Questions Asked on
June 7, 2010

chemistry
A student completes a titration by adding 12.0 milliliters of NaOH(aq) of unknown concentration to 16.0 milliliters of 0.15 M HCl(aq). What is the molar concentration of the NaOH(aq)?
asked by taylor 
Chemistry
Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.
asked by Kelly 
physics
It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air? Please help! I do not have any clue as to how
asked by sarah 
Chemistry
What is the H3O+ in a solution that contains 1.48 g HNO3 in 0.560 L of solution?
asked by Angela 
physics
A boat takes 3hr to travel 30 km down a river, then 5hr to return. How fast is the river flowing?
asked by Kara 
earth science
surface ocean currents located at 40 degrees south latitude 90 degrees west longitude generally flow toward the northeast?
asked by ness 
math
a rabbit climb up a flight of 10 stairs and can only hop 1 or 2 steps each time. he never hops down, only up. How many ways can the rabbit hop up the flight of 10 steps?
asked by kC 
Chemistry
How many grams of potassium chloride (KCl) could be dissolved in 200g of water at 80 degrees celsius?
asked by Jessica 
Physics
the energy of a ball rolling up an inclined place plane is?
asked by Mary 
Chemistry
Calculate the boiling point elevation of a solution made from 15.0 g of a nonelectrolyte solute and 250.0 g of water. the molar mass of the solute is 50.0 g and Kb = 0.51 degrees C/m
asked by Christina 
Enthalpy Chemistry
Can someone make sure I did this write! What is the molar change in enthalpy when 100 g of ice is heated from 18.2 C to 72 C (Cp = 37.4 J/K*mol) 100g of ice = 100 g/18.2 C = 5.56 mol 5.56 mol * 37.4 J/K * mol * 53.8 K = 1118 J
asked by Libby 
Chemistry
Calculate the mass defect and the binding energy/nucleon of the nuclide 9/4 Be which has a mass of 9.012 182 24 amu. The mass of a proton is 1.007 276 47 amu and the mass of a neutron is 1.008 664 90. one amu= 1.6605*10^27 and the speed of light is
asked by Michael 
Reading (literally)
TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and littletraveled trail led eastward through the fat spruce timberland.
asked by Unknown 
Reading
TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and littletraveled trail led eastward through the fat spruce timberland.
asked by Unknown 
algebra
The test scores from Mrs. Gray's Math class are shown below. 72, 73, 66, 71, 82, 85, 95, 85, 86, 89, 91, 92 Construct a boxandwhisker plot to display these data. 65707580859095100 ^what the graph looks like^ How would you solve this
asked by Anastasia 
Chemistry
Calculate the OH of each aqueous solution aspirin, 5.9×10−4 M milk of magnesia, 1.5×10−9 M
asked by Angela 
physics
An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 15.0 s. What distance does the car travel?
asked by sarah 
business
What are some of the best practices or etiquette that should be followed when writing business emails. How is the Web affecting the way business is conducted? Are there changes in business practices that apply to a virtual company?
asked by rose 
chemistry
200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound? The Kb for water is 0.51 degrees Celsius/m
asked by Christina 
math
in each game there are 12 red checkers and 12 black checkers.If tom put all the checkers in the bag and randomly picked 2,what is the probability that both will be black?
asked by angel 
Chemistry
Which of the following redox reactions are spontaneous  SN2+(aq)+BA(s)>Sn(s)+Ba2+(aq) 2AG+(ag)+2Cl(aq)>2Ag(s)+C12(g) ZN(s)+F2(g)>2F(aq)+Zn2+(aq) 2LI(s)+Co2+>(aq)>2Li+(aq)+Co(s) 2I(aq)+K+(aq)>I2(s)+K(s) I believe it is A, C & E
asked by Mary 
Chemistry
Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.
asked by Kelly 
magnetic field
A square loop with resistance R=0.001 Ohms,mass 1.0 gram, and side length 1.0 m is falling into a region of uniform magnetic field. The magnetic field has strength 1 Gauss and is pointing out of the page. The speed of the loop just before it enters the
asked by Physics 
Physics
On your first day at work for an appliance manufacturer, you are told to figure out what to do to the period of rotation during a washer spin cycle to triple the centripetal acceleration. You impress your boss by answering immediately. Express in terms of
asked by johnny 
Macroeconomics
If it looks like a bank won't meet the Federal Reserve Bank's reserve requirement, normally it will first turn to the: A) other member banks and borrow at the federal funds rate. B) Fed and borrow at the discount rate. C) open market and borrow money
asked by Steve An 
Chemistry
Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.
asked by Kelly 
Chemistry
Calculate the mass defect and the binding energy/nucleon of the nuclide 9/4 Be which has a mass of 9.012 182 24 amu. The mass of a proton is 1.007 276 47 amu and the mass of a neutron is 1.008 664 90. one amu= 1.6605*10^27 and the speed of light is
asked by Michael 
math
one positive integer is 3 less than twice another.The sum of their squares is 482.Find the integers?
asked by kwante 
science
A test liquid has a density of 1.1 g/ml. When you pour some of it into a cup of water,what will happen (assuming that their natures are such that they don't mix and that there is no chemical reaction between the two substances)? A.the test liquid will
asked by lisha 
dynamath
the value of 2 coins is 35 cents. one of the coins is not a quarter. what are the 2 coins
asked by Jordan 
U.S. History
The are SEVEN questions below from my U.S. History take home test... any and all help would be appreciated. 1. What were the international consequences of the stock market crash in 1929? How did world leaders respond to the global depression? with what
asked by HELP NEEDED 
physics
A basketball player can jump 2.16 m off the hardwood floor. With what upward velocity did he leave the floor? (use 9.8 m/s/s)
asked by sarah 
ecommerce
true or false a transaction always has one or more activities associated with it, and an activity will always be related to a transaction
asked by Anonymous 
Geometry 10th grade
Find the perimeter or given triangle. KLM if JHG~KLM, KM=6, HJ=3, JG= 4, and GH=6. The biggest triangle is FHL. KLM is part of right corner of the big triangle and JHG is the left corner of the big triangle.
asked by T 
STATISTICS
ONE of the following can be classified as Discrete and Quantitative data. The acceleration of your car as you drive to school. The different colors of the eyes of your classmates. The number of students in your school. The height of all the people in your
asked by Jake 
English/Reading 10 HELP
TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and littletraveled trail led eastward through the fat spruce timberland.
asked by Ariel 
1st grade
Rewriting sentences with nouns and replacing them with pronouns.. The boys wanted to give a dad a gift.
asked by Aretha 
Algebra 2
a rectangle table is five times as long as it is wide if the area is 245 feet ^2 find the length and width of the table
asked by Kate 
Marketing Principles
Motivating and Leading The following are the four P's in marketing: Price Product Promotion Place Complete the following below: Choose a product or service with which you are familiar. Describe the product or service. In your own words, describe why and/or
asked by Glo 
STATISTICS
There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball )? 1/6 1/2 3/20 4/5
asked by Jake 
ss
1. what outcome did Richard Nixon have? 2. what is watergate scandal?
asked by Sara! 
history
What were the international consequences of the stock market crash in 1929? How did world leaders respond to the global depression? with what results?
asked by Joe 
10th grade Academic Math
hi can you help me with this problem please, thank you. If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
asked by Neil 
Communication and Gender Studies
Hello everyone! I need help determining how are women in the United States today being discriminated against. I need to provide atleast 3 examples. Can anyone offer some ideas? Thank you!
asked by Robert 
chemistry
200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound? The Kb for water is 0.51 degrees Celsius/m
asked by Christina 
business
Prepare a 1,750 to 2,100word paper in which you address the following as it relates to that organization: o Differentiate between management and leadership. o Describe the roles and responsibilities that organizational managers and leaders play in
asked by Anonymous 
math
If the measure of angle 1 is 123 degrees, find the measure of
asked by Emily 
chem
The full inoic equation for an electrochemical cell is Br2 + Zn yields 2Br + Zn2+. write the half reaction that occurs at the anode and the half reaction that occurs at the cathode
asked by Jessica 
10th grade Academic Math
hi can you help me with this problem please, thank you. If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
asked by Neil 
english
I need 5 sentences about the role of education in successful financial planning
asked by junior 
Pharmacy
when a generic form of drug is prescibed, which of the following must be included on the label? a. generic form name and expiration date b. generic form name and the brand name c. generic form name and the prescriber d. generic form name and the patient's
asked by Mary 
marketing
You are working in the product development department of a company that creates household products. Your team has come up with an idea for a revolutionary new cleaning product. Using the seven phases of new product development as a guide, describe how your
asked by jane 
English
what is a idiom? Is this one, " don't judge a book by it's cover"
asked by Amy~ 
statistics
In a goodnessoffit test where the sample size is 200, there are 5 categories, and the significanace level is .05. What is the critical value of x squared?
asked by Amy 
geometry
A board that is 19 feet long must be cut into two pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.
asked by Anonymous 
stoichiometry problem
how many grams of oxygen gas are needed to react with 5.7 moles of phosphorus
asked by mimi 
trig
6^(x36)=52 solve for x
asked by Jeanny 
physics  special relativity
When a rocket is moving at a constant speed, it has a relativistic mass that is 60 percent greater than its rest mass. Find the speed of the rocket. **** So far, I tried using the relativistic mass equation.. 0.6m = mv / square root 1(v/c)2
asked by CL 
algebra
The length of a rectangular field is 7 meters more than twice its width. If the perimeter is 140 meters, find the dimensions of the field.
asked by Sheila 
business
Explain how the company deals with the relationship between ethics, morality, and social issues in the legal environment
asked by myde 
Asia
What kinds of natural vegetation are found in each of Russia's climate regions?
asked by Skye 
com220
I need help with my research paper. I do not know how to do a full sentence outline
asked by cynthia 
math
how can I study for a math exam which is in 9 days???
asked by chooey 
Chemistry
what is the precipitate formed when benedicts solution reacts with glucose? give the net ionic equation for the reaction.
asked by Mark 
algebra please check :(
Are the lines parallel and how did I come to this conclusion? y + x = 5 and y  x = 5 first I it so y is by itself y = x 5 second equation = y = x +5 Would the answer be yes? y= 5 and y = 5? Not sure I really understand thx.
asked by bart 
chemistry
what is the molarity of 20 grams of HCI mixed with water to make 1 liter of solution
asked by jhjmjj 
economics
Calculate the midpoint elasticity of demand. The online bookseller wants to increase its total revenue by offering 10% discount on every book it sells.Its custmers are divided in 2 groups Group A and group B Volume of sales before the discount for Group
asked by Hilda 
STATISTICS
Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information.
asked by Jake 
Accounting
Imagine you have been selected by your manager to present a training session to a group of new employees. The new hires do not have accounting backgrounds and have little or no work history in a responsibility center. The purpose of this training session
asked by Jeff 
accounting
JULY 12 Paid $300 to send employees to realtor’s workshop. Cheque 614. is this right:::: Salaries expense (Debit) Cash (Credit)
asked by Thara! 
math
The price of an antibiotic decreased from $86.25 to $52.75 for a bottle of 100 tablets. Find the ratio of the decrease in price to the original price.
asked by rose 
Math
Find the exact value of cot theda if theda is in standard position and (7,2) is on the terminal side of Theda
asked by Anonymous 
Physical Science
how does the color of the light bulbs determine the amount of energy of the electromagnetic waves?
asked by Diamond 
Chemistry
Name this compound .................CH3 ................. CH(triple bond)CCHCHCH3 .................... ....................CH3 CH3 in the first row is directly above the CH in row 2 after the triple bond and the CH3 in the third row is directly under
asked by Mary 
English
Can you please check these sentences on "Dubliners"? Thank you a lot in advance. 1)Imagining the intensity of Michael Furey’s passion for Gretta, Gabriel realizes that in comparison his own relationship with his wife has been mediocre and emotionally
asked by Franco 
History
Why did president hoover's emphasis on voluntarism fail to resolve the problems of the great depression of the united states?
asked by Bill 
algebra
is the average of 27  x, x  8, and 3x + 11 is y, what is the average of 2y and 2y/3?
asked by brooke 
10th grade Academic Math
hi can you help me with this problem please, thank you. If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
asked by Neil 
algebra
Factor completely 2x^3y12x^2y14xy 2x^2y6xy7xy could check this problem
asked by keaton 
Statistics
Suppose that the percentage returns for a given year for all stocks listed on the New York Stock Exchange are approximately normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. Consider drawing a random sample of n= 5
asked by Mary 
factoring help
2 factor 4x 32x+48 and 2 2 2 factor (x 1)(x 4)(x 9) please and thank u verrry much is that this is due tommorow!!
asked by eva 
math
simplify cot(theta)tan(theta)
asked by Molly 
10th grade
in caesar how do the workman celebrate as the play begins
asked by Anonymous 
English
How would you describe a person who gets embrassed quickly? Into two or one word. Thanks
asked by Amy~ 
english
What is the falling action and the rising action and the catastrophe of romeo and juliet?
asked by Ted 
statistics
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
asked by SARAH 
social studies
I just needed some general help.................can you give me some tips on how to study for a socials final exam (PLEASE!). I am just not able to study, every single day I think that I will study and make my notes, but I keep postponing this, and now I
asked by chooey 
algebra 117
16v^21=0
asked by Anonymous 
accounting
Why is a bank reconciliation considered an internal control over cash? How does it provide control? What control violations might the bank reconciliation highlight?
asked by kay 
Math
what is mean by mathematical function.
asked by Nepketo 
Communication and Listening Studies
When a speaker is 20 years older that the person listening, the listener's ability to listen is affected by what factors?
asked by Laurie 
accnting
June: 1)Sold a house and collected a $6,000 commission. Ans: Cash (debit) Commission earned (credit) 2)Sold a building lot and earned a commission, $6,500. Payment is to be received on July 8. Ans: Accounts recievable (DR) comission Earned (CR) 3)Received
asked by Thara! 
WRITING SKILLS
an appositive is a noun that is placed after another noun in order to tell more about it and it's usually set off with commas. TRUE
asked by NOOR 
RE English/Reading Help
Are these right? "It was all pure white, rolling in gentle undulations where the ice jams of the freezeâ€‘up had formed." "Fifty degrees below zero stood for a bite of frost that hurt and that must be guarded against by the use of mittens, earflaps,
asked by Ariel 
medical coding
discuss the basic specifications for designing a form
asked by rochelle james 
teacher aide
how children learn
asked by Martin 
health model
I have to select a model that best reflects my own personal approach to health, and I'm not sure if yoyo dieting is the best model. Oh, and this might be the definition of "yoyo dieting". You lose some weight and gain the weight back. (your weight
asked by AL 92 
Pharmacy
The instruction "take medication with plenty of water"s an example of a. direction to the pharmacist b. the prescription format c. the subscription d. auxiliary information I chose (d) but I am having second thoughts on (b) maybe.
asked by Mary 
algebra
X^24x+3/x^2+3x18X621/x^2+10x+24 can someone work this problem for me. I have tried it does seem to work right.
asked by Ashley 
math due tommorow
2 factor 2x +x6 and 2 factor (2y 6u5+10y please i need help due tommorow
asked by eva 
calculus
How do you find the limit of: 1(1  (1/k))/2! as k increased with no bound? I know the answer is 1/2! But how do you get there? Are you supposed to divide both top and bottom by k?
asked by Jake 
algebra
I do not how to do this problem could some one help me please. x+1/x+2x^2+1/x^2x6
asked by Angelia 
Communication and Gender Studies
How are women some how privileged over men in social contexts?
asked by Michael 
History
The year 1968 seems to be one of the most memorable and significant years of the postwar era in the U.S. Why do you think it held such significance? Be sure to address both foreign and domestic affairs?
asked by Masm 
Physical Science
How does the ozone layer cause global warming?
asked by John Henry 
Algebra: ?
Give the equation of a line that is perpendicular to the graph of each equation. I do not understand. y=12 Would I just write the opposite? y = 12
asked by bart 
application statistic
assume that a set of test score is normally distrubuted with a meanof 100 and a standard deviation of 20 find the quantities using the 689599.7 rule to get: the percentage of scores less than 100: B) relative frequency of scores less than 120 c)
asked by Latoya 
AED 204
Write a 350to 500word statement that reflects on how your ethnicity influences your personal behavior, attitudes, and values. Can anyone help me on this. This is what I got so far. Well my ethnicity influences my persoanl behavior by the way that I act
asked by Rayna 
math
The voulme of fish tank with a square base is y^36y^2+9y cube inches. The hieght is Y. Find the length of a side of the square base. can some one help me please.
asked by keaton 
us history
what battle marked the beginnign of U.S involvement in Vietnam
asked by thomas 
computer science
Please design the ¡§Classes¡¨ that will work together for the implementation of the User Case ¡§Validate User¡¨ in the ATM machine. its just want us o write a diagram..
asked by travis 
algebra
x+1 over x+2 minus x^2+1 over X^2x6 I need help with this problem
asked by Angelia 
chemistry
the solubility of co2 gas in h2o depends on ...... while the solubility of h2 gas in h2o depends on.......
asked by heba 
social studies
I have to tell about the society of the Iroquois people. Does that include their system of government as well?
asked by chooey 
RE
Why is the cow sacred to hindus?
asked by toby 
com220
I need help with com220 week5 a fullsentence outline
asked by cynthia 
accounting
What are some internal controls related to cash? Why is control over cash important? What are the pros and cons of segregation of duties over cash?
asked by kay 
social studies
Should Nations pursue goals of international cooperation to ensure security
asked by jake 
English
It smells like something is burning. (Is this sentence correct? What does 'It' refer to?)
asked by rfvv 
English
For a narrative procedure, in the introduction is it general sentences about the procedure in the beginning. What would make my introduction and conclusion effective? Thanks Please if anyone could just answer the first one if they can and not a website?
asked by Amy~ 
ss
what country were we at odds with during the cold war?
asked by Sara! 
algebra
1/3(x+3)+1/6(x6)=x+3
asked by zach 
ss
who was the first african american supreme court justice?
asked by Sara! 
chemistry help please!!!!
write the symbol,mass and charge for all of the nuclear particles
asked by Anonymous 
ss
who was the oldest elected president?
asked by Sara! 
chem
write the symbol,mass and charge for all of the nuclear particles
asked by Anonymous 
chemistry
What are properties of metal and nonmetal?
asked by Anonymous 
chemm help
write the symbol,mass and charge for all of the nuclear particles
asked by Anonymous 
algebra1
what formula should i use to solve this quadratic formula? 2x2 + 4x + 2 = 0.
asked by ash 
The secotite of Gumbo Grove
HELP! I need chapter by chapter summerys 812 plz HELP ME ASAP!!!!
asked by Hadley 
social studies
Why might Americans have chosen West Point as a good place for a fort?
asked by Debbie 
English
in a journal what would you include? Would I write down everything I did like: I put the cup on the sink. Then I turned on the faucet...
asked by Amy~ 
garmex academy. early childhood
child care and protection act
asked by stacy 
English
What does this mean. Realizing who you are as a person. Could someone write some examples. Would it be that I'm determined... Thanks
asked by Amy~ 
project on alternative renewable energy souses
should i do a power point or a model display
asked by Chris 
English
What is selfconsciousness as in ... is it a mood, or thought? One word to describe this. thank you
asked by Amy~