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2012
July

Questions Asked on July 9, 2012

Strong base is dissolved in 665 mL of 0.400 M weak acid (Ka = 3.69 × 10-5) to make a buffer with a pH of 3.94. Assume that the
1. 2 answers
2. asked by craig
3. 9,293 views
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The
1. 1 answer
2. asked by quinn
3. 6,266 views
Consider the reaction:I2(g) + Cl2(g) 2 ICl(g) Kp = 81.9 at 25°C Calculate ΔGrxn for the reaction at 25°C under each of the
1. 4 answers
2. asked by Anonymous
3. 4,866 views
An architect plans to draw a rectangular patio with segment LM representing one side of the rectangle. He wants to construct a
1. 4 answers
2. asked by Anonymous
3. 4,361 views
What is the minimal sample size needed for a 99% confidence interval to have a maximal margin of error of 0.06 if there is no
1. 2 answers
2. asked by Lynn
3. 3,464 views
I have 200 canadian dollars and exchange them for 1/5 fewer us dollars. After spending 3/4 of my us dollars how much do I have
1. 1 answer
2. asked by robbin
3. 3,160 views
You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14
1. 2 answers
2. asked by James
3. 2,940 views
write in algebraic expressions: a number x increased by three times y
1. 2 answers
2. asked by maria
3. 2,747 views
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the
1. 1 answer
2. asked by Anonymous
3. 2,474 views
A class consists of 23 women and 83 men. If a student is randomly selected, what is theprobability that the student is a woman?
1. 2 answers
2. asked by massie
3. 2,333 views
Could you check if everything is correct, Writeacher?1) My husband and I would like to spend the period from August ... to
1. 2 answers
2. asked by John
3. 2,132 views
Calculate the solubility (in grams per 1.00 102 mL of solution) of magnesium hydroxide in a solution buffered at pH = 9. Enter
1. 3 answers
2. asked by Anonymous
3. 1,923 views
Find the balance in an account that has $700 invested at 5.5% for 4 years compounded semi-annually.
1. 1 answer
2. asked by dylan
3. 1,888 views
In a study of children with a particular disorder, parents were asked to rate their child on a variety of items related to how
1. 1 answer
2. asked by James
3. 1,701 views
On 2 investments totaling 15,00, peter lost 2% on one and earned 8% on the other. If his annual receipts were $204, how much was
1. 1 answer
2. asked by Daniel
3. 1,645 views
The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books
1. 3 answers
2. asked by vane
3. 1,631 views
How would I find the limiting reagent in the chemical equation...CuSO4*5H2O+2K2C2O4*H2O-->K2[Cu(C2O4)2]*2H2O+K2SO4+5H2OI got
1. 1 answer
2. asked by Zachary
3. 1,591 views
What are the odds in favor of spinning a D on this spinner?
1. 1 answer
2. asked by massie
3. 1,472 views
Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve
1. 1 answer
2. asked by Cory
3. 1,369 views
You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
1. 1 answer
2. asked by Patty S
3. 1,359 views
a credit union pays 8 percent per annum compound interest on all fixed deposits. a consumer deposited $24000 in an account.
1. 1 answer
2. asked by INDIANA
3. 1,268 views
Calculate the value of Kc for4NH3(g) + 3O2(g)= 2N2(g) + 6H2O(l)
1. 1 answer
2. asked by mohamed
3. 1,252 views
the sum of one fifth of an integer and one tenth of that integer is at most 20. find the greatest possible integer.
1. 2 answers
2. asked by meep
3. 1,240 views
A 0.3 kg ball strikes a wall head on and then rebounds straight back. The initial speed was 10.0 m/s and the speed after it
1. 1 answer
2. asked by M
3. 1,167 views
A 4kg box is compress 50 cm on a spring (k=100 N/m) and then slides across a horizontal floor. If (u=0.4) between the box and
1. 1 answer
2. asked by Christine
3. 1,143 views
How do you reference Microsoft clip art on a reference page? The preview of the pictures give limited information.
1. 0 answers
2. asked by Chaseone
3. 1,107 views
A point charge of 2.0 µC is at the center of a cubical Gaussian surface 60 cm on edge. What is the net electric flux through
1. 1 answer
2. asked by Stephanie23-7
3. 1,106 views
1.75 x 10^25 selenium atoms contains how many moles of selenium?
1. 3 answers
2. asked by Lu
3. 1,097 views
A hollow sphere of radius 25 cm is rotating at 13 rad/ sec about an axis that passes through its center. The mass of the sphere
1. 2 answers
2. asked by hayley
3. 1,094 views
A 95 confidence interval for the proportion of men that have ever dozed off while driving is 007 to 0.14. For women, a 95%
1. 0 answers
2. asked by Sheri
3. 1,073 views
calculate the equilibrium constants at 25°C for each reaction. ΔGf° for BrCl(g) is −1.0 kJ/molBr2(g) + Cl2(g) 2 BrCl(g)
1. 1 answer
2. asked by Anonymous
3. 1,050 views
What are your thoughts about overthinking and under thinking?
1. 2 answers
2. asked by Tony
3. 1,045 views
give the balanced equation for oxidation of iron(II)ion by permanganate and find how many millimoles of permanganate ion react
1. 1 answer
2. asked by Anonymous
3. 1,024 views
A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 10-9 C is acted
1. 0 answers
2. asked by Stephanie22-41
3. 975 views
A line passes through the points whose coordinates are (c,3c) and (2c,5c).Assuming that c is not 0 find the slope of the lineA-2
1. 2 answers
2. asked by RICARDO
3. 952 views
Are you annoyed with spam e-mail? Suppose a random sample of 200 Kent State students was asked this question of which 80% said
1. 0 answers
2. asked by Sheri
3. 940 views
A child is brought to the speech therapist because she does not pronounce high-pitched sounds (like "s"). Name the sensory organ
1. 1 answer
2. asked by Alison
3. 928 views
The following information is available to you: travelers' checks = $1million; coin and paper currency = $30 million; repurchase
1. 0 answers
2. asked by Frances Collins
3. 916 views
two spheres carrying charge q are hanging from a same point of suspension with the help of threads of length 1 m in a space free
1. 1 answer
2. asked by Juli
3. 915 views
The vase company designs a new vase that is shaped like a cylinder on bottom and a cone on top. The catalog states that the
1. 1 answer
2. asked by Gabi
3. 894 views
In the balanced equation for the combustion of 2,2,4-trimethyloctane (C11H24), the coefficient of the organic compound is...the
1. 3 answers
2. asked by Anonymous
3. 892 views
Construct a truth table for (qvp)__> ~q
1. 2 answers
2. asked by angela
3. 873 views
what are the goals of psychometric testing are:
1. 1 answer
2. asked by maxine
3. 857 views
The rectangular floor of ashed has a length 4 feet longer than its width, and its area is 140 square feet. Let x be the width of
1. 1 answer
2. asked by bulatsu
3. 837 views
You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14
1. 1 answer
2. asked by James
3. 825 views
Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq)
1. 1 answer
2. asked by rachel
3. 821 views
You have the following data: A plane flying at its maximum speed can go 190 miles per hour with a tailwind or 150 miles per hour
1. 1 answer
2. asked by darlene
3. 816 views
A uniformly charged conducting sphere of 1.3 m diameter has a surface charge density of 8.7 µC/m2. (a) Find the net charge in
1. 2 answers
2. asked by Stephanie23-17
3. 811 views
Two particles are fixed to an x axis: particle 1 of charge q1 = 2.22 x 10-8 C at x = 15.6 cm and particle 2 of charge q2 =
1. 0 answers
2. asked by Stephanie22-11
3. 802 views
the perimeter of the school is 128m. it is 24m wide. how long is it.what is it's area
1. 4 answers
2. asked by rebecca
3. 774 views
A spaceship and its occupants have a total mass of 170000kg . The occupants would like to travel to a star that is 31
1. 2 answers
2. asked by Jordan Stark
3. 767 views
Why does Texas have so many special districts, and what are some of the problems associated with them?
1. 1 answer
2. asked by Danielle
3. 762 views
Match each item on the left with an item on the right.Question 1 options: philosophy calling for greater economic equality in
1. 4 answers
2. asked by Kiri
3. 757 views
Two particles are fixed to an x axis: particle 1 of charge -7.93 x 10-7 C is at the origin and particle 2 of charge +7.93 x 10-7
1. 0 answers
2. asked by Stephanie22-4
3. 737 views
An electron is released from rest at a perpendicular distance of 9.1 cm from a line of charge on a very long nonconducting rod.
1. 3 answers
2. asked by Stephanie23-22
3. 732 views
Given y=2-4cos(3x-pi/4), find each of the following, giving the general representation of the location of all minimums. Also
1. 0 answers
2. asked by Joe
3. 722 views
is the public vulnerable to exploitation by powerful groups owing to their monoploy over information and why is the public
1. 1 answer
2. asked by michelle
3. 705 views
y varies directly with x, and y = 2 when x = 5.What is the value of x when y = 15? A. x = 25 B. x = 10 C. x = 6 D. x = 37.5
1. 1 answer
2. asked by leo
3. 702 views
In Millikan's experiment, an oil drop of radius 1.75 ƒÊm and density 0.882 g/cm3 is suspended in chamber C (Fig. 22-14) when a
1. 1 answer
2. asked by Stephanie22-39
3. 672 views
How would you explain the relationship between clear writing and critical thinking? Can you think of times when your ability to
1. 2 answers
2. asked by April
3. 666 views
2/3w+2=5/3ww=
1. 1 answer
2. asked by sherri
3. 640 views
A RHOMBUS SHAPED SHEET WITH PERIMETER 40 CM. AND ONE DIAGONAL 12 CM., IS PAINTED ON BOTH SIDES AT THE RATE OF RS.5 PER METER
1. 2 answers
2. asked by manjeet
3. 638 views
5.82 g of CuNO3 is dissolved in water to make a 0.240 M solution. What is the volume of the solution?
1. 1 answer
2. asked by Anonymous
3. 629 views
A cylinder measures 6 ft tall and 3 ft wide. If those measurements are tripled, find the volume of the cylinder in cubic feet?
1. 1 answer
2. asked by Anonymous
3. 626 views
Maggie is getting ready for the one-mile race in June. The first day of practice she ran 1/3 of a mile; the second day she ran
1. 1 answer
2. asked by Anonymous
3. 617 views
the coordinating conjunctions that can be used to combine two complete sentences with a comma are for and nor because yet so is
1. 1 answer
2. asked by meca
3. 612 views
In an electric field, the lines on the left have twice the separation as those on the right. (a) If the magnitude of the field
1. 0 answers
2. asked by Stephanie22-2
3. 607 views
1. Who sent a postcard from Santorini?Judy did. 2. With whom is Judy traveling in Greece? He is traveling in Greece with Mom. 3.
1. 1 answer
2. asked by rfvv
3. 595 views
what is a limiting reagent of the reaction CuSO4 and Pb(NO3)2
1. 1 answer
2. asked by GSGS
3. 592 views
Hi! I just want you to check if my answers are correct.Factor the expressions: 1. 15a^2(b-2)^2 + 20a^3(b-2)^3 = my answer is
1. 2 answers
2. asked by Anonymous
3. 582 views
A sample of 200 students in a English class were asked- How long did you sleep last night?sample mean: 6.4 hours S.D. = 1.6
1. 1 answer
2. asked by Sheri
3. 581 views
Two balls are involved in a completely inelastic collision. The first ball has a mass of 0.25 kg and an initial velocity of 9.27
1. 1 answer
2. asked by M
3. 572 views
I have most of them done but would like to have these ones double checked... Please Help!!!12. Research and development costs
1. 1 answer
2. asked by sammie
3. 557 views
A dump truck can haul 16 loads of dirt in 4 hours. How long will the dump truck spend hauling 25 loads?
1. 2 answers
2. asked by Kami
3. 557 views
A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or
1. 0 answers
2. asked by Help Please
3. 554 views
A square surface measures 4.4 mm on each side. It is immersed in a uniform electric field with magnitude E = 2100 N/C and with
1. 0 answers
2. asked by Stephanie23-1
3. 552 views
Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by theunjust condition of human
1. 2 answers
2. asked by jen
3. 528 views
If I self-publish my books (stories I wrote)then later on about maybe a year later (just saying) I decide to show my work to the
1. 2 answers
2. asked by Laruen
3. 516 views
A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice
1. 2 answers
2. asked by Kayla
3. 516 views
Two objects A and B are involved in a totally elastic collision The mass of A is 8.8 kg and the mass of B is 0.5 kg. The
1. 4 answers
2. asked by M
3. 513 views
two charged particles are located on an x axis: -q = -4.80 × 10-19 C at x = -3.00 m and q = 4.80 × 10-19 C at x = 3.00 m. What
1. 0 answers
2. asked by Stephanie22-9
3. 506 views
e.g. You can stay with my mom.What is the meaning of the sentence above, #1 or #2? 1. You are allowed to stay with my mom. 2.
1. 1 answer
2. asked by rfvv
3. 503 views
How do you apply critical thinking to someone's else writing?
1. 1 answer
2. asked by Christian
3. 488 views
please helpfind the equation of the line with the given properties. write the equation in slope intercept form if possible 1.
1. 1 answer
2. asked by chchch
3. 488 views
One attribute that the Stanford-Binet,WAIS-III,and WISC-IV have in common is that they are all:
1. 2 answers
2. asked by Sandra
3. 481 views
Solve the differential equation below with initial conditions. Compute the first 6 coefficient. Find the general pattern.(1-x)y"
1. 0 answers
2. asked by Jason
3. 479 views
Our biological clocks make us feel most sleepy from?A. 9pm-5am B. 6pm-6am C. 10pm-4am D. 12am-7am
1. 5 answers
2. asked by NItra
3. 478 views
what are the results of renee baillargeon's sliding carrot research may suggest the object permanence
1. 1 answer
2. asked by sally
3. 477 views
I just need to know what formula I need to use to get started on this equation: A man that was shot out of a cannon and the mean
1. 0 answers
2. asked by DellaRae
3. 470 views
the larger of two numbers is 6 more than 4 times the smaller. if the smaller number is one-fifth of the larger, find both
1. 1 answer
2. asked by meep
3. 470 views
How has the two world wars, The Cold War and the Computer Revolution reduced the global economic clout of the Western European
1. 1 answer
2. asked by Ariel
3. 463 views
particle 1 of charge q1 = 5.80 pC and particle 2 of charge q2 = –6.90 pC are fixed at a distance d = 1.80 cm apart. In
1. 1 answer
2. asked by Stephanie22-87
3. 461 views
One of the disadvantage of using truth table is: it is difficult to keep the line straight, T;s are easy to confuse with F's .
1. 1 answer
2. asked by tina
3. 459 views
A 2kg block on a flat horizontal surface is pulled with a force of 15 N directed 10 degrees above the horizontal. It is found to
1. 1 answer
2. asked by Joe Parterner
3. 451 views
A person hired a fire to build a CB radio tower. the firm charges 100 for labor for the first 10 feet. After that, the cost of
1. 1 answer
2. asked by Anonymous
3. 451 views
What are the critical numbers of the function: s(t)=3t^4+12t^3-6t^2
1. 1 answer
2. asked by Jasmine
3. 447 views
Which of the following quadratic equations have the solutions x = -3 and x = 5?A. -1/2(x+3)(x-5)=0 B. (x+3)(x-5)=0 C.
1. 0 answers
2. asked by Tifini
3. 446 views
a. xenologyb. morphology c. xenomorphology d.monumentology Which one of the above answers are the study of the form of body
1. 1 answer
2. asked by devon
3. 442 views
How did Alfred the Great secure his modern reputation as a state-builder?
1. 1 answer
2. asked by Alma Dean
3. 437 views
The entire class was in an uproar.The teaching assistant had proctored the exam while the professor was attending a
1. 2 answers
2. asked by Sandra
3. 436 views

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