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Questions Asked on March 22, 2015

Which of the following acids is expected to be the strongest acid?CH2F-COOH CF3-COOH CH3-COOH CCl3-COOH CBr3-COOH i chose
1. 2 answers
2. asked by danny
3. 771 views
I'm adding these three atomic weights (40.1+12.0+48.0) together, and I got 100.1How can I round my answer to three significant
1. 2 answers
2. asked by ally
3. 523 views
1. what is the ordered pattern of rhymes at the ends of lines of a poem or a verse called?
1. 2 answers
2. asked by karen
3. 938 views
a car goes over a circular hill of 50m radius at a constant speed of 20m/sec . What is the force of the car on the 600N driver
1. 2 answers
2. asked by Anonymous
3. 607 views
in the poem "road not taken" what has worn the roads about the same?
1. 15 answers
2. asked by lulu
3. 799 views
A motor boat is traveling at a speed of 2.4 m/s shuts off its engine at t=0 . How far does it travel before coming to rest after
1. 0 answers
2. asked by rush
3. 747 views
The function h(t)= 2 + 50t - 1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a
1. 1 answer
2. asked by Rose
3. 410 views
for what value(s) of k does the equation kx - 10 - 5x^2 have:a) one real solution b) two distinct real solutions c) no real
1. 1 answer
2. asked by Eloise
3. 579 views
For what values of k does the line y= x + k pass through the circle defined by x^2 + y^2 = 25 at:a) 2 points b) 1 point c) 0
1. 2 answers
2. asked by Elenor
3. 461 views
So...the question is that a coil spring has a force constant of k = 4.0 lb/in. When the spring's axis is inclined at an angle 30
1. 0 answers
2. asked by Nora
3. 875 views
a 2.00 kg object has a velocity of 4.00i -3.00j m/s.What is the kinetic energy at this moment? What is the net work done on the
1. 1 answer
2. asked by Anonymous
3. 886 views
A motor boat is traveling at a speed of 2.4 m/s shuts off its engine at t=0. How far does it travel before coming to a rest if
1. 0 answers
2. asked by Anonymous
3. 789 views
A 300 mL solution of 0.0500 M HCl is titrated with 1.00 M KOH. How many mL of the KOH solution will be needed to reach the
1. 2 answers
2. asked by danny
3. 618 views
Read the exchange between Romeo and Nurse in Act II, scene iv of Romeo and Juliet.Romeo: Bid her devise Some means to come to
1. 4 answers
2. asked by Danny G
3. 1,537 views
the forth term of an A.P is 11 and the sixth term is 17 find the tenth term?
1. 2 answers
2. asked by cabdiqaadir
3. 1,563 views
For in text-citation with no author is this the right way to do this. I look it up Purdue Owl (“Pizza”).
1. 9 answers
2. asked by m
3. 428 views
suppose that a tumor on a person's body is spherical in shape. if the radius of the tumor is 0.5cm the radius is increasing at
1. 2 answers
2. asked by Jam
3. 6,277 views
5.At 3:15 one afternoon, the temperature over the land reaches its highest value for the day — about 89°F. The temperature
1. 3 answers
2. asked by Angelina
3. 1,042 views
Find a quadratic model for the set of values: (-2,-20), (0,-4), (4,-20). Show your work.y = -3x^2 - 4x + 3
1. 1 answer
2. asked by Johnthyn
3. 672 views
The equilibrium constant, Kc, for the following reaction is 1.54E-2 at 643 K.2HI(g) H2(g) + I2(g) When a sufficiently large
1. 1 answer
2. asked by Mariah
3. 703 views
Rewrite each quadratic equation in the form ax^2+bx+c=0. Then,use technology to solve each by graphing. ROund you answers to the
1. 3 answers
2. asked by Lucina
3. 1,564 views
Who is generally given credit for introducing fundamental human rights into the American political system?A) Thomas Hobbes B)
1. 1 answer
2. asked by Danelle
3. 1,039 views
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost
1. 1 answer
2. asked by Christine
3. 786 views
The Ka of hypochlorous acid (HClO) is 3.00×10-8 at 25.0°C. Calculate the pH of a 0.0385 M hypochlorous acid solution.a.1.41
1. 1 answer
2. asked by danny
3. 960 views
Thomas Hobbes believes that most people in the state of nature would prefer:A) stay there because no one interferes with anyone
1. 1 answer
2. asked by Danelle
3. 601 views
3 times 2 and 2/5
1. 1 answer
2. asked by jeff
3. 335 views
If 350 grams of pure fe2o3 is used, how grams of can be produced? the reaction is: fe2+3c---2fe+3co
1. 1 answer
2. asked by wen
3. 514 views
What is the pH of 500 mL of water that had 0.00150 grams of NaOH added to it? The units are pH units with an error interval of
1. 3 answers
2. asked by danny
3. 461 views
All of the following acid-base pairs are examples of buffers EXCEPT: (Question from "Cracking the MCAT, 2010-2011 edition" by
1. 3 answers
2. asked by danny
3. 644 views
A rock is thrown directly upward from the edge of the roof of a building that is 35.3 meters tall. The rock misses the building
1. 2 answers
2. asked by Thomas
3. 1,826 views
A bag contains 7 red, 6 orange, and 9 green jellybeans. What is the probability of reaching into the bag and randomly
1. 0 answers
2. asked by Anonymous
3. 858 views
Explain the importance of accommodations to the tourism industry
1. 1 answer
2. asked by steve
3. 608 views
You need to determine the pKa of a weak, monoprotic acid. You add 0.500 moles of the acid to 1.00 L of water. The resulting pH
1. 1 answer
2. asked by danny
3. 657 views
The equilibrium constant, Kc, for the following reaction is 1.54E-2 at 643 K.2HI(g) H2(g) + I2(g) When a sufficiently large
1. 2 answers
2. asked by Mariah
3. 689 views
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K:PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium
1. 1 answer
2. asked by Kayla23
3. 2,296 views
A 130kg mail bag hangs by a vertical rope 3.9m long. A postal worker then displaces the bag to a position 2.2m sideways from its
1. 0 answers
2. asked by Kevin
3. 554 views
Hey, I'm struggling a bit with this thermal energy question:One major cost in the brewing history is the cost of energy used in
1. 1 answer
2. asked by Yana
3. 606 views
Evaluate¡Ì7x(¡Ìx - 7¡Ì7)Show you work.My answer x¡Ì7 ¨C 49 ¡Ìx
1. 0 answers
2. asked by Johnthyn
3. 338 views
The average swimming pool has a volume of about 28,000 gallons. Suppose a swimming pool was filled with pH 7.00 water. However,
1. 1 answer
2. asked by danny
3. 813 views
if someone withdrew $237 from savings account that totaled $3,000 what percent of money is left in the account?
1. 2 answers
2. asked by Slimjim
3. 742 views
in a game of billiard , a collision occurs between two marble balls of different mass. one ball 400g is initially at rest. After
1. 1 answer
2. asked by Zobia
3. 657 views
Two balls of equal mass (400g each) undergo a collision. One ball is initially stationary. After the collision, the velocities
1. 1 answer
2. asked by Zobia
3. 693 views
1.why is freshwater a limited resource?a)because most water on earth is in lakes** b)because most water on earth is in clouds
1. 7 answers
2. asked by HOMEWORK
3. 2,929 views
3) For each of the following characteristics, will the migration of the protein speed up, slow down, or remain unchanged if you
1. 0 answers
2. asked by Ryan
3. 509 views
What does b-mercaptoethanol do to secretory proteins?also...If you forgot to add b-mercaptoethanol to a secretory protein, would
1. 0 answers
2. asked by Ryan
3. 411 views
Can a pH be below 1?
1. 1 answer
2. asked by itskath
3. 291 views
I came up with some examples on my own, but I'm not sure if I'm heading in the correct direction.Any help would be great. Here
1. 3 answers
2. asked by Marina
3. 462 views
a 70 kg block rests on the earth's surface. How much energy is required to move the block very far from the earth, ending up at
1. 1 answer
2. asked by paul
3. 543 views
• In how many ways can a chairman, a vice chairman, a secretary, and a treasurer be selected from a committee of ten people?Is
1. 2 answers
2. asked by Dannie
3. 5,531 views
269 mL of a 0.2089 M sodium carbonate (Na2CO3) solution is prepared and labelled "Solution A".
1. 1 answer
2. asked by B
3. 423 views
tangent PT, QM = 12, M < P = 30°
1. 1 answer
2. asked by ray
3. 435 views
The frame of a picture is 30 cm by 36 cm outside. If the area of the picture (inner rectangle) is 480 square cm, what is the
1. 1 answer
2. asked by Yin
3. 527 views
gravel is being dumped from a conveyor belt at a rate of 15 ft^3/hr and its coarseness is such that it forms a pile in the shape
1. 4 answers
2. asked by Ryan kustin
3. 4,445 views
A boy can swim with a speed of 26metre per minute in still water. Be wants to swim across a 150metere wide river from point A to
1. 2 answers
2. asked by Ben
3. 646 views
Write a C++ program that will accept the marks in a test for a group of 25 students then calculate anddisplay the average mark
1. 1 answer
2. asked by jane
3. 685 views
Determine whether the following vector field is incompressible or irrotational at the point (0,1,2).Vector F =
1. 1 answer
2. asked by gourav
3. 506 views
Show that vector del(r^2) = 2vector r
1. 0 answers
2. asked by gourav
3. 378 views
Show that for any scaler field phi( x,y,z )Vector del×(vector del phi ) = vector 0
1. 0 answers
2. asked by gourav
3. 461 views
Determine the scale factors for an orthogonal coordinate system (s,t,v) whose coordinates are related to the Cartesian by the
1. 0 answers
2. asked by gourav
3. 463 views
A series circuit consist of a resister with R = 200ohm, an inductor with L = 1H, a capacitor with C = 0.002F, and a 12V
1. 0 answers
2. asked by gourav
3. 512 views
Solve the following ODE using the power series method(1-x^2)y"-2xy'+2y = 0
1. 1 answer
2. asked by gourav
3. 488 views
Show that: (I) u = e^xsiny is a solution of Laplace's equation.(ii) u = x^2+t^2 is a solution of the wave equation.
1. 0 answers
2. asked by gourav
3. 656 views
Obtain all the first and second order partial derivatives of the function:f( x, y ) = In(I+xy^2)
1. 1 answer
2. asked by gourav
3. 503 views
a. Steam at 230oC flows through a steel pipe (� = 15��/�.) whose inner and outer diameters are 9 cm and 10 cm, respectively in
1. 0 answers
2. asked by Anonymous
3. 736 views
Four kinds of fraud that students who receive and repay nsfas should guard against
1. 3 answers
2. asked by Thabang
3. 1,488 views
Explain clearly,the similarities and differences between funza lushaka and nsfas (8)
1. 3 answers
2. asked by Thabang
3. 1,638 views
What is difference between cohessive and adhessive force
1. 0 answers
2. asked by rajeev
3. 390 views
When are the electric field lines are parallel to each other
1. 0 answers
2. asked by rajeev
3. 382 views
10 facts about sugar from Belize
1. 1 answer
2. asked by Daniel
3. 460 views
If a new breakthrough in manufacturing technology reduces the cost of producing cricket bats by half, what would happen to the
1. 0 answers
2. asked by Lim
3. 655 views
A dam has been constructed of a large cylindrical pipe 10ft in diameter and 3ft long. Calculate the net vertical and horizontal
1. 0 answers
2. asked by Kim
3. 529 views
A dam has been constructed of a large cylindrical pipe 10ft in diameter an 3ft long. Calcualte the net vertical and horizontal
1. 0 answers
2. asked by Kim
3. 465 views
For thermocouple,the value of C1 and C2 are 40.0×10^-6 v°/c and -0.01×10^-6 v°/c^2 respectively.If the thermo emf between
1. 0 answers
2. asked by gourav
3. 521 views
500g of copper is heated from 30 degree celcius to 120 degree celcius what is the quantity of heat supplied b.if the same
1. 1 answer
2. asked by sandra
3. 584 views
A little time-out for you so you can ponder the wisdom of NOT putting your subject in the subject box. Nonsense is not
1. 0 answers
2. asked by Writeacher
3. 435 views
How many milliliters of 0.258 M NiCl2 solution are needed to react completely with 20.0 mL of 0.153 M Na2CO3 solution? How many
1. 2 answers
2. asked by Stacie
3. 2,863 views
I must come up with an maths model to solve this... Sally is baking some biscuits for a party. It takes 5/6 of a cup of mixture
1. 2 answers
2. asked by Sarah
3. 428 views
A uniform solid sphere rolls down an incline.(a) What must be the incline angle if the linear acceleration of the center of the
1. 0 answers
2. asked by Uina
3. 1,043 views
Squares of side x units are cut of the corners of a square piece of cardboard of side 6 units. The sides are then folded to make
1. 1 answer
2. asked by Ntando Shongwe
3. 584 views
What is the linear speed of a child standing 0.4 m from the centre of a steadily rotating merry go around? It makes one complete
1. 0 answers
2. asked by Bollah-braz
3. 435 views
A circular plane lamina is immersed inclined in water such that the distance of its parimeter measured vertically below the
1. 0 answers
2. asked by kefilwe
3. 524 views
Consider sun as a black body whose interior consist of photons gas at T = 3×10^6k. Calculate the energy density of the solar
1. 0 answers
2. asked by gourav
3. 388 views
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge, as pictured. What is the
1. 1 answer
2. asked by Kelly
3. 998 views
what is (sqrt 2, -pi/4) in rectangular coordinates?what is (-sqrt 6, -sqrt 2) in polar coordinates?
1. 1 answer
2. asked by JGF
3. 1,132 views
algebraically identify the symmetries of r^2=4cos2theta
1. 0 answers
2. asked by JGF
3. 309 views
Let z1= 3-3sqrt 3i and z2= -11+i. write all answers in polar form with 0< theta< 2piA. what is z1 in polar form? B. what is z2
1. 0 answers
2. asked by JGF
3. 596 views
Suggest five practical actions that you can take to address human rights violations of xenophobia in your community
1. 7 answers
2. asked by Maungo
3. 998 views
compelling reasons for deeming your eligibility for financial support
1. 3 answers
2. asked by hlayisani
3. 693 views
ON a multiple choice question with 4 options, what are your chances of guessing correctly if you eliminate two answers?10% 25%
1. 1 answer
2. asked by Jae
3. 527 views
Kool Klothes has determined that the revenue function for selling x thousand pairs of shorts is R(x) = -5x^2 + 21x. The cost
1. 0 answers
2. asked by Krystal
3. 505 views
3 advatanges for a student to study at the institutions of higher education through NFSAS.
1. 2 answers
2. asked by Kate
3. 828 views
When developing strategies for writing, which of the following is not a good strategy?A. Use school support and guidance B. Rely
1. 2 answers
2. asked by Saddia
3. 498 views
Which of the following is not a way to succeed in college?A. Be flexible with planning activities B. avoid procrastination C.
1. 2 answers
2. asked by Saddia
3. 537 views
6. Two lighthouses A and B are 25km apart and A is due West of B. A submarine S ison a bearing of 1370 from A and on a bearing
1. 2 answers
2. asked by Choi
3. 1,677 views
What is the process of contributing a research paper to the MIT Sloan Sports Analytics Conference like, from initial submission
1. 1 answer
2. asked by JGF
3. 468 views
Which of the following correctly describes connotation?A. An implied meaning of word understood by language users B. The
1. 14 answers
2. asked by Saddia
3. 4,251 views
A solid of relative density 1.25 is found to weigh 12g in water find its weight in air
1. 0 answers
2. asked by mahak
3. 501 views
Three of the following statements about a verb are true. Which statement is false?A. A verb can express action. B. A verb can
1. 1 answer
2. asked by Saddia
3. 3,955 views
One troy ounce of gold is worth $380. There are 33.8 grams per troy ounce. You have a stock colloidal solution of a very fine
1. 1 answer
2. asked by Baylee
3. 753 views
I recently wrote a research proposal on teamwork and the only feedback given was to "focus on a specific aspect of teamwork".
1. 4 answers
2. asked by Nikki
3. 520 views

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