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Questions Asked on November 20, 2010

A bone is found to have 45% of the original amount of carbon 14. If the half life of carbon is 5600 years, how old is the bone.W
1. 3 answers
2. asked by Hannah
3. 2,165 views
An artisan can sell 120 garden ornaments per week at $4 per ornament. For each $0.50 decrease in price, he can sell 20 more
1. 1 answer
2. asked by Gianluca
3. 3,867 views
The 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710. Determine the 25th term.
1. 3 answers
2. asked by Emily
3. 1,745 views
if a ball, fired as a projectile, travels 30 meters when it leaves the the ground at 20% angel, it will travel the same distance
1. 1 answer
2. asked by luke
3. 471 views
if a ball, fired as a projectile, travels 30 meters when it leaves the the ground at 20% angel, it will travel the same distance
1. 1 answer
2. asked by luke
3. 740 views
If Apple iPod only played iTunes, and iTunes only could be heard on the Apple iPod, could Apple price the technologically
1. 0 answers
2. asked by Anonymous
3. 529 views
How can you justify the existence of government-granted monopolies for public utilities such as natural gas distribution and
1. 1 answer
2. asked by Anonymous
3. 452 views
How has increased urbanization affected the societies of Spain and Portugal?
1. 1 answer
2. asked by tony
3. 419 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. asked by Dana
3. 372 views
How many grams of CO2 will be produced when 29.0g of C3 H8 reacts with extra O2?
1. 3 answers
2. asked by Jessica
3. 531 views
What volume of NaOH is required to neutralize 50mL of 0.5M phenol?So this is just a small calculation in a complex problem, and
1. 1 answer
2. asked by Jon
3. 1,014 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. asked by Dana
3. 354 views
What would be the journal entry to record ten $2,000, 6%, 10 year bonds at 96 on January 1st?
1. 0 answers
2. asked by Leona Davis
3. 399 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1. 0 answers
2. asked by Dana
3. 364 views
deduction for AGIToby, a calendar year tax payer, was employed and resided in NY. On February 2, 2009, Toby was permanently
1. 0 answers
2. asked by Tiffanie
3. 466 views
If 1.70 liters of 0.670 M CuSO4 solution is electrolyzed by passing 4.70 amps through the solution for 3.00 hr using inert
1. 0 answers
2. asked by Dana
3. 488 views
Jim and Kay Bridges contributed to the support of their two children, Samantha and Amanda, and Jim's widowed parent, Carl. For
1. 0 answers
2. asked by Tiffanie
3. 455 views
A rope can withstand a maximum tension of 75 N before snapping . What maximum speed can you spin a 6.0 kg rock in a vertical
1. 4 answers
2. asked by Dwight
3. 1,064 views
PLEASE HELP THANK YOU. I need to evaluate this equation with the following inputs. F(x) = 5x -12 Input: 3 and 2
1. 2 answers
2. asked by CANDY
3. 368 views
If 1.70 liters of 0.670 M CuSO4 solution is electrolyzed by passing 4.70 amps through the solution for 3.00 hr using inert
1. 0 answers
2. asked by Dana
3. 1,229 views
can you please do a commentary on this article. the title is whose class are you in.
1. 1 answer
2. asked by nicola
3. 343 views
im reading othello and i don't understand the meaning of this quotebut i will wear my heart upon my sleeve for daws to peck at:
1. 3 answers
2. asked by NeedHelp
3. 458 views
Rectangle ABCD has diagonals AC and BD. E is the point of intersection of the two diagonals. If the area of triangle AEB is 8,
1. 3 answers
2. asked by Jen
3. 1,021 views
Why do you think freedom and independence were so important to the colonists?
1. 1 answer
2. asked by Lala
3. 474 views
The Cedar Bluff express KAT bus averages 5 mph for 17 minutes, and then 44 mph for 13 minutes. What was its average speed? (mph)
1. 2 answers
2. asked by sandhu
3. 573 views
"Though I do hate him as I do hell-pains,Yet, for necessity of present life, I must show out a flag and sign of love, Which is
1. 1 answer
2. asked by NeedHelp
3. 681 views
in a titration, 0.0400 mol of solid NaOH is required to neutralize 10.0 mL of H2SO4(aq). From these data, the [H2SO4] is:
1. 2 answers
2. asked by jj re
3. 1,153 views
The thermodynamic equilibrium constant for the following reaction is 0.15 at 1227°C.2 SO2(g) + O2(g) 2 SO3(g) Which is true?
1. 1 answer
2. asked by carla
3. 663 views
What is the energy in joules of an x-ray photon with wavelength 8.40*10e-10 m?____J? (b) Convert the energy to electron volts.
1. 1 answer
2. asked by Jessica
3. 548 views
Why would it be important for the Alpine countries to maintain good relation with Germany?
1. 2 answers
2. asked by tony
3. 623 views
Compare and contrast your abilities as an academic writer now as opposed to when you began your studies at college using four
1. 1 answer
2. asked by marcus
3. 508 views
a mixture of n2 and O2 contains 2.7 g of O2 and occupies 3.1 L at 28 degrees celcius, 810 mm Hg. how many grams on N2 are there
1. 2 answers
2. asked by MAX
3. 542 views
When Kennedy was elected president, many were:A. fearful because he had not won a majority of the popular vote. B. pleased
1. 3 answers
2. asked by anthony
3. 400 views
1. Give the quadratic relation y=-2x^2+8x+42, find the vertex of the parabola.
1. 1 answer
2. asked by ted
3. 367 views
You want to start a company, and are trying to decide between two different industries. You are doing your final research before
1. 0 answers
2. asked by Mike
3. 1,135 views
An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000
1. 1 answer
2. asked by Nick
3. 414 views
Given the following equation: NH3 +O2 �¨ NO + H2OCalculate the number of grams of ammonia needed to form 40.12 moles of
1. 2 answers
2. asked by peter
3. 538 views
1. The US foreign policy of the Kennedy Administration:A. tried to prevent the spread of communism by military intervention and
1. 3 answers
2. asked by anthony
3. 914 views
I wrote these 5 sentences for a assignment and would like some feeback on them as to what I may need to work on. 1.Our education
1. 3 answers
2. asked by Brandy
3. 556 views
What is the structure for PCl3Br2 and 3 isomers?
1. 0 answers
2. asked by devin
3. 1,335 views
Consider the following reaction at equilibrium:2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
1. 1 answer
2. asked by richy
3. 1,780 views
a sample of unknown gas is found to have a volume of 479 mL at 27.0 degrees C and 1.30 atm. How may moles of gas are int eh
1. 2 answers
2. asked by Jazz
3. 567 views
Indentify the direction of the netforce in each of the following situations.A marble moves in a circular path inside a paper
1. 0 answers
2. asked by JJ
3. 1,114 views
When 0.59 mol I2(g) and 0.59 mol H2(g) are placed into a 1.0-L container at a given temperature, 0.30 mol H2(g) is found to be
1. 1 answer
2. asked by Shayne
3. 512 views
A spring with spring constant 14.0 N/m hangs from the ceiling. A 490 g ball is attached to the spring and allowed to come to
1. 1 answer
2. asked by Michael
3. 1,192 views
what is the mass of a piece of zinc if it has a volume of 225cm
1. 0 answers
2. asked by bailey lewis
3. 348 views
what do you think of the concept of Negative, intrinsic,and positive reinforcementand could you give some examples?
1. 2 answers
2. asked by Need Help!!!!
3. 376 views
1. Kennedy's record on civil rights:A. did not exist. B. was completely revolutionary. C. produced mixed results. D. was
1. 2 answers
2. asked by anthony
3. 379 views
In an industrial process, the following reaction is carried out in the presence of a catalyst:C16H65 + Cl2 �¨ C16H65Cl12
1. 1 answer
2. asked by stacy
3. 472 views
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of
1. 1 answer
2. asked by stacy
3. 1,198 views
the concepts of Natural and logical consequences if you have any examples that would be nice to read.
1. 1 answer
2. asked by new to the site
3. 438 views
Consider the reactionN2 + 3H2 in equilibrium with 2 NH3 . At 25°C Ho = -92.22 kJ and So = -198.53 J/K. Using this information,
1. 0 answers
2. asked by Shayne
3. 573 views
The following problem has a total of six solutions each. (X^2-5x+5)^x^2-9x+2=1.Its extra credit
1. 1 answer
2. asked by brittany
3. 444 views
A room is 3.4 smoots wide, 7.1 smoots long, and 1.5 smoots high. 28% of the room's walls are windows and doors. Determine the
1. 0 answers
2. asked by sandhu
3. 597 views
What volume of a 0.176 M Na2S solution contains 1.01 g of Na+ ions?Please show work, I appreciate your help
1. 2 answers
2. asked by MARIE
3. 2,496 views
If you mix 20.0 mL of a 3.00 M sugar solution with 30.0 mL of a 5.57 M sugar solution, you will end up with a sugar solution
1. 2 answers
2. asked by Angela
3. 2,874 views
Indicate the number of unpaired electrons present in Kr Atom...?
1. 1 answer
2. asked by Rosie
3. 623 views
Consider the following reaction at equilibrium:2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
1. 1 answer
2. asked by richy
3. 680 views
California Clinics, an investor-owned chain of ambulatory care clinics, just paid a dividend of $2 per share. The firm’s
1. 0 answers
2. asked by 1time
3. 752 views
Write a complete set of quantum numbers for the 5th electron added to H ion..(5th electron in any electron configuration).n= l=
1. 2 answers
2. asked by Anonymous
3. 1,986 views
What minimum coefficient of friction between the tires and the road will allow a 3700 kg truck to navigate an unbanked curve of
1. 1 answer
2. asked by Ed
3. 2,713 views
The retina of a human eye can detect light when radiant energy incident on it is at least 4.0x10^(-17)J. For light of 535nm
1. 1 answer
2. asked by Anonymous
3. 1,031 views
there are 3500 species of bees and more than 600,00 species of insects. how many insects are bees. write an inequlity.
1. 4 answers
2. asked by Anonymous
3. 801 views
I am really confused...can someone help me with this? I am supposed to graph solution of given system of linear inequality:y is
1. 1 answer
2. asked by Lynne
3. 954 views
A 47.7-g sample of SrCl2 is dissolved in 112.5 mL of solution. Calculate the molarity of this solution.
1. 2 answers
2. asked by Jessica
3. 3,399 views
If you mix 40.0 mL of a 0.389 M solution of K2CrO4 with 40.0 mL of a 0.389 M solution of AgNO3, what mass of solid forms?
1. 1 answer
2. asked by Angela
3. 1,144 views
how to balance chemical equations
1. 1 answer
2. asked by Linda
3. 571 views
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL ) of 0.15 M AgNO3 .What is
1. 1 answer
2. asked by Josh
3. 721 views
Calculate the pH at the equivalence point in titrating a 0.120 M solution of NaHCrO4 (sodium hydrogen chromate) with 7.0×10−2
1. 3 answers
2. asked by Josh
3. 681 views
During the first part of a rip a canoeist travels 43 miles at a certain speed. The canoeist ravels 19 miles on the seond part of
1. 1 answer
2. asked by Kim
3. 385 views
There is a host of reasons... or There are a host of reasons.... Which is correct?
1. 1 answer
2. asked by Ann
3. 1,457 views
how can 2 boys weighing 100lbs each and a man weighing 200lbs cross the river in a boat that only holds 200lbs safely?
1. 1 answer
2. asked by d
3. 521 views
The packet of biscuits has passed its expiry date or The packet of biscuits has past its expiry date.Or both sentences correct?
1. 1 answer
2. asked by Ann
3. 409 views
Which has the higher [H+], 0.40 M RbOH or 0.20 M Ca(OH)2?
1. 1 answer
2. asked by Jane
3. 923 views
In 8.6 s a fisherman winds 2.7 m of fishing line onto a reel whose radius is 3.0 cm (assumed to be constant as an
1. 1 answer
2. asked by mackenzie
3. 805 views
why is dilute nitric acid not used in manufacture of hydrogen sulphide instead of dilute sulphuric acid?
1. 2 answers
2. asked by sanjeet
3. 496 views
graphs of trignometry
1. 1 answer
2. asked by zainab
3. 482 views
1. A cow can make about 12kg of wastein a day. ( Is a cow a female? Can a cow mean both male and female ones? What about in this
1. 1 answer
2. asked by rfvv
3. 389 views
A heavy ball A of mass 10kg is moving at a velocity of 10m/s to the right. When it hits a stationary ball B of mass 5kg, ball B
1. 2 answers
2. asked by Anonymous
3. 1,095 views
Q 2) A particle executes simple harmonic motion with an amplitude of 10 cm. At what distance from the mean position are the
1. 3 answers
2. asked by Pronab
3. 1,419 views
what are the four main steps that should be followed to make sure that the code is an accurate description of the diagnosis
1. 1 answer
2. asked by marisha
3. 423 views
Consider a simple haemonic motion of time period T . Calculate the time taken for the displacement to change value from half the
1. 1 answer
2. asked by Pronab
3. 466 views
What are the sequences of weather events a city goes through when an idealized, middle latitude,mature cyclone that hasn't
1. 3 answers
2. asked by Frick
3. 1,104 views
In a panic stop, a 109 ton train can slow down with an acceleration of 0.08 g's. What is the time required to stop a train from
1. 1 answer
2. asked by sandhu
3. 482 views
B1. (Choosing financial targets) Bixton Company’s new chief financial officer is evaluatingBixton’s capital structure. She
1. 0 answers
2. asked by Anonymous
3. 922 views
force of a toy jeep if the mass=50kg & is traveling at 4m/s& the radius is 50 centimeters.
1. 0 answers
2. asked by Val
3. 755 views
determine the velocity of a toy jeep if it has a distance of 80 meters and a time of 8 seconds?
1. 1 answer
2. asked by Val
3. 656 views
Acceleration is F/SA=F/M this is: direct inverse not sure both direct &inverse
1. 0 answers
2. asked by Val
3. 705 views
change 85 kilograms to gramschange 45 meters to centimeters change 70 nanometers to meters
1. 0 answers
2. asked by Val
3. 427 views
Machines are used to pack sugar into packets supposedly containing 1.20 kg each. On testing a large number of packets over a
1. 1 answer
2. asked by srinu
3. 552 views
solve the simultaneous equation2x+2y=7 x^2-4y^2=8
1. 1 answer
2. asked by fardeen
3. 1,305 views
Submit pseudocode and a flowchart for the following programming exercise:Test Average and Grade Write a program that asks the
1. 3 answers
2. asked by Anonymous
3. 2,328 views
Submit pseudocode and a flowchart for the following programming exercise:Largest and Smallest Design a program with a loop that
1. 3 answers
2. asked by Anonymous
3. 1,403 views
Years ago, a block of ice with a mass of about 22kg was used daily in a home icebox. The temperature of the ice was 0.0 degrees
1. 3 answers
2. asked by Norah
3. 2,680 views
An unclothed student is in a 27 degree Celsius room.If the skin temperature of the student is 37 degree Celsius, how much heat
1. 1 answer
2. asked by Ashleigh
3. 1,304 views
two charges +1.2*10^-8 C and -1.6*10^-8 C are placed at the corners A and B of a right angled triangle ABC in which AB=3cm,
1. 1 answer
2. asked by sanjeet
3. 913 views
I wrote this for my class and I just want to make sure I have it right. The role of education plays a very big part in the
1. 2 answers
2. asked by stacey
3. 585 views
Can some one proof read my short essay for gramatical errors, or just the anything in general.heres the question i am answering:
1. 1 answer
2. asked by Sara
3. 536 views
Calculate the pH at the equivalence point in titrating a 0.120 M solution of NaHCrO4 (sodium hydrogen chromate) with 7.0×10−2
1. 1 answer
2. asked by Josh
3. 980 views
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL ) of 0.15 M AgNO3 .What is
1. 3 answers
2. asked by Josh
3. 3,411 views

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