue**

i seen that you wrote back and were looking thank you

**ms.sue**

Can i bother again to see if you can help me set up my paper so i can know what i should talk about in each paragraph so i do not loose myself. And hints towards what to talk about. In the previous postage.

**Search**

depending what type of information you are requireing about. If you have their number and want their address. Go to m_s_n etc. then go to the link white pages and it will direct you there.

**Physics**

When chasing a hare along a flat stretch of ground, a greyhound leaps into the air at a speed of 11.3 m/s, at an angle of 28° above the horizontal. (a) What is the range of his leap? (b) For how much time is he in the air?

**Physics**

Water from a garden hose that is pointed 29° above the horizontal lands directly on a sunbather lying on the ground 4.7 m away in the horizontal direction. If the hose is held 1.4 m above the ground, at what speed does the water leave the nozzle?

**Physics**

A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 8.2 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 62° when they move past the window. How fast ...

**history**

I need help to even start this paper with the required information but I've re-read the chapter and I am not understanding. Can someone help me make an outline to write out a good essay on this assingment with helping answering and understanding the correct way. Thank you ...

**history**

thank you.

**history**

tHE ACTUAL ASSINGMENT IS IN A PREVIOUS LINK

**history**

Can you help me set up the paper like an outline so i do not loose myself on what to talk about like help me organize it. THANKS

**history**

See i posted the required assingment in another post. But i am having trouble with it. My opinion is that I think that the government has many compies for many different radio stations depending on who promotes them. If the government only owned all radio stations then ...

**history**

I need help with these two question.And if you can help me understand them as well.thanks 1)Did the U.s. governmnet fostered monopoly or oligopoly ownership throughout radio's history. 2)What are some advantages and disadvantages of government-fostered ownership?

**Physics**

Well in Kinematics..theres 1 equations that is x= v0t + .5 (a)t^2 and that your equation can be simplified to that if the initial velocity is 0...we would get x= .5(a)t^2..this is to find the distance (displacement).

**Math**

1 is part of the problem. 1 and 2/5 divided by 21 The possible answers given are : a. 1/15 b. 1 2/105 c. 15 d. 29 2/5

**math**

yes, that is what we use in class instead of x when we are are on the computer.

**math**

Estimate 16 20/21*28 3/7 - 4 13/25 + 8 2/47 as a whole number or as a mixed number whee the fractional part is 1/2. a. 452 b.480 c.488 d.492 1/2 I would say the answer is c - 488. Would that be right?

**literature**

My question is in the story "young goodman brown", by Nathaniel Hawthorne. can someone give me an example of a literary device and how the author used it. I have to come up with at least nine of them but I can't start because i am not understanding. I looked up ...

**mass media**

Thank you if anyone could help me with the previous posts. If you are taking a course in mass media, surely you have a textbook or have been referred to particular websites or reference databases via your school's library. If the above is not true, it looks as if what you ...

**mass media**

what is today's publishing conglomerates and the organization of todays'publishing industry? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's ...

**mass media**

what are pre-book manuscripts and what is the early publishing houses? Pre-book manuscripts are the hand-written or typed (word-processed) pages of an author's books before it's been edited by the publisher. Check these sites for early publishing history. http://www....

**mass media**

what are some groups and individuals who have had and not had access to information because of its control pre-book manuscripts?

**mass media**

what is the controlled ownership and distribution of publications throughout history?

**mass media**

what is the organization of the publishing industry? I don't know if such a question can be definitively answered, but here are plenty of websites with some information on various facets of the industry. You should be able to draw conclusions and come up with your own &...

**mass media**

what is the control of information from prebook manuscripts to the formation of early publishing houses to the evolution of todays'conglomerates ? who has had and who has not had access to printed information? Check this site for a brief outline of publishing history. http...

**mass media**

who determines what will be printed and how access to information limited with mass production of books? Publishers determine what they will publish. Their decisions are usually made on the basis of what will earn them a profit. In other words, publishers reject books that ...

**Literature**

what does it mean: literary journal The term "literary journal" can mean two things, I think. 1. A magazine or journal that is published and focuses only on literary works, current and past. http://www.google.com/search?q=literary+journal&rls=com.microsoft:en-us:IE-...

**Literary**

what does this mean the definition: Word: "anapest" definition: three syllables with third stressed: a metrical foot of three syllables with the stress on the third syllable, or of two short syllables followed by a long syllable. The word "unconcerned" and ...

**Literature**

what are some methods towards writng about literature? Be sure to add all of these to your Favorites or Bookmarks: http://grammar.ccc.commnet.edu/grammar/composition/literature.htm from: http://grammar.ccc.commnet.edu/grammar/ http://leo.stcloudstate.edu/catalogue.html#types ...

**mass communication**

what is the effect that mass production of books has had on: a) individuals Mass production of books have enabled more people to read. Before books were affordable, people relied on their memories to recall stories and events. But books have enlarged their worlds so that we no...

**literature**

What literature would be considered to be part of the United States CURRENT literary canon. You asked this question yesterday and I'll give you the same answer: There is not one magic list. It doesn't exist. http://www.jiskha.com/display.cgi?id=1187126651 http://www....

**literature**

What is a good definition or meaning of linterary canon. I've read the definition in different books but i am still confused what does it mean. I need help understanding it and memorizing it. http://www.answers.com/topic/canon-fiction Scroll down and read about canon (...

**Literature**

What literature would be considered to be part of the United States' current literary canon? There are so many, it's hard to name just one!! http://en.wikipedia.org/wiki/American_literature Here is an article about American Lit, with links to many, many titles and ...

**math**

Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are involved and I cannot show...

**math,help**

can someone explain to me this one as well step by step...thanks Problem #2 Solve the matrix equation AX=B for X by finding A to power. A= 2_-1_3 -3_4_-5 -4_0_6 b= 9 6 -9 Solution is: 5.43 8.22 2.12

**math help**

Can someone explain to me the following step by step , i 've looked in websites , plus the book and i want to understand how this problem has this answer. Problem #1 Find the inverse if it exists, for the matrix. -2_1_3 3_-1_0 -4_2_0 Answer is: -4_6_5 -8_12_13 2__0__-1 ...

**math, algebra II**

Can someone explain to me step by step how the book got to this answer i want to understand the steps....thanks Find the inverse, if it exists,for the matirx (*I used the underscore to separate the numbers within the matix) -2_1_3 3_-1_2 -4_2_0 the answer is: -4_6_5 -8_12_13 ...

**math,help**

how do i set this up...i need help in the set up... In deciding whether or not to set up a new manufacturing plant, analysts for a popcorn compnay ave decided that a linear function is a reasonable estimation for the total cost c(x)in dollars to produce x bags of microwave ...

**math, correction**

A cable tv company charges $50 for the basic service plus $10 for each movie channe. Let C(X) be the total cost in dollars of subcribing to cable tv, using x movie channels. write a cost function for the problem. what i think it is: c(x)= 50 + 10x That looks ok to me.

**measuring**

well this is what i need i am baking but i need 6cup of buttercream icing. And i found a website that sells it made but it says that the container size and has 3.5LB of it...so would one container be enough or should i buy two..thats why i am not sure about the exact amount i ...

**measuring**

how much is 6 cups to pounds.... That depends upon whether you're measuring something heavy, like lead pellets, or light, like feathers. Volume measures (cups) don't have equivalent weight (pounds) measurements. If you're measuring a food (apples, peaches, flour, ...

**MATH, HELP**

what is the probability that at least 2 students in a class of 36 have the same birthday? Do i punch this in to the calculator or how did you found this way or method for your solution: Log(365!) = 1792.3316 Log(329!) = 1581.7202 36 Log(365) = 212.3963 And therefore: 365!/[(...

**math**

round result to two decimal places...the answer i have is: 7.023 so two decimal places would it be: 702.0 You're asked to round to two decimal places. 7.023 = 7.02. Your answer has only one decimal place. so i guess my answer is wrong then...so what do they mean by two ...

**math**

rounding to the nearest tenth to 242.35 the answer would be: 242.40 we round up the 3 because a 5 is next to it...? Yes. We round up when the next digit is 5 or more. Minor correction -- Rounding to the nearest tenth, your answer is 242.4 -- not 242.40. okay thank you...

**math ,correction**

consider determining how many possible phone numbers are in an area code (repeated numbers allowed) is this a combination, permutation or neither.... my answer neither combination. combination. wouldn't it be neither because we are allowed to use repeated numbers.......

**math, help**

I need help or hint on the setup: what is the probability that at least 2 students in a class of 36 have the same birthday? This is 1 minus the probability that all students have different birthdays. Suppose that the birthday of a student is completely random. Then we can ...