Thursday

March 26, 2015

March 26, 2015

Total # Posts: 2,086

**Organic Chemistry!!!**

pure acetylsalicylic acid has a melting point of 135.0 - 135.5 degreed celsius. what would you expect to happen to the melting point if this was mized as a 50:50 mixture with pure benzoic acid (mp 121 - 122)
*September 26, 2010*

**Chemistry**

Why does beta radiation take place? What happens to beta particles after being stopped? Please help me!!!!
*September 22, 2010*

** Chemistry**

How do you measure radiation?
*September 22, 2010*

**Chemistry**

What happens to the beta particle when stopped
*September 22, 2010*

**Chemistry**

Why does beta radiation take place?
*September 22, 2010*

**spanish**

I don't know where accent marks go in this paragraph. Dentro de unos minutos van a mostrar una pelicula increible en la television. Se llama LOS PERUANOS PREHISTORICOS, y la narra el famoso actor Ricardo Montalban. El tiene una voz magnifica, sabes. La mire varias veces el...
*September 21, 2010*

**Spanish**

I need help placing accent marks where they belong in this short story. !Hola, Andres! ?Como estes? Fantastico, Carmen, ?y tu? Horrible. ?Por que? El profesor Gomez me indico ayer que yo tendre que sacar por lo menos una B en el examen manana para salir bien en mi curso de ...
*September 21, 2010*

**Chemistry**

Why does beta radaiation take place? If there is a website that can help me please post it. Thanks
*September 20, 2010*

**Chemistry**

How can beta radiation be stopped by a piece of aluminum foil?
*September 19, 2010*

**Physics**

A ball is thrown vertically upward with a speed of 25.4 m/s from a height of 2.1 m. (Remember gravity is a=9.8m/s^2) How long does the ball take to hit the ground after it reaches its highest point? Answer in units of s.
*September 15, 2010*

**math**

three times a number less four is 17 put in number form
*September 15, 2010*

**math**

three times a number less four is 17 put in number form
*September 15, 2010*

**Physics**

An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees the car, the locomotive is 210 m from the crossing and its speed is 26 m/s. If the engineer’s reaction time is 0.62 s, what should be the ...
*September 15, 2010*

**Computer Security**

The standard names used to identify the parties to secure communication session are?
*September 11, 2010*

**social studies**

information about southern colonies
*September 9, 2010*

**Chemistry**

1.)Convert: 2.6g to 6.73g F 2.)7.61 g of potassium(K) reacted with 14.6g of chlorine(Cl) to form the compound Kcl. What mass % of the compound is due to Potassium?
*September 8, 2010*

**Chemistry**

Compare and contrast two elements combining to form a compound and two compounds combining to form a mixture.
*September 7, 2010*

**6th grade**

they asking me what is a square pizza models numerator denominator
*September 7, 2010*

**math**

what are some factors of 36
*September 2, 2010*

**Computer Security**

Hackers use data input forms to add scripts to the server that then steal user information. This is known as buffer overflows. True or False
*September 1, 2010*

**math **

the perimeter of a triangle is 76 centimeters. the second side is twice as long as the first side. the third side is four centimeters shorter than the second side. how long is each side?
*August 30, 2010*

**Chemistry**

Could weighing the substances wrong be a source of error?
*August 28, 2010*

**Chemistry**

I did a lab in chemistry about weighing table salt and sand and mixing it with water and pouring it through a funnel. One of my lab quetions was, What are some possible sources of error in this activity? First of all, I don't know what this question means. Can anyone ...
*August 28, 2010*

**math**

the width of a rectangle is one half its length. the perimeter of the rectangle is 54cm. what are the width and length of the rectangle.
*August 27, 2010*

**Math**

how do I graph the equation 2x+y=0?
*August 26, 2010*

**3rd grade**

What is the Predicate of a Sentence
*August 23, 2010*

**Database Management**

What is wrong with using MS Access for a fifty station online purchasing system or though rare, when might it be OK. What is wrong with using SQL Server for a "Mom and Pop" shop of three computers?
*August 22, 2010*

**Statistics**

I don't know where to start with this in Excel. Player Rating TD% Inter% Steve Young 96.8 5.6 2.6 Kurt Warner 95.7 5.5 3.5 Daunte Culpepper 93.2 5.4 3.1 Peyton Manning 92.3 5.6 3.1 Joe Montana 92.3 5.1 2.6 Trent Green 87.9 4.7 2.9 Tom Brady 87.5 4.8 2.6 15.34 For the data ...
*August 15, 2010*

**health information management technology**

The problems at hand are the backlog of incomplete records, to many delinquent records, and not enough shelf space. I would figure out why they ended up getting back up with medical records. Maybe have to retrain the staff. Get the physicians signatures on all records who need...
*August 13, 2010*

**ETH125**

OK. I am a Navajo female child after the civil war and I have been stolen from my family and put into Boarding school where I will be assimilated into White society. A first person account of the assimilation of a Navajo Native american in the middle 1800
*August 1, 2010*

**ETH125**

Im trying to write a first person journal account of the Native American Subordinate. I need help getting started.
*August 1, 2010*

**algebra**

Todd has 1 liter of a 20% sulfuric acid solution. How much of a 12% sulfuric acid solution must he mix with the 1 liter of 20% solution to make a 15% sulfuric acid solution?
*August 1, 2010*

**college**

Essentials of statistics is the subject and the question is: The population of IQ scores forms a normal distribution with a mean of u=100 and a standard deviation of sigma=15. What is the probability of obtaining a sample mean greater than M=105 for a random sample of n=36 ...
*July 31, 2010*

**Fundamentals of Law**

Assignment Type: Individual Project Deliverable Length: 1-2 pages Points Possible: 130 Due Date: 8/1/2010 11:59:59 PM CT Your sister has come up with what she thinks is a brilliant idea for a home-based business - a website which helps lonely people find their perfect match ...
*July 28, 2010*

**History 1301**

I am looking for this information too for my my history paper, and I can not seem to find it anywhere.
*July 24, 2010*

**business law**

1.Why is personal jurisdiction an issue for those who post Websites? 2.What are some reasons that a website owner might be concerned with whether a court is able to obtain 'personal jurisdiction' over them? 3.What is normally required for a court to have personal ...
*July 20, 2010*

**payroll accounting**

4. First Case Manufacturing Company has annual payroll of $100,000. Voluntary contribution are allowed in the State where this company does business. Total unemployment taxes paid into the State’s unemployment fund amounts to $24,000. Cumulative unemployment benefits paid...
*July 14, 2010*

**Business**

Using requirements of Value Chain Management put these requirements to work specifically at the Smart Chips Company in order to help it remain competitive in the long run.
*July 7, 2010*

**algebra2**

For example 100/4= 25. So we know that 25 times four is 100 percent. Therefore, 15 times 4 is 60%. The percent notation would be 60%
*June 4, 2010*

**algebra2**

percent notations are different ways of showing a fraction for example: Example 1: Write the three percent notations for 25%. 1: ratio = 25/100 2: fractional = 25%=25 X 1/100 3: decimal 25% = 25 x .01
*June 4, 2010*

**Chemistry**

please? I'm going to have to leave it like this =/
*June 4, 2010*

**Chemistry**

equilibrium expression for the combustion of octane? My project is due today =/ (it's 1:30 now, and I really need someone to clarify this last one question. Thanks! This is what I got for the combustion of octane. ^denotes a superscript/exponent. [H2O]^18[CO2]^16...
*June 4, 2010*

**Algebra HELP :(**

sorry the ratio is confusing I cross multiplied 6 by 100 and 5 by x then solved for x. Hope this helps =)
*June 4, 2010*

**Algebra HELP :(**

okay so set it up as an equation. first subtract the processing fee from the penalty fee. there fore, fee = 6 we now know that 6 is 5% of the check. there fore do a ratio to find the answer which = x 6 x - x - = x= 120 5 100 the check was initally $120 in an equation write: 16...
*June 4, 2010*

**COLLEGE**

class= 100 students = 57 therefore 100-57= 43 students didn't recieve an a. you cant simplfy it I don't think. There fore 43/100 is the fraction that didn't recieve the grade.
*June 4, 2010*

**algebra logarithms**

hey use this key to help you out exponential form: 10^3=1000 logarthimic form:log10 1000 = 3 therefore, your problem would be... 10^2 = x 10 x 10 = 100 x = 100
*June 3, 2010*

**7th grade**

You can always find tests in book stores Brenda. I recommend trying a test, to see where your sons strengths and weaknesses are. It doesn't hurt to give a test. =D try looking online, many textbook companies have little test prep books or tests availiable to purchase. I ...
*June 2, 2010*

**HIS 115 - American History to 1865 **

What social, political, and economic changes pulled the North and the South further apart?
*May 30, 2010*

**Algebra**

Let the station be at x = 0. After 2:37 pm, train A is at x(A) = (2:37-2:25)/(60 minutes per hour)*80 mph + 80 * t, or x(A) = (12 min / 60 min per hour) * 80 mph + 80 * t x(A) = 16 + 80 * t where t is hours after 2:37 for train B, x(B) = 100*t Set x(A) = x(B) or 100*t = 16 + ...
*May 26, 2010*

**English**

I need help interpreting the poem "I Never Saw Another Butterfly" by Pavel Friedman. I need to describe the tone of the poem from the verses. I also have to mention the meaning of the poem as it applies to Pavel. Thanks!
*May 26, 2010*

**Food engineering/biology**

Hey Can anyone help me out with this problem. For part a i understand i plot microbial numbers against time on semi log paper to determine D value for the two temperatures. But i'm unsure how to do part b. Alicyclobacillus acidoterrestris is a quite hat resistant ...
*May 23, 2010*

**operation management**

A quoting department for a custom publishing house can complete 4 quotes per day, and there are 20 quotes in various stages in the department. Applying Little’s Law, the current lead time for a quote is how many days?
*May 23, 2010*

**Finance**

Landis Corporation The Landis Corporation had 2008 sales of $100 million. The balance sheet items that vary directly with sales and the profit margin are as follows: Percent Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5% Accounts receivable...
*May 22, 2010*

**English**

Please ignore the question mark.
*May 22, 2010*

**English**

What did the SS say to Jews as they were taken from their homes? I want to start my report from the time I was taken from my home and I want to use German words to make it seem as if I really was a Jew during the holocaust. Thanks again for the help?
*May 22, 2010*

**English**

I have searched all over the internet, buy still I haven't been able to find information on Pavel Friedman. I do know that he was a boy who was sent to Terezin and then sent to Auschwitz and was later killed. I also know about his poem. My teacher wants me to write a half ...
*May 22, 2010*

**English**

thanks!
*May 20, 2010*

**English**

When I meant how far, I meant how far in days
*May 20, 2010*

**English**

I'm writing a report by interpreting myself as a Jew during the holocaust and I have to write a journal entry about 8 to 10 sentences describing the time spent on the way to my concentration camp. I was wondering, how far it was from Holland to Auschwitz?
*May 20, 2010*

**chemistry**

what does the arrow in a chemical equation mean?
*May 19, 2010*

**grammar**

She has never been missed her homework. What about: She has never missed her homework.
*May 17, 2010*

**English**

I have to write a report as if I were a Jew in a concentration camp. I have to use Jewish names for myself as well as my family. Does any body know of any Jewish name that were popular back then as well as occupations that Jews had back then. The help is greatly appreciated. I...
*May 17, 2010*

**Math: Help: probability**

It would be, there are 13 diamonds and 13 clubs. because 13/52 is 1/4 which is how many cards of diamonds, clubs, hearts, or spades each have. SO, if a person draws one card (we're assuming this is a club) which could be 13/52 because there are 13 total clubs, then there ...
*May 16, 2010*

**Math**

I understand how to do these kind of problems except this one. Write the equation that has the given roots. Roots: 3 with multiplicity of 2, -5, 0 with multiplicity of 4. By the way I understood the help that I got earlier, but this problem seems to be more confusing.
*May 13, 2010*

**Math**

Write the equation that has the given roots. Roots: 1 with multiplicity of 2 and -1 How do you figure it out?
*May 13, 2010*

**English**

Should this sentence have a comma in it? The excitement and adventures he gained along the Mississippi River as a steamboat pilot gave him the insight into characters that are in his writings.
*May 6, 2010*

**English Literature**

Never mind, the answer is b.
*May 5, 2010*

**English Literature**

The Celebrated Jumping Frog of Calaveras County 2. Wheeler suggest that the most surprising thing about Jim Smiley's betting was a. his success. b. his lack of success. c. his cheerful attitude about it. d. the range of things on which he would bet. I think it's either...
*May 5, 2010*

**algebra**

simplify: 1/4 - (-3/8)
*May 3, 2010*

**algabra**

what is the prime factorization of 420
*May 3, 2010*

**algrba**

thanks jenn how do u simply 12/36 can u pls tell me how to get to answer
*May 3, 2010*

**algrba**

help me to sole these problem please, multiply -2(X-3)
*May 3, 2010*

**Stats**

You are to imagine that you are part of a select marketing group. This group is to consider the Colorado City Convention and Vistitors Bureau survey of 25 hotels. The survey is concerned with the current availability of rooms. They are as follows: 90, 72,75,60,75,72,84,72,105,...
*May 2, 2010*

**Stats**

You are to imagine that you are part of a select marketing group. This group is to consider the Colorado City Convention and Vistitors Bureau survey of 25 hotels. The survey is concerned with the current availability of rooms. They are as follows: 90, 72,75,60,75,72,84,72,105,...
*May 2, 2010*

**ohys101(heat)**

23
*April 29, 2010*

**Calculus Ladder Problem**

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does x change with respect...
*April 28, 2010*

**Math**

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does x change with respect...
*April 28, 2010*

**Math**

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does x change with respect...
*April 28, 2010*

**pre-calculus**

Stretch vertically by factor of 2, move up 6 units
*April 28, 2010*

**math**

y=4x+5 plug in 0 for x and the y-intercept is 5 (0, 5)
*April 27, 2010*

**math**

find a common denominator! or you can add their exponents like, 1/5 = 5^-1
*April 27, 2010*

**COM/220**

this is what i have done so far, but i need help with the rest. The type of graphs that could be used for the topic same-sex marriage, such as graphing out how many same-sex couples exist in the state of region. Than comparing the number of licensed married same-sex couples ...
*April 26, 2010*

**Math**

Describe the end behavior and estimate the x-and y-intercepts for each function. Estimate to the nearest tenth when necessary. y=-2x^5+x^3
*April 22, 2010*

**Math**

Describe the end behavior and estimate the x-and y-intercepts for each function. Estimate to the nearest tenth when necessary. y+-2x^5+x^3
*April 22, 2010*

**college accounting 12 edition chapters 1-24**

Adjusting into a trial balance for supplies such as 10dozen 1/4" screws at a cost of $10 a dozen
*April 22, 2010*

**American Literature**

I have to write a report on Mark Twain. I'm not suppose to write his biography. I'm supose to write about his works, achievements, impact on his readers, society, american literature, etc. I haven't been able to find too much, because the internet just shows his ...
*April 20, 2010*

**math-probability**

A student claims that if a fair coin is tossed and comes up heads 5 times in a row, then, according to the law of averages, the probability of tails on the next toss is greater than the probability of heads. What is your reply?
*April 19, 2010*

**geometry**

the scale factor of 2 similar polygons is 2:3. The perimeter of the larger one is 150 centimeters, what is the parameter of the smaller one
*April 15, 2010*

**algebra**

Tree diagrams/ counting principles/ scp question: Two cards are drawn in succesion and with out replacement from a deck of 52 cards. find the following a. the number of ways in which we can obtain the ace of spades and the king of hearts, in that order. b. The total number of ...
*April 15, 2010*

**math**

after a game coach larson wants to serve ounch to the players on her soccer team. she will mix 1 quart of ginger ale and 1 gallon of fruit punch together. find the number of 8-ounce servings she can make
*April 13, 2010*

**math**

austin invests 4500 with a bank at 5 1/4%simple interest. how much does he earn after a year. would the answer be 4500*.0525*1=236.25
*April 10, 2010*

**Maath**

sorry is it 2x^2+9x+9 than factor to (2x+3)(x+3)
*April 9, 2010*

**Maath**

2x^2+9x+9 you just put all the like terms together
*April 9, 2010*

**math**

can someone make a lattice table. i have to multiply 523*73 using lattice multiplication. i know how to do it and have the numbers plugged in but without the table.
*April 9, 2010*

**Science**

i don"t know because i am the one that try to see what the answer is:D :>
*April 7, 2010*

**analogies**

letters : mail :: _______ : money
*April 7, 2010*

**HISTORY**

why is Booker T. Washington relevant to us today? what is something interesting about Booker T. Washingtongs life?
*April 1, 2010*

**microeconoimcs**

how does utility relate to purposeful behavior
*March 30, 2010*

**Math**

that's suppose to be -.4
*March 24, 2010*

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