Friday

March 27, 2015

March 27, 2015

Total # Posts: 900

**chem**

calculate the standard enthalpy change for each of the following reactions. N2O4(g)+4H2(g)=N2(g)+4H2O(g)
*March 4, 2012*

**principles of physics**

the same and your tangential speed less.
*March 2, 2012*

**Calculus AP **

implicit differentiation Find the slope of the tangent line to the curve xy^3 + 2y - 0.76 =0 at the point (-3, o.7) I'm lost. so 3xy^2 * y' + 2y = 0 right?
*March 1, 2012*

**chemistry**

189g
*February 29, 2012*

**chemistry**

3.30 mL of vinegar needs 43.0 mL of 0.150 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.70 qt sample of this vinegar?
*February 29, 2012*

**chemistry**

A What mass of KCl is needed to precipitate the silver ions from 26.0 mL of 0.100 M AgNO3 solution?
*February 29, 2012*

**math**

If a dice is rolled 3 times, what is the probability of rolling a prime number, then a 2, and then a 5?
*February 28, 2012*

**English**

Do you capitalize mom in the phrase your mom?
*February 27, 2012*

**English**

As in the Temperature
*February 27, 2012*

**ENGLISH-PLEASE HELP!**

In Dante's inferno, why does Dante have to get rid of his feelings of sympathy and pity toward sin and sinners in order to grow?
*February 26, 2012*

**Macroeconomic**

Suppose we establish a $10,000 fine for water pollution. Would some companies still find that pollution was economical? Under what conditions?
*February 23, 2012*

**math**

There are nine customers waiting for their local SuperDuperMegaMart store to open on a big shopping day. In how many ways can the nine customers form a single line at the door? That is, how many different lines of nine people are possible?
*February 20, 2012*

**Economics**

Suppose George is making $18 an hour installing electronic chips in hand held computers. Would you offer to work for $8 an hour to get you the job? Why might a profit-maximizing employer turn down you offer?
*February 18, 2012*

**Chemistry**

37% HCl is 0.37g/g to prepare 100mL of 10g/L HCl solution you need 1g of HCl then the volume of 37% HCl is 1g/(0.37g/g x 1.19g/mL)=2.27mL
*February 16, 2012*

**Psych-Cognition**

What does the concept dualist metaphysics mean?
*February 2, 2012*

**College Hca 210**

Write a 350- to 700-word paper on one of the following laws: HIPAA (1996) or EMTALA (1986). Pretend you are a health care manager employed at a small community hospital responsible for educating your staff about HIPAA (1996) or EMTALA (1986). Include the following in your ...
*January 30, 2012*

**Math- Alg 2**

A colony of bacteria is growing exponentially according to the function below, where T is in hours. How many bacteria are there after 7 hours? B(T)= 4*e^(0.8)T
*January 26, 2012*

**math**

For 3 collections, the mode was 126 and the range is 26. What are the 2 possibilities for the number of items in each collection?
*January 26, 2012*

**A&P**

together leucocytes and platelets compromise ? percent of total blood volume
*January 16, 2012*

**College: HCA 210**

Complete the following Workforce Provider Overview Grid. Many areas within health care are options for career placement or advancement. Research different fields within the industry and fill in each box with detailed information about the clinical health care provider. For ...
*January 15, 2012*

**Geometric Sequence**

81 54
*January 14, 2012*

**economics**

When an economist says that a currency has become stronger, he or she means that a) it will buy less of foreign goods. b)it can be exchanged for more of a foreign currency. c)services, unlike goods, can be exported freely. d)there are very few things that the currency cannot ...
*January 9, 2012*

**science**

2 questions. What part of the cell contains chlorophyll? what do plants usually have one large one of and animals may not have any or have several smaller ones?
*November 28, 2011*

**phi 103**

avoid the argument
*November 26, 2011*

**Soc 331**

Discuss current trends affecting social welfare. Do modern trends favor the solution of social issues? What are the most effective social welfare organizations today in your opinion, and why? I think that modern trends do favor solution, but I'm not exactly sure how. i ...
*November 16, 2011*

**chemistry**

for the reaction S2F6 (g) 2SF2(g), the equilibrium concentrations are as follows: [S26]=0.000430M, [SF2]=2.08 M, [F2]=1.32M. the equilibrium constant is
*November 13, 2011*

**statistics**

a student took a 25 question true and false test answering the question randomly without reading them. If a score of 18 is correct is the minimum passing grade, how likely (calculate probability) is it that the random guesser will pass the test
*November 10, 2011*

**chem 1**

a NaOh solution has a concentration of about 0.11M.How many grams of KHP would have to be used to require NaOH solution to reach the endpoint
*November 7, 2011*

**Math**

Reasoning Janice said that if you cut a cube into two parts you form 2 smaller cubes. Ling said that 2 rectangular prisms are formed. Who is correct? Explain.
*November 4, 2011*

**English**

Yes, my examples for my sentences are in my answer to your previous question above.
*November 1, 2011*

**English**

Redundant is when two different words are used in a sentence but mean the same thing. ( I cannot think of a sentence for this one.) A parenthetical is an an add-on to a sentence but does not necessarily interrupt it. Is this a good example? California, to say the least, is a ...
*November 1, 2011*

**English**

Three sentences involving: 1. A completely correct simple sentence with an appositive in it about California. 2. A sentence with redundant language about California. 3. A sentence about California with a parenthetical element in it.
*November 1, 2011*

**English**

Using California as a topic, number and write one example of each of the following: 1. A completely correct simple sentence (see Grammar Glossary if you need to) with an appositive in it. 2. A sentence with redundant language. Type the redundant language in ALL-CAPS. 3. A ...
*November 1, 2011*

**math**

If you walk 6.2 miles in 2 hours- what is your average speed in meters per minutes? I just want to make sure that I am setting this up right... thank you.
*October 26, 2011*

**chemistry**

Oh I am sorry, the distance between mars and earth is measured in kilometers.
*October 26, 2011*

**chemistry**

how long would it take a radio wave with a frequency of 7.25 x 10to the 5th to travel from Mars to earth if the distance is approx. 8.0 x 10 to the 7th?
*October 26, 2011*

**Economics**

assume that gross national debt is equal to $3million and the federal government then runs a deficit of $300 billion. What is the new level of gross national debt
*October 26, 2011*

**physics**

A centrifuge is revolving at the rate 10,000rpm. The radius of revolution for a 0.100-g particle being separated is 8.00 cm. a) Identify the given quantities with their symbols and units. b) What is the angular speed in radians per second? c) What is the linear speed in meters...
*October 25, 2011*

**english**

a common fary tale motif found in the white snake is: a)references to the bible b)items or events occurring in threes c)references to real people or events d)the dialect of the charactwers
*October 19, 2011*

**algebra 1**

n-12 =11 n-12+12=11+12 n=23
*October 19, 2011*

**Sociology**

What does social cultural context mean? and what does it mean to look at something structually?
*October 16, 2011*

**geometry**

show that points A= (10,12,13), B=(13,14,14), and C=(18,18,16) are not collinear
*October 15, 2011*

**statistics**

A study of graduates average grades and degrees showed the following results: B.S. Degrees, 15 graduates averaged Grade A, 8 graduates averaged Grade B, and 5 graduates averaged grade C. Graduates who had a B.A. Degree, 8 averaged grade A, 12 averaged grade B, and 7 averaged ...
*October 15, 2011*

**physics**

A satellite orbits Earth once per day. From the reference frame of the Moon, which orbits Earth once about every 27 days, what is its motion?
*October 14, 2011*

**math**

3 pounds
*October 12, 2011*

**math**

express 55 minutes as a frcation of 1 1/3 hours
*October 5, 2011*

**algebra**

11 divided by 12 +b= 5/6
*September 30, 2011*

**algebra**

if a)=0.65 and b)=1.28 and c)=-5/2,evaluate -a-(-b)+c
*September 30, 2011*

**english**

in the book the diary of Anne Frank the diary provides anne with a means of working through her internal conflicts. provide two examples of personal conflicts Anne is struggling with
*September 27, 2011*

**English**

the adjective would be yellow,a word to define a noun
*September 27, 2011*

**physics help please**

An airplane that can fly at 300 km/hr is flying at 210 when it is hit by a wind of 125 km/hr at 110. What is the new velocity of the plan?
*September 26, 2011*

**Physics help ASAP please**

A boat needs to travel straight across a river. The current is 10 km/hr. The boat can travel at 16 km/hr. What is the velocity of the boat relative to the bank?
*September 26, 2011*

**Physics help ASAP please**

An airplane is flying south at 500 km/hr and is being blown by a crosswind of 75 km/hr east. What is the resultant velocity of the airplane?
*September 26, 2011*

**literature **

how does the role of the supernatural differ in the stories of Echo and Narcissus and Deadalus and Icarus?
*September 26, 2011*

**Physics**

You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?
*September 21, 2011*

**Statistics**

The lifetime of television produced by the Hishobi Company are normally distributed with a mean of 75 months and a standard deviation of 8 months. If the manufacture wants to have to replace only 1% of its televisions, what should its warranty be?
*September 16, 2011*

**trig**

find the 5 trig ratios when sin theta = -5/13 and lies in quadrant 3
*September 14, 2011*

**MATH**

what are the rules to multiplication with negative numbers and positive numbers?
*September 14, 2011*

**chemistry**

how many molecules of O2 may be produced from 50g of KClO3? the formula is 2KClO3->2KCl+3O3
*September 13, 2011*

**chemistry**

how many grams of O2 may be produced from 50g of KClO3?
*September 13, 2011*

**Whatzit puzzle**

That is the way the puzzle is written.
*September 9, 2011*

**Whatzit puzzle**

more it it thani
*September 9, 2011*

**Chemistry**

Nuclei with the same number of neutrons but different mass numbers are called isotones. Write the symbols of four isotones of 236Th
*September 7, 2011*

**College Math**

Ed Moura has $29,000 invested in stocks paying 5%. How much additional money should he invest in certificates of deposit paying 2% so that the average return on the two investments is 3%?
*September 1, 2011*

**STATISTICS**

WHAT PERCENTAGE OF AFRICAN AMERICAN ARE FEMALE
*August 24, 2011*

**math**

a pet shop owner had an equal number of hamster and puppies for sale. the hamster were put equally int o 4 cages and the puppies were put equally into 12 cages. at the end of the day, he had sold 3 cages of hamsters and 6 cages of puppies. if the total number of animals sold ...
*August 24, 2011*

**math**

an aquarium had 50 goldfish and angel fish. After 2/5 of the goldfish and 1/2 the angel were sold, there were 27 goldfish and angel fish left. What was the ratio of the goldfish to the angel fish after the sale?
*August 24, 2011*

**math**

Tommy, Shawn, and ricky had a total of 192 picture cards. In a game, Tommy lost some picture cards to Shawn and Shawn's picture cards doubled. Shawn lost some picture cards to ricky and ricky's picture cards doubled. Then they each had the same number of picture cards ...
*August 24, 2011*

**Literacy 2**

You need to recheck these bc at least 4 are incorrect. I just took this exam.
*August 23, 2011*

**Math: Inequalities**

A doughnut shop at a shopping mall sells a dozen doughnuts for $2.95. Beyond the fixed costs of $150 per day, it costs $1.45 for enough materials and labor to produce each dozen doughnuts. If the daily profit varies between $50 and $200, between what levels (in dozens) do the ...
*August 9, 2011*

**ECE**

At which grade level is it most appropriate for children to group by more than one attribute? A. Primary B. Kindergarten C.Four years old D.Preschool
*August 8, 2011*

**trigonometry**

A ladder 6.4 meters long leans agant the wall of an apartment house forming an angle of 53%20% with the ground. How high up the wall does it reach?
*August 7, 2011*

**Math**

Anyone help me?? :) How to solve: 5x2 = -(19/2x-1) and 2x2 + 45/2x - 18 = 0 With full solutions? Thank you :)
*July 25, 2011*

**social studies**

How do the similar cultural and economic environment of the united states and canada help to keep people and goods passing easily from one country to the other?
*July 23, 2011*

**world history **

following world war 2 what factors led to Japan's economic success? a)the adoption of eastern economic philosophy that emphasized supply and demand economy. b)the concentration on the production of high-quality agricultural products. c)efficient, modern factories,adapted ...
*July 19, 2011*

**world history**

which of the following was an effect of militarism in europe in the late 1800s? nations made political and military alliances. b)strong governments developed. c)nations made economic alliances. d)political tension between nations was reduced.
*July 19, 2011*

**solving rational equations**

4-a-5/a+5=a^2-15/a+5
*July 9, 2011*

**Math**

Thanks that is what I thought but there was no time given
*July 5, 2011*

**Math**

I bought a stock at $16.50 and sold it at $19. What was the rate of change?
*July 5, 2011*

**poetry**

What is performative aspect of a poem
*June 27, 2011*

**composition and communication1**

The WritePointSM report begins with the following statement: “Welcome to WritePointSM, the automated review system that recognizes errors most commonly made by university students in academic essays.”
*June 27, 2011*

**Physics**

A 0.200-m uniform bar has a mass of 0.750 kg and is released from rest in the vertical position, as the drawing indicates. The spring is initially unstrained and has a spring constant of k = 25.0 N/m. Find the tangential speed with which end A strikes the horizontal surface.
*June 9, 2011*

**MATH**

Interest = principal times rate times time. Simple interest multiple all together 31.5.
*June 4, 2011*

**Records Management**

I am having a hard time understanding how to arrange these numbers and I have to turn the assignment in tomorrow. Any help would be appreciated. 1. arrange the numbers in terminal digit order. 2. arrange the numbers in middle digit order. 3. arrange the numbers in consecutive ...
*June 4, 2011*

**businesscommunication**

I took a speech class last quarter and the focus was on informative speeches and preparing outlines. 1. Introduction - the topic and main point of the message. Can be done with a thesis statement. An overview of what will be talked about. (five to eight sentences for the ...
*June 4, 2011*

**9th grade integrated algebra**

13.2
*May 22, 2011*

**statistics**

describe how you would design an experiment to help the protagonist make an informed decision. Your description should include (but not be limited to) how subjects are chosen for the experiment, how treatments will be administered, what variable(s) you will be measuring, and ...
*May 9, 2011*

**statistics**

Your friend David works for an online magazine and calls you late one night. He says “Dude(tte), can you help me out? I’m putting together an article and the submission deadline is in an hour. I want to quote an opinion poll result my publisher gave me, but they didn...
*May 9, 2011*

**statistics**

2. Your friend Janefs landscaping company charges two hours of labor time for the planting of a medium-sized tree. To make sure she is not undercharging or overcharging for this service, she asks for your help. To start, you take an SRS of 10 planting times from last ...
*May 9, 2011*

**statistics**

After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Green’s Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass Ms. Green’s ...
*May 9, 2011*

**Calculus**

Evaluate the integral. HINT [See Example 3.] (Remember to use ln |u| where appropriate.) (4/x - 1/4x^5 + 1/2x^7)dx
*May 3, 2011*

**math**

If you are in Florida, 7th grade is the first grade where you are REQUIRED to have a multifunction calculator, according to the state curriculum. It is important to note that there are parts of the FCAT where you cannot use a calculator so basic skills need to continue to be ...
*April 28, 2011*

**business**

why can businesses started by young people face a lower risk of failure than adult businesses?
*April 24, 2011*

**consumer mathematics**

A $500 sofa is reduced 15%. What percentage would the sale price have to increase to be at the original price?
*April 24, 2011*

**math**

Look at this trinomial 32a^4 + 18a^3 - 12a Write the polynomial as the product of the GCF of all its terms and a polynomial PLEase explain thanks
*April 18, 2011*

**Chemistry**

Besides the fact that it would reduce pollution, why would a hydrogen fuel based car be a better choice than a regular gasoline fosil fuel vehicle?
*April 13, 2011*

**science**

How many pounds of pressure does a 25 pound baby weigh in a head on collision when the car is traveling at 25 miles per hour. (and hits a stationary object)
*April 12, 2011*

**MATH**

IF A DOOR MEASURES 42" WIDE BY 84" TALL CAN A TABLE MEASURING 96" IN DIAMETER FIT THROUGH?
*April 7, 2011*

**Discrete Mathematics**

Step 1 Set a=1, b=1, c=2,and k=0 Step 2 while k < n (a) Replace c with a+b (b) Replace a with b (c) Replace k with k+1 endwhile Step 3 Print b
*March 30, 2011*

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