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2011
April

Questions Asked on April 14, 2011

A closed container with a mixture of hydrogen, helium, and argon has a total pressure of 3.00 atm. The partial pressure of
1. 1 answer
2. asked by Mary
3. 561 views
For the given linear prgramming problem, write down the objective function and the constraints.Kris is trying to make his
1. 1 answer
2. asked by fakaapo
3. 630 views
Lactic acid, C3H6O3, is found in sour milk. A solution containing 1.00g NaC3H5O3 in 100.0mL of 0.0500M C3H6O3 has a pH= 4.11.Cal
1. 1 answer
2. asked by Lauren
3. 1,580 views
Thymol blue in its acid range is not a suitable indicator for the titration of HCl by NaOH(aq) . Suppose that a student uses
1. 1 answer
2. asked by sk1227
3. 4,360 views
I don't know how to explain or if Ive got my homework answer correct. The question is: A patient on dialysis has a high level of
1. 1 answer
2. asked by Connie
3. 2,910 views
The indicator methyl red has a pKhln=4.95 . It changes from red to yellow over the pH range from 4.4 to 6.2.If the indicator is
1. 1 answer
2. asked by Carmel R.
3. 2,426 views
Suppose you have monohybrid pea plants in your garden and find that they produce round seeds to wrinkled seeds in the ratio of
1. 1 answer
2. asked by Joe Henly
3. 1,569 views
how could you maximize the rate of reaction of magnesium and hydrochloric acid other than concentration and surface area
1. 1 answer
2. asked by Anjan
3. 348 views
describe an experimental design that you might use to determine the effect of temperature on reaction rate.
1. 1 answer
2. asked by Anjan
3. 335 views
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest
1. 2 answers
2. asked by rebecca
3. 382 views
why solution always prepared in HCl and not in HNO3 ?????????
1. 1 answer
2. asked by hira
3. 398 views
What do you think the right to a fair and impartial jury as mentioned in the Sixth Amendment entails? Do you believe it means
1. 0 answers
2. asked by Lisa
3. 434 views
CH3CO2H: 0.109M & 20mlNaOH : 0.109M& 10ml H20:10ml Buffer Problem, when I solve it the ratio becomes the same and the pH is the
1. 1 answer
2. asked by Nicole
3. 931 views
Mr. Forrester has a swimming pool that measures 3 1/3 yards by 8 yards. If the deck around the pool is 2 2/3 yards wide, what is
1. 1 answer
2. asked by Marie
3. 702 views
A bomber is flying horizontally over level terrain at a speed of 250 m/s relative to the ground and at an altitude of 3.20 km.Th
1. 0 answers
2. asked by Chi
3. 958 views
you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please
1. 5 answers
2. asked by Mike
3. 1,880 views
On Dec 1,2007,you could buy a 10-year U.S.Treasury note(a kind of bond)for $10,000 that pays 4.21% simple interet every year
1. 3 answers
2. asked by Lucky
3. 452 views
A teacher prepares a test. She gives 5 objective type questions out of which 4 have to be answered. Find the total ways in which
1. 1 answer
2. asked by michele
3. 1,774 views
A 20 kg object falls from a height of 30 meters. How many joules of kinetic energy will the object have just before it hits the
1. 2 answers
2. asked by luis brito
3. 668 views
What are two forces that you believe shape the relationship between business and society?
1. 0 answers
2. asked by mary
3. 681 views
The measures of two sides of a parallelagram are 28 in and 42 in. If the longer diagonal has measure 58 in, find the measures of
1. 1 answer
2. asked by Kaylee
3. 2,267 views
This is what my teacher wrote up on the board today and i was needing some help with it i don't really understand it all...This
1. 0 answers
2. asked by Caitlin
3. 548 views
Can you please check these sentences for me? Thank you very much.1)Another important theme is that of equivocation.The witches
1. 2 answers
2. asked by Mike1
3. 643 views
neanderthals lived near sapians for thousands of years
1. 1 answer
2. asked by tina
3. 399 views
How many isomers does bromoethane (C2H5Br)??
1. 2 answers
2. asked by Danielle
3. 3,526 views
I still have afew more doubts1) The Whigs were in power (and not "in charge") from 1714 and 1760. 2) Avoid writing long-winded
1. 2 answers
2. asked by Mike1
3. 516 views
True or False? Two identical beakers of water that have been over the same size flame for the same length of time will ALWAYS
1. 1 answer
2. asked by Jessica
3. 460 views
One of the reasons that certain advertisements are successful is because viewers want to behave like those they observe. What is
1. 2 answers
2. asked by Anonymous
3. 466 views
How does the CVS, urinary and respiratory systems work together to maintain homeostasis?
1. 0 answers
2. asked by Natalie
3. 851 views
Which principle can be applied to explain what happens to the pitch of a sound as the source comes closer and close,pass the
1. 1 answer
2. asked by Nobuhle
3. 512 views
Values and Lifestyle system of consumers in James B. Twitchell's What We Are to Advisters.What are the consumers gropups being
1. 1 answer
2. asked by Anonymous
3. 527 views
Can anybody tell me step wise step how to solve this quadratic equation?x^3-3x^2+4=0 Please tell me step wise step as i haven't
1. 4 answers
2. asked by Akash
3. 662 views
A gift store stocks baseball hats in red or green colors. Of the 35 hats on display on a given day, 20 are green. As well, 18 of
1. 3 answers
2. asked by ann
3. 980 views
What is the volume of 19.7g of oxygen at STP?Heres what i got but did not get the same answer..pls tell me where i am wrong!
1. 2 answers
2. asked by pooja
3. 494 views
Name the new compound formed when sodium sulfide is added to zinc sulfate. What is the chemical formuala for this new compound?
1. 1 answer
2. asked by Naseeb
3. 493 views
why is it a bad idea to use lead in ceramic object that are used to serve food
1. 1 answer
2. asked by angel
3. 307 views
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest
1. 2 answers
2. asked by rebecca
3. 396 views
Show that (90-45)=cos90 cos 45
1. 1 answer
2. asked by Ntando
3. 359 views
you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please
1. 2 answers
2. asked by Mike
3. 533 views
Could you show me some examples of sentences using pronouns desribing a recent interaction with a friend or family member about
1. 1 answer
2. asked by Jackie
3. 469 views
Bridget has a limited income and consumes only wine and cheese; her current consumption choice is four bottles of wine and 10
1. 0 answers
2. asked by Gar
3. 902 views
HOW DOES A BUSINESS GO ABOUT CHOOSING THE RIGHT TENDER
1. 0 answers
2. asked by MA;IBONGWE
3. 895 views
sam's essay lack a clear beginning,middle, and end as well as wek and limited transitions. in which area was Sam's essay weak?
1. 1 answer
2. asked by Anonymous
3. 401 views
In an article about the financial problems of USA Today, Newsweek reported that the paper was losing about $20 million a year. A
1. 0 answers
2. asked by Gar
3. 560 views
Consider a mole of CO2 and a mole of N2O each at STP. Which of the following statements are true? Check all that apply.~Both
1. 1 answer
2. asked by Laura
3. 781 views
The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation
1. 1 answer
2. asked by margie
3. 614 views
Can you please check of these sentences are possible? Thank you.1) You limited yourself to include (including?) the various
1. 1 answer
2. asked by Mike1
3. 513 views
kris scored 630 points on a particular section of a CPA exam for which the score were normally distributed with a mean of 600
1. 1 answer
2. asked by margie
3. 520 views
1. what are the mean and standard deviation for this distribution of weekly take-home pay amounts?2. what percentage of the pay
1. 1 answer
2. asked by margie
3. 538 views
¿EN QUE PUNTO DE GRAVEDAD SE PUEDE RETORNAR UN SATELITE ARTIFICIAL HACIA LA TIERRA? ¿EN EL PERIGEO O EN EL APOGEO?
1. 0 answers
2. asked by Rosemary
3. 363 views
My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 4 chocolates at random from his snack jar.
1. 0 answers
2. asked by Sarah
3. 549 views
She added 4, multiplied the sum by -5, and subtracted 12. She then doubled the result and got -34. What number did Christa
1. 1 answer
2. asked by Anonymous
3. 545 views
CAN YOU EXPLAIN TO ME HOW quadratic equation CAN BE USED IN EVERYDAY LIFE?
1. 1 answer
2. asked by patiance
3. 567 views
1. _______ (on sundays), mes parents _______(aller) musee.2. _______ (on Fridays) , ma mere _______ (aller) Banque
1. 4 answers
2. asked by mel
3. 711 views
When preparing an environment for scjhool-aged childre, the caregiver should ensure that the (children have the opportunity to
1. 1 answer
2. asked by Brooke=HELP
3. 399 views
To what Celsius temperature must 32.5 mL of methane gas at 60.0°C be changed so the volume will be 62.0 mL? Assume the pressure
1. 1 answer
2. asked by Mary
3. 360 views
What is the final volume of 945 mL of neon gas at 174°C if the gas is cooled to 58.5°C? Assume the pressure and the amount of
1. 1 answer
2. asked by Mary
3. 990 views
What is the volume of 150. mL of oxygen gas at 72.0°C and 110. mm Hg if the conditions are adjusted to 750. mm Hg and 82.5°C?
1. 1 answer
2. asked by Mary
3. 462 views
The two circles have equations x^ + (y-3)^2 = 49 and x^2 + (y-17)^2 =49. find the equation of the larger circle.The diagram
1. 1 answer
2. asked by Bianca
3. 446 views
both patricians and plebian men were roman what?
1. 1 answer
2. asked by aname
3. 924 views
Discuss how the rise of capitalism led to the development of communism.I put: • Capitalism was where individuals and business
1. 1 answer
2. asked by Anonymous
3. 978 views
after your holiday you have come home and decided that you are going to open up your own business.In order to advertise you put
1. 3 answers
2. asked by Dwight
3. 935 views
I need some advice. I am terrible about using first and second person pronouns. I know in is not proper in academic writing,
1. 4 answers
2. asked by Jim
3. 592 views
Here is another writing prompt which basically focuses on the Passe Compose. Using the irregular verbs --Avoir, Etre.Here are
1. 1 answer
2. asked by Sydney
3. 1,603 views
A choir has 6,000 cans and the recycling center offers $2 for 500 cans. How much will the choir earn?
1. 1 answer
2. asked by Haiile
3. 459 views
A. How many protons are in one atom of fluorine - 19?B. How many neutrons are in one atom of potassium - 39? C. How many
1. 1 answer
2. asked by Anne
3. 1,176 views
WHO MADE THESE ATOMIC DISCOVERIES?An atom has a nucleus that is very small In a reaction, the mass of the products must equal
1. 3 answers
2. asked by Sal
3. 686 views
bit strings of a fixed length are needed to form a code. what is the minimum length of the string is one string is needed to
1. 1 answer
2. asked by Lisa
3. 463 views
Which of the following statements are true?Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going,
1. 1 answer
2. asked by Grace
3. 1,489 views
How much energy is needed to raise 20.0g H2O from 10.0oC to 75.0oC. The specific heat of water is 4.18 J/gC.
1. 1 answer
2. asked by Qrishaa
3. 647 views
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a
1. 2 answers
2. asked by cr
3. 608 views
The top of a table is in the shape.of a regulations pentagon. The wood should measure 1 1/2 feet on each side. What is the
1. 1 answer
2. asked by Anonymous
3. 470 views
A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular
1. 2 answers
2. asked by cr
3. 688 views
An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is
1. 2 answers
2. asked by cr
3. 1,231 views
evaluate -|-618|please help me, I just don't get it
1. 1 answer
2. asked by stephanie
3. 338 views
I have to do a writing prompt on Superlatives. And here's the instructions.Imagine that you are one of the animals in the Zoo in
1. 3 answers
2. asked by Sydney
3. 590 views
On my homework it says write the ratios.Explain what your ratios show.Chocolate 6 vanilla 1 Strawberry 3
1. 1 answer
2. asked by nicole
3. 490 views
I need to know how to right a net ionic equation for the following chemical reaction: 5 H2C2O4 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2
1. 0 answers
2. asked by Matthew
3. 624 views
Thanks for your help with the last exercises. But Im still sort of confused with the Superlative stuff.For the excercises
1. 3 answers
2. asked by Sydney
3. 574 views
I need help on a few of these.A. How many protons are in one atom of fluorine - 19? B. How many neutrons are in one atom of
1. 1 answer
2. asked by mary
3. 894 views
I forgot to include the following sentences. Thank you.1) The last theme concern the fundamental questions whether time is
1. 1 answer
2. asked by Mike1
3. 492 views
Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?
1. 5 answers
2. asked by Sara
3. 491 views
Luisa and Connor had $360 altogether. After Connor gave Luisa 2/5 oh his money, she had the same amount of money as he did. How
1. 2 answers
2. asked by Katherine
3. 583 views
How do you do a number pattern for 8 starfish with 5 arms
1. 0 answers
2. asked by Evelyn
3. 489 views
Triangle LMN hes vertices at L(-4,-3), M(2,5), and N(-13,10). If the distance from point P(x,-2) to L equals the distance from P
1. 0 answers
2. asked by Gabi
3. 499 views
Light containing two different wavelengths passes through a diffraction grating with 1300 slits/cm. On a screen 16.0 cm from the
1. 1 answer
2. asked by Chelsea
3. 1,522 views
Microwaves of wavelength 4.50 cm enter a long, narrow window in a building that is otherwise essentially opaque to the incoming
1. 1 answer
2. asked by Stefan
3. 667 views
A good technique to prevent children from talking to you while you're observing them is to what?1. Avoid eye contact 2. Sit far
1. 1 answer
2. asked by Brooke
3. 625 views
I'm writing an essay about Mercutio's character and why friendship is so important to him in Romeo and Juliet. I have a good
1. 1 answer
2. asked by Aria
3. 445 views
Gene has less 12 nickels,dimes,&quarters in his pocket.The probabilty of pulling out a nickel or quarter is 3/4.pulling out a
1. 1 answer
2. asked by mike
3. 452 views
I urgently need you to revise these sentences. I thank you very much for your help1) They prophesy that Banquo will be father to
1. 1 answer
2. asked by Mike1
3. 599 views
DOES ANYONE KNOW A WEBSITE THAT PROVIDES A FULL PRATICE TEST OF SAT AND GIVES YOU SCORE NEXTPS : OTHER THAN COLLEGEBOARD..
1. 3 answers
2. asked by Anonymous
3. 399 views
For a solution that is 0.280 M HC3H5O2 (propanoic acid Ka=1.3*10^-5) and 0.0894 M HI, calculate the following. Concentration of
1. 1 answer
2. asked by Joe
3. 1,095 views
a triangle with a side of length 2/7 units and side of length 15/28 units
1. 1 answer
2. asked by michelle
3. 272 views
She added 4, multiplied the sum by -5, and subtracted 12. She then doubled the result and got -34. What number did Christa
1. 2 answers
2. asked by Jay
3. 667 views
what is the surface area of a rm 12ft x 12ftx9ft
1. 1 answer
2. asked by Anonymous
3. 288 views
What is the pressure of 495 mL of oxygen gas at 30.5°C and 710. mm Hg if the conditions are adjusted to 310. mL and 80.5°C?
1. 1 answer
2. asked by Mary
3. 484 views
A 230. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand
1. 1 answer
2. asked by Mary
3. 430 views
There are 30 students in a math class. 12 belongs to the computer club and 8 belongs to the photograph club. three belongs to
1. 2 answers
2. asked by Duce
3. 784 views
Its 5:23pm Ive just checked to see if I've gotten a response,looks like mine has been skipped over. I see questions that were
1. 1 answer
2. asked by Connie
3. 540 views

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