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Questions Asked on November 14, 2011

Consider the combustion of propane:C3H8(g)+5O2(g) yields 3CO2(g) + 4H2O(l) delta H= -2221 kJ Assume that all of the heat comes
1. 3 answers
2. asked by Shellby
3. 8,725 views
True or false?1 mole of ozone has 1.8 x 10^24 atoms? correct if wrong THANK YOU!
1. 1 answer
2. asked by Matt
3. 498 views
When dissecting a fetal pig, how can you tell the difference between veins and arteries? I remember someone saying something
1. 0 answers
2. asked by Teddy
3. 1,065 views
The Beaufort Sea touches what two North American countries? Canada and the United States2. Are there any states located south of
1. 1 answer
2. asked by Reed
3. 1,030 views
Persuasive speeches focus on forcing the audience to change the way it thinks and feels.TRUE OR FALSE I just wanted to double
1. 3 answers
2. asked by Michelle
3. 1,191 views
hi, reading over momentum notes and i just want to clarify a few things.if i had a system containing a cart that was moving
1. 0 answers
2. asked by dave
3. 1,142 views
the combining ratio by weight of copper and sulfur assignment
1. 1 answer
2. asked by Anonymous
3. 504 views
Solve the system of equationsx + 3y = 32 -3x + 2y = 3
1. 1 answer
2. asked by p
3. 435 views
A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.)a)Find the
1. 2 answers
2. asked by John
3. 15,675 views
Write a 500- to 550-word essay response for Part Two. Comprehensive writing skills must be used.Explain the effect of
1. 5 answers
2. asked by amanda
3. 572 views
A 11.5 m long conveyor belt, inclined at 30.0°, is used to transport bundles of newspapers from the mailroom up to the cargo
1. 3 answers
2. asked by Iklishi
3. 648 views
Assertive speakers tell their listeners what they mean and what they expect.true or false, Assertive communication is said to be
1. 2 answers
2. asked by Michelle
3. 559 views
Your self-concept is not usually influenced by your communication with others or their feedback to you.true or false true?
1. 4 answers
2. asked by Michelle
3. 664 views
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told to look up
1. 2 answers
2. asked by Jessica
3. 791 views
You are the chief editor of a large metropolitan daily newspaper. One of your reporters is caught fabricating sources and making
1. 2 answers
2. asked by crying out for help!!!!
3. 533 views
You are eating soup from a hemispherical bowl of radius 6cm at a constant rate of 40ml/min. Find the rate at which the soup
1. 2 answers
2. asked by A
3. 1,056 views
A rectangle with its base on the x-axis is to be inscribed under the graph of y=2-x^2. Find the height of the rectangle if the
1. 1 answer
2. asked by Sarah
3. 5,340 views
Does this question --Does he like sandwiches? -- translate to ¿A él le gustan los sándwiches?
1. 1 answer
2. asked by Anonymous
3. 601 views
A tanker is spilling oil into the water resulting in an oil slick that is close to circular. At te time that the slick's
1. 1 answer
2. asked by Sarah
3. 1,254 views
A man 6ft. tall walks at the rate of 5 ft/sec toward a streelight that is 16 ft. above the ground. At what rate is the length of
1. 1 answer
2. asked by Sarah
3. 1,128 views
A sample of C3H8O that contains 200. molecules contains ________ carbon atoms.
1. 2 answers
2. asked by Matt
3. 4,424 views
Consider the combustion of propane:C3H8(g)+5O2(g) yields 3CO2(g) + 4H2O(l) delta H= -2221 kJ Assume that all of the heat comes
1. 1 answer
2. asked by Shellby
3. 1,485 views
A boat can travel 2.85 m/s in still water. If the boat points its bow directly across stream whose current is .95 m/s, what is
1. 1 answer
2. asked by Anonymous
3. 895 views
which contains the lowest % of hydrogen?HCl H3PO4 H2SO4 H20 is it HCL?
1. 1 answer
2. asked by Matt
3. 413 views
An airplane with an airspeed of 33.3 m/s is headed 30 degrees east of north in a wind blowing due west at 30 m/s. What is the
1. 1 answer
2. asked by Anonymous
3. 619 views
4. Solve the system of equationsx + y = 6 x - y = -9
1. 1 answer
2. asked by p
3. 510 views
If the pattern below follows the rule "add 6 to the previous number and then multiply the result by 3" what is the third number
1. 1 answer
2. asked by Anonymous
3. 860 views
what properties would you predict for darmstadtium?
1. 0 answers
2. asked by Anonymous
3. 413 views
Two Planes approach each other head-on. One plane has a speed of 800 km/h and the other has a speed of 900 km/h and they spot
1. 1 answer
2. asked by Anonymous
3. 608 views
Bill damaged the spinothalamic tract on the right side of his spinal cord at the thoracic level. What would be impaired?1) touch
1. 0 answers
2. asked by Cari
3. 724 views
A plane has an airspeed of 200 m/s due north and is subject to a westerly wind of 50 m/s. What is the planes speed relative to
1. 1 answer
2. asked by Anonymous
3. 1,611 views
A 1.6 air bubble is released from the sandy bottom of a warm, shallow sea, where the gauge pressure is 1.6 . The bubble rises
1. 4 answers
2. asked by Anonymous
3. 4,689 views
There is one rectangle in Figure 1There are 3 rectangles in Figure 2 (two small and the one made of two) There are 6 rectangles
1. 0 answers
2. asked by Anonymous
3. 416 views
What is mean median and mode
1. 1 answer
2. asked by Andrea
3. 482 views
If the average rate of change of g(x) from x = 1 to x = 9 is 20, and if the average rate of change of g(x) from x = 9 to x = 21
1. 2 answers
2. asked by Brianna
3. 923 views
Given a normal distribution of scores with a mean of 100 and a SD of 10, compute z scores for the following raw valves: 95, 115,
1. 1 answer
2. asked by Anonymous
3. 1,427 views
Find the instantaneous rate of change of r with respect to theta for r = (theta/2)- (1/theta).
1. 1 answer
2. asked by Emma
3. 1,212 views
1. The hydraulic theory of state formation is: (Points : 1)polities conquer societies which have irrigation. polities with
1. 10 answers
2. asked by Rabia
3. 835 views
differentiate 1-cosx/1+cosx
1. 1 answer
2. asked by Emma
3. 400 views
a pet truck is moving at 25m/s north, a dog inside moves at 1.75 m/s at angle 35 degrees east of north. What is the velocity of
1. 3 answers
2. asked by anna
3. 10,877 views
Power Point Presentation: The Professional Standards Movementi) How has the content and professional standards movement in K-12
1. 1 answer
2. asked by danie
3. 432 views
How do i find the Gcf with veriables.For example. 15b^3c^2, 75ab^2c^3 (^ = exponent)
1. 1 answer
2. asked by Jamie
3. 365 views
Jeff made some designs using equilateral triangles, as shown bellow. He noticed that as he added new triangles, there was a
1. 0 answers
2. asked by Anonymous
3. 816 views
What is the health advantage that can result in sickle cell hemoglobin?
1. 1 answer
2. asked by Courtney
3. 448 views
Calculate the density of the balls in this area. Each ball has a mass of 1 kg.Estimate the area taken up by the whole structure
1. 0 answers
2. asked by KAy
3. 1,305 views
A car is traveling south at a speed of 68 mi/h from Dallas toward San Antonio. Dallas is about 272 miles north of San Antonio. A
1. 1 answer
2. asked by Suchi
3. 830 views
Solve graphically y = 2x - 6 and y = -2x + 10
1. 1 answer
2. asked by p
3. 523 views
A 100g sample of water at 90 degrees celsius is added to a 100g sample of water at 10 degrees celsius.The final temperature of
1. 2 answers
2. asked by Shellby
3. 6,342 views
a small block of mass M=0.050 kg is released from rest at the top (h=0.60 m) of the curved frictionless ramp shown above. The
1. 0 answers
2. asked by emilyy
3. 787 views
Are there any tutors on here that are familiar with The Canterbury Tales?
1. 1 answer
2. asked by Josh
3. 943 views
An estimation of the radius of a lead atom:a. You are given a cube of lead that is 1.000 em on each side. The density of lead is
1. 2 answers
2. asked by Arnol
3. 2,034 views
The value of delta H for the reaction of 2Na2O2(s) + 2H20(l)----> 4NaOH(s)+O2(g) is -126KJ When 2.0 moles of NaOH is formed?
1. 3 answers
2. asked by Linda
3. 1,512 views
Your task is to design a rectangular industrial warehouse consisting of three separate spaces of equal size.?The wall materials
1. 0 answers
2. asked by saud
3. 951 views
Find the angle that maximizes the area of the isosceles triangle whose legs have length l=31angle=
1. 4 answers
2. asked by saud
3. 4,564 views
How many liters of base will neutralize 1 liter of acid?
1. 1 answer
2. asked by Anonymous
3. 386 views
A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet
1. 1 answer
2. asked by sand
3. 1,417 views
A 2010 kg car traveling to the west at 18.5m/s slows down uniformly under a force of 8880 N to the east. a) How much force would
1. 0 answers
2. asked by Eileen
3. 591 views
find the derivative of: (x^2+y^2)^2=x^2-y^2
1. 1 answer
2. asked by Maria
3. 298 views
A sample of Argon gas at standard pressure occupies 1000 mL. At constant temperature, what volume does the gas occupy if the
1. 3 answers
2. asked by Jessie
3. 2,687 views
SOLVE THE EQUATION BY USING EQUIVALENT FRACTIONS?1. 12/21=X/7, What's X= 2. 12/16=6/Z, What's Z= 3. 4/14=20/Y, What's Y= 4.
1. 2 answers
2. asked by Jasmine
3. 651 views
find the derivative of: (x^2+y^2)^2=x^2-y^2
1. 1 answer
2. asked by Maria
3. 338 views
an estate was divided Among three heirs. After Andrea received 20% of the estate, her mother received 50% of what remained,
1. 1 answer
2. asked by Vic
3. 555 views
How and why did Russia emerge as a great power? Discuss the character of Peter the Great. How were his reforms related to his
1. 1 answer
2. asked by Camile
3. 860 views
A 13-foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away at a rate of 2 feet per
1. 0 answers
2. asked by Maria
3. 736 views
The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must
1. 2 answers
2. asked by Sue
3. 1,755 views
Is this a good paragraph with correct grammar? The Grilled Cheese Memorial and Museum is an interesting and educational place to
1. 4 answers
2. asked by dakota
3. 1,193 views
At time t >or= to 0, the position of a particle moving along the x-axis is given by x(t)= (t^3/3)+2t+2. For what value of t in
1. 2 answers
2. asked by Millie
3. 3,593 views
Maximize p = 2x + 2ysubject to 4x + 8y 24 8x + 4y 32 x 0 , y 0 (Round all answers to the nearest 0.1.) p = Incorrect: Your
1. 0 answers
2. asked by LC
3. 589 views
Consider the following data:* NH3(g) yields 1/2 N2(g) + 3/2 H2(g) delta H = 46kJ * 2 H2(g) + O2(g) yields 2 H2o(g) delta H =
1. 1 answer
2. asked by Shellby
3. 1,176 views
Ionization is when an electron is removed from an atom and ionization energy is the energy required to do this. "Electrons
1. 6 answers
2. asked by Jessica
3. 851 views
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When
1. 0 answers
2. asked by Leanne
3. 505 views
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When
1. 0 answers
2. asked by Leanne
3. 504 views
Each week you must do a minimum of 18 hours of homework. Participation in sports requires at least 12 hours per week. You have
1. 1 answer
2. asked by Shadow
3. 790 views
A heavy-duty stapling gun uses a 0.162-kg metal rod that rams against the staple to eject it. The rod is pushed by a stiff
1. 1 answer
2. asked by Leah
3. 2,189 views
Tyler buys a stereo system for $1200, and pays for it using a credit card. This particular card charges 1.5 percent monthly
1. 0 answers
2. asked by Danielle
3. 807 views
Suppose you just inherited a gold mine. This gold mine is believed to have three years worth of gold deposit. Here is how much
1. 3 answers
2. asked by Lamarr
3. 802 views
Lalph Rauren was famous for discovering potential models as he walked the streets of New York. One day he spotted four girls who
1. 0 answers
2. asked by Julie
3. 1,003 views
Calculate the pH at the equivalence point for the titration of 0.120 M methylamine with 0.120 M HCl (kb of methyalamine is 5.0 x
1. 1 answer
2. asked by Mariana
3. 1,322 views
The current in a very long, tightly wound solenoid with radius a and n turns per munit length varies in time according to the
1. 0 answers
2. asked by Jasmine
3. 509 views
A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic
1. 0 answers
2. asked by Jasmine
3. 519 views
I have a question it the reflection rules for literture they said for presentation i have to have 1 orgainal and 2 copies are to
1. 4 answers
2. asked by Laruen
3. 536 views
based on a random sample of 640 college students, the mean amount of sleep college students. construct a 95% confidence interval
1. 2 answers
2. asked by jamie brice
3. 847 views
Find the angle that maximizes the area of the isosceles triangle whose legs have length l=31angle=
1. 0 answers
2. asked by saud
3. 650 views
A 13-foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away at a rate of 2 feet per
1. 3 answers
2. asked by Maria
3. 4,204 views
how did the aborignal people get thie food?
1. 1 answer
2. asked by navjot
3. 349 views
I am trying to look for 20 lines of blank verse in shakespeare's play Measure for Measure.I found this: we CANnot WEIGH our
1. 0 answers
2. asked by Jasmin
3. 1,136 views
1 liter of a 1 M lithium hydroxide solution is added to 1 liter of a 1 M barium chloride solution, and a precipitate forms. What
1. 1 answer
2. asked by Olivia
3. 475 views
A 36 cm diameter wheel accelerates uniformly about its center from 150 rpm to 360 rpm in 3.6 s. Determine the radial component
1. 0 answers
2. asked by David colon
3. 962 views
Please chech for any errors and let me know if I need to change please correct it for me.Obesity is one of the major causes of
1. 3 answers
2. asked by angela
3. 612 views
I have prepared my assignment but i am not sure if i am correct or not in punctuations,capitalization, sentences that i have
1. 1 answer
2. asked by study
3. 706 views
how do you construct a reflection, rotation, and a translation of a triangle?
1. 0 answers
2. asked by Anonymous
3. 355 views
What is the function of each of the following reagents in this experiment: phosphoric acid; anhydroussodium sulfate; sodium
1. 1 answer
2. asked by Anonymous
3. 1,246 views
A person drops a stone from a bridge. How high is the bridge if they hear the splash 4 seconds later. Assume the speed of sound
1. 1 answer
2. asked by c
3. 723 views
A ball of mass xg is release from a height of 20m . Calculate the time taken to fall to the ground.
1. 1 answer
2. asked by Fine-girl
3. 366 views
ana is 5 times as old as beth and 2 2/3 times as old as cathy. What fraction of cathy's age is Beth's?
1. 1 answer
2. asked by kathleen catacutan
3. 547 views
A ball of mass xg is release from a height of 20m . Calculate the time taken to fall to the ground.
1. 2 answers
2. asked by Fine-girl
3. 380 views
A student initially at rest on a frictionless frozen pond throws a 1 kg hammer in one direction. After the throw the hammer
1. 1 answer
2. asked by Mae
3. 6,068 views
unscramble these letters uckpbsa
1. 1 answer
2. asked by g crowell
3. 376 views
Two nearby nodes of a standing wave are separated by 4.5 m. If the frequency of the wave is 184 Hz, what is the speed of the
1. 0 answers
2. asked by Anon
3. 840 views
A sample of gas at 80°C is cooled by 30 degrees until its final volume is 1.75 L. If the pressure remains constant, what was
1. 3 answers
2. asked by mary
3. 1,042 views

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