Questions Asked on
January 31, 2010

chem
Suppose that a reaction calls for 1.25 moles of ethanol,C2H6O (mw= 46.07 g/mol d=0.7893g/cm^3. what volume of ethanol shold one measure out
asked by sam 
chemistry 21
13. Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) „_ 2Cu(s) + SO2(g) If the reaction of 0.540 kg of copper(I) sulfide with excess oxygen produces 0.140 kg of copper metal, what is the percent
asked by lee 
entrepreneur/business
What are three things you would do to sell a strategy proposal to your management team.
asked by Molly 
Application Assignment
Trace the nerve impulse, listing the steps in as much detail as possible, from which your brain sends the message to the appropriate muscles to step up one step. Include the steps involved in transmitting the impulse from one neuron to another and then to
asked by angel 
Chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 425C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by Sammy 
HELP Plz  Introduction to Human Anatomy and Physi
Situation: You need to step up on a step to reach an object on a high shelf. Instructions: (Part one) Trace the nerve impulse, listing the steps in as much detail as possible, from which your brain sends the message to the appropriate muscles to step up
asked by angel 
Calculus
If 9 J of work are needed to stretch a spring from 9 cm to 10 cm and 15 J are needed to stretch it from 10 cm to 11 cm, what is the natural length L of the spring?
asked by Georgia Sack 
Chemistry
The rate constant for a certain reaction is = 4.30×10−3 s^1. If the initial reactant concentration was 0.400 M , what will the concentration be after 19.0 minutes? Rate would be first order therefore I used. A=A initial*e^kt I keep getting .0030 M but
asked by Joanna 
science
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9fluorenol to 9fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation. Any help is appreciatede.
asked by Jander 
chemistry
Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9fluorenol to 9fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation
asked by Fann 
chemistry
Mass of Aspirin tablet: 0.357 g 10 mL of 1 M NaOH was added to the aspirin tablet in a 125 mL Erlenmeyer flask and heated to a boil. The solution was transferred to a 100 mL volumetric flask and the flask was filled to the mark with DI water. 1 mL of the
asked by t 
English
Can you check the following sentences please I'm not sure of? 1) On Ney Year's Eve I took part in a torchlight procession on the skis (can you say that?) 2) I played barbilliards and snooker with my friends 3)I played on (?) my pinball machine and
asked by Franco 
maths
write in digits the greatest number i could show with three counters?
asked by Anonymous 
science
How does the angle a rocket is launched at affect how far it travels?
asked by Anonymous 
chemistry
A student placed 11.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mark on the neck of the flask was reached. The flask was then shaken until the solution
asked by sam 
human resources
do you think setting up an hr unit in the main office would help?
asked by Anonymous 
PHYSICS  please check my work
a spectator at a hockey game is sitting in a seat situated 10.4m above ground leve. if the spectator has a mass of 52.6 kg, calculate her gravitational potential energy relative to: a)ground level Eg=mgh =52.6X9.8X10.4 =5360.99J b)the ice surface Eg=mgh
asked by Sarah 
ethics
the difference between psychological and ethical egoism?
asked by chris 
PHYSICS  ONE MORE QUICK QUESTION
PLEASE SEE ADDITIONAL QUESTION AT BOTTOM. A pendulum was set up and measurements were made to enable the mechanical energy to be calculated at the start position S and the lowest point of the pendulums swing L. The mass of the pendulum bob was determined
asked by Sarah 
math
how to do 3 squares with 12 sticks
asked by Lia 
Physics
A variation Russel traction supports the lower leg in a cast. suppose that the patient's leg and cast have a combined mass of 15.0kg and m1 is 4.50kg. (a) what is reaction force of the leg muscles to the traction? (b) what must m2 be to keep the leg
asked by C. Standard 
Plz Help. I am lost!!!Human Anatomy and Physiology
1. Macroscopic Neurology – trace impulse macroscopically through the nervous system from the brain to the muscle 2. Microscopic Neurology – trace impulse as it passes through the neuron, neuron to neuron, and across the NMJ 3. Sliding Filament Theory
asked by angel 
Physics
I'm having trouble understanding which formula to use to answer this question. What is the apparent weight of an astronaut weighing 77kg shortly after blasting off in a roacket at an upward acceleration of 80/meters per second squared? I know he/she will
asked by CJ 
PHYSICS
ADDITIONAL INO ADDED AT BOTTOM a spectator at a hockey game is sitting in a seat situated 10.4m above ground leve. if the spectator has a mass of 52.6 kg, calculate her gravitational potential energy relative to: a)ground level Eg=mgh =52.6X9.8X10.4
asked by Sarah 
Algebra
Find the vertical line through (6, 6)
asked by Michelle 
Algebra
Find the midpoint of the line segment having the given endpoints: (8,4) and (7,8)
asked by Michelle 
Physics
A 2000kg ferris wheel accelerates from rest to an angular speed of 2.0 rad/s in 12 secs. Approximate the ferris wheel as a circular disk with a radius of 30m. what iss the net torque on the wheel
asked by C. Standard 
BUISNESS AND TECHNOLOGY
1. How does Nike's Web site help the company strengthen its relationships with its stakeholders? Give examples to support your answers
asked by alex 
BUISNESS AND TECHNOLOGY
How do the elements of the Web site reflect Nike's target market?
asked by alex 
BUISNESS AND TECHNOLOGY
3. Does Nike invite comments from visitors to its Web site? If so, how does this affect its attempt to build positive relationships with its customers?
asked by alex 
BUISNESS AND TECHNOLOGY
What market segments are the target markets of NASCAR?
asked by alex 
BUISNESS AND TECHNOLOGY
2. What market strategy is NASCAR using to reach its target markets
asked by alex 
Statistics
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What were the scores of the students who were within one standard deviation of the mean? What
asked by Patty 
Grammar
I understand Dr. Maurice hired a new nurse. What is her name? 1b.
asked by Tracy 
grammar
I’m not very good at math because I’m a girl
asked by Tracy 
grammar
My new coworker is actually quite nice
asked by Tracy 
PHYSICS
PLEASE SEE ADDITIONAL QUESTION AT BOTTOM. A pendulum was set up and measurements were made to enable the mechanical energy to be calculated at the start position S and the lowest point of the pendulums swing L. The mass of the pendulum bob was determined
asked by Sarah 
chemsitry
calculate the molarity of sodium in 12.4g of sodium acetate diluted in 100mL of ID water, and calculate concentration of both sodium and acetate ion in units of mg/mL,mg/L,and ug/mL?
asked by Samah 
chemsitry
calculate the molarity of sodium in 12.4g of sodium acetate diluted in 100mL of ID water? and calculate concentration of both sodium and acetate ion in units of mg/mL,mg/L,and ug/mL? and calculate concentration of both sodium and acetate ion in units
asked by Samah 
physics
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.45 m. A third charge of +4q is located on the x axis at such a place that the net electrostatic force on the charge at the origin doubles, its direction
asked by jenn 
algebra
1235 feet
asked by Anonymous 
chemsitry
You have been provided 100mL of a 1000ug/ml barium standard what volume of this standard must be diluted into 50mL of ID water to produce a 30 ug/ml standard ? if you given a full 100mL of the same standard provied calculate the amount of standard and
asked by Samah 
Sue: acc300
I removed your post because it contains 25 questions for your final exam. We do not do exams. I also doubt if your instructor would welcome this exam being posted on the internet.
asked by Ms. Sue 
English
Write the gerund phrase in each sentence. Then indicate whether the phrase functions as a subject (S), an object of preposition (OP), a direct object (DO), an indirect object (IO), or a predicate nominative (PN). 1. Pablo Morales became known as the
asked by aLexus 
critical thinking
what kind of fallacy is this 'it takes someone with a really big heart to give to our charity, you seem like someone that cares.
asked by ladonna 
Accounting
Proprietorship, partnership or corporation, Why would an entrepreneur want to choose one over the other?
asked by Cheryl 
Bussiness Economics
disadvantages of specialization and division of labour
asked by Danielle 
Misc
Recently on the news, i read about the second man who got pregnant. I was wondering, how is that even possible? And how is he supposed to deliver the baby? MC
asked by mysterychicken 
English
Write the gerund phrase in each sentence. Then indicate whether the phrase functions as a subject (S), an object of preposition (OP), a direct object (DO), an indirect object (IO), or a predicate nominative (PN). Are these Correct?! 3. Morales learned
asked by aLexus 
math
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. You may find it helpful to draw out this distribution before answering the questions below What were
asked by Patty 
algebra 1
marcy has a total of 100 dimes and quarters. if the total value of the coins is $14.05, how many quarters does she have?
asked by kelly 
algebra 1
marcy has a total of 100 dimes and quarters. if the total value of the coins is $14.05, how many quarters does she have?
asked by kelly 
English
3. Morales learned quickly, and soon he started winning junior championships. ANSWER: winning junior championships,(DO) Is number 3 direct object Ms. Sue!?!?
asked by aLexus 
chemistry
I am having trouble balancing this equation: C6 H12 06 + O2 = C7 H8 + O2 Can you please help? Thanks
asked by Joanie 
chemistry
I am having trouble balancing this equation: C6 H12 06 + O2 = C7 H8 + O2 Can you please help? Thanks
asked by Joanie 
social studies
what year did: Hiram Maxium invent the Gatlni Gun Alfread Noble invent the Dynamite christopher sholes invent the typewriter
asked by livy 
Crimal Justice
• Write a 350 to 700word essay describing each person’s roles. Discuss how they work together when handling a trial. For each person, describe at least one communication exchange they may have during a trial.
asked by gary 
6th grade
what are the 4 major industries in Egypt
asked by ts 
3rd grade
when i am rounded to the nearest 10, I am 40. The sum of my digits is 8. I can be two different numbers. Who am I?
asked by Anonymous 
ss
what are the products, exports. and imports used for
asked by ts 
english
The paragraph below needs to be made more coherent. Use repetition, synonyms, and pronouns to link the sentences. Type the improved paragraph in the space provided on the following page. Many cities are easily distinguished by their skylines. In such
asked by lisa 
Physics
What detector is used to pick up the xrays in hospitals?
asked by Laura 
college Physics
The coordinates of an object moving in the xy plane vary with time according to the following equations x = −7.16 sin ùt and y = 4.00 − 7.16 cos ùt, where ù is a constant, x and y are in meters, and t is in seconds. Write expressions for the
asked by Katie 
English I
I need help. I have to argue in a paragraph about whether "Daddy" by Sylvia Plath is surrealistic or not. I don't even know how to start it.
asked by Candace 
calculus
if f is a continuous function defined by f(x)={x^2+bx, 5 sin("pie"/2x) then b= ?
asked by Anonymous 
algebra
how do you do this math problem 8x+9=5x+6
asked by breanna 
math
Two angles are complementary. THe sum of the measure of the first angle and one forth of the second angle is 58.5 dagrees. Find the measure of the angles.
asked by Phil 
Carpentry
Parts of a concerte block
asked by TOM 
health
Class, let's say someone finds out, during the course of a routine medical exam, that they have a serious illness which must be treated immediately. Perhaps this is totally unanticipated. How is this handled in a physicians office, or at the hospital? In
asked by linda 
health
How does technology, such as the EMR….the Electronic Medical Record, Electronic Charting, PACS, etc., impact the care and treatment of a patient? What are your thoughts about what it does to the quality of healthcare delivery we currently enjoy,
asked by linda 
CHEMISTRY
Express your answer as a chemical equation. Identify all of the phases in your answer. C12H22O11
asked by ASHISH 
algebra
How do I solve for m and b in the y = mx + b formula if the xintercept is 16 and the yaxis intercept is 3? How would I go about putting these numbers into the equation?
asked by Tommy 
Algebra
Hi, I'm struggling to do two questions. 1) If u=2, v=root 3 and u dot v = 1, find u+v 2)Show that there are no vectors u and v such that u = 1, v=2 and u dot v = 3 Please help if you can. Thanks a million
asked by Vanessa 
chemistry
The vapor pressure of dichloromethane, CH_2Cl_2, at 0 degrees celcius is 134 mmHg. The normal boiling point of dichloromethane is 40 degrees celcius. Calculate its molar heat of vaporization (in kJ/mol).
asked by jack 
Math
Midtown Antiques collects 4% sales tax on all sales. If total sales including tax are $1058.30, find the portion that is the tax. Round your answer to the nearest cent. A)$40.70 B)$42.33 C)$1017.60 D)$30.70 E) none of the above
asked by Robbie 
Algebra 3
Perform the indicated operations and simplify. x^2/3(square root of x1/square root of x)
asked by Jennifer 
College Physics
The triangle is an equilateral triangle: 20 cm x 20 cm x 20 cm. What is the value of the electric potential at the center of the triangle if q1= 5.0 nicroC , q2= 5.0 microC, q3= 4.2 microC? V = 4.52 x 10^5V but I can not get this answer. What is the value
asked by Lanise 
social studies
what is the agriculture of Egypt
asked by ts 
university chemistry
The instruction booklet for your pressure cooker indicates that its highest setting is 11.4 psi. You know that standard atmospheric pressure is 14.7 psi, so the booklet must mean 11.4 psi above atmospheric pressure. At what temperature will your food cook
asked by elena 
math
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What was the score of students who scored in the middle of the class? (50% did better, 50% did
asked by Patty 
social studies
what is the agriculture of egypt ?
asked by ts 
math
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What was the score of students who scored in the middle of the class? (50% did better, 50% did
asked by Patty 
english1
I need help. I have to argue in a paragraph about whether "Daddy" by Sylvia Plath is surrealistic or not. I don't even know how to start it. This is what I got so far. Is it good? This poem to me, doesn’t really define the term surrealistic. Surrealistic
asked by Candace 
math
Approximately 4 out of every 10 students at Sonia's college live on campus. The college has 3,000 students. How many of them live on campus?
asked by peewee 
environment Science
Global perspectives on environmental health: Identify the 3 components of the environment,Briefly describ the major classess of pollutant in each category and their effect on health, Explain how sustainable development affects the environment.
asked by ap 
History
Could someone please help me with this? There is three parts to this qiuestion. I need to list three things about each topic; the social, political and economic. The question is this: Social, political and economic changes and advances that emerged during
asked by B.B. 
physics
How much work is required to completely separate two charges (each 1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
asked by Lanise 
physics
How much work is required to completely separate two charges (each 1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
asked by Lanise 
math
A cube has a total surface area of 384 ft². Find the total surface area of the largest sphere that will fit into it.
asked by maribel 
biology
3. In what cells do meiosis and mitosis take place? 4. If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand?
asked by kim 
College Physics
A 12.0 A 12.0 A 12.0V battery remains connected to a parallel plate capacitor with a plate area of 0.204m^2 and a plate separation of 3.14mm . What is the charge on the capacitor? Q = C How much energy is stored in the capacitor? Uc = J What is the
asked by Lanise 
College Physics
Calculate the voltage required to accelerate a beam of protons initially at rest if they have a kinetic energy of 2.7 eV. deltaV = V Calculate their speed if they have a kinetic energy of 2.7 eV . v = m/s
asked by Lanise 
College Physics
Calculate the voltage required to accelerate a beam of protons initially at rest if they have a kinetic energy of 4.5keV. deltaV = V Calculate their speed if they have a kinetic energy of 4.5keV . v = m/s
asked by Lanise 
Chemistry
Which of the following surfaces does a true monolayer always form on? A. silicon B. gold C. both D. neither
asked by Stacy 
english 1
The underlined statement is a prepositional phrase. Leslie stood with his back against the wall.
asked by vic 
english
After the sentence, mark whether your item below contains a fragment (F) or a runon (RO). Then correct the error in your response. Exercise: The view was not what the travel agent had described. Where were the rolling hills and that shimmering rivers?
asked by Robbie 
Precalculus
Find the component form of v given its magnitude and the angle it makes with the positive xaxis. Magnitude of v= 2 Angle= v in the direction i+3j
asked by Marie 
algebra
I am having trouble anwering the following problem: The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71, 82, 85, 86, 89, 91, 92 Construct a boxandwhisker plot to display this data. I don't know how to begin answering this problem
asked by vicky 
social studies
what did t.r do in latin america
asked by risha 
History
Which neutral nations later joined the Central Powers/Allies in WWI? I know for sure the original Central Powers are Germany, AustriaHungary, and Bulgaria. And the Allies are Russia, France, and Great Britain... Thanks!
asked by Moe 
algebra
I am having trouble anwering the following problem: The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71, 82, 85, 86, 89, 91, 92 Construct a boxandwhisker plot to display this data. I don't know how to begin answering this problem
asked by vicky 
math
One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: a spade and a 5 are drawn. a jack is not drawn. Thanks for any help with this.
asked by Joan 
social studies
why was the boxer rebellion important to the u.s foreign affairs?
asked by risha 
Calculus
Find the volume of the solid formed by revolving the region bounded by the graphs of y=4x^2 and y=16 about the xaxis. (Washer Volume)
asked by john 
English
What is the theme of the poem, "The Road Not Taken"? I think the theme is making a decisions that is different from everybody else.
asked by Abriel 
organ chem
Why is thymol only slightly soluble in water, but very soluble in 1.0 M NaOH?
asked by j 
Intermediate Accounting
Pan Erickson Construction Company changed from the completedcontract to the percentageofcompleltion method of accounting for longterm construction contracts during 2008. For tax purposes, the company employs the completedcontract method and will
asked by Jeniffer 
math
a student claims that if a fair coin is tossed and comes up heads 5 times in a row, then according to the law of averages the probability of tails on the next toss is greater than the probability of heads. What is your reply?
asked by Charles 
Spelling
broom:sweep::brush:?????
asked by Alpo 
Spelling
glue:sticks::thorns:???????
asked by Alpo 
Math
suppos a drawer contains 6 black socks, 4 brown socks, and 2 green socks. suppose one sock gets pulled out of the drawer and that is equally likely that any one of the socks is drawn. what is the probability that the sock is either balck or green. the sock
asked by Amy 
Math
Solve for P: A = P + nrP
asked by Kristy 
Algebra.. please help
Please help. I have been trying to figure this problem out for an hour now. Solve the following system of equations. X + 8y = 5 (1) x=88y (2)
asked by Chloe 
vocabulary
The mom left the room with a MODICUM of respect after her baby began ____ . a) sleeping b) screaming c) praying d) singing b is that correct
asked by K 
social studies
when was the: Nancy Johnson's handcrank ice cream freezer Emeline Hart's commercial oven Ellen Eglin's clothes wringer sarah mather's submarine telscope martha coston's saftey flare gun emily tassey's dredging pump henrietta vansittart's (improved
asked by livy 
Rectangles
The width of a rectangle is fixed at 18cm. What lengths will make the perimeter greater then 74cm?
asked by Amber 
vocabulary
After the play _____, several critics made scathing comments about it. a)succeeded b)opened c)closed d)bombed a is that correct
asked by K 
algebra
It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how longwill it take her to ride 8 miles?
asked by Russell 
trig
find the exact value of cos(theta) if the terminal side of angle(theta) contains the point (3,5)
asked by rob 
math
how to put this in vertex form: 2(2x1)(x+4)
asked by Preston 
physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.2 m/s. The car is a distance d away. The bear is 29 m behind the tourist and running at 6.0 m/s. The tourist reaches the car safely. What is the maximum
asked by Anonymous 
Physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 2.7 m/s2. The magnitude of the car's velocity at the
asked by Anonymous 
physics
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.8 m/s2; after 3.6 s he enters the main speedway. At the same instant, another car on the speedway and
asked by Anonymous 
math
1) Find the period and the amplitude. y= 3 sin 2x Please explain!!!
asked by Hannah 
PHYSICS
The intensity level of a sound is reported in unit decibel(dB). how does IL change if we increase a sound intensity by a factor of 10? a)remains the same b) increases by 1dB to 2dB c)it increases by 2dB to 20dB d)it increases by 20dB to 200dB e) it
asked by Brittany 
physics
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of 5.40 m/s2. How fast is the racer moving 3.75 102 m after the parachute opens?
asked by Anonymous 
physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.10 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same
asked by Anonymous 
Physics
If you throw a ball through a pile of sand, it will slow down in the sand and emerge at less that its initial speed. But when light shines on a pane of glass, even though it slows down inside, its speed upon emerging is the same as its initial speed.
asked by Hanako 
History  Ming Dynasy
How and why did the rule of law develop in the Ming Dynasty?
asked by Emma 
Algebra
Solve by elimination method. 2x+ 3y = 1 4x + 6y= 2
asked by John 
vocabulary
The mom left the room with a MODICUM of respect after her baby began ____ . a) sleeping b) screaming c) praying d) singing b is that correct
asked by K 
Math
Amy paid 72.34 for a pair of running shoes during a 20%off sale. what was the regular price?
asked by Lee 
English I
What is the theme of the poem, "The Road Not Taken"? I think the theme is making a decisions that is different from everybody else. I am also suppose to find the subject of the poem but I am lost with that.
asked by Abriel 
History
Was the airplane classified a social change or advance during the Roaring Twenties? I say that it was more an economic change or advance.
asked by B.B. 
Physics
A supersonic jet travels at 3.0 Mach (i.e. at three times the speed of sound). It cruises at 20,000 m above the ground. we choose t=0 when the plane passes directly overhead of an observer. At what time t will the observer hear the plane?  there is a
asked by Katelynn 
Math
80% of what number is 20? Would this be 100?
asked by Kelly 
Ela
could you give me an conclusion and introduction for ancient india clothing and art plz!!!!! plzplzplzplz!!!!!!!
asked by Edward 
Math
The function H described by H(x)= 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus( the bone from the elbow to the shoulder) is x cm long? Predict the height of a woman whose humerus is 35 cm long. Is this correct?
asked by Kelly 
Elimination Method...
Solve by eliminatin method. 2r5s= 11 5r+2s= 16
asked by Joe 
College Physics
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.8 m/s2; after 3.6 s he enters the main speedway. At the same instant, another car on the speedway and
asked by Anonymous 
grade 8 math
when i divide the circumference of a circle by its diameter i get the value of pi and this also happens when i use different units. why does this happen?
asked by anonymous 
chemistry
Transfer the tablet to a clean 125mL Erlenmeyer flask. Add 10mL of 1M NaOH and heat the mixture to a gentle boil. Once the solution has cooled to room temperature, transfer it to a 100mL vol. flask. Using the diluted solution from the 100mL volumetric
asked by eng 
math
Explain why there does not exist a function whose domain is {1,0,3} and whose range is {3,4,7,9}. PLEASE EXPLAIN!!
asked by jh 
Math
Find the indicated outputs for f(x)= 5x^25x. F(0) = 0 f(1)= 1 f(2)= 45 is this right?
asked by Joe 
Precalculus
Show that sum of two even function with the same domain is an even function.
asked by jh 
U.S. Government
How does the government today influence the nation's economy? What other areas is the government involved in? I don't know what to answer. Please help! Thank You.
asked by Anonymous 
English 12  Euphemism
Hello! It didn't help to say that I am an exchange student and it is hard to do for me. No excuse! You have to do it though. Can anybody help me to find euphemism for these phrases? 1. lying on a resume 2. cheating on a test 3. committing adultery 4.
asked by Exchange Student 
physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.10 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same
asked by brittany 
college physics
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of 5.40 m/s2. How fast is the racer moving 3.75 102 m after the parachute opens
asked by brittany 
college physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.10 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same
asked by tina 
business
Explain the difference between fiscal policy and monetary policy. Discuss how each of these approaches can be used to influence the state of the economy.
asked by mark 
college physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 3.10 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same
asked by tina 
math
explain what each equation represents. 1) 5e+1=15
asked by caitlin 
math4th grade
a worker is usin boards to divide a rectangular animal pen into a row of 12 smaller goat pens. uhow many boards does the worker need?
asked by alysha 
fin/200
Under what conditions must a distinction be made between money to be received today and money to be received in the future
asked by sarah 
us history
how did woodrow wilson's reform platform during the 1912 campaign differ from that of theodore roosevelt?
asked by bri 
us.history
What effects of the invention or trend in the alternating electrical current
asked by Anonymous 
math
CountingOutcomes and Theoretical Probability A computer store sells 4 models of computer (m1,m2,m3 m4. Each model can be fitted with 3 sizes of hard drive (A,B,C,) 1 Find the sample space. 2 What is the probability of choosing a model with a size C hard
asked by Julainna 
social st.
is this a 6 grade work There is and another part of Indian Culture which is Indian Arts The main theme of Indian art seem to begin emerging as early as the Harappan period, about 2500 BC. Although we're still not sure, some Harappan images look like later
asked by Edward 
math
a local gas station uses the formula c= o.635L
asked by amber 
Sociology
What aspects of the social and work environment in a fast food restaurant would be of particular interest to a sociologist because of his or her sociological imagination?
asked by Tara 
math
a local gas station uses the formula c= 0.635L+ 6.25 to charge customers who want to buy gasoline and a car wash what is the total cost if you buy 20L of gasoline? please help!
asked by cait 
math
a local gas station uses the formula c= 0.635L+ 6.25 to charge customers who want to buy gasoline and a car wash what is the total cost if you buy 20L of gasoline? please help!
asked by amber 
Physics
Alright i can not get this question i'm confused
asked by brittany 
Geometry
I need help unscrambling these geometry vocabulary words senligtacirpalse pitprceenostel nyenagliltuiqitrea gemhetrohnie
asked by Daisy 
instrument
i am having difficulties playing flute. what should i do?
asked by purbasha 
accounting
What does a zero economic profict mean?
asked by Kim 
math
2xsquare 8x 42 over 6xsquare divided by xsquare 9 over xsquare 3x in simplist form
asked by Anonymous 
College Physics 1
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of 5.40 m/s2. How fast is the racer moving 3.75 102 m after the parachute opens
asked by james 
chemistry
If 1373 g of a substance is dissolved in 2315 g of cyclohexane solvent, the boiling point of the solution is 87.69 oC. Calculate the apparent molar mass (g/mol) of substance.
asked by eng 
trig
A population of wolves in a country is represented by the equation p(t)=80(0.98)^t, where t is the number of years since 1998. Predict the number of wolves in the population in the year 2008.
asked by andy 
hcr220
"a 68yearold male presents to the office complaining of pronounced weakness on the right side of his body and slurred speech for the past twenty four hours. based on the examination, the physician orders an MRI to investigate a possible transient
asked by Very Confused 
Algebra
Simpily the following (4/7M)2(49M)(17p)(1/34p5)
asked by Kenzie 
US Government
I am having a problem understanding what the different roles of the US President are responsibilities: What are"the Head of States" responsibilities? What are "The Chief Executive" responsibilities? What are the "Chief Diplomat" responsibilities? I think
asked by ASH 
math
Clayton has three fair coins. Find the probablitlity that he gets two tails and one head when he flips the three coins.
asked by haseeb 
College Physics 1
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of 5.40 m/s2. How fast is the racer moving 3.75 102 m after the parachute opens
asked by james 
history
How did traditionalists fight back against the age of modernism and mass society?
asked by kris 
chemistry
If 1373 g of a substance is dissolved in 2315 g of cyclohexane solvent, the boiling point of the solution is 87.69 oC. Calculate the apparent molar mass (g/mol) of substance.
asked by eng 
Precalculus
Suppose h(x) = 3/x^21. Find two nontrivial functions such that h(x)=(f o g)(x) (f o g referring to f of g)
asked by jh 
math
consider an angle in standard position with r=12 centimeters. write a short paragraph describing the change in magnitudes of x,y,sine theta,cosine theta, and tan theta as theta increases continually from zero degrees to ninety degrees.
asked by levon 
Precalculus
Give an example to show that the product of two onetoone function is not necessarily a onetoone function.
asked by jh 
chemistry
what are the possible sources of error that might lead to an erroneous determination of the concentration of the acetic acid?"
asked by elena 
chemistry
what are the possible sources of error that might lead to an erroneous determination of the concentration of the acetic acid in the titration lab?
asked by elena 
Physics
The intensity of a particular earthquake wave is measured to be 5.0 multiplied by 106 J/m2·s at a distance of 55 km from the source. (a) What was the intensity when it passed a point only 3.0 km from the source? (b) What was the rate energy passed through
asked by Eric 
calculus
Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The
asked by Jake 
Basic Finance Risk vs Return
Please check and correct my answers. Investors want ____ returns and ___ risk. Answer: high return, low risk Which statement about the efficient set, minimumvariance set and feasible is incorrect? a) the minimum variance is the set of all portfolios with
asked by Anonymous 
science
Since humans and other animals are capable of glycolysis, why do we need to breathe oxygen?
asked by PEEWEE 
social studies
discuss the impact of the Louisiana Purchase and Andrew Jackson removal policy on native american
asked by marlene 
math
Suppose that humans walk about 10,000 steps per day, on awerage. 1. Your average step is probably about 18 inches. If so, how many inches per day do you walk? 2. How many feet per day do you walk? 3. How many miles per day do you wa;k, to the nearest whole
asked by Katelee 
math
How many ways can seven basketball players of different heights line up in a single row so no player is standing between two players taller then herself?
asked by robin 
SOC 120
Research the affects of the four types of punishment—retribution, deterrence, rehabilitation, and societal protection—in relation to today’s American society, as outlined in the Summing Up table on p. 182. Try search terms such as “effects of
asked by Krystal 
math
If you tend to be one of those people who taps their foot, picks their nails, drums their fingers, or moves around in their seat, there may be some good news. Although your fidgeting may be annoying to others, researchers at the National Institute of
asked by Anonymous 
SOC120
• Compose a 200 to 300word response to the following: • • Explain urban growth trends in the world’s poorest countries. What causes urbanization in poor countries? • • Choose a major city in a poor, developing country and research how
asked by J 
Math
1) Find the period and the amplitude. y= 3 sin 2x Please explain!!! I do not know how to do this.
asked by Hannah 
algebra
using exactly four 3's and any math symbol you like, try to write an equivilent expression for each whole number from 1 through 10 example 1=3*3/3/3
asked by lsuman 
calculus
evaluate the limit as x approaches positive and negative infinity (x^2+6x+8)/(x+3)^2
asked by Anonymous 
Math
Solve by the elimination method. 2r5s = 11 5r + 2s = 16
asked by Joe 
french
deux personnes dans votre famille
asked by jaia 
french
deux de vos cammarades de classe
asked by jaia 
french
deux de vos professeurs
asked by jaia 
math
the function with the sum of roots of 11 and product of roots is 11 is..? thanks for the help!
asked by cynthia 
statistics
HOW DO YOU WORK WITH NUMBERS IN A SERIES LIKE 38 36 30 28 22 : THENEXT NUMBER WOULD BE WHAT . OR 2 5 11 20 32 47 AND THE NEXT NUMBER IN THE SERIES WOULD BE WHAT
asked by teresa 
Public Speaking
what are example of communication behaviors? a list of communication behaviors
asked by Bryan 
algebraic fractions in lowest terms
40c to the 5th power over 10c to the 4th power in lowest terms?
asked by Jim 
Public Speaking
Need help the paper ask this question 1. Where in the listening process did you break down? (Be sure to note the specific stage of the listening process that broke down.
asked by Bryan 
english
where do i put the dashes in this sentence... please explain why. The number of active movie screens that is, screens showing films or booked to do so is higher now than at any time since World War II.
asked by layla 
ACCOUNTING
what is the answers to com 140 comprehensive grammar checkpoint
asked by tony 
physics
IF A PERSON'S WEIGHT IS 850 N WHAT IS THE PERSON'S MASS IN KG?
asked by LADY27 
chemistry
Automotive antifreeze consists of ethylene glycol, C2H6O2, a nonvolatile electrolyte. Calculate the boiling point and freezing point of a 25.0 mass percent of ethylene glycol in solution.
asked by danielle 
microeconomics
Suppose a production possibilities frontier can be expressed as + = 9. The opportunity cost of going from 0 units of X to 1 unit of X is
asked by james 
chemistry
What is the halflife of a compound if 69 percent of a given sample of the compound decomposes in 59 min? Assume firstorder kinetics.
asked by danielle 
math
The combinations on the lockers at the high school consist of three numbers, each ranging from 039. If a combination is chosen at random, what is the probability that the first two numbers are multiples of 9 and the third number is a multiple of 4?
asked by nbkda74 
chemistry
The boiling point of diethyl ether CH3CH2OCH2CH3 is 34.500C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is cholesterol . How many grams of cholesterol, C27H46O (386.6 g/mol), must be dissolved in 263.0 grams of diethyl
asked by allie 
Math
x33x+2/x3 using lond divison
asked by Tammie 
MATHS
Mr Wood makes tables with 4 legs and stools with 3 legs. Nine customers ordered 8 items each. Each ordered was different. How many legs are needed altogether?
asked by BRYAN 
Math
A celluar phone company offers a contract for which the cost c, in dollars,t minutes telophoning is givien by c=0.25(t600)+71.95, where it is assumed that t is greater than or equal to 600 minutes.
asked by Anonymous