Friday

December 2, 2016
Total # Posts: 2,561

**Chemistry**

A flask is charged with 0.100 mol of A and allowed to react to form B according to the hypothetical gas-phase reaction A(g)--> B(g) The following data are collected: Time (s) 0 40 80 120 160 Moles of A .100 .067 .045 .030 .020

*February 9, 2012*

**Physics **

A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge H = 231 m below. If the plane is traveling horizontally with a speed of 227 km/h (63.1 m/s), how far in advance of the recipients (horizontal distance) must the goods be dropped? 433m Suppose...

*February 7, 2012*

**Math**

I have to solve the equation by finding a common base. 9^(x2-1)= 1/27^x Do i cross multiply and solve for x?

*February 4, 2012*

**algebra**

you can rent a boogie board at tybee island for a $ 10 flat fee plus $.50 for each hour.The situation can be modeled by a linear eqution.What is the slope

*January 31, 2012*

**central highschool**

ken's cartoons for the school newspaper, but they wouldn't be good

*January 26, 2012*

**geometry**

need help with pythagorean theoren

*January 25, 2012*

**math**

Shane invests $7,000 in bonds that earn simple interest of 3%. The interest is payable at the maturity of the bonds after 5 years. Find the total amount that Shane will receive at the end of 5 years.

*January 25, 2012*

**electrochemistry**

How do I determine the standard potential for an aluminum half cell? Can someone please explain to me how I do this? like what are the steps? thanks

*January 25, 2012*

**psychology**

The mean score for each question.Who came up with the psychosexual stages?

*January 22, 2012*

**algebra**

A rectangular room measures 13 ½ feet long by 22 ¼ feet wide. Find the area of the room; remember, area = length x width.

*January 20, 2012*

**college math**

Select Two Cards In a board game uses the deck of 20 cards shown. first roll has five birds 2 yellow, 3 red, second roll 5 lions same, third roll five frogs the same, fourth roll has five monkeys the same. Two cards are selected at random from this deck. Determine the ...

*January 17, 2012*

**General Psychology**

what is the advantages and disadvantages of using the archival method?

*January 17, 2012*

**Physics**

A subway train starts from rest at a station and accelerates at a rate of 1.50m/s^2 for 13.3s . It runs at constant speed for 71.0s and slows down at a rate of 3.48m/s^2 until it stops at the next station. Find the total distance covered. Express your final answer in kilometers

*January 17, 2012*

**Physics**

A subway train starts from rest at a station and accelerates at a rate of 1.50m/s^2 for 13.3s . It runs at constant speed for 71.0s and slows down at a rate of 3.48m/s^2 until it stops at the next station. Find the total distance covered. Express your final answer in kilometers

*January 17, 2012*

**physics**

i got it thank

*January 16, 2012*

**physics**

Time() 0 2 4 6 8 10 12 14 16 Velocity() 0 0 2 5 10 15 20 22 22 By measuring the slope of your curve, find the magnitude of the instantaneous acceleration at times = 9s i don't know how to solve it

*January 16, 2012*

**math**

a. Suppose a market research company finds that at a price of p = $30, they would sell x = 32 baskets each month. If they lower the price to p = $10, then more people would purchase the baskets, and they can expect to sell x = 52 baskets in a month’s time. Find the ...

*January 15, 2012*

**LOGIC (PHI)**

Truth tables can do what?

*January 15, 2012*

**OOP PROGRAMMING**

Write a program the inputs (from the user) the number of hours worked and hourly pay rate for employees and outputs their total pay. The program should process an arbitrary number of employees; the user will terminate input by entering 0 for hours worked and pay rate. Use a ...

*January 14, 2012*

**math**

To balance a see saw how do you figure how far from the fulcrum should you put the weight.

*January 11, 2012*

**Math**

How many time can.03 stamp and .08 go into 2.00 nine different times

*January 11, 2012*

**math**

Given p is false, q is true, and r is false, find the truth value of the statementShow step by step work. Use keyboard shortcuts of --àfor →, < --- > for→, ↔, v for V, and˄For ˄.

*January 9, 2012*

**Math**

Incidence rate: Women 125 per 100,000 Men 1.2 per 100,000 This statistic says that for every 100,000 women in the U.S., 125 developed breast cancer. For every 100,000 men, fewer than two developed breast cancer. From these numbers, we can see that breast cancer is about 100 ...

*January 8, 2012*

**Math**

Incidence rate: Women 125 per 100,000 Men 1.2 per 100,000 This statistic says that for every 100,000 women in the U.S., 125 developed breast cancer. For every 100,000 men, fewer than two developed breast cancer. From these numbers, we can see that breast cancer is about 100 ...

*January 8, 2012*

**math**

Incidence rate: Women 125 per 100,000 Men 1.2 per 100,000 This statistic says that for every 100,000 women in the U.S., 125 developed breast cancer. For every 100,000 men, fewer than two developed breast cancer. From these numbers, we can see that breast cancer is about 100 ...

*January 8, 2012*

**Algebra**

there were 39, 520 breast cancer deaths in the U.S. in 2011, or ___ of the 2007 breast cancer deaths in the U.S. what is the equation to determine the number of breast cancer deaths in 2007 in the U.S.

*January 7, 2012*

**math**

Find the approximate value of the volume of the right circular cone of 20 cm , 32 cm with a circular base shown below. Approximate your solution to the nearest hundredth.

*December 29, 2011*

**business math**

88,800

*December 26, 2011*

**math**

Find the exact value of the volume of a can of sauerkraut with a diameter 12 centimeters and height of 8 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.

*December 26, 2011*

**math**

The length of side a, b if the congruent triangles is c) 28 ͦ a)28 what is the length of side ab

*December 23, 2011*

**Physics**

Sally Skier skiis down a rough ice covered 10.0 m high incline into a smooth bowl of radius 4.0 m. Sally starts her descent with a speed of 3.0 m/s at the top of the hill and arrives at the bottom of the bowl (point B) with a speed of 10.3 m/s. Sally has a mass of 65.0 kg. a. ...

*December 12, 2011*

**physics**

A: weight = 15.0N = mg, g = 9.81, you can find mass, 25N = ma, rearrange with your mass value to find acceleration B: X = Xo + VoT + 1/2aT^2 Xo=0, Vo=0, so X = 1/2aT^2

*December 12, 2011*

**PSYCHOLOGY! HELP!**

For each sentence in the paragraph, discuss the social influence factors that were most likely in operation. Alvin Reid, a well-dressed and ‘business-like’ man, steps into the classroom while Ms. Ramkissoon is about to start her lecture. ---- authority He politely ...

*December 10, 2011*

**statistics**

make a confidence statement about the percent of all 620 adults whose support of baseball was affected by the players strike

*December 8, 2011*

**statistics**

use the quick method to estimate the margin of error for conclusions about all 620 adults with 95% confidence

*December 8, 2011*

**statistics**

in 1995,the gallup poll asked a sample of 620 adults whether their support of baseball had been affected by a recent player strike,248 people in the sample said "yes".identify the population,parameter,sample,and statistic in this setting

*December 8, 2011*

**math**

its not 450

*December 6, 2011*

**science**

should we produce more nuclear reactors or less of them?

*December 5, 2011*

**statistics**

Consider a sample mean (xbar) of 46 caluclated from a sample of size 35 drawn from a population of over 1000. Would it be appropriate to use the standard score table to look up the probability of a z score calculated on these data? Why or why not?

*December 2, 2011*

**geometry**

Write and solve an equation to answer the question. Round your answer to the nearest tenth of a percent, if necessary. 140 towns is what percent of 1940 towns

*December 2, 2011*

**algebra**

How do you determine whether/how many nonreal solutions an equation has? The statement: x^3 - 4x^2 - 3x + 2 = 0 has two nonreal solutions is false How do I solve this?

*December 1, 2011*

**STATISTICS QUESTION**

Using the definition of recovery provided in W1: Assignment 5, determine how many participants recovered at the end of posttreatment and use a chi-square analysis to compare recovery rates across the three treatments at both posttreatment and follow-up. CBT Post treatment ...

*December 1, 2011*

**geometry**

in triangle FSH, angle f is 58 degrees and angle s is 64 degrees. in triangle LVQ, angle v is 64 degrees and angle q is 48 degrees are the two triangles similar?

*December 1, 2011*

**physics**

A 69.4-kg skier coasts up a snow-covered hill that makes an angle of 24.3° with the horizontal. The initial speed of the skier is 7.04 m/s. After coasting 1.78 m up the slope, the skier has a speed of 3.04 m/s. Calculate the work done by the kinetic frictional force that ...

*November 30, 2011*

**calculus**

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!

*November 29, 2011*

**calculus**

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!

*November 28, 2011*

**calculus**

w=4e^sqrt(s) Find the derivative of the function.

*November 28, 2011*

**Social studies**

How did the proclamation of 1763 conflict with the english bill of rights.

*November 27, 2011*

**Social studies**

How did the proclamation of 1763 conflict with the english bill of rights.

*November 27, 2011*

**phi 103**

1. ture

*November 26, 2011*

**accounting**

jim reed manages a fleet of utility trucks for a rural county government. He's been in his job 30 years, and he knows where the angles are. He makes sure that when new trucks are purchased, the salvage is set as low as possible. Then, when they become fully depreciated ...

*November 25, 2011*

**socials**

what happened after the cypress hill massacre?? The white invaders formed the Northwest Mounted Police ???? what else happened?

*November 21, 2011*

**socials**

what happened after the cypress hill massacre?? The white invaders formed the Northwest Mounted Police ???? what else happened?

*November 20, 2011*

**chemistry**

Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.90 g of acetic acid and 6.28 grams of isopentyl ...

*November 17, 2011*

**Physics**

An airplane is flying with a constant speed of 275 m/s along a horizontal circle with a radius of 1.23 x 104 m. If the lift force of the air on the wings is perpendicular to the wings, at what angle, relative to the horizontal, should the wings be banked?

*November 15, 2011*

**chemistry**

how do i convert the reagent and the number of grams into moles?

*November 15, 2011*

**chemistry**

I found the limiting reactant. What numbers do i use to calculate the theoretical yield?

*November 15, 2011*

**chemistry**

Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of bananas. If the yield from the reaction is 45%, how many grams of isopentyl acetate are formed when 3.90 g of acetic acid and 6.28 grams of isopentyl ...

*November 15, 2011*

**chemistry**

thank you I get it now

*November 15, 2011*

**chemistry**

The following reaction is used to produce tungsten(VI)oxide: WS3(s) + O2(g) → WO3(s) + SO2(g) The WO3 is then heated and undergoes a decomposition reaction produce tungsten and oxygen gas. How many grams of tungsten could be produced if 16.91 grams of WS3 are used? How ...

*November 15, 2011*

**Chemistry**

C15H30 is a hydrocarbon that reacts with oxygen gas to give carbon dioxide and water. Calculate the mass of water (grams) formed when 724.05 grams of the hydrocarbon reacts with the oxygen gas.

*November 14, 2011*

**Operations Management**

Suppose the company has revised its plans for the processes described in part “a” to accommodate technological process changes. Determine the placement of departments that will now minimize total travel cost. Use the distances shown in part “a”, but use the...

*November 10, 2011*

**Operations Management**

Determine the placement of departments for a newly designed facility that will minimize total transportation costs using the data in the following tables. Assume that reverse distances are the same. The locations are shown in the grid. Use a cost of $1 per trip yard.

*November 10, 2011*

**physics : HELP PLEASE**

A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &#...

*November 8, 2011*

**physics : HELP PLEASE**

A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &#...

*November 8, 2011*

**physics**

A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &#...

*November 8, 2011*

**physics**

A ball rolls along a desktop with an uniform velocity of 3 m/s. What is the displacement after 10 seconds have passed? A ball is thrown upward with an initial velocity of 18 m/s? What is the maximum height the ball reaches if the ball is assumed to leave from the ground? &#...

*November 8, 2011*

**physics**

does F=ma predict the acceleration of the system accurately?

*November 7, 2011*

**physics**

does F=ma predict the acceleration of the system accurately?

*November 7, 2011*

**physics**

does F=ma predict the acceleration of the system accurately?

*November 7, 2011*

**Math**

Find the probability that a randomly selected sample of 30 men has a mean greater than 68 inches. The mean height of men is 69 inches and standard deviation of 2.8 inches

*November 6, 2011*

**data management**

A survey of 1000 veiwers conducted by a television station produced the following data: 40% watched the news at 12:00 60% watched the news at 18:00 50% watched the news at 23:00 25% watched at 12:00 and 18:00 20% watched at 12:00 and 18:00 20% watched at 18:00 and 23:00 10% ...

*November 6, 2011*

**general inorganic biochemistry**

you have set up the apparatus for this experiment and collected the following data: Atmospheric pressure- 721.o torr temperature-22.0c Gas constant- 0.0821 L atm/mol K you then ran the experiment using 0.3234 g of alka seltzer and generated a volume of CO2 of 40.16 ml How many...

*November 1, 2011*

**geometry**

M<A=M<C. 2X-25=X+5. X=30

*October 29, 2011*

**statistics**

A distribution of values follows a N(140,22) distribution. From this distribution you are drawing samples of size 12. Find the interval containing the middle-most 34% of the sample means. Round your values to 1 decimal place.

*October 27, 2011*

**social work**

1. Identify and describe at least four frameworks that can be used in understanding mental health problems.

*October 27, 2011*

**Managerial finance**

After considering all the relevant factors, would you recommend a zero coupon issue or a regular coupon issue? Why? Would you recommend an ordinary call feature or a make-whole call-feature? Why?

*October 26, 2011*

**Com/170**

Write a 150- to 200-word paragraph to explain the importance of purpose, audience, tone, and content in academic writing. Use the three components of a good paragraph covered in this week's readings. Underline your topic sentence. Boldface your concluding sentence in the ...

*October 23, 2011*

**literature**

anyone know answers to lesson 7 drama

*October 21, 2011*

**pre algebra**

thanks

*October 19, 2011*

**pre algebra**

your just in time

*October 19, 2011*

**pre algebra**

yep thanks alot that's what i got

*October 19, 2011*

**pre algebra**

I soon have to go to bed

*October 19, 2011*

**pre algebra**

i got 14u+ -30 but my work looks weird can you help me see if it right

*October 19, 2011*

**pre algebra**

how do you show your work on the problem 20u+ -6(u+5)

*October 19, 2011*

**pre algerbra**

thanks so much that really help me

*October 19, 2011*

**pre algerbra**

i know the answer is 4k+ -8 but i need to figure out how i show my work

*October 19, 2011*

**pre algerbra**

how do you do this problem5(k-7)-k+7

*October 19, 2011*

**gen/105**

Suppose you had to write a paper on academic honesty in higher learning. Conduct an Internet search on this topic and answer the following questions: What search engines did you use? What search techniques did you use? What Web sites did you visit? Comment on the effectiveness...

*October 17, 2011*

**Ethnic**

• Write a 700- to 1,050-word essay in which you answer the following questions: 1. What distinguishes African American Muslims from other practicing Muslims in the United States? 2. How has the immigration of Muslims and Arabs been influenced by the governmental policies ...

*October 16, 2011*

**ten commandmant**

How do rules actually make us free? Like referring to the ten commandments, how do they allow us to be free instead of feeling as if we are living by rules and regulations

*October 13, 2011*

**chemistry**

How do i find the weight % of sulfate if I am given the mass?

*October 13, 2011*

**chemistry**

how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?

*October 13, 2011*

**math**

How do u get a perimeter.

*October 11, 2011*

**Math**

I did not understand need help please.

*October 11, 2011*

**Math**

How di u get the answer fir 2.5cm x 2.5 cm =

*October 11, 2011*

**Math**

What is 2.5 cm x 2.5 cm =

*October 11, 2011*

**math**

How do u get a perimeter.

*October 11, 2011*

**Cultural Diversity**

Ok. Could you give me a little bit more, as in a paragrapgh

*October 10, 2011*