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2011
April

Questions Asked on April 1, 2011

Answer the questions negatively, using the imperfect tense. Make sure to include the direct object pronoun when needed. Follow
1. 2 answers
2. asked by Dave
3. 7,546 views
Will someone please check my work? I cannot seem to post the map that is in the workbook.Assume that a parcel of air is forcd to
1. 7 answers
2. asked by Chaseone
3. 5,043 views
If an 75-kg baseball pitcher wearing frictionless roller skates picks up a 0.145-kg baseball and pitches it toward the south at
1. 1 answer
2. asked by olga
3. 4,373 views
A boy on a 2.2kg skateboard initially at rest tosses a 7.9kg jug of water in the forward direction.If the jug has a speed of
1. 4 answers
2. asked by Fg
3. 4,051 views
In s 0.30 mol/L HNO3(aq) solution.a) what is the concentration of nitric acid molecules. b)what is the hydroxide ion
1. 6 answers
2. asked by JM
3. 3,623 views
Alcohol levels in blood can be determined by a redox titration with potassium dichromate according to the balanced equation:C2H5
1. 1 answer
2. asked by Renee
3. 3,597 views
An electrochemical cell consists of a nickel metal electrode immersed in a solution with [Ni2+] = 1.0 M separated by a porous
1. 1 answer
2. asked by Halie
3. 3,371 views
Calculate the percent ionization of a 0.15 formic acid solution in a solution containing 0.11 potassium formate.I have the
1. 2 answers
2. asked by redgy
3. 3,271 views
how would you write 7572 1/8 using wordswould it be seven thousnd five hundred seventy two and one eigth
1. 8 answers
2. asked by jill
3. 2,560 views
How many moles of Na2CO3 would be needed to react with 750 mL of 0.250 M H2SO4 solution?
1. 2 answers
2. asked by Emily
3. 2,464 views
Give the conjugate base of the following Bronsted-Lowry acids. (Type your answer using the format CO2 for CO2, [H2AsO4]- for
1. 1 answer
2. asked by Rebekah
3. 2,394 views
Balloon X is filled with the carbon monoxide. Balloon Y is filled to the same volume with carbon dioxide. The balloons are left
1. 1 answer
2. asked by Morgan
3. 2,197 views
Television sets. What does it mean to refer to a 20-in TV set or a 25-in TV set? Such units refer to the diagonal of the screen.
1. 1 answer
2. asked by Valentine
3. 2,135 views
As you walked on the moon, the earth’s gravity would still pull on you weakly and you would still have an earth weight. How
1. 3 answers
2. asked by olga
3. 2,127 views
For positive constants k and g, the velocity, v, of a particle of mass m at time t is given byv= mg/k(1−e^(−kt/m)) At what
1. 1 answer
2. asked by Alisa
3. 2,051 views
A 500 {\rm g} ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle,
1. 2 answers
2. asked by Atlantis
3. 1,977 views
Find constants a and b in the function f(x)=axe^bx such that f(1/8)=1 and the function has a local maximum at x=1/8.a= b= Please
1. 1 answer
2. asked by Fernando
3. 1,953 views
suppose a car operates so inefficently that only 16% of the thermal energy from burning fuel is converted to useful "wheel
1. 4 answers
2. asked by jer
3. 1,810 views
Write the chemical equation for the complete combustion of each fuel. Then find the enthalpy of combustion, ΔHcomb, of each
1. 1 answer
2. asked by Farah
3. 1,711 views
Express the rate of the reaction 2C2H6 + 7O2 -> 4CO2 + 6H2O in terms of:a. Delta [C2H6] b. Delta [CO2] Show work please
1. 3 answers
2. asked by Angel
3. 1,709 views
Aki's Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by c(x)
1. 3 answers
2. asked by Esther
3. 1,695 views
If 5/6 of the 30 members are present, how many members are absent?would that be 5 members absent? Thank you Ms Sue for your help
1. 3 answers
2. asked by jill
3. 1,650 views
"A 1220-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate
1. 1 answer
2. asked by Seth
3. 1,594 views
A titration is performed by adding .600 M KOH to 40.0 mL of .800 M HCl.Calculate the pH before addition of any KOH. Calculate
1. 1 answer
2. asked by Summer
3. 1,580 views
An artillery shells is moving on a parabolic trayectory, when it explodes in midair. The shell chatters into a very large number
1. 1 answer
2. asked by Celine
3. 1,419 views
A man standing on a frictionless ice throws a boomerang which returns to him. Asuuming that the boomerang can only move in a a
1. 1 answer
2. asked by Kurt
3. 1,410 views
A voltage V across a resistance R generates a current I=V/R. If a constant voltage of 16 volts is put across a resistance that
1. 3 answers
2. asked by Alisa
3. 1,400 views
Ernest receives $555 per year from his $7000 investment in municipal and corporate bonds. His municipal bonds pay 6% and his
1. 2 answers
2. asked by Gman
3. 1,379 views
Suppose all of the apples have a mass of 0.10 kg and one of the apples in the bowl (C) is 1.0 meter off the ground. If the apple
1. 1 answer
2. asked by Emily
3. 1,352 views
i really have trouble with math and the algerba really gets me mixed up can u give me some tips for math so i can undrestand
1. 1 answer
2. asked by salassia
3. 1,347 views
Make any necessary corrections to the following paragraph- look for sound alike words, verb tense shift, singular
1. 5 answers
2. asked by tamara
3. 1,308 views
A square steel plate is 9.00 cm on a side and 0.600 cm thick. Assume that the plate is oriented with the square faces horizontal
1. 1 answer
2. asked by Melissa
3. 1,277 views
Lead ii nitrate was added to a small test tube as well as Sodium hydroxide. What is the equilibrium equation for the reaction of
1. 1 answer
2. asked by Keli
3. 1,264 views
I need help describing the similarities and differences between quantitative and qualitative research.
1. 1 answer
2. asked by Stacy
3. 1,228 views
if ED=10 and DB=3x-8 whats the lenght of EB
1. 1 answer
2. asked by Anonymous
3. 1,204 views
A man standing on a frictionless ice throws a boomerang which returns to him. Asuuming that the boomerang can only move in a a
1. 0 answers
2. asked by Kurt
3. 1,197 views
0.60 g of hydrogen chloride (HCl) is dissolved in water to make 6.5 L of solution. What is the pH of the resulting hydrochloric
1. 3 answers
2. asked by Mel
3. 1,194 views
The density of a sample of air is 1.235 kg/m3, and the bulk modulus is 1.42 · 105 N/m2.a) Find the speed of sound in the air
1. 1 answer
2. asked by Urgent
3. 1,184 views
How much work is required to lift a 10kg weight 5m off the floor if the time is 10 sec?
1. 1 answer
2. asked by kitten
3. 1,161 views
A light year is the distance that a light travels through a vacuum (space without matter) in one year. A light year is about
1. 1 answer
2. asked by Maria
3. 1,130 views
The Great Pyramid of Giza has a square base with side length of 755 ft. and an original height of 481 ft. Determine its original
1. 1 answer
2. asked by Shawn
3. 1,107 views
How much heat is required to warm 225g of ice from -46.8 degree celcius to 0.0 degree celcius, melt the ice, warm the water from
1. 1 answer
2. asked by kayt
3. 1,102 views
Please advise if I did this problem correctlySolve the proportion 32/X = 2/3. 32/X = 2/3 32 divided by 2 = 16 11 x 3 = 33 16/33
1. 1 answer
2. asked by Jeannie
3. 1,098 views
Suppose a monopolist faces production function Q = 3KL and demandfunction Q = 12 − P. Derive the input demand (as a function
1. 0 answers
2. asked by Yash
3. 1,077 views
I have to make a cold dessert. I am thinking of making a trifle. I am not sure whether we will be able to heat the custard, can
1. 2 answers
2. asked by george
3. 1,075 views
"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be
1. 0 answers
2. asked by Seth
3. 1,067 views
1. Consider a projectile, say a frictionless teddy bear, which is thrown at an angle of theta� with an initialvelocity of v0. �
1. 1 answer
2. asked by rizwan
3. 1,054 views
suppose you know the values for r, theta, and phi which specify a point. what are the corresponding values of x,y,z? Write an
1. 0 answers
2. asked by Olga
3. 1,030 views
Given that 14.2 liters of chlorine gas react according to the following equation...Cl2 + 3 F2---> 2ClF3 Question: If all gases
1. 1 answer
2. asked by Sam
3. 1,029 views
prepare entries to record the following summarized operations related to production for a company using a job order cost system:
1. 0 answers
2. asked by Tonya
3. 1,023 views
I have a quiz monday on the verb VINIR, and on the quiz we have to make a chart on the passe compose, the imparfait, and the
1. 3 answers
2. asked by kayla w
3. 1,021 views
can u mention me 5 acidic salts , 5 basic salts and 5 neutral salts ?
1. 3 answers
2. asked by auro
3. 1,009 views
Which one is correct?We will follow up the patient with a postop phone call? or We will follow up with the patient with a postop
1. 1 answer
2. asked by Inda
3. 1,001 views
So = 2S1 = 5 Sn = - Sn - 1 + nSn - 2, n >_ 2 How do I interpret the value of n? Is this number equivalent to S1, S0, or 2? I
1. 2 answers
2. asked by Compstudent
3. 1,001 views
A small bottle of propane gas (C3H8) contains 400.0 grams of propane. When the propane is burned in oxygen, how many moles of
1. 1 answer
2. asked by Danielle
3. 991 views
It took me a while to meet my communication goals, because Mrs. step was not their for a while.Does this sentence need the comma
1. 5 answers
2. asked by Pete
3. 989 views
24x^2-22x+3
1. 2 answers
2. asked by hannah
3. 970 views
"A small 0.5 kg object moves on a frictionless horizontal table in a circular path of radius 1 meter. The angular speed is 6.28
1. 0 answers
2. asked by Seth
3. 963 views
Two hundred liters of gas at zero degrees Celsius are kept under a pressure of 150 kPa. The temperature of the gas is raised to
1. 1 answer
2. asked by Anonymous
3. 957 views
Using Volumetric Glassware to Measure, Dilute,and Titrate Acid Solution1)For each of the following procedural errors, indicate
1. 1 answer
2. asked by Anonymous
3. 939 views
Find Molecular and net ionic equation forAl(NO3)3 + Na2CO3
1. 1 answer
2. asked by THE REAL DEAL
3. 937 views
there are 3 nickles 2 dimes and 5 quarters in a purse. the three coins are selected in succession at random. find the
1. 3 answers
2. asked by carly
3. 932 views
Toxic Carbon monoxide gas is produced when fossil fuels such as gasoline, burn wihtout sufficient oxygen gas. The CO ca
1. 1 answer
2. asked by Keren
3. 931 views
I have two questions I need help with. First is a two word answer for _____ can occur when heat from a volcano melts snow on a
1. 0 answers
2. asked by ccrs
3. 930 views
Why risky sex is a serious matter?
1. 1 answer
2. asked by Tammy
3. 921 views
The diagram represents a snapshot of a standing transverse wave on a flexible guitar string taken when the displacement is at a
1. 1 answer
2. asked by Layla
3. 879 views
object A exerts a gravitational force of magnitude 8.2 x 10^-10 N on object B. determine the magnitude of the gravitational
1. 2 answers
2. asked by OMar
3. 850 views
If the specific rotation of Compound X is (-) 123.8º, what would be the observedrotation of its enantiomer, Compound Y,
1. 3 answers
2. asked by Nicole
3. 842 views
Can someone check my answer and let me know if it is missing something?Make any necessary corrections to the following
1. 5 answers
2. asked by tamara
3. 836 views
What are the importance of soldiers home between 1865 to present.Can any one give me some points in the form introduction, 3
1. 6 answers
2. asked by mas
3. 836 views
CH4 + 20 2 --> CO2 + 2H2OHow many liters of CO2 would be produced if 32 grams of CH4 are combined with oxygen??? How many grams
1. 0 answers
2. asked by Ericka
3. 831 views
An artillery shells is moving on a parabolic trayectory, when it explodes in midair. The shell chatters into a very large number
1. 0 answers
2. asked by Celine
3. 830 views
Section I: Make all necessary corrections to the following sentences. If a sentence has no errors, mark it correct as written:I
1. 2 answers
2. asked by peter
3. 824 views
"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the
1. 0 answers
2. asked by Seth
3. 814 views
the area of a right triangle is 12 in ^2. the ratio of the lengths of its legs is 2/3. find the hypotenuse.
1. 1 answer
2. asked by Anonymous
3. 811 views
Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B]
1. 1 answer
2. asked by Karku
3. 806 views
Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B]
1. 2 answers
2. asked by Karku
3. 783 views
He took the test yesterday is it adverb or adjectives
1. 1 answer
2. asked by Sophia
3. 773 views
When a vehicle is parked in the sunlight on a hot summer day, the temperature inside can approach 55°C. One company has
1. 1 answer
2. asked by Farah
3. 758 views
If you and a friend 10 m away each have masses of 84 kg, how much gravitational force are you exerting on your friend?
1. 1 answer
2. asked by olga
3. 746 views
Please can somebody help me with this before 10am on 04/02/11.1. On January 1, Gull Corporation (a calendar year taxpayer) has
1. 5 answers
2. asked by zoran
3. 729 views
A car traveling at 24.3 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
1. 1 answer
2. asked by jean
3. 719 views
At the Indianapolis 500, you can measure the speed of cars just by listening to the difference in pitch of the engine noise
1. 1 answer
2. asked by steve
3. 716 views
How do you find the wavelength of a 68,000 Hz ultrasound wave in air?
1. 0 answers
2. asked by Jesse
3. 715 views
Volume of Aluminum Foil. One cubic centimeter ofaluminum weighs 2.7 grams. If a piece of aluminum foil weighs 5.4 grams, find
1. 2 answers
2. asked by tracey
3. 714 views
An artillery shells is moving on a parabolic trayectory, when it explodes in midair. The shell chatters into a very large number
1. 0 answers
2. asked by Celine
3. 699 views
I have to determine which kind of natural selection is most likely to begin speciation out of stabalizing, directional and
1. 1 answer
2. asked by Regina
3. 691 views
A major television network is trying to determine whether to increase or decrease the number of news-based television shows.
1. 1 answer
2. asked by Beverly
3. 690 views
A 20.0 \mu F capacitor initially charged to 20.0 \mu C is discharged through a 1.90 k\Omega resistor. How long does it take to
1. 1 answer
2. asked by john
3. 689 views
The pressure in each of your car tires is 2.10 105 Pa. The mass of your car is 1690 kg. Assuming that each of your tires bears
1. 1 answer
2. asked by joe
3. 683 views
Two masses are connected by a string as shown in the figure. Mass = 3.4 rests on a frictionless inclined plane, while = 5.5 is
1. 0 answers
2. asked by billy
3. 682 views
During the first part of a trip a canoeist travels 93 miles at a certain speed. The conoiest travels 5 miles on the second trip
1. 4 answers
2. asked by esther
3. 663 views
At a recent rock concert, a dB meter registered 118 dB when placed 1.60 m in front of a loudspeaker on the stage.(a) What was
1. 0 answers
2. asked by BILL
3. 658 views
this problem is difficutl for me i have an answer but im unsure so if someone could check my answer please. heres my problem:A
1. 1 answer
2. asked by Angel
3. 656 views
A missile is fired at an angle of 75 from the horizontal. At one point, its speed was 900 mph. Find its horizontal velocity in
1. 0 answers
2. asked by d
3. 650 views
Hi, I have to write a research paper and I decided to write about the history/importance of imaginary numbers. I don't know how
1. 1 answer
2. asked by Jon
3. 650 views
What is the pressure gradient (the drop of pressure per length unit) in a blood vessel with a volume flow rate of ÄV/Ät = 35
1. 1 answer
2. asked by Anonymous
3. 644 views
plz hurry, call fot help.nike product lines nike marjor accomplishments of the past few years competitive strategies plz give
1. 5 answers
2. asked by invy
3. 643 views
What responsibility do you think the international community has when natural disaster strikes a community as it did in Haiti?
1. 1 answer
2. asked by Pavlos Cs
3. 635 views
Find Molecular and net ionic equation forAl(NO3)3 + Na2CO3
1. 1 answer
2. asked by THE REAL DEAL
3. 632 views

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