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2012
April

Questions Asked on April 24, 2012

an unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0 degrees celcius.
1. 2 answers
2. asked by nicole
3. 5,498 views
Three ducks and two ducklings weigh 32 kg. Four ducks and three ducklings weigh 44kg. All ducks weigh the same and all ducklings
1. 4 answers
2. asked by Rezu
3. 5,490 views
Silver chloride has a larger Ksp than silver carbonate. Does this mean thatAgCl also has a larger molar solubility than Ag2CO3?
1. 2 answers
2. asked by Chemistry help needed
3. 4,793 views
The probability that a house will develop a leak is 5%. If 20 house holds are randomly selected, what is the mean number if
1. 3 answers
2. asked by Anonymous
3. 3,671 views
On September 14, Jennifer Rick went to Park Bank to borrow $2,500 at interest. Jennifer plans to repay the loan on January 27.
1. 2 answers
2. asked by Ekanki
3. 3,627 views
A hypodermic needle consists of a plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the
1. 2 answers
2. asked by lenny
3. 3,532 views
1) Which control on a music player or television set allows you to increase or decrease amplitude of the sound waves that come
1. 1 answer
2. asked by G
3. 3,325 views
Gordon Rosel went to his bank to find out how long it will take for $1,900 to amount to $2,420 at 7.8% simple interest.Please
1. 2 answers
2. asked by Ekanki
3. 2,986 views
23. Which of the following does NOT describe an effect of the Industrial Revolution?a. Fossil fuels became more important energy
1. 3 answers
2. asked by mysterychicken
3. 2,829 views
If the ratio of the interior angle to the exterior angle is 5:1 for a regular polygon, finda. the size of each exterior angle b.
1. 3 answers
2. asked by jodi
3. 2,788 views
For a record playing at 45 rpm, find the frequency and the angular velocity.Frequency= Angular velocity=
1. 1 answer
2. asked by Allen
3. 2,496 views
Water has a density of 1000kg/m^3. The depth of a swimming pool at the deep end is about 4m. A)What is the volume of a column of
1. 1 answer
2. asked by Sara
3. 2,361 views
the steam point and ice point of a mercury thermometer are wrongly marked as 92 degree Celsius and 2 degree Celsius
1. 3 answers
2. asked by ashu
3. 2,328 views
Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats.*
1. 4 answers
2. asked by Shelby
3. 2,308 views
A company begins a radio advertising campaign in Chicago to market a new soft drink. The percentage of the target market that
1. 1 answer
2. asked by julie
3. 2,221 views
Introduction to quadratic equations?If you solve the equation by completing the square, fill in the blanks. 9x^2+9x+4=0
1. 2 answers
2. asked by Chelsea:)
3. 2,210 views
Find the molecular formula of a compound that is 48.38% carbon, 8.12% hydrogen, and 53.5% oxygen by mass and has a molecular
1. 1 answer
2. asked by Jo
3. 2,204 views
A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the
1. 1 answer
2. asked by Sally
3. 2,115 views
compare and contrastwhen you compare and contrast two or more things,you tell how they are alike and different. some clue words
1. 3 answers
2. asked by dw
3. 2,019 views
Choose the progressive or emphatic verb tense that is used in each sentence.18.Ms. Palmer has been organizing the class
1. 2 answers
2. asked by heather
3. 1,978 views
Metzger Company compiled the following financial information as of December 31, 2010:Revenues $140,000 Metzger, Capital (1/1/10)
1. 2 answers
2. asked by Anonymous
3. 1,939 views
How many moles of O2 are needed for the complete combustion of 3 moles of CH4?
1. 1 answer
2. asked by annabel
3. 1,912 views
On September 20, Jody Jansen went to Sunshine Bank to borrow $3,900 at 5% interest. Jody plans to repay the loan on January 27.
1. 1 answer
2. asked by Ekanki
3. 1,806 views
A history professor finds that when he schedules an office hour at the 1030 am time slot an average of 3 students arrive. Use
1. 3 answers
2. asked by Sabrina
3. 1,658 views
Another question was: aunt consuelo is consuelo melendez, doctor of dental surgery.I had to choose which words were supposed to
1. 1 answer
2. asked by PJ
3. 1,654 views
Which table (A or B) matches this description: When the input is 0, the output is 0. As the input increases by 1, the output
1. 3 answers
2. asked by Lauren
3. 1,551 views
show that sin 2theta/1-cos 2 theta = cot theta
1. 1 answer
2. asked by lindsay
3. 1,542 views
What is the compound name for Sb2(CrO4)5?This is the only question I am having trouble with.
1. 1 answer
2. asked by Cathy
3. 1,538 views
write two sentences comparing two or more pets or other animals. use at least two adjectives that compare. underline the
1. 1 answer
2. asked by dw
3. 1,504 views
two pieces of wire stretched from the top, M of a vertical pole to the points L and N on the horizontal ground. the angle of
1. 1 answer
2. asked by lindsay
3. 1,492 views
3. Chalcocite is an ore from which copper can be extracted for commercial use. The formula for this important ore is Cu2S. In
1. 3 answers
2. asked by Anonymous
3. 1,489 views
1.Which of the following best describes the graph of x > 2 ?A. Closed dot at x = 2, and shading to the right B. Closed dot at x
1. 1 answer
2. asked by Lauren
3. 1,479 views
a force F1 of 35 newtons pulls at an angle of 15 degrees notrth of due east. A force F2 of 75 newtons pulls at an angle of 55
1. 3 answers
2. asked by Tabby
3. 1,470 views
A 0.185 M solution of a monoprotic acid has a percent ionization of 1.55%. Determine the acid ionization constant (Ka) for the
1. 2 answers
2. asked by cindy
3. 1,439 views
Having some trouble on the comma rule with the word "usually". If it is used in the beginning of the sentence would you put a
1. 1 answer
2. asked by Brandi
3. 1,428 views
A solution contains 0.400 g of NaOH in 20.0 mL of solution.What is its molarity
1. 1 answer
2. asked by Urgent
3. 1,393 views
In 10-15 lines critically discuss 5 ways in which the human factor or environmental problem impacts on the community.
1. 22 answers
2. asked by Life orientation
3. 1,358 views
The question is: my neighbors across the street have a new car; it's a toyota.Answers: (a) My, Street, Toyota (b) My (c) My,
1. 1 answer
2. asked by PJ
3. 1,351 views
Steinwelt Piano manufactures uprights and consoles in two plants, Plant 1 and plant 2. the output of plant 1 is at most
1. 1 answer
2. asked by Terri
3. 1,340 views
A student at St. F. X. decided to become his own employer by using his car as a taxi for the summer. It costs the student
1. 1 answer
2. asked by Rezu
3. 1,330 views
What is the density of propane (CH3CH2CH3) gas at 25°C and 65.0 cm Hg? (1atm=76 cm Hg)
1. 1 answer
2. asked by GIGI
3. 1,281 views
Calculate the amount of NaOH in this solution5.00mL of 12.0 NaOH is diluted with water to make 24 mL of 2.50 NaOH solution
1. 1 answer
2. asked by crystal
3. 1,247 views
A number cube is rolled 420 times and the result recorded as follows: there were 70 ones, 75 twos, 64 threes, 73 fours, 72
1. 1 answer
2. asked by Lisa
3. 1,240 views
Vacation pay payable is reported on the balance sheet as a(n)a. current liability or long-term liability, depending upon when
1. 0 answers
2. asked by Ricki
3. 1,233 views
What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 9 m?the answer in Hz
1. 1 answer
2. asked by michelle
3. 1,226 views
hat fraction of mowers fails the functional performance test ? whar is the probability of having X failures in next 100 mowers
1. 1 answer
2. asked by Anonymous
3. 1,213 views
What river did the Union succeed in capturing with the victory at Vicksburg?Mississippi River? General Sherman carried out a
1. 4 answers
2. asked by Neon
3. 1,190 views
Find the general solution for f(x) = 27 tan^2 x-9=0
1. 1 answer
2. asked by lindsay
3. 1,162 views
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume
1. 0 answers
2. asked by Romy
3. 1,150 views
A. the dictionary definition of a wordB. making assertions about a group that are too broad C. parts of a presentation that
1. 1 answer
2. asked by Erin.
3. 1,148 views
A 1.8 mole sample of a compound weighs 195 g and is found to be 11.18% H and 88.82% C. What isthe molecular formula for the
1. 1 answer
2. asked by annabel
3. 1,148 views
A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is
1. 1 answer
2. asked by Anonymous
3. 1,131 views
Soe using the eliminatin method.Show work.State if it has infinite solutions or no solutions...-15r+12s=24,30r-24s=48
1. 1 answer
2. asked by Lueshelle
3. 1,124 views
Hal walked from point A to point B due north east from a distance of 20m. He immediately changed direction and walked 50m from B
1. 1 answer
2. asked by lindsay
3. 1,113 views
Critically discuss how life style / behaviour disease impact on the teenager
1. 8 answers
2. asked by Loly
3. 1,105 views
Purposewriting an informal report, using a memo format. Preparation First, review the information on outlines in Organizing,
1. 1 answer
2. asked by Anonymous
3. 1,104 views
A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?
1. 0 answers
2. asked by Brooke
3. 1,102 views
AgCl is often used in silver plating and contains 75.27% Ag by mass. Calculate the mass of AgCl required to plate 155 mg of pure
1. 1 answer
2. asked by nailea
3. 1,085 views
What will be the final temperature if 1600 cal of heat is given to an ice block of mass 20 grams?
1. 2 answers
2. asked by shankar
3. 1,081 views
carbon 14 has a half life of 5715 years. If you start with a 5 gram sample of 14C, what mass is left after 15,000 years?
1. 2 answers
2. asked by Mima
3. 1,078 views
Bill Moore is buying a used Winnebago. His April monthly interest at 10% was $128.What was Bill’s principal balance at the
1. 3 answers
2. asked by Ekanki
3. 1,066 views
Xylose, a sugar isolated from wood, has the empirical formula CH2O. If a 6.25 mole sampleof xylose has a mass of 938.3 g, what
1. 2 answers
2. asked by Margie
3. 1,065 views
A mass of 7 kg of water is raised from 8 degrees C to the boiling point 100 degrees C.How much heat is required? The specific
1. 0 answers
2. asked by please help
3. 1,055 views
Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in
1. 0 answers
2. asked by Leila
3. 1,046 views
If you stand at stree level, the angle of elevation to a buildings tenth-story window is great than the angle of elevation to
1. 0 answers
2. asked by zach
3. 1,044 views
Before colonism most colonized people live in
1. 3 answers
2. asked by Anonymous
3. 1,033 views
A straight highway leads to the top of the base of a 50 meter tall tower. Frm the top of the tower, if yhe angles of depression
1. 1 answer
2. asked by shankar
3. 1,032 views
Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 20. She sent the payment November
1. 1 answer
2. asked by Ekanki
3. 1,020 views
Est-ce qu'il y a quelqu'un qui peut lire mon rédaction français?J'ai fait un effort mais je ne sais pas si mes constructions
1. 6 answers
2. asked by Kiran
3. 1,002 views
Leslie Hart borrowed $15,900 to pay for her child’s education at Riverside Community College. Leslie must repay the loan at
1. 1 answer
2. asked by Ekanki
3. 1,001 views
Identify and describe one environmental problem that causes ill health,accidents,criser and disasters within your community or
1. 3 answers
2. asked by Letlhogonolo mktd
3. 982 views
Which of the following statements best describes how Zaroff justifies hunting human beings?
1. 1 answer
2. asked by dominique
3. 980 views
Who was the leader of the Confederate States of America?Jefferson Davis? Who was the President elected serving during the Civil
1. 4 answers
2. asked by Neon
3. 980 views
May. 10, 2010, Leven Corp. negotiated a short-term loan of $705,000. The loan is due Oct. 2, 2010, and carries a 7.06% interest
1. 1 answer
2. asked by Ekanki
3. 974 views
a clear explanation of how drug addiction is a human factor that may cause ill health,accidents,crises or disaster
1. 1 answer
2. asked by lentokazi
3. 966 views
In order to produce a professional- looking garment, pressing should be done?
1. 11 answers
2. asked by linda
3. 961 views
An 8 foot tall fence separates Larry's yard from Evan's yard.The fence is 3 feet from Larry's house and runs parallel to the
1. 1 answer
2. asked by Amber
3. 958 views
A committee is to be chosen from a group of 11 women and 14 men. How many ways can they select a president, treasurer, and
1. 1 answer
2. asked by Anonymous
3. 957 views
Does contemporary literature encourage young readers to look beyond Australian stereotypes?If so then why? Please state atleast
1. 2 answers
2. asked by Rianna
3. 947 views
a clear explanation of how your chosen topic is human factor that may cause ill health,accident,crises or disaster(alcoholism)
1. 1 answer
2. asked by meggie
3. 946 views
{Y= 3xY-x=4 So far I have done this. Please tell me the next steps. Thank you. X=Y-4 Y=3(4-Y) Y=12-3Y
1. 2 answers
2. asked by Urgent PleaseHelp
3. 936 views
Margie Pagano is buying a car. Her June monthly interest at 12.5% was $201. What was Margie’s principal balance at the
1. 1 answer
2. asked by Ekanki
3. 935 views
For ........... the graph of current and voltage is not a straight line and value of resistance is not constant.
1. 1 answer
2. asked by shankar
3. 927 views
a volume of 20. l of O2 os warmed from -30c to 85c what is the new volume if the pressure is kept constant
1. 1 answer
2. asked by annie
3. 909 views
If 0 < y < 1 and 0 < x < 1, find the probability thaty < x. Begin by sketching te graph, and then use the area method to find
1. 1 answer
2. asked by Rose
3. 909 views
Factor using the AC method..6x^3-4x^2-10x
1. 1 answer
2. asked by Lueshelle
3. 907 views
Evaluate the factorial expression8!/6! Use the formula for nPr: How many arrangements can be made using the letters of the word
1. 1 answer
2. asked by Anonymous
3. 882 views
Please can you show me how to do it.An employee receives an hourly rate of $25, with time and a half for all hours worked in
1. 1 answer
2. asked by RIkci
3. 881 views
Solve....x(x-3)=x-9
1. 1 answer
2. asked by Lueshelle
3. 873 views
Suppose Kevin and Jill both deposit $4000 into their personal accounts. If Kevin’s account earns 5% simple interest annually
1. 1 answer
2. asked by Dee
3. 870 views
If 3feet*50metre is Rs.8720,how much would 2feet*40metre cost?
1. 1 answer
2. asked by James
3. 857 views
Ricki Cohn Encyclopedia sales Commission rate: 11% Month’s sales: $2,550 What is the monthly commission?
1. 2 answers
2. asked by Racheal
3. 850 views
What did the confederate soldiers call the Union soldiers?Yankees? What did the union soldiers call the confederate soldiers?
1. 2 answers
2. asked by Neon
3. 839 views
How does the banquet scene blur the clear-cut and common-sense distinction that most of us make between the real and imaginary?
1. 1 answer
2. asked by Lilly
3. 830 views
4. The Earth's tectonic plates and earthquakes are related becausea. most earthquakes take place at or near tectonic boundaries
1. 4 answers
2. asked by mysterychicken
3. 813 views
(6 times square root of 3 + square root of 5)(square root of 3 - 4 times the squae root of 5)
1. 1 answer
2. asked by Jay
3. 811 views
Donna deposits into an account that pays simple interest at a rate of 5% per year. How much interest will she be paid in the
1. 1 answer
2. asked by dani
3. 789 views
When both parents believe that men are capable of nurturing infantsa. mothers devote time to caregiving b. fathers devote less
1. 1 answer
2. asked by Elizabeth
3. 787 views
A spring with a mass of 4 kg has damping constant 28, and a force of 12 N is required to keep the spring stretched 0.5 m beyond
1. 1 answer
2. asked by Marwan
3. 787 views
A farmer has 120 ft. of fencing available to enclose 2 adjacent rectangular pens alongside his barn. NO fencing is required
1. 0 answers
2. asked by Nancy
3. 786 views

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