Friday

May 29, 2015

May 29, 2015

Total # Posts: 3,290

**chemistry 12**

thank you this should help!
*October 15, 2011*

**chemistry 12**

how would i sketch a pH curve for the titration of40.00mL of 0.100 M hydrazine H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HCIO4(aq) ?
*October 15, 2011*

**PHI103 Informal Logic**

5. all the above
*October 15, 2011*

**Physics**

1. Change in velocity = acceleration * time = 5.5 m/s2 * 9 s = 49.5 m/s 2. Final velocity = Initial Velocity + Change in velocity = 18 + 49.5 m/s = 67.5 m/s 3. distance = (Final velocity ^ 2 - Inital velocity ^ 2) / (2 * acceleration) = (67.5 m/s * 67.5 m/s - 18 * 18) / (2 * 5...
*October 14, 2011*

**chemistry 12**

The pH of a certain acid having a concentration of 0.20M was measured. The pH was 2.50. Was this a strong acid or weak acid?
*October 13, 2011*

**chemistry 12**

Is HOCl(aq) a polyprotic acid? Explain
*October 13, 2011*

**MATH**

AUNT ALICE GAVE EACH OF HER 3 NIECES A NUMBER OF SILVER DOLLARS EQUAL TO THEIR AGES. THE YOUNGEST FELT THAT THIS WAS UNFAIR. THEY AGREED TO REDISTRIBUTE THE MONEY. THE YOUNGEST WOULD SPLIT HALF HER SILVER DOLLARS EVENLY WITH HER SISTERS.THE MIDDLE SISTER WOULD THEN GIVE EACH ...
*October 11, 2011*

**english**

In part 3 "Burning Bright" in fahrenheit 451 novel .What symmetry lies in rebuilding of the city? can you explain what they mean in this question ? thank you
*October 11, 2011*

**math**

Aunt Alice gave each of her three nieces a number of silver dollars equal to their ages.The youngest felt that this was unfair. They agreed to redistribute the money. The youngest would split half her silver dollars evenly with the other sisters. The middle sister would would ...
*October 11, 2011*

**math**

aunt alice gave each of her three nieces a number of silver dollars equal to their ages. the youngest felt that this was unfair. they agreed to redistributed the money. the youngest would split half her silver dollars evenly with the two sisters. the middle sister would then ...
*October 11, 2011*

**west ashley middle**

find e,if a=8,d=22,b=4
*October 7, 2011*

**internet**

Information systems security? For the scenarios that follow,identify the data that would need to be protected.Recommend how you would implement one or more of the following controls for the given scenario and justify your recommendation. 1.Administrative controls 2.Logical and...
*October 6, 2011*

**Number systems**

Convert 103 base to base 8 & and base 16
*October 5, 2011*

**Number Systems**

Convert 103 base 10 to base 2,base 8, base 16
*October 5, 2011*

**American Government**

The principle of self-government emphasizes majority rule whereas the principle of liberty emphasizes individual rights. These principles
*October 5, 2011*

**Chemistry**

A box measures 8.5 meters long, 7.5 meters wide and 0.25 meters deep, calculate the volume
*October 3, 2011*

**computers**

Assuming that a manger sends 40 SNMP GET commands each second. what percentage of a 100 Mbps LAN link's capacity would resulting response traffic represent?
*October 2, 2011*

**Geomentry**

(3x-14)degrees (70)degrees
*October 2, 2011*

**writing**

do you know any websites that would help me when i'm writing?
*October 1, 2011*

**writing**

how do you write neat when you're writing stuff? please answer
*October 1, 2011*

**Psychology**

Nature of Traits: Interactionism: Observe a social gathering. Write a 200 to 300 word response to the following: What influence does culture have on personality? Do you see a person's reaction to something as separate from social experience or as a result social experience...
*September 30, 2011*

**Psychology**

Sorry I left out the four positions. The Four Positions Are: The first position is that traits literally exist in the central nervous system as what Gordon Allport (1961) called “neuropsychic structures.” These hypothesized patternings of psychophysiology—say, ...
*September 30, 2011*

**Psychology**

Nature of Traits: Interactionism: Observe a social gathering. Write a 200 to 300 word response to the following: What influence does culture have on personality? Do you see a person's reaction to something as separate from social experience or as a result social experience...
*September 30, 2011*

**Physics**

A 2.40 kg mass, m, on a frictionless table is moving in a circle with radius 0.500 m at a constant speed. m is attached to a 5.70 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest
*September 30, 2011*

**C#**

Write a program that displays your initials in a pattern on the screen. Compose each initial with six lines of smaller initials, as the following example: J FFFFFF J F J FFF J F J J F JJJJJJ F
*September 29, 2011*

**Programming using C#**

Write a program that displays your initials in a pattern on the screen. Compose each initial with six lines of smaller initials, as the following example: J FFFFFF J F J FFF J F J J F JJJJJJ F
*September 28, 2011*

**geometry**

What is the perimeter of PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane?
*September 22, 2011*

**Gov**

what was the overall problem with the Articles of Con.? give 4 examples that illustrate the problem
*September 17, 2011*

**Math**

A sofa and chair have a total price of $ 600 not including tax. The tax rate is 6.25 %. Find the tax on the sofa if the price of the chair is $200. (a)$ 625 (b)$ 637.50 (c)$ 25 (d)$ 612.50 (e)$ 47.50
*September 15, 2011*

**Marketing**

Explain in detail how you would use the new-product development process if you were thinking about offering some kind of summer service to residents in a beach resort town
*September 14, 2011*

**math**

51200 customers customers decline each year by 3.8% what is the approx # of cust after 14 years
*September 14, 2011*

**science**

I have a question I was wondering if someone could give me a link or idea how to find the answer: What structure on HIV makes it necessary for the virus to be transmitted in moist secretions?
*September 13, 2011*

**math**

polynomials (3x + 1)(2x - 5)
*September 13, 2011*

**spanish/chech**

translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
*September 13, 2011*

**spanish/check**

translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
*September 13, 2011*

**Chemistry**

Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.890-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?
*September 13, 2011*

**Chemistry**

Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 1.890-g sample of Mg metal is added to 125.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed?
*September 13, 2011*

**Algebra**

The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in what relation not being a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
*September 11, 2011*

**calculus**

given that f(x)=x^11h(x) h(-1)=4 h'(-1)=7 find f'(-1)
*September 10, 2011*

**chemistry**

The vapor pressure of water at 25.0 C is 23.8 mm Hg. If 250. mL of water is placed in a chamber with a volume of 1.00 cubic meters, how many mL of water will evaporate
*September 6, 2011*

**algebra**

amy paid 78.42 for a pair of running shoes during a 25% off sale what was the regular price?
*September 6, 2011*

**world history**

Which civilizations were likely to have contact with each other?Why? _answer: Indus valley and Shang because they are close geographically B)Between which lines of latitude did early civilizations develop? Why? _Between lines of 20N and 40N. Because at this latittude they have...
*September 5, 2011*

**algebra**

(5x-4)/3=12
*September 4, 2011*

**Physics**

Suppose you are given that z = c x2 y4 where c is some number. For a particular value of c, x and y, z is equal to 7. Suppose x is decreased by a factor of 2.6 and y is increased by a factor 4. What is the new value of z?
*September 1, 2011*

**Calculus**

Infinite series question. an=2+(0.99)^n Converge or Diverge?
*August 31, 2011*

**geometry**

m<AOC=7x-2, m<DOC= 2x+8,m<EOD=27
*August 30, 2011*

**Math**

2 minutes
*August 29, 2011*

**psychology**

Much of brain research you have read about in this chapter was carried out using animals. In many studies, it is necessary to euthanize animals to study their brain tissue directly. Many people object to this practice, but others say it is justified because it advances ...
*August 29, 2011*

**Math**

Write 0.2 in the form a/b using integers to shoe that it is a rational number
*August 28, 2011*

**Math Place Value**

Please!!! Need help with this question asap!!!
*August 22, 2011*

**Math**

Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?
*August 22, 2011*

**Chem**

Consider the balanced chemical equation: 3Sr(OH)2(aq) + 2H3PO4(aq) → Sr3(PO4)2(s) + 6H2O(l). How many moles of Sr(OH)2 remain if 0.10 mol of H3PO4 react with 0.40 mol of Sr(OH)2?
*August 20, 2011*

**english**

Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing, ...
*August 14, 2011*

**statistics**

A simple random sample of FICO credit rating scores is listed below: 714 751 664 789 818 779 698 836 753 834 693 802 Find range, variance, and standard deviation.
*August 7, 2011*

**University of Phoenix**

inventory turnover ratio analysis for Dell Inc.FINANCIAL STATEMENTS April 29,2011 and January 28,2011
*August 5, 2011*

**Math**

What is the answer to the below math problem? 78000 x (1.7% x 20 years) + (1% x 10 years)
*July 26, 2011*

**Basic Statistics **

A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ? The standard error of the ...
*July 25, 2011*

**4th grade math**

40
*July 25, 2011*

**Basic Statistics **

A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple random sample of 30 voters will be drawn from this population. Consider repeatedly drawing simple random samples of size 30 from the population (...
*July 24, 2011*

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
*July 22, 2011*

**statistics**

Two dice are rolled and two fair coins are tossed. Let X be the sum of the number of spots that show on the top faces of the dice and the number of coins that land heads up. The expected value of X is _____ .
*July 22, 2011*

**intermediate algebra**

Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3
*July 22, 2011*

**algebra**

this could be a start if the website could find its file:o(
*July 21, 2011*

**Math**

A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?
*July 20, 2011*

**intermediate algebra**

find the product.(7x^2-y)(7x^2+y)
*July 20, 2011*

**intermediate algebra**

find the product. (5x-6y)(5x+6y)
*July 20, 2011*

**intermediate algebra**

Find the product. -9y^2(y^4+8y^3-y^2+8y+7)
*July 20, 2011*

**intermediate algebra**

plz help I'm lost word problems
*July 19, 2011*

**intermediate algebra**

Essay. Show all work. find the quotient: 49a^2-b^2 --------- 7a-b
*July 19, 2011*

**intermediate algebra**

Essay. Show all work. find the quotient: y^4+3y-1 -------- y^2-3
*July 19, 2011*

**physics**

Five boxes, each having weigh 100N, are stacked up. The bottom box is the fith from the top. What is the magnitude of the normal drove upward exerted by the fourth box from the top on the third box from the top
*July 19, 2011*

**algebra**

Essay. Show all work. Find the following quotient: 36x^2-49y^2 ----------- 6x+7y
*July 18, 2011*

**algebra**

short answer. find the following quotient: x^2-36 ------ x+6
*July 18, 2011*

**algebra**

find the following product:(x-3)(x+3)
*July 18, 2011*

**algebra**

short answer. find the following product -7z(-8z^3+3z^2+8)
*July 18, 2011*

**algebra**

find the following product: 5x^2y(-4x^5y^4)
*July 18, 2011*

**algebra**

One of the authors of this text is moderately active, weighs 87kg, is 185cm tall and is 59 yr old. what are his daily caloric needs?
*July 18, 2011*

**algebra**

Essay; show all work. Find the product: (1/7x^2-2/5)(1/2x-1/2) any help would be appreciated
*July 17, 2011*

**chemistry**

If I have 30 glucose molecules, how many CO2 molecules will that produce?
*July 14, 2011*

**chemistry**

if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?
*July 14, 2011*

**chemistry**

if a sample of alloy containing magnesium and metal that doesn't react wtih hydrochloric acid are reacted, how much heat would be evolved from a 5 gram sample that is 30% magnesium?
*July 13, 2011*

**statistic**

Identify the level of measurement for the following? 1)What state/country were you born? 2)What is the temperature outside rigth now? 3)Rank all of the courses you are currently.The class you look most forward to taking will be rank one ,next two ,and so on . what is the rank ...
*July 13, 2011*

**statistic**

Identify the level of measurement for the following? How long does it take you to drive to the school on average ( to the nearest minute)
*July 12, 2011*

**math**

thank you. It worked
*July 11, 2011*

**math**

the computer said my answer was correct like this (a/b)+(1/d)=(1/c) but I need to do the reciprocal of (1/c) and I dont know how that will look in the equation
*July 11, 2011*

**math**

I need help with rearranging this equation to isolate c a=b((1/c)-(1/d)) I got this (a/b)+(1/d)=(1/c) but I dont know the last step with the reciprocal. Could someone please help, thank you
*July 11, 2011*

**Math**

is it then a=(ef/d)-(b/c) ?
*July 11, 2011*

**Math**

Hi I need help with this question. Rearrange this equation to isolate a ((a+(b/c))(d/e)=f I know you first should divide both sides by (d/e) Can anyone help, thanks
*July 11, 2011*

**chemistry**

Why can’t ethyne be turned into trans or cis isomers?
*July 10, 2011*

**physics**

thank you!
*July 8, 2011*

**physics**

A car traveling 95 km/h slows down at a constant 0.80 m/s^2 just by "letting up on the gas. A) Calculate the distance it travels during the second second. B) Calculate the distance it travels during ninth second.
*July 8, 2011*

**Chemistry**

Compare the water solubility and expected BP of propanol, propyl acetate, and acetic acid. Briefly explain why the difference are evident. Thanks!!
*July 7, 2011*

**stats**

If other factors are held constant, how does increasing the sample variance affect the value of the independent-measures t statistic and the likelihood of rejecting the null hypothesis?
*July 3, 2011*

**Physics**

A rectangular coil of 70 turns, dimensions 0.100 m by 0.200 m and total resistance 10.0 ohms, rotates with angular speed 32.0 rad/s about the y axis in a region where a 1.00 T magnetic field is directed along the x axis. The rotation is initiated so that the plane of the coil ...
*July 2, 2011*

**Physics**

How much heat must be transferred to each kilogram of aluminum to bring it to its melting point, 660°C, from room temperature, 20°C?
*June 29, 2011*

**albebra**

Thanks drwls, I knew the answer, I just don know how to properly express it in an algebraic formula? Thanks
*June 29, 2011*

**albebra**

The answer is the easy part, but how do I express it in an algebraic formula? Ken purchased an investment property for 245,000 and sold it at a 12% loss. How much did he sell it for?
*June 29, 2011*

**trig **

A 115 foot foot casts a 147 foot shadow, what is the degree of elevation to the sun
*June 28, 2011*

**Math**

Find the probability of the following if there are 30 students in the class who have been numbered and you use a calculator to generate random numbers between 1 and 30. A number less than 10.
*June 28, 2011*