Archives
2012
April

Questions Asked on April 11, 2012

Ammonia (NH3) boils at -33oC; at this temperature it has a density of 0.81 g/cm3. The enthalpy of formation of NH3(g) is
1. 1 answer
2. asked by Morgan
3. 2,083 views
14z^2 + 6z + 8————————————— = ? 2
1. 1 answer
2. asked by Cheril
3. 573 views
The width of a rectangle is x inches long. The length of that rectangle is 5 inches less than Twice the width. If the perimeter
1. 1 answer
2. asked by KP
3. 933 views
A welding tank has a gauge pressure of 2000psi at 40.0°F. What is the new gauge pressure if the temperature rises to 100°F?
1. 1 answer
2. asked by Madison
3. 621 views
A firm with a kinked demand curve experiences an increase fixed costs. Explain how the firm's price, output and profit change.
1. 0 answers
2. asked by Loini
3. 419 views
Predict the expected change to blood flow should norepi act on arteries of the abdominal cavity?A. Blood flow increases B. Blood
1. 0 answers
2. asked by Jim
3. 543 views
What must the systolic blood pressure be valued at for adequate mean arterial pressure if the diastolic pressure is 75? (Assume
1. 0 answers
2. asked by Jim
3. 438 views
helga needs to lay out her newly created pivot table.what are the two ways she can set up a pivot table?(a)when helga created
1. 0 answers
2. asked by susue
3. 1,303 views
1) Using the 1st equivalence point from part a calculate the molarity of the phosphoric acid. Molarity of NaOH = .1523 MVolume
1. 4 answers
2. asked by Maura
3. 3,267 views
26 g of methane CH4 has a pressure of 450 kPa at 250 degrees celcius find the volume occupied by the gas
1. 2 answers
2. asked by db
3. 1,369 views
1. The surface tension in a cup of water is caused by ____.(1 point)attractive forces between the water and its container
1. 4 answers
2. asked by jhai9
3. 1,440 views
Given 435 in^3 of nitrogen at 1340psi (absolute) at 72.0°F. Find the volume at 1150psi at 45.0°F.
1. 1 answer
2. asked by Madison
3. 448 views
If theta is a standard position angle and cot theta=1.85, in which quadrant(s) could theta lie?
1. 2 answers
2. asked by Person
3. 415 views
Describe the life style disease Lack of Physical Fitness and Proper Nutrition in the Adolescent and explain 5 or more factors
1. 6 answers
2. asked by Neha-sen
3. 543 views
Volume of 1200 L of helium at 4000 Pa is heated from 45.0°C to 75.0°C increasing the pressure to 6000 Pa. What is the
1. 1 answer
2. asked by Madison
3. 1,011 views
Some hydrogen occupies 120 ft at 60.0°F. Find the temperature when its volume is 132ft^3 if the pressure remains constant.
1. 1 answer
2. asked by Jason
3. 547 views
Jamaal is planning to invest up to $23000 in City Bank or State Bank. He wants to invest at least $4000 in City Bank, but not
1. 0 answers
2. asked by Anonymous
3. 657 views
what effect did scientists originally think that the intensity of light shining on a photosensitive surface would have on
1. 2 answers
2. asked by aaa
3. 2,348 views
did Copley like the rich
1. 1 answer
2. asked by Anonymous
3. 484 views
1. The surface tension in a cup of water is caused by ____.(1 point)attractive forces between the water and its container
1. 19 answers
2. asked by jhai9
3. 1,946 views
For a sample size of 10 from a population whose standard deviation is not known, which type of probability distribution is used
1. 0 answers
2. asked by Anonymous
3. 366 views
how many grams of ammonia (NH3) will react with 27.8 grams of nitric oxide (NO)?4NH3 + 6NO d 5N2 + 6H2O
1. 1 answer
2. asked by Anonymous
3. 655 views
A projectile is fired with an initial velocity of 88 ft/sec at an angle of 35° to the horizontal. Neglecting air resistance,
1. 1 answer
2. asked by Amy
3. 404 views
A stack of 24 workbooks weighs 14 2/5 lb. How much does each workbook weigh?
1. 1 answer
2. asked by sam
3. 339 views
Some propane occupies 150 cm^3 at 12.4°C. Find the temperature when its volume is 132ft^3 if the pressure remains constant.
1. 1 answer
2. asked by Sara
3. 466 views
Some air at 275 kPa absolute pressure occupies 50.0m^3. Find its absolute pressure if its volume is doubled at constant
1. 1 answer
2. asked by Ricky
3. 584 views
The angle of incidence of light passing from air to a liquid is 38 degrees.The angle of refraction is 24.5 degrees. What is the
1. 1 answer
2. asked by ******tasha******
3. 734 views
Essay.Show all work. A gardener wants to create a rectangular garden with the length of 3x-2y ft. and the width of 3x-3y ft.
1. 1 answer
2. asked by Lueshelle
3. 471 views
short answer. fin the following quotient.x^2-36/x+6
1. 1 answer
2. asked by Lueshelle
3. 365 views
1. You want to survey people about their favorite exercise. Which sample below is more likely to be random? (1 point)You ask
1. 4 answers
2. asked by NIKE
3. 1,502 views
9X+y=2-4X-y=17
1. 2 answers
2. asked by Jade
3. 375 views
Volume of 1200 L of helium at 4000 Pa is heated from 45.0°C to 75.0°C increasing the pressure to 6000 Pa. What is the
1. 2 answers
2. asked by Alexa
3. 390 views
2. An electric fan having a radius of 0.5 m is running on HIGH. After the LOW button is pressed, the angular speed of the fan
1. 2 answers
2. asked by Jeff
3. 672 views
The Giant Ferris Wheel has a radius of 30meters. Assuming that a time t= t_0 , the wheel rotates counterclockwise with a speed
1. 0 answers
2. asked by Thongfye
3. 1,054 views
Some helium at 20.0psi gauge pressure occupies 40.0ft^3. find its volume at 32.4 psi if the temperature remains constant.
1. 1 answer
2. asked by Sharon
3. 1,248 views
Would this be a good start to a short story? And what do you think i should say next?? This is for two things, my English class,
1. 1 answer
2. asked by Paisley Jane
3. 966 views
A 0.006 00-kg bullet traveling horizontally with a speed of 1.00 x 10^3 m/s enters an 20.1-kg door, imbedding itself 10.9 cm
1. 1 answer
2. asked by johnny
3. 4,357 views
Consider 3 liters of an ideal (monatomic) gas at a pressure of 34 atm and a temperature of 356K. Call this state of the system
1. 1 answer
2. asked by anonymous
3. 660 views
what is 15 degrees lower than 7c
1. 1 answer
2. asked by jade
3. 288 views
The Giant Ferris Wheel has a radius of 30meters. Assuming that a time t= t_0 , the wheel rotates counterclockwise with a speed
1. 0 answers
2. asked by Thongfye
3. 432 views
Ok, so I know I already posted another really long question but we have not learned this yet and are expected to do homework on
1. 0 answers
2. asked by anonymous
3. 468 views
Again, I know I keep posting questions but I'm begging you for help.At 25°C the vapour pressure of pure pentane is 511 torr and
1. 0 answers
2. asked by anonymous
3. 599 views
I still have to check a few other sentences on the same subject. Thank you very much in advance,Writeacher.In particular
1. 1 answer
2. asked by Matthew
3. 698 views
b/3 + 6=82
1. 2 answers
2. asked by dee
3. 669 views
the molar heat capacity of water at 25 degrees celsius is 75.29JK/mol. an exothermic reaction with -5.00kJ proceeded to
1. 1 answer
2. asked by ayanda
3. 1,081 views
what is the density of carbon dioxide at 26.5 degrees C and 755 mm Hg?
1. 4 answers
2. asked by randi
3. 424 views
Write down a half-reaction that explains the change that occurs on the surface of the copper spoon during electrolysis.
1. 0 answers
2. asked by Dludlu
3. 404 views
During the Columbian Exchange what diseases were brought from the new world to Europe?
1. 2 answers
2. asked by Jake
3. 489 views
Identify whether each description best applies to a periodic or a perpetual inventory system.a. Provides more timely information
1. 1 answer
2. asked by Mar
3. 1,762 views
I have a surface area? my base is 18m, height is 4m and wisdth is 14m - do not understand the equation given by teacher of: top
1. 2 answers
2. asked by dj
3. 456 views
people join tennis clubs for a fixed free per year, which entitles them to play as much as they want without charge. because
1. 0 answers
2. asked by michelle
3. 466 views
Throughout most of U.S. history in most locations, what race has been the majority?
1. 1 answer
2. asked by Private
3. 369 views
Biphenyl (C1 2H1 0) burned in a bomb calorimeter inorder to determine its heat of combustion. The heat capacity of the
1. 0 answers
2. asked by Anonymous
3. 542 views
Biphenyl (C1 2H1 0) burned in a bomb calorimeter inorder to determine its heat of combustion. The heat capacity of the
1. 1 answer
2. asked by Anonymous
3. 571 views
I can't find the answer to my crossword puzzle! Here it is:A nation's factories, machines, etc. are it's____________capital. I
1. 1 answer
2. asked by Tori
3. 532 views
Determine the heat of combustion of ethyl alcohol(C2H6O). the right answer is -1238.43 kj/mol. Help with process thank you
1. 1 answer
2. asked by Anonymous
3. 550 views
A one pound piece of iron was heated to 1000 °Cand then quenched in a bucket containing one gallon of water at 25 °C. What was
1. 1 answer
2. asked by Anonymous
3. 922 views
How much heat is required to raise the temperatureof exactly one liter of water fro m 60 °F to 180 °F? answer: 279 kj/mol
1. 2 answers
2. asked by Anonymous
3. 374 views
An experimental alloy contained by copper and tantalum. 3.7950 g of the alloy was dissolved and analyzed gravimetrically. The
1. 3 answers
2. asked by lara
3. 564 views
Why does everyone need to have a lawyer? What are the benefits?? I want to include this in my paragraph for the 6th amendment.
1. 3 answers
2. asked by Laruen
3. 586 views
I still have a few sentences to check.Thank you very much, Writeacher. 1) I would worl at a passion (my passion), because even
1. 1 answer
2. asked by Matthew
3. 422 views
0.1802 g sample of a chlorocarbon compound was analyzed by burning in oxygen and collecting the evolved gases in a solution of
1. 3 answers
2. asked by lara
3. 551 views
A nation's factories, machines, etc. are it's_______capital._ _ y _ _ _ A _
1. 1 answer
2. asked by Anmol
3. 871 views
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of
1. 1 answer
2. asked by bill
3. 756 views
now i get it .later ill post you back to check the answer,okay?
1. 0 answers
2. asked by Celest
3. 330 views
The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of
1. 2 answers
2. asked by bill
3. 1,734 views
how to present the processing requirements and the mandated pretrial measures required by law.
1. 1 answer
2. asked by Jason
3. 400 views
a ball bounces directly upon another ball at rest and it self brought to rest by the impact.if half of initial kinetic energy is
1. 0 answers
2. asked by srikala
3. 391 views
What is the first term of a geometric series with a summation of 800, 4 terms and a common ratio of 3?
1. 0 answers
2. asked by Greg
3. 413 views
why does it have to be half of 315,00. i don't get #4 and #2. i still have a lot of homework
1. 1 answer
2. asked by Celest
3. 324 views
A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-]
1. 1 answer
2. asked by DAN
3. 1,077 views
james said that it would cost him $6.55per day to ski each of the five days if he bought a weekday pass. Why is his answer
1. 1 answer
2. asked by stephanie
3. 415 views
i need help on #2 and #4
1. 1 answer
2. asked by Celest
3. 246 views
Find the height of a rectangular prism with a surface area of 286 inches squared, and a base measuring 63 inches
1. 1 answer
2. asked by Anonymous
3. 593 views
short answer.Find the quotient.6x^3-5x^2-13x+13/2x+3
1. 0 answers
2. asked by Lueshelle
3. 845 views
Which branch of the law regulates wrongful acts involving injury to one’s person, property, or reputation in a situation not
1. 0 answers
2. asked by Anonymous
3. 435 views
The triation of 50.00 mL of 0.025 00 M MES with 0.100 0 M NaOH. MES is a weak acid with pKa=6.27. Compute Ve, first. Show what
1. 1 answer
2. asked by Lance
3. 1,230 views
What is the definiton of marginal proficiency consumer?
1. 0 answers
2. asked by Margaret
3. 644 views
ok so the point are A(3,0) and B(-4,6)and the question asks : the images of points A and B after a reflection in the line y=x.
1. 2 answers
2. asked by Jessica
3. 1,109 views
A crate full of sugar cubes has a volume of 3 cubic feet. The volume of each sugar cube is 0.5 cubic inch. How many sugar cubes
1. 1 answer
2. asked by solangie
3. 559 views
Consider the titration of 100.0 mL of 0.110 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make
1. 1 answer
2. asked by curtis
3. 665 views
A ball bounces to 45 percent of its original height.What fraction of its mechanical energy is lost each time it bounces? What is
1. 0 answers
2. asked by Amber
3. 633 views
Given that acceleration due to gravity at the surface of the earth is 9.8N/kg, estimate a value for the mass of the earth.
1. 0 answers
2. asked by Amponsah
3. 384 views
Please check my project to see if it's good. LET ME KNOW IF THERE ANY GRAMMERS, OR ERRORS!!! I hope you love my project I had
1. 3 answers
2. asked by Laruen
3. 1,100 views
23. During the period of human history known as the ____, human populations grew rapidly because of advances in farming methods.
1. 5 answers
2. asked by mysterychicken
3. 2,455 views
A ball bounces to 45 percent of its original height.What fraction of its mechanical energy is lost each time it bounces? What is
1. 2 answers
2. asked by Amber
3. 1,269 views
A cylindrical 7.00-kg reel with a radius of 0.60 m and a frictionless axle, starts from rest and speeds up uniformly as a
1. 1 answer
2. asked by Julia
3. 961 views
I left out two sentences. Thank you very much.1) My father took a day off to bring (better take/drive) me to the beach. 2) She
1. 1 answer
2. asked by Matthew
3. 392 views
You want to design a curve, with a radius of curvature of 35.0 m, so that a car can turn at a velocity of 15 m/s on it without
1. 1 answer
2. asked by myra
3. 496 views
A motorcycle stunt rider wants to do a loop-the-loop within a vertical circular track. If the radius of the circular track is
1. 0 answers
2. asked by myra
3. 708 views
what activities are in the pre writing stage of the writing process?
1. 1 answer
2. asked by layton
3. 602 views
A space shuttle orbiting Earth at an altitude of 295 km completes an orbit in 90.0 min. Calculate its acceleration and compare
1. 1 answer
2. asked by myra
3. 631 views
If the proceeds of a pension plan are being distributed and the original beneficiary dies, the:A. person who inherits the plan
1. 0 answers
2. asked by Andy
3. 990 views
Using the Internet, encyclopedia, and/other reference material for research, write a 1,000-word report on feudalism in the
1. 4 answers
2. asked by greg
3. 1,504 views
Select the equation that solves this problem:Eight coins (dimes and nickels) are worth 60 cents. How many dimes are there? a.
1. 2 answers
2. asked by Cheril
3. 1,035 views
A weight lifter lifts a barbell from the ground, raises it at a constat velocity and holds it motionless over his head. How does
1. 4 answers
2. asked by Sally
3. 696 views
a 3.67L flask is filled with carbon monoxide at 27 degrees C until the pressure is 1.27 atm. Calculate the total pressure after
1. 1 answer
2. asked by Randy
3. 594 views
I'm doing a health project on family. My question is how does your dad support you? I need ideas thank you
1. 1 answer
2. asked by laila
3. 371 views
Hello.Please help me with a question. Will you use an article in the context: "his task was to monitor (the?) information on the
1. 1 answer
2. asked by Ilma
3. 394 views
Wendy found a rule for a table. The rule she made is y = x + 2.She says that means every y-value will be even.Is she correct?
1. 1 answer
2. asked by Bebe
3. 437 views

Back to April 2012

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024