Questions Asked on
February 3, 2010

organ chem
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
asked by j 
math
a heavy freight train made a trip of 360 miles, running part of the distance at 54 miles an hour and the rest at 48 miles an hour.if the entire trip took 7 hours,find the distance traveled at each rate.
asked by chris 
Geometry
What is the sum of the measures of the interior angles of a convex octagon? What is the sum of the measures of the interior angles of a convex decagon? What is the measure of one interior angle of a regular polygon with 20 sides? Thank You! (:
asked by Alan 
algebra
Every week Linda must stuff 1000 envelopes. She can do the job by herself in 6hrs. If Laura helps, they get done in 5 1/2 hrs. How long would it take Laura to do the job herself?
asked by magyc 
health
A seven year old boy breaks his tibia and requires immobilization by a hard cast for six weeks until the break heals. A potential consequence of this therapy is atrophy of the
asked by Mary 
Chemistry
How do you find the moles of excess reactant? I already know the limiting reactant btw.
asked by Stuck 
Calculus
Find the surface area formed by revolving the graph of f(x)=81x^2 on the interval [0,9] about the yaxis. (express the answer in terms of pie.)
asked by Nancy 
Physics
You are flying in a light airplane spotting traffic for a radio station. Your flight carries you due east above a highway. Landmarks below tell you that your speed is 46.0 m/s relative to the ground and your air speed indicator also reads 46.0m/s. However,
asked by Anonymous 
physics
how do you determine the relationship between the angle of a ramp and speed of an object sliding down the ramp?
asked by bjc 
calculus
find the area of the region enclosed by y= square root of x, y=x2, and y=0. i use f(x)  g(x) and got the answer to be 2, but my classmate got 8/3 do i'm really confuse don't know whats the answer.
asked by Nancy 
Physics
Any ideal gas temperature may be written as T = Ti*r where Ti=temp at ice point and r = lim(P/Pi) at constant V. Show that the fractional error in T is dT/T = dr/r + 3.73 drs/rs where r s = lim(Ps/Pi) at constant V. Ps is pressure at steam and Pi is
asked by Jane 
Microeconomics
If the equilibrium price of silver is 4 dollars an ounce, under conditions of perfect competition and the industry is in long run equilibrium, will the average total cost of silver be less, equal or exceed 4 dollars?
asked by Julia 
Political Science
"A belief in equal rights has often led to the belief in equality of opportunity" and "American society does not emphasize equal results or equal rewards" Explain these conceptions of equality in 200 to 300 words. Include examples from text or current
asked by Rayna 
Maths
If y is a function of x and z = e^z, show that: x (dy/dx) = (dy/dz) and (x^2) (d2y/dx2) = (d2y/dz2)  (dy/dz) I managed to work out the first part. But I don't know how to prove the second part. Can someone please show me how? Thanks!
asked by Claire 
physics
i have to do an experiment to "determine the relationship between the angle of the rampand speed of an object sliding down it" i was told i had to have a few variables. controlled(keep the same) independent(change 1 thing) dependent(measure 1 thing) so
asked by bjc 
math
 Using each of the ten digits 0,1,..9 just once, is it possible to form positive integers whose sum is exactly 100?  The only timepiece owned by a man was a wall clock which had stopped because he had forgotten to wind it. In the afternoon, he wound it
asked by KMTRENd 
Maths
Please help with these questions: (please show how to do) 1. How many differently shaped rectangles, with positive integer dimensions, have a perimeter equal to their area? 2. Let x be any number less than one, and let y be any number greater than one. S=
asked by Mea C 
Science chemistry
when carbon dioxide is passed into limewater, a white precipitate is formed. if carbon dioxide is passed continously into limewater, the white precipitate disappears. Explain why and give equations for the reactions.
asked by saki 
science
why does first mosit litmus paper red and then make it lose colour?
asked by saki 
Science chemistry
give an example of a metal/alkali mixture that produces hydrogen more vigorously than a zinc/acid mixture.
asked by saki 
Physics
A car motor is slowing down from 4200 to 1100 rpm over 4 sec. The negative acceleration is approximately 81(I don't have the problem in front of me). How many revolutions does the motor make over those 4 sec. I can't figure this out because the revolutions
asked by Alyson 
Geometry
Solve the square root of 90 divided by the square root of 9?
asked by Bryan 
English
1. The best thing (that/which) I've learned this year was something about myself. (Which one was missing in the parentheses, that or which? Are both expressions can be used?) 2. The best thing I've learned this year is the Korean language. ( I've leanred
asked by rfvv 
English
1. Most of the apples are rotten/bad. 2. Most of the water was polluted. 3. Twothirds of the chestnuts were spoiled. 4. Twothirds of the milk was contaminated. (Are all the expressions grammatical?)
asked by rfvv 
English
1. I couldn't do the shopping by myself. 2. I couldn't enjoy shopping by myself. 3. I couldn't go shopping by myself. (Are they all grammatical?) 4.I can do those things with no problem. 5. I can do those things without any problem. (Are both the same?)
asked by rfvv 
English
1. The pen was a gift from my father. 2. The pen was a gift by my father. (Can we use 'by' instead of 'from'?) 3. I hope you will like this one. 4. I hope you to like this one. 5. I want you will like this one. 6. I want you to like this one. (#3 and #6
asked by rfvv 
english
What kind of sentences are these? (simple compound, or complex) 1.The other woman were far off in the field, when we stopped ate the hedge by the side of the road. 2.Then the three of the sisiters in the field appeared, coming toward the road, so the
asked by christina 
English
1. Teamwork is more important than anything else. 2. Teamwork is more important than any other thing. 3. Teamwork is more important than all the other things. 4. Nothing is more important than teamwork. 5. Nothing is so/as important as teamwork. 6. Nothing
asked by rfvv 
English
1. To return, we had to go across a stream, but the water rose very quickly. 2. To return, we had to go across a stream, but the water became high very quickly. (Are both the same?) 3. To return, we had to go across a stream. Suddenly the water reduced
asked by rfvv 
chemistry
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
asked by j 
math
The base of a triangle is 10 cm longer than the height. Determine the height of the triangle if its area is 48 cm^2. I just plugged in number and got 6cm for the height and 16cm for the base. But I need to show work and I cant remember how to solve this.
asked by Kaylee 
Math
A rectangular pad of concrete is outlined by a 52m stripe of paint. Find the dimensions of this pad if the surface area is 168m^2.
asked by Kaylee 
english
its a probable thesis statement( speaking more than 1 language s a great advantage) . write the paragraph widin 50 worda..
asked by MUHID 
Physics
You are flying in a light airplane spotting traffic for a radio station. Your flight carries you due east above a highway. Landmarks below tell you that your speed is 46.0 m/s relative to the ground and your air speed indicator also reads 46.0m/s. However,
asked by Anonymous 
8th Grade Algebra Confusion
Hi. I am starting a new section in Algebra, and I thought I understood it. But when I went to the back of my book to check the answers, they were way off. We are dividing and simplifying radical expressions and equations.
asked by Celeste 
englishliterature
is there a book which treats To Kill A Mocking Bird through a psychoanalitial approach?
asked by naceur 
spanish
What does "to dal ay nochay" mean in English?
asked by Kathy 
Math
How do you solve this? 82(t1)=t+7 The answer is suppose to be 1 u83u=2u+7 The answer is suppose to be 15/4
asked by Veronica 
English translation please
I believe it might be "abrazame fuerte Ay,ay ay ay ay,hoochiecoo,toda la noche" That's the way my song sight spelled it out.
asked by Kathy 
English
Thank you very much for your last corrections. Here are some more sentences about Christmas holidays I would like you to check. 1) How long did your Chrismas holidays last? 2) How long did it take you to eat your Christmas lunch? OR How much time (How
asked by Franco 
art
how mant difernet arts pices are there
asked by sylvia 
math
Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is required in order to reach at break even point depending on the suggested price of item, production capacity, fixed and variable
asked by eddy 
English
Thank you very, very much for your help. Which of the following questions are you more likely to use? 1) How long did it take you to eat your Christmas lunch? OR How much time (How long) did you spend eating your Christmas lunch? 2)How much did it cost to
asked by Franco 
Math
A rectangular pad of concrete is outlined by a 52m stripe of paint. Find the dimensions of this pad if the surface area is 168m^2. drwls: Is there any way you can explain why you did what you did? I don't understand. You had this: 2 (L + W) = 52
asked by Kaylee 
Chemistry
Hey guys I did a lab and I have to answer the questions relating to the lab. I did question can someone please check if these are accurate 1. Calculation to Determine the molecular weight of unknown substance Mass of unknown used: 2.0232 g Mass of water
asked by Saira 
Math
Are the lines 3x14y=9 and 14x+3y=3 parallel, perpendicular, or neither? Is it perpendicular because the slopes are 14/3,3/14
asked by Jaison 
Physics
A car accelarates from 40 mph to 60mph in 2.20 sec. determine the car's accelaration in gs. my answer is .911g Determine how far the car went during that 2.20 sec interval. 41.6 m
asked by Gweedo8 
Maths
If z=(x^n) f(x/y), where f is an arbitrary function, show that: x(partial z/partial x) + y (partial z / partial y) = nz Can someone please show me how to work it out? Thanks!
asked by Claire 
art
what is distracted paper?
asked by Sara 
art
I have been asked to draw a picture of myself on distracted paper (could this be newspaper)?
asked by Sara 
Finance
Using the finance for the Goodyear Calendar Company caluate the basic ratios.
asked by Sarah 
American National Government
What is a current event example that illustrates the power of one branch of government to check another?
asked by Sarai 
trig
A plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To solve, use the trigonometric chart. Round the answer to the nearest tenth.
asked by Anonymous 
computer history
explain history of computer
asked by history of computer 
english
i am having trouble writing an alliteration/anomatopoei poem that has to do with an alins point of view
asked by cvb 
painting
plz can u help me i av to find out about three different types of lino printing and i dunno wat to look at let me know as soon as poss i need it now really thanx
asked by bethany 
intro to corrections
identify and describe the five functions of jails
asked by lacy 
ALGREBRA
THE FASTEST MOVING INSECT IS THE LARGE TROPICAL COCHROACH. IT SCURRIES AT SPEEDS OF UP TO 2.3 FEET PER SECOND. NOW WRITE AN EQUATION THAT REPRESENTS HOW MANY MILES A ROACH CAN TRAVEL IN 1.5 HOURS
asked by MARY 
11th grade
What do you call a female bug that floats? it has to do with algebra. It shows you solutions and graphs. the graphs have letters in front of them so you can try and figure out what the answer is.
asked by Kim 
popular american culture
how would i rewrite a fragment sentence for example THE ENDEAVOR TO INFLUENCE A SPECIFIC AUDIENCE TO BUY A GOODS OR SERVICE OR A SPECIFIC BELIEF SHOW ME HOW TO REWRITE IT PLEASE
asked by KATRINA 
R.E
do you think families need a mother and a father who are married
asked by sara 
Art
The design for Cubist artwork was dramatically different from what had come before in the history of painting. Why did the artists involved in the creation of Cubism choose this radical and innovative approach to the design of their artwork? What
asked by Anna 
Math
How do you solve this... 9+5x/2=2x4 The answer is suppose to be 17 thank you for your help.
asked by Courtney 
popular american culture
please forgive me just was typing in cap no disrepected to anybody. i need a good example of how to rewrite this fragment sentence the endeavor to influence a specific audience to buy a goods or service or a specific belief i need someone just to show me
asked by KATRINA 
Math
x/23=x/5+1 The answer is suppose to be 40/3... I don't know how do this
asked by Madison 
Algebra
1. Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 25 tons of rock to cover the area. If each ton cost $40 and each tree is $65, what is the minimum number of trees you can buy
asked by Anna 
English
My teacher wants me to proofread and make corrections on the following. Can you help me. I will send over the question and then below is what I have revised will you check it for me? The following paragraph contains five errors in grammar, punctuation,
asked by Robin 
chemistry
how many moles in 100g of each.. its for phosphorous
asked by ahilary 
Maths
Using each of the 10 digits 0 to 9 just once, is it possible to form positive integers who se sum is exactly 100?
asked by Jane 
Maths
Andrew arranged the number 1, 2, 3, ...11, 12 into six pairs so that the sum ofany two numbers in a pair is prime and no two of these primes are equal. find the primes and the pairs
asked by Jane 
Maths
"How old are your three children?" the maths teachers ask a former student. He is told their ages add to 13, and multiply to give the number on his study door (which they can both see). "i will need to know more", the master days, after a few moments
asked by Jane 
history
when evaluating a web rescource wich terms refers to weather the information is realiable or error free? a. accuracy b. authority c. coverage d. objectivity
asked by andres 
health unit
I have to develop a lesson plan for a health unit on "What Makes Us Grow" based on a class size of 15 children. I have to include objectives, the time required, materials needed, learning activities, measures for evaluation, and any teacher resource
asked by christina 
physics
What displacemtn at 70 degrees has an xcomponent of 450m? What is its ycomponent? I know the answers are 1.3 and 1.2... but don't know how to work it out?? PLEASE HELP!!
asked by Kim 
phi 105
Choose one of the text excerpts below. o Chapter 2, p. 28: On Rabbits and Motion o Chapter 2, p. 33: Free Will versus Determinism o Chapter 4, p. 72: Aristotle and Plato on Forms o Chapter 5, p. 83: Augustine on God and Time „h Write a 350 to 700word
asked by trudy 
College related
What is the connection between moral character and political activism? Should there be a link between good moral character and political activity?
asked by Devonette 
medical office administration
A man is shot in the head, and the bullet stops just outside the dura mater.what is the innermost layer that the bullet has penetrated
asked by Peggy miller 
Social Studies (URGENT)
Why was it much more common to help and visit on'es neighbours during the 1820's in Upper Canada than it is here today? This is the only part in the textbook that talks about it but I can't find answer. text: It was much more common to help and visit on'es
asked by John 
Algebra!
I don't understand how to factor trimonials.
asked by Ashley 
algebra
I am having an extremely tough time with integers in algebra when simplifying algebraic expressions. No matter which method I use I still end up confused and end up with a completely different answer. Ex: 5t{7t[4r3(t7)]+6r}4r
asked by marco 
English
Can you proofread this revision and tell me if it looks correct? Thank you. You should invest in a good Dictionary—and a good Thesaurus as well—to help you write well. But you should also realize, as even Samuel Johnson did when he compiled the first
asked by Robin 
taxes
if a person made 1892.32 for the year of 2009 and they are claiming three dependents,will they get a good refund amount?
asked by annoymous 
physics
a person throws a ball upward into the air with an initial velocity of 20.0 m/s, calculate how high it goes
asked by Anonymous 
alegebra
when do sky divers use decimals ?
asked by jay 
popular american culture
hi i had to write a paper on print media and i sent my paper though writepoint and it said that this phrase of my paper was to wordiness and consider revising nothing inappropriate so what else could i say thank you
asked by KATRINA 
public speaking
I don't know if i can post what i have done so far but i wanted someone to point me in the right direction.. I will critically evaluate every aspect of the speech that the President made especially his delivery, audience, movements, eye contact, posture,
asked by yoany 
math
I need help finding the answer In the US about 46% of the population wear glasses or contact lenses. A sample of 85 people is taken. About how many people would you ecpect to wear glasses or contact lenses? Do I multiply .46 to 85?
asked by Kyle 
Physics
Two identical spheres, A and B, carry charges of +6 microcoulombs and 2 microcoulombs. If these spheres touch, what will be the resulting charge on sphere A?
asked by Priscilla 
statistics
According to a recent survey, 38% of americans get 6 hours or less of sleep each night. If 25 people are selected, find the probability that 14 or more people will get 6 hours or less sleep each night..
asked by brin 
Algebra help
m having an extremely tough time with integers in algebra when simplifying algebraic expressions. No matter which method I use I still end up confused and end up with a completely different answer. Ex: 5t{7t[4r3(t7)]+6r}4r
asked by marco 
Physics
The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be a) F/2 b) 2f c) F/4 d) 4F I know when the distance is decreased
asked by Priscilla 
Business Math and Statistics
Suggest if the company need to set aside the lump sum of money that will collect interest or company should purchase annuities. Support your suggestion with argument.
asked by Anonymous 
science
I am doing a project on Isaac Newton and have to find info on born,died,study, famous scientists he worked with,apple and laws of motion. I have found all the answers except the famous scientists he worked with. I have been on lots of websites but I cannot
asked by Janey 
social studies
i have to choose a location for a theme park , how would geography affect my choice
asked by savannah 
popular american culture
how can i post my essay to this website and then i might can get the help i need because im getting cluster with fusturated please help me
asked by KATRINA 
science
Am i correct saying that Isaac Newton studied at Trinity College, Cambridge and University of Cambridge, Royal Society and Royal Mint. Any help is appreciated. Many thanks.
asked by Janey again 
com220
Need some feedback or a review of a rough draft essay and full sentence outline. It may appear that I am not referencing sources, but believe me I have full reference page with 7 sources to site thus far in. I just need someone to take a look at the layout
asked by wendy 
math
How many milliliters of a 75% acid solution must be added to 90 ml of a 10% acid solution to make a 25% acid solution?
asked by Jason 
Math
2(x+1)/4
asked by Cara 
3rd grade
Need help unscrambling these letters: eeiochrs
asked by Nicholas 
trig
The eyes of a basketball player are 6 feet above the floor. The player is at the freethrow line, which is 15 feet from the center of the basket rim. What is the angle of elevation from the player's eyes to the center of the rim if the rim is 10 feet above
asked by anonymous 
Math
Can you please explain to me how to do this? 3y/41/2=2
asked by Clinton 
Maath
I don't understand how to do this. I read the steps in the book and they are really confusing. Any help would be beneficial. r/5=r+1/8
asked by Vanya 
English
Invent something that would make doing homework easier. Explain it 5+ sentences. Copy into paragraph format.
asked by Nelson 
Math
Two small planes start from the same point and fly in the opposite directions. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.
asked by Matthew 
geometry
what is regular and not regular polygons?
asked by Kaleb 
math
what does Ø mean
asked by george 
Math
Which of the following would eliminate the variable on the left side of the given equation? 36  19w = 6w + 41 A)add 19w B)add 6w C)add 19w D)add 36
asked by george 
Math
what is the least 4digit number you can make with the digits 2, 4, 3, 1?
asked by Brianna 
Homework
What 5 leter words can you get out of these letters: eeiochrs I already got: chores, choir, chore, cheer  need 2 more
asked by Nicholas 
physics
Radio waves, light and Xrays, electromagnetic waves
asked by oumayma 
English/Ideas
I have to write a 10 minute play in English on a topic of my choosing. I'm in High School and I need a couple of ideas. I'm pretty good when it comes to writing, it just takes me a while to come up with a topic. I was thinking maybe something funny,
asked by Anne 
college english
I have to find five errors in this paragraph and rewrite it correctly, please see my version after the original version below. Please let me know what you think, is it grammatically correct? Original paragraph: When your dictionary shows more than one
asked by Wendy 
calculus
Differentiate the following function. f (x) = 6 x 2 sin(x)tan(x) Where do I begin?
asked by Gabe 
biology
what causes the PH to change as the food moves from the stomach to the small intestine
asked by lila 
Math
(8.3*10^2)*(9.1*10^7) Please help me solve this result in scientific notation.
asked by Gaby 
Social Studies
Explain why children's literature is a key component in content area reading instruction.
asked by Anonymous 
Math
How many milliliters of a 75% acid solution must be added to 90 ml of a 10% acid solution to make a 25% acid solution?
asked by Jason 
Physics
1. The electrostatic force of attraction between two small spheres that are 1.0 meter apart is F. If the distance between the spheres is decreased to 0.5 meter, the electrostatic force will be a) F/2 b) 2f c) F/4 d) 4F I know when the distance is decreased
asked by Priscilla 
English!
If you decided to search for information from ABI/INFORM, what pieces of information would always be included within your search results? Answer (A) Article title, date, and name of publication (B) Call number, title, date of publication (C) Article title,
asked by *Thara* 
english!
Make sure you understand the topic(s) is a step in the research process. (A) This step needs to be done as soon as your research is completed. (B) This step is the last step in the research process. (C) Always ensure you grasp the topic before you go to
asked by *Thara* 
English!
What type of company information can be found on the business library databases? Answer (a) Fulltext articles on Canadian companies from newspapers, magazines and journals. (b) Fulltext articles on Canadian companies from newspapers, magazine and
asked by *Thara* 
US History
I need to pick a term paper topic involving American History. I want to do something about a controversy during a war time, but I don't know what to pick. Maybe something during the Vietnam War or the Gulf War? Where could I find thesis ideas or do you
asked by Dan 
math
3x/41/2 is
asked by John 
Math
7x/8 + 1/4 > or equal to 3x/4
asked by Miranda 
Social Studies
I need help finding a current event. I have looked everywhere and can't find one. It is supposed to be about catholic schools week and has to have happened anytime between last sunday and today. please don't give me one about a certain school. i would like
asked by Zoey 
geometry
what is a quadrilateral shape with adjacent sides not equal; 2 pairs of conguent sides; 4 right angles?
asked by nick 
Science/History
On my previous post at 3.22pm (& 3.29pm) pm I asked what famous scientists did Isaac Newton work with. Unfortnately noone has answered and I have been unable to find a website that tells me. I have come across Edmund Halley name linked to Newton's would
asked by Janey 
math
Round the number to the place value indicated. 14) 235 14) _____ A) 7900 B) 8100 C) 8000 D) 9000
asked by Jean 
World History
I know what the white man's burden means, but my teacher wants us to rewrite it in a modern way. I am confused on how to do it could someone do the first stanza for me as an example? Take up the White man's burden  Send forth the best ye breed  Go bind
asked by Briana 
writing
in acts of resistance what is the tone of scarry introductory paragraph?
asked by megan 
Chemistry
What is the representative particle for a salt, nacl2?
asked by Adrian 
chemistry
what ion has 12 protons and 10 electrons?
asked by abby road 
Algebra 3
x^2/x^21 divided by 3x/x+1
asked by Jennifer 
Biology
14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a fivecarbon sugar, phosphate group, and a nitrogencontaining base c. adenine, guanine, cytosine, and thymine d. all of the above D 16. During DNA
asked by mysterychicken 
journalism?
did any members of the present supreme court vote on the hazelwood case in 1988?
asked by stace 
chemistry
Hello, I am having problem with two lab questions and was wondering if someone can help! 1. Calculate the percentage of the empty space in a facecentered cubic lattice, and show that it does not depend on the edge length of the unit cell ot on the size of
asked by Dina 
precalculus
Verify the following: tan^2  sin^2 = tan^2 x sin^2 Thanks.
asked by Jane 
college physics
A particularly beutiful note reaching your ear from a stradivarius violin has a wavelength of 39.1cm. The room is slightly warm, so the speed of sound is 344m/s. If the string's linear density is 0.670g/m and the tension is 140N, how long is the vibrating
asked by genevieve 
science
The skeleton consists of 4 things what are they?
asked by carmelo 
physics
Four identical charges (+4.0 uC each) are brought from infinity and fixed to a straight line. The charges are located 0.33m apart. Determine the electric potential energy of this group.
asked by Allee 
Physics
Two idencial point charges (q = 7.40 x 10^6 C) are fixed at diagonally opposite corners of a square with sides of length 0.440m. A test charge (q = 2.30 x 10^8 C), with a mass of 7.25 x 10^8 kg, is released from rest at one of the empty corners of the
asked by Allee 
Message for KMTRENd
One would have thought that the least you could have done was give an acknowledgment for a most extraordinary reply you got to your question by tchrwill http://www.jiskha.com/display.cgi?id=1265187860
asked by Reiny 
English
I have to do a descriptive paragraph and here are the directions: I can write a descriptive paragraph on either a place I like or an imaginary place.I picked imaginary 1. First sentence begins with an adjective 2.2nd sentence begins with an adjective
asked by Sara 
chemistry
To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) Determine the mass of gold that can be extracted if 27.4 g sodium
asked by r 
chemistry
To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) Determine the mass of gold that can be extracted if 27.4 g sodium
asked by r 
chemistry
When surface water dissolves carbon dioxide, carbonic acid (H2CO3) is formed. When the water moves underground through limestone formations, the limestone dissolves and caves are sometimes produced. CaCO3(s) + H2CO3(aq) Ca(HCO3)2(aq) What mass of limestone
asked by u 
Health Care
why is it important too individualize an integrative treatment plan?
asked by Jake 
Science
Pendulum question: What factors determine the swing rate of a pendulum? prediction: ? I don't get it, It says write a prediction about what factor(s) you think will affect the swing rate and how these factor(s) might affect the swing rate.
asked by Sara 
Chemistry (Grade 11)
A radioactive sample of 141Cs has a halflife of 32.5 days. In a sample that contains 8.00*10^7 nuclei of 141Cs, how many beta particles per second will be emitted? A 19.8 B 1.7*10^6 C 71 076 D 1185 E 2.47*10^7 The 141 supposed to be a superscript text,
asked by David 
physics
The centers of a 8 kg lead ball and a 100 g lead ball are separated by 13 cm. What gravitational force does each exert on the other?
asked by margaret 
health care
Health care is evolving and facing increasing challenges related to reimbursement, staff shortages, patient safety, increasing costs, and increasing regulatory requirements. As a health care leader, ehich leadership skills do you find most valuable when
asked by annoymous 
Meters
Vincent has cut three pieces of rope to complete a science project. Two pieces are of equal length. The third piece is onequarter the length of each rope of the others. He cut the three pieces from a rope 54 meters long with any rope left over. Fine the
asked by Camile 
economics
what is the consumer surplus, producer surplus and deadweight loss if a monopolist has demand p=100Q and Cost= 10Q Thanks xox
asked by chloe 
trig/algebra
if p is a multiple of 3 and q is a multiple of 5 which of the following is true?
asked by samantha 
Science
Explain why every substance has a characteristic density, but no substance has a characteristic mass.
asked by Bo 
Science
It says: What variable(s) affect the swing rate of a pendulum? What variable(s) do not? Variables which affect the swing rate of a pendulum are wind, weight, height, gravity, and strength of string. I don't know the second part. maybe time?, distance?
asked by Sara 
trig
In triangle ABC, sinA=0.6, a=10 and b=7. Find sinB
asked by Pema 
social studies
what are three natural resources in Iowa?
asked by amanda 
Precalculus
Pilot Reem Ahmad's flight plan has her leaving Dulles International Airport and flying a Boeing 727 due east at 450 mph. There is a 65 mph wind with the bearing 60 degrees. a. Determine the compass heading that Reem should follow. b. Determine the
asked by Marie 
Statistics
Ok please help me. Here is my stats question Suppose there is a 20% chance of striking oil at a certain location. An oil company drills at 5 different spots. What is the probablity of them striking oil on at least one of the spots? Any help is greatly
asked by Aaron 
Precalculus
Juana and Diego Gonzales, ages six and four respectively, own a strong and stubborn puppy named Corporal. It is so hard to take Corporal for a walk that they devise a scheme to use two leashes. If Juana and Diego pull with forces of 23 lb and 27 lb at the
asked by Marie 
US HISTORY
I am trying to understand the following 3 concepts: Popular Sovereignty Separation of powers (and the 3 branches of gov) Checks and balances (how does a branch have power over another) Thank you for your insight! Ash
asked by Ash 
algebra
Denis is designing a storage box in the shape of a cube.Each side of the box has a length of 10 inches. she needs more room anddecides to constructa largerbox in the shape of a cube with a volume of 2,000 cubic inches. By how many inches to the nearest
asked by anum 
trig
hi honestly speaking i have no idea how to even start this problem but i know that a cube is to the 3rd power here is the problem Denis is designing a storage box in the shape of a cube.Each side of the box has a length of 10 inches. she needs more room
asked by anum 
geometry
hi honestly speaking i have no idea how to even start this problem but i know that a cube is to the 3rd power here is the problem Denis is designing a storage box in the shape of a cube.Each side of the box has a length of 10 inches. she needs more room
asked by anum 
science
____Na + ___H2O give us __ NaOH+ ___ H2O this a chemistry;Balancing Chemical Equation H2O is water sorry because i don't know how to put 2 in bottom and explain me how you figuire it out
asked by anu 
college english
I need to know if this paragraph has any grammatical errors in it. Often, however, the dictionaries are wrong about this; in fact, by putting one word first, they are supporting a selffulfilling prophecy. Consider the entry, "ax or axe", which appears
asked by kitty 
biology
How might the efficiency of glycolysis change if this process occurred in only one step?
asked by Walter Leyva 
3rd grade
what multiplication fact can be found by using the arrays for 2 times 9 and 5 times 9
asked by Bobbie 
English
Can you check these sentences for me, please? 1.After Christmas I went to my secondholiday home in the mountains and I stayed there till January 30. 2.On Wednesday I returned home, because my parents were giving a party 3.My parents were having a party
asked by Franco 
health care
Ms. Sue or whomever, What is the purpose of asking a question for help and then get smart comments like we'd be glad to comment. That's not answering the question. i thought the purpose of this site was to get help, not be smart and don't lend help.
asked by annoymous 
Public Speaking
Why is knowing your audience an important part of capturing and maintaining their attention? What is the impact of culture? my response: The impact of culture weighs heavily into how you will connect and relate with your audience. Although easy to consider
asked by Bryan 
algebra
2(x3)^3 (x3)+ 7
asked by Anonymous 
math
i need help rounding numbers. for example, 34.566 to the nearest hundreds.
asked by daniel 
math
I have a few question so I will number them off. Please answer them for me I have a test tommorow and I am sure this can help other people too. 1.How do you make an equation that passes through a yintercept and a certain point in slopeintercept form.
asked by John 
physics
how to you figure momentum and velocity
asked by sam 
5th grade math
eight states border one or more of the five great lakes.write a fraction reprersenting the part of the 50 states that border a great lake.write the fraction in it's simplest forms.
asked by Brittany 
Chemistry
Thank you Dr Russ for you answer. Anyone who can answer: I have the moles of excess reagent, but now I need to find the concentration of excess reagent. I know concentration is mol/L, but how do I find the volume of my excess?
asked by Stuck 
Biology
14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a fivecarbon sugar, phosphate group, and a nitrogencontaining base c. adenine, guanine, cytosine, and thymine d. all of the above D? 16. During DNA
asked by mysterychicken 
health
I am going to be making a power presentation on the RED CROSS, I am a little stuck on the following section, describe national incident command structure, I have been looking it up on the internet, and the results that I am recieving are to inroll in there
asked by linda 
english
what realization does Siddhartha come to in chapter 2?
asked by taylor 
english
I have to write a compare and contrast essay for my Freshmen comp. class, the topic I chose is cockroaches VS. Beatles. Im not sure if this is risky, because i don't really know my professor, but i cant find another topic that i can successfully wright
asked by layla 
health
Write an essay evaluating the positive and negative influences of family, peers, and community on risk behaviors like drug, alcohol, and tobacco use; and sexual activities.
asked by Brandon 
astronomy
Astronauts on the Moon look back at Earth, a distance of about 400,000 km away. If the cities of Washington, D.C. and New York are separated by 300 km, what will be the angle between them when viewed from the Moon?
asked by laura 
HELP
Did any members of the present court justices vote on the Hazelwood case in 1988? If any did, how did they vote? Who selects the justices, and how long do they serve on the court?
asked by Jillian 
6th grade math
what is the area of a circle whose daimeter is 5 in
asked by Ma'Treeka 
Finance
What is the finance chrg on a 4200 LOAN that requires 12% downpmt and 24mthly pmt of $195
asked by paulette 
Language
How do I set up a comparsion table for two stories
asked by TOM 
math (probabiliyt statistisa)
heads or tail? There are only two possibles outcomes whee flipping a coin. The chance of getting head is one out of . We write that with the fraction. is the answer one out of two. the fraction will be 1/2.
asked by queeneka 
English
What's a good TITLE for a play about a girl who acts so depressed because of a mothers death and a friend who helps her out in the end realize she can move on??!! Please I'm stuck, I want something creative! Any ideas??!!
asked by Anne 
Science
Could someone please check me previous before previous Science post, thanks
asked by Sara 
Intro to art history
I have to write a paper comparing two art sculptures. I have write if it's an open or closed contour but I don't know what that means.
asked by JJ 
teacher aide
What is active listening?
asked by amel 
math
express it its lowest terms the ratio of 6 to 9:of 12x to 16y:of am to bm:of 20ab to 10bc: of m+n to 2 2 m n.
asked by chris 
Precalculus
I tried doing this problem, but I still don't understand it at all... Pilot Reem Ahmad's flight plan has her leaving Dulles International Airport and flying a Boeing 727 due east at 450 mph. There is a 65 mph wind with the bearing 60 degrees. a. Determine
asked by Marie 
algebra
x  = 12 3
asked by emily 
english
"Man created by god, was given the faculty for understanding truth, but he has lost this faculty though the freedom he has also been given, that is to say through, his own, guilt." what is this quote trying to say? I have to incorporate into my essay about
asked by Anonymous 
ethics
I need help writing a two page paper answering these questions about the topic Autonomy: Respecting the Autonomy of Old People Living in Nursing Homes. Please help. Discuss the major codes of ethics of the stakeholders involved in the issue and how these
asked by Niki 
math
what is the ratio of 1 1 of 1  to   to 2 4?, 2 1 2 3   to 3?,of 3 4?
asked by chris 
math
what is the ratio of 1 1 of 1  to   to 2 4?, 2 1 2 3   to 3?,of 3 4?
asked by chris 
Math
Ok please help me. Here is my stats question Suppose there is a 20% chance of striking oil at a certain location. An oil company drills at 5 different spots. What is the probablity of them striking oil on at least one of the spots? Any help is greatly
asked by Ted 
English
1. This year he has learned Chinese. (Does this sentence mean that he is learning Chinese now? Or does this sentence mean that he learned Chinese for some period, but he is not learning Chinese? Does this sentence mean continuous action or the result of
asked by rfvv 
Physics
Why is the CM of a 1.00m length of pipe at its midpoint, whereas this is not true for your arm or leg?
asked by Charlie 
Math
If you begin with a right triangle with sides a,b,and c and decrease the right angle how does a^2 +b^2 compare with c^2?
asked by Nichelle 
english
Well I came up with a new topic frugal people vs. shopaholics
asked by layla 
math
find the ratio of 4 2 2 3  x to  x of  ab 5 5 , 4 to 1 1 1  ac of 2 to 7 of .7m to .8m, of 2 , 2 2, 2 2 2 ( x y ) to (xy) .
asked by chris 
Math
The scale of two similar quadrilaterals is 1:3. The perimeter of the smaller quadrilateral is 90 centimeters. What is the perimeter of the larger quadrilateral?
asked by Ashely 
Physics
A 0.0600 kg tennis ball, moving with a speed of 2.50 m/s, has a headon collision with a 0.0900 kg ball initially moving away from it at a speed of 1.00 m/s. Assuming a perfectly elastic collision, what is the speed and direction of each ball after the
asked by Ashley 
MATH
two boys weigh 120 pounds.what is the ratio of the weight of the first to that of the second?
asked by chris 
math
the ratio of the consumption of gas to new york one year to that in chicago was 7 if 120 billion cubic feet were  4 . consumed in chicago,what was the consumption in new york?
asked by chris 
Math
What is the total price of $3.25,$1.10 including 7% tax
asked by Dora 
Biology
Explain how the halflife of a radioactive isotope affects the usefulness of that isotpe in dating specific types of rock?
asked by brooke 
Biology
Why do some scientist think that areas protected from the atmosphere might have favored the production of organic compounds on early life?
asked by brooke 
calculus
A potter forms a piece of clay into a cylinder. As he rolls it, the length,L, of the cylinder increases and the radius, r, decreases. If the length of the cylinder is increasing at .1 cm per second, find the rate at which the radius is changing when the
asked by mandy 
Biology
Why was the discovery of microspheres and coacervates an important contribution to the understanding of how life might have originated on Earth?
asked by brooke 
Biology
Explain how early RNA molecules might have been able to respond to natural selection?
asked by brooke 
ETH 125
Describe two components to the immigration process from what you found on the USCIS website
asked by Monica 
math
can someone help me on this question ive been stuck on it for almost an hour The mean of two numbers is 5. The sum of four times one number and three times the other number is 2. Find the numbers. can u help me get start it by giving me the formula please
asked by tony 
Biology
Name three characteristics of mitochondria and chloroplasts that support the endosymbiotic hypothesis of eukaryotic evolution?
asked by brooke 
math
the ratio of the consumption of gas to new york one year to that in chicago was 7/4.if 120 billion cubic feet wereconsumed in chicago,what was the consumption in new york?
asked by chris 
3rd math
write the fact family for 2,11,and 9 ______________? ______________? _______________? ________________? I don,t understand of rule .25 in $1.25 out $1.oo in $0.30 out $0.05 in $___ ? out $0.75 in 2.40 out _____? please help me!!
asked by pat 
math
whats the ratio of 6 to 9?
asked by chris 
Physics
In a singleslit diffraction pattern on a flat screen, the central bright fringe in 1.0 cm wide when the slit width is 4.70 105 m. When the slit is replaced by a second slit, the wavelength of the light and the distance to the screen remaining unchanged,
asked by linds 
physics
Suerat made paintings in which separate dots of color are placed close together on the canvas, and from a distance they merge in the eye to form an image. Consider such a painting with the dots in the painting separated by 1.7 mm and assume that the
asked by linds 
Math
Four hundred people apply for three jobs. 130 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women? (Round the answer to six decimal places.) (b) If three persons are selected at random, what
asked by Marla 
math
what is the ratio of 1/2 to 1/4?
asked by chris 
math
Need help converting 9.4 x 10^2 m/s^2 to cm/minute^2 this is what i got so far 940 x 10^2 x 3600 =3.4 x10^8 cm/min^2 is it right
asked by jake 
physics
A canoe has a velocity of 0.490 southeast relative to the earth. The canoe is on a river that is flowing at 0.520 east relative to the earth creating a 45 degree angel between the two velocities.Find the magnitude of the velocity of the canoe relative to
asked by Anonymous 
Math
One solution of 12x^323x^23x+2=0 is 2. Find all other solutions. I tried rearranging the equation to factor by grouping, but that 23x^2 is bothersome and I can't get the right answers (I know the answers are 2, 1/4, and 1/3). Help? Thank you!
asked by Momo 
science
the question is.unequal heating and cooling in the atmosphere can result in a what.
asked by Kayla 
Art history
Can you tell me if these sculptures have open or closed contour? I can't post the link but if you search the name and the numbers it should show up. Sculpture 1: Mother and Child [1979.206.121] Sculpture 2: Virgin and Child [33.23]
asked by JJ 
physics
Certain neutron stars (extremely dense stars) are believed to be rotating at about 100 rev/s. If such a star has a radius of 10 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?
asked by margaret 
math
Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate
asked by chris 
Physics
A train moving at a constant speed of 68.0 km/h moves east for 36.0 min, then in a direction 48.0° east of due north for 30.0 min, and then west for 45.0 min. What is the average velocity of the train during this run?
asked by Josh Burnz 
Math
Reasoning Four people each bought 2 bottles of Vermont maple syrup Each person plans to share their bottles with 3 friends How much does each person get?
asked by Taylor 
Math
How do I find lim x+4/x4 as x approaches 4?
asked by Stuck 
English
1. Look at the boy and his dog that are walking on the road. 2. This is the very fountain pen that I looked for. 3. Who that has common sense can say like that? 4. No people that are from Korea can have difficulty in speaking Korean. (Are they all
asked by rfvv 
PreAlgebra
Directions: Find the missing measure of each angle How do I do this? It's a triangle, angle one 2x + 15 x 45degrees
asked by Dean