Questions Asked on
August 2, 2010

Chemistry
If BaCO3 is placed in an evacuated flask, what partial pressure of CO2 will be present when the reaction reaches equilibrium? 298K BaCO3(s)>BaO(s)+CO2(g)
asked by Ally 
Chemistry
For many years the recovery of goldthat is, the seperation of gold from other materialsinvolved the use of potassium cyanide: 4AU + 8KCN + 02 +2H20 > 4KAu(CN)2 + 4KOH What is the minimum amount of KCN in moles needed to extract 29.0 g (about an ounce)
asked by Kate 
Chemistry
find the pH of each of the following solutions of mixtures of acids: .125M in HBr and .130 M in HCHO2, .155M in HNO2 and 9.0*10^2M in HNO3, 5.5×10−2 in acetic acid and 5.5×10−2 in hydrocyanic acid
asked by Kristen 
trigo
Scientist estimate the heights of features on the moon by measuring the lenghts of the shadows they cast on the moon's surface. From a photograph, you find that the shadow cast on the inside of a crater by its rim is 325 meters long. At the time the
asked by trigofunctions 
Finance
You are currently only invested in the Natasha Fund (aside from riskfree securities). It has an expected return of 14% with a volatility of 20%. Currently, the riskfree rate of interest of 3.8%. Your broker suggests that you add Hannah Corporation to
asked by Anonymous 
physics
Strictly speaking, you weigh a tiny bit less when you are in the lobby of a massive skyscraper than you do at home. Why is this so?
asked by Thy 
trigo
a tugboat is 36km due north of lighthouse C. Lighthouse B is directly east of lighthouse C. The lighthouses are 53km apart. Find the bearing og lighthouse B from the tugboat and the distance of lighthouse B from the tugboat.
asked by trigofunctions 
economics
) The demand curve for haircuts at Terry barnyards Hair Design is P=200.20Q Where Q is the number of cuts per week and P is the price of a haircut. Terry is considered raising her price above the current price of $15. Terry is unwilling to raise price if
asked by Anonymous 
random variables
For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places. 16. P (0 less than or equal to Z less than or equal .9) 17. P (1.3 less than or equal to Z less than or equal to) 18. P(Z
asked by Felicia 
Chemistry
A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g of each gas. Find the partial pressure of each gas in the mixture They don't give you Volume and Temperature. Please explain it to me, thank you!
asked by Joseph 
Chemistry
If 20ml of glacial acetic acid (pure HC2H3O2) is diluted to 1.5L with water, what is the pH of the resulting solution. The density of glacial acetic acid is 1.08g/ml
asked by Kristen 
Finance
31. Suppose the market portfolio is equally likely to increase by 30% or decrease by 10%. a. Calculate the beta of a firm that goes up on average by 43% when the market goes up and goes down by 17% when the market goes down. b. Calculate the beta of a firm
asked by Anonymous 
trigo
A block bordering Sapphire Street is a right triangle. You start walking around the block, taking 125 paces on Sapphire Street and 102 paces on Diamond Street. a. At what angle do Diamond and Sapphire Streets intersect? b. How many paces must you take on
asked by trigofunctions 
math
Employees of a discount appliance store receive an additional 20% off of the lowest price employee purchases a dishwasher during a 15% off sale how much will he pay if the dishwasher is 450$?
asked by pyt 
PHYSICS
A steel ball is dropped from a hight of 50 m ,how far does the ball travel during the 3rd second of the fall. my anweres was 2.0, but that's not right, im confused where i went wrong please help thanks
asked by natakapriya 
Finance
Using the data in the following table, estimate (a) he average return and volatility for each stock, (b) the covariance between the stocks, and (c) the correlation between these two stocks.
asked by Anonymous 
Chemistry
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0 container. At 23.0 , the total pressure in the container is 3.90 . Calculate the partial pressure of each gas in the container.
asked by Stephen 
english
What does the fence in "Araby" symbolize?
asked by Seashell4 
Finance
21. Consider an economy with two types of firms, S and I. S firms all move together. I firms move independently. For both types of firms, there is a 60% probability that the firms will have a 15% return and a 40% probability that the firms will have a 10%
asked by Anonymous 
chem
Say I have 50 mL of bromocresol green indicator. This solution has 80mg/L. the molar mass is 698 g/mol. Then say I took 10 mL of that solution and dilute it with .4 M HCI. I want to find the concentration/molarity of bromocresol green. This is what I have
asked by Anonymous 
US History II
In that tape, Nixon agrees that administration officials should approach Richard Helms, Director of the CIA, and Vernon A. Walters, Deputy Director, and ask them to request L. Patrick Gray, Acting Director of the FBI, to halt the Bureau's investigation
asked by Amy~ 
AP Biology
They type of learning that is involved in predator/prey interactions where an alteration in behavior is a response to stimulus is called A. Habituation Learning B. Cognitive learning C. Instinctive Learning D. Associative Learning E. Nonassociative
asked by Allison 
Finance
Suppose the market risk premium is 6.5% and the riskfree interest rate is 5%. Calculate the cost of capital of investing in a project with a beta of 1.2.
asked by Anonymous 
Finance
Consider the following two, completely separate, economies. Te expected return and volatility of all stocks in both economies is the same. In the first economy, all stocks move together in good times all prices rise together and in bad times they all fall
asked by Anonymous 
bio 100
2. Photosynthetic saturation is the maximum rate of photosynthesis. What value of light intensity produced photosynthetic saturation in corn leaves?
asked by Anonymous 
business
For this assignment you are to imagine that you are part of a select marketing group. This select group has been asked to consider the Colorado City Convention and Visitors Bureau survey of 25 hotels in the local area. The survey is concerned with the
asked by ron 
maths
If the roots of the equation x2+a2=8x+6a are real, then a belongs to
asked by chotu 
accounting
A new inventory management system for ABC Company could be developed at a cost of $200,000. The estimated net operating costs and estimated net benefits over six years of operation would be: Year Estimated Net Operation Estimated NetBenefits 0 200,000 0 1
asked by YENY 
chemistrymolarity
Say I have 50 mL of bromocresol green indicator. This solution has 80mg/L. the molar mass is 698 g/mol. Then say I took 10 mL of that solution and dilute it with .4 M HCI. I want to find the concentration/molarity of bromocresol green. This is what I have
asked by Anonymous 
math
Calculate the speed of an artificial earth satellite, assuming that it is travelling at an altitude h of 140 Km above the surface of the earth where g=9.8m/s2. The radius of earth R is 6373Km.
asked by alobi 
Algebra
Solve the system by either elimation or substitution: x+8y=18 y=2/7x18/7
asked by Katrina 
science
What causes soil erosion
asked by Liana 
Physics
A pilot wants to fly a plane directly eastward when the wind is from the north at 55 miles per hour. if the air speed is 230 miles per hour, in what direction must the plane be headed?
asked by Dude 
chemistry
# Which of the following is true for the reaction NH3(l) NH3(g) at –33°C and 1 atm pressure? (The normal boiling point for NH3 is –33°C.) Answer Question 8 answers ΔH = 0 ΔS = 0 ΔH = PΔV ΔH = ΔnRT ΔH = TΔS
asked by Chemdum 
math
use the divisibility rules to determine wheather the first number is divisible by the second. 1.279;3 279/3=93 2.1,240;6 1,240/6=206.6666667 3.3,250;5 3,250/5=650 4.835;4  835/4=208.75 5.1,249;8  1,249/8=156.125 6.2,352;2  2352/2=1176
asked by kamleen 
Reading
For my summer reading project, they require us to state the point of view and to give a quote from the book (the Alchemyst) to prove the book was written in that point of view. The book is omniscient, and almost every chapter it is a different character
asked by Gaby 
AP Biology
What is not dependent on sunlight as a source of energy? A. Benthic Zone B. Pelagic Zone C. Neritic Zone D. Taiga E. Tundra I think it's A, B, or C. Is it?
asked by Allison 
math
a recipe for punch calls for 4 cups of lemonade for every 6 quart of fruit juice. how many quarts of fruits juice should. elizabeth use if she has already added 10 cups of lemonade
asked by kamleen 
physic
a 40.0 ohm resistor and a 90.0 ohm resistor are connected in parallel, and the combination is connected across a 120 V dc line. A)what is the resistance of the parallel combination. B)what is the total current through the parallel combination. C)what is
asked by paul 
psychology
need help analyzing hoe neuro processes effect behavior and impact the field of biological psychology. just need some help understanding this question please....
asked by autumn 
math
A pole that is 2.9m tall casts a shadow that is 1.39m long. At the same time, a nearby building casts a shadow that is 36.75m long. How tall is the building.
asked by Jessica Padilla 
Coporate finance
Consider the following two, completely separate, economies. The expected return violatility of all stocks in both economies is the same. In the first economy, all stocks move togetherin good times all prices rise together and in bad times they all fall
asked by Anonymous 
Statistics
a score of 10 indicates severe depression, while a score of 0 indicates no depression. From reports, she is able to find out about past testing. Fourth graders at her school usually score 5 on the scale, but the variation is not known. Her sample of 20
asked by anonymous 
Physics
(a) CO2 emissions C from a nation’s energy system can be expressed as: C = Population x Energy consumption per person x CO2 emissions per unit of energy consumption. Initially, total emissions are 600 million tonnes of CO2 per year. If, over a 50year
asked by Raven 
math
a. Separate the fractions; 2/6, 2/5, 6/13, 1/25, 7/8, and 9/29 into two categories; those that can be written as a terminating decimal and those that cannot. Write an explanation of how you made your decision. b. orm a conjecture about which ractions can
asked by Betty 
chemistry
Sterling silver, an alloy of silver and copper, contains 7.5 percent copper by mass and has a density of 10.3 g/cm3. How many copper atoms are in a sterling silver sphere whose radius is 2.0 in?
asked by Joseph 
random variables
For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places. 16. P (0 ¡Ü Z ¡Ü .9) 17. P (1.3 ¡Ü Z ¡Ü 0) 18. P(Z > 2.5) 19. P(Z ¡Ý .75) 20. P(Z < .05) 21. P (Z ¡Ü .72)
asked by Donna 
accounting
An audit trail allows an individual to track a transaction from the journal entry to the general ledger through to the financial statements. The audit trail can also find all the transactions that comprise the dollar amount for each account listed on the
asked by Constance 
algebra
If lynn can type a page in p minutes what piece of a page can she type ing 5 minutes? 5/p p+5 p5 p/5 1p5
asked by Willie 
AP US History
Discuss the relations netween the English settlers and the Indians of the southern Atlantic coast.
asked by Ariyonia 
algebra
9*10 power of 4 divided by 3*10 power of 6 What is the scientific notation?
asked by Simone 
HELP ; MATH
9. A/12 = 3/9 A = 4 10. 8/B = 12/21 b = 14 11. 24/36 = c/15 c = 10 12. 27/6 = 18/d d = 4 13. 7/8 = e/56 e = 49 14. 27/36 = 6/f f = 8
asked by kamleen 
hum 130
How are newer religions and older ones similar
asked by derrius 
math
hannah made 4 dozen muffins. list the ways in which she could package the muffins so that there would be the same number of muffins in each package with no muffins left over
asked by kamleen 
geometry
Square 1 has an area of 49 sq. in. if each sideof square 2 is 3 times as long as each side of square 1 then waht id the perimeter of square 2
asked by Anonymous 
health
It's my first time writing a research paper, I'm not sure what it should look like and was hoping someone would have an example of one on line. I have four questions I need to answer and if I could see an example of a paper written it would really help me
asked by Teresa 
Ethics
I'm writing a research paper regarding HIPAA. There are 4 questions to answer, I've never written a paper before and I would like to see an example of a paper with questions and what it should look like with references and citations. Thanks!
asked by Anonymous 
COMPUTER.
If you are working in an environment that requires the fastest possible processing speed what does this mean to you as the lead computer expert at the organization?
asked by UNKNOWN. 
Physics
A cup of mass m, placed on the edge of a table of height h, has potential energy mgh, where g is the acceleration due to gravity. Someone slams a door, causing the cup to fall to the floor. If h = 100 cm, what is the approximate speed of the cup when it
asked by Raven 
maths
For all real x, the minimum value of 1x+x2/1+x+x2 is
asked by chotu 
Math and Science 6th grade
Hello! I need help to find a source where I can find the accurate weather of a week in July. I would very much appreciate a direct link to a website. Thanks!
asked by Anonymous 
english
A project design has been approved by management. The engineering team is about to start production of the new line. I want to be sure this process goes by smoothly. I need to come up with a communication plan to address successful development and delivery
asked by karen 
spell
it rained everyday of our vacation nevertheless; we had a great time
asked by Anonymous 
phone/internet
Hi, this isn't anything to do with home work. (Thank God I'm done with homeschooling)But I have a question to do with internet connection. I just got a new phone yesterday, and it needs connection to the wireless internet at my house so i can use internet
asked by y912f 
english
change of narration in "we are not afraid to die...if we can all be together
asked by micky 
math
if sally can paint a house in4 hours and john can paint a house in 6 hours how l of them to paint the house together????
asked by wk 
math
determine wheather 453 is divisible by 3,9 my answer is yes because 3and nine are equally divided by 3,9 is 2,3,4,6,8 divusble by 672 is 3,9 999 is 5200 divisble by 2,5,10 is 504 divisible by 2,4,6,8
asked by kamleen 
math
2a/3=2+4a 2.4 2.4 1.3 1.3 0
asked by pyt 
math
is 504 divisible by 2,4,6,8 is 111 divisible by 3,9 is 3,217 divisible by 3 is 804 divisible by 2,4,6,8
asked by kamleen 
math
if 8 gallons of gasoline cost 11.20 how much would 10 gallons cost
asked by kamleen 
math
a leap year occurs when the year is divisble by 100 but not divisible by 400 are not leap years. determine whether the following years are leap years
asked by kamleen 
health
Identify three different types of health care workers who provide direct patient care, and describe the role each plays in providing patient care. Would a nurse be one?
asked by cassie 
fnancial accounting
Joseph Corporation needs to calculate their September 30 cash balance per books. The following information is available before any adjustments were made based on the monthly bank statement. Outstanding checks $690 Balance per books $6,111 NSF check $275
asked by nichala 
COMPUTER.
What is the time measurement used in the description of Moore’s Law?
asked by UNKNOWN. 
science
What is the funtion of ionizing and nonionizing radiation?
asked by need help 
US History II
Would the fall of European countries ( Soviet Union) be considered a turning point in American History?
asked by Amy~ 
humanities
what is the name of a individual or groups that pursue liberty and happiness in the 20th century
asked by Jolander 
math
samn has a savings account that increased in a value over a twelve month period from 8765.00 to 9006.04 he made no deposits or withdrawls in that time. What percent interest did he receive for the 12 month period??
asked by Caligo 
math/fractions
kelly had 24 customers open an account during the month, which is 60 percent of her monthly goal. What is her monthly goal? How do I figure this???
asked by Caligo 
US History II
Which one would be right the Cold War ends as USSR dissolves in 1989 or 1991 ? I'm getting different years from different websites.
asked by Amy~ 
equation
2A/3=8+4A
asked by pyt 
algebra
if the diameter of a circle is 1.3*10power 12, what is the radius?
asked by Simone 
cultural diversity
If someone told you (a) Asian Americans and Pacific Islanders belong to a single Asian american culture, what do you say to them to convince them both statements are misconceptions?
asked by john smith 
AP US History
Compare and contrast England's southern colonies;what features did they have in common,and what features were peculiar to each region?
asked by Ariyonia 
math
simply 12/18 = 2;3 15/25 = 3;5 32/40 = 4;5 6/14 = 3;7 8/15 = 8;15 9/12 = 3;4 12/27 = 4;9 9/12 = 3;4
asked by kamleen 
math
South America’s population was 515,000,000 people in 2000 and 38,000,000 in 1900. To find the rate of increase, we should begin with subtracting to find the actual increase –
asked by Sara 
prealgebra
2/x5=1/x+2 the teacher said i got it wrong when i got 1/7 he got 9 if that is please explain.
asked by melissa 
math
on a map the scale is 1 inch equal 160 miles. what is the atual distance is 3 1/2 inches
asked by kamleen 
math
one bag of jelly beans contains 14 red jelly beans. how many red jelly beans would be found in 4 bag of jelly beans
asked by kamleen 
math
anna and two of her friends went apple picking. they picked 156 . can they divide the apples does each receive
asked by kamleen 
English II
How did the war began in Iraq?
asked by Betty 
web design
HI...WOULD ANYONE KNOW WHERE I MIGHT BE ABLE TO OBTAIN IMAGE EXAMPLES OF RELATIVE AND ABSOLUTE LINKS?
asked by Jim 
math
I am bouncing this questions for an hour now and still have not come up with answer I believe in. Can you solve for a variable in an equation? Explain the answer Can you help?
asked by Shaira 
Calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=0, y=x(3x) about the axis x = 0
asked by Grant 
english
What are the nouns in this sentence? In 1999, John went to Disney World for vacation.
asked by cynthia