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Questions Asked on March 30, 2013

What is the molar concentration of sodium ions in a 0.450 M Na3PO4 solution?
1. 4 answers
2. asked by max
3. 13,765 views
Which of the following reagents would oxidize Cr to Cr2 , but not Fe to Fe3 ?Ca Co Ca2+ Br2 Co2+ Br- Which of the following
1. 2 answers
2. asked by Anon
3. 7,911 views
Current is applied to an aqueous solution of calcium sulfide. Multiple choice help please??!What is produced at the cathode? A)
1. 4 answers
2. asked by Sam
3. 5,759 views
39% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask each to name their favvorite
1. 3 answers
2. asked by Mecca
3. 5,592 views
LP gas burns according to the exothermic reaction:C3H8(g) + 5 O2(g) right arrow 3 CO2(g) + 4 H2O(g) ΔHrxn° = −2044 kJ What
1. 1 answer
2. asked by Dr. Phil
3. 4,616 views
prove that : 3^-3 * 6^2 * root 98 / 5^2 * cube root 1/25 * 15^-4/3 *3^1/3 is equal to 28 root 2
1. 3 answers
2. asked by tuhituhi
3. 2,740 views
A farmer has 460 feet of fencing with which to enclose a rectangular grazing pen next to a barn. The farmer will use the barn as
1. 2 answers
2. asked by lori
3. 2,464 views
In how many ways can the letters of MAHABHARAT be arranged so thati) B n T are never together ii) M,A,T n H occurs at first four
1. 3 answers
2. asked by Anonymous
3. 2,450 views
1.Mexico's Central Plateau is an important region because (1 point) it is a mountainous region where few people live, but
1. 96 answers
2. asked by Anonymous
3. 2,257 views
Sondra receives an allowance of $10 per week, plus an additional $5 for each chore she completes. Which graph represents
1. 2 answers
2. asked by eloisa
3. 2,065 views
1.P(number < 2) (1 point) 1/6 2/6 4/6 3/6 2. P(number ≥ 3) (1 point) 4/6 1/6 2/6 5/6 3. P(complement of 4) (1 point) 1/6 5/6
1. 1 answer
2. asked by Delilah
3. 1,924 views
Two electronics technicians are discussing electronic components. Technician A says that electronic components are color-coded
1. 2 answers
2. asked by Shina
3. 1,678 views
A(4,7) and B(-3,2) are points on a coordinate plane.Find the coordinates of a point C on the x-axis such that AC=BC .
1. 2 answers
2. asked by Coordinate Geometry
3. 1,649 views
Three point charges are placed at the following points on the x- axis;+2uc at x=0,-3uc at x=40cm,-5uc at x=120cm.find the force
1. 1 answer
2. asked by Samson
3. 1,648 views
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction
1. 1 answer
2. asked by Sofia
3. 1,630 views
An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4
1. 8 answers
2. asked by elena
3. 1,596 views
NH4NO3(s) right arrow NH4+(aq) + NO3−(aq)In order to measure the enthalpy change for this reaction, 1.21 g of NH4NO3 is
1. 3 answers
2. asked by Philip Golden
3. 1,555 views
If Ksp for the dissolution of silver carbonate is 8.1x10-12, calculate the concentration of silver ions present in a saturated
1. 1 answer
2. asked by john
3. 1,529 views
1.Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a
1. 5 answers
2. asked by Delilah
3. 1,488 views
estimate of 6/10 + 7/12
1. 4 answers
2. asked by mia
3. 1,419 views
Amylase is secreted by your pancreas into your small intestine where amylase helps you digest the starches in your diet. Amylase
1. 7 answers
2. asked by qwerty
3. 1,371 views
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions..16M CH3NH3Cl
1. 1 answer
2. asked by Dillon
3. 1,367 views
Speech criticism is a simpler form of:A. speech evaluation. B. rhetorical criticism. C. panel judging. D. communication process.
1. 8 answers
2. asked by Amy
3. 1,341 views
identify and describe 3 environmental health hazards that cause ill health,crises,and disasters within your community or any
1. 26 answers
2. asked by nonceba
3. 1,330 views
A simple random sample size of n = 150 is obtained from a population whose size is N = 20,000 and whose population proportion
1. 0 answers
2. asked by jen
3. 1,276 views
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction
1. 2 answers
2. asked by Sofia
3. 1,247 views
lowest+freezing+point+of+Kbr+AlNO33+CH3COONa+NaNO2+MgCl2+of+same+molality
1. 1 answer
2. asked by deepak
3. 1,213 views
The line segment joining P(-6,7) and Q(5,-2) intersects the y-axis at the point R.Find the coordinates of R.
1. 2 answers
2. asked by Coordinate Geometry
3. 1,207 views
what is the answer of add 2/3 and the reciprocal of 4/5
1. 3 answers
2. asked by Harshal
3. 1,181 views
A current of 4.60 A is passed through a Pb(NO3)2 solution for 1.20 hours. How much lead is plated out of the solution?
1. 2 answers
2. asked by Anon
3. 1,102 views
The caber toss is a traditional Scottish sport that involves hurling a caber, which is essentially a large piece of a tree: a
1. 0 answers
2. asked by Devan
3. 1,072 views
Three point charges are located at the corners of an equilateral triangle as in the figure below. Find the magnitude and
1. 0 answers
2. asked by Yannic
3. 1,056 views
In a coordinate plane, the points (2,4) and (3,-1) are on a line.Which of the following must be true? 1. The line crosses the
1. 1 answer
2. asked by Eric
3. 1,052 views
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is
1. 0 answers
2. asked by Adam Walsh
3. 1,011 views
Critically discuss 5 ways in which lifestyle/behaviour substance of both legal and illegal drugs impact on the teenagers?
1. 3 answers
2. asked by Dineo
3. 985 views
A current of 5.61 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out
1. 1 answer
2. asked by Anon
3. 965 views
10.0 mL of a 0.300M NH3 solution is titrated with a 0.100M HCl solution. Calculate the pH after the following additions of HCl.0
1. 1 answer
2. asked by Raven
3. 939 views
Help will be appreciated.In a large department store, a shopper is standing on the "up" escalator, which is travelling at an
1. 1 answer
2. asked by G
3. 906 views
Design a class named Book that holds a stock number,author, title, price, and number of pages for a book. Include methods to set
1. 0 answers
2. asked by stephanie
3. 873 views
why is the head temperature kept below 90 c in the initial step of the dehydration reaction?
1. 2 answers
2. asked by sara
3. 868 views
A molecule of DNA (deoxyribonucleic acid) is 2.01 µm long. The ends of the molecule become singly ionized: negative on one end,
1. 0 answers
2. asked by Sam
3. 860 views
ABC is an acute triangle with ∠BCA=35∘. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If AO=AH, what
1. 2 answers
2. asked by stranger
3. 859 views
1.genetic _______ (1 point) 2. are formed by _________ (1 point) 3. can be changed by natural ___________ (1 point) 4. can be
1. 1 answer
2. asked by Naomi
3. 858 views
Calculate the cell potential for the following reaction as written at 59 ¡ãC, given that [Cr2+] = 0.763 M and [Sn2+] = 0.0170
1. 1 answer
2. asked by Anon
3. 802 views
Check the correct statements for the above reaction.Choose at least one answer. a. The reaction is exothermic. b. The reaction
1. 1 answer
2. asked by Anonymous
3. 785 views
11.Where is the District of Columbia located? (2 points) in Georgia in North Carolina between the states of Maryland and
1. 33 answers
2. asked by Anonymous
3. 784 views
the actual sales for the last four years have been 24 units,30units,23units and 27 units what is the average number of units you
1. 2 answers
2. asked by terra
3. 782 views
ABC is an acute triangle with \angle BCA = 35 ^\circ. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If
1. 0 answers
2. asked by rohit
3. 725 views
A type of selective listening that tunes out communication that is different from our views or does not interest us is
1. 1 answer
2. asked by Amy
3. 709 views
at what rate of interest compundedquaterly for 2.5 years will RS2500 amount to RS 3900
1. 0 answers
2. asked by raffatsaeed
3. 695 views
Explain the similarities and differences between corporate farms and mixed-crop farms. (5 points)
1. 27 answers
2. asked by Anonymous
3. 690 views
Need help on wrting a final paper on a combination of philosiphies, theories, and concepts and demostrate how they apply to the
1. 11 answers
2. asked by lakesha stallworth
3. 688 views
Make the number 500 by mathematically combining eight 4's. You may use addition, subtraction, multiplication and division. You
1. 1 answer
2. asked by Meg
3. 687 views
The load-bearing piston in a certain hydraulic system has an area 35 times as large as the input piston. If the larger piston
1. 1 answer
2. asked by Jordan
3. 687 views
Which of the following is a formula for finding the volume of a cube?A. v=e^3, where e= the edge length B. v=(lwh)^3, wherel=
1. 1 answer
2. asked by em
3. 678 views
Susan owns a chocolate store. She sells her chocolate by the gram and needs to compare the weights of two chocolate batches. She
1. 1 answer
2. asked by Caroline
3. 671 views
Need help with this question. Any help is appreciated.Heptane, C7H16, and octane, C8H18, form ideal solution. The solution boils
1. 0 answers
2. asked by GeeGee
3. 652 views
Ray wanted to put his tomato plants in rows with the same numbers of plants in each row. He knew that if he planted 5,6, or 7
1. 6 answers
2. asked by Anne
3. 639 views
I'd like to know about Red Nose Day in the UK.1. Do only British people have Red Nose Day? 2. Do all students go to school
1. 1 answer
2. asked by rfvv
3. 635 views
evaluate the expressions below and leave them in radical form.1. sin(pie symbol/6)csc(pie symbol/6) 2. sec(pie symbol/3)cos(pie
1. 1 answer
2. asked by ana
3. 635 views
Find the Qsp when 9 drops of 0.014 MNa2CO3(aq) are added to 25 mL of 0.003 M AgNO3(aq). The solubility product of Ag2CO3 is 6.2
1. 1 answer
2. asked by Alice
3. 634 views
Want to find if students who are musicians have higher Iq test scores than the general population. the researcher predicts that
1. 1 answer
2. asked by Laurie
3. 619 views
A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.)1
1. 1 answer
2. asked by Toni
3. 594 views
three times as many children as adults attended a concert on Saturday. an adults ticket cost $7 and a child's ticket cost $3.
1. 5 answers
2. asked by shohanur
3. 581 views
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is
1. 0 answers
2. asked by Adam Walsh
3. 575 views
prove that : 3^-3 * 6^2 * root 98 divided by 5 ^2 * cube root 1/25 * 15 ^-4/3 * 3^1/3 equals to 28 root 2
1. 1 answer
2. asked by tuhituhi
3. 569 views
After Iraq invaded Kuwait gasoline prices rose dramatically – up to 50%. These were many effects of the increased price of
1. 0 answers
2. asked by Isberner
3. 562 views
Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of
1. 0 answers
2. asked by rohit
3. 535 views
Tina solved for the decimal value 0f(3/5*18) and got an answer of 5.4. Four of her classmates argued that her answer was not
1. 3 answers
2. asked by Ellie
3. 525 views
What is the sum of all integer values of n satisfying 1≤n≤100, such that (n^2)−1 is a product of exactly two distinct
1. 0 answers
2. asked by Oian
3. 524 views
a friend has been taking over-the-counter vitamins and minerals because he heard that some of them can boost energy levels and
1. 1 answer
2. asked by Sha
3. 514 views
A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in
1. 1 answer
2. asked by lisa
3. 510 views
critically discuss 10 ways in which the environmental health hazard can impact negatively on one's health
1. 6 answers
2. asked by Mbalenhle
3. 498 views
Gertrude and Ernest received their typing results. The results are normal and are shown below.Types Of Errors per Page Gertude -
1. 1 answer
2. asked by Caroline
3. 495 views
A tin can is filled with water to a depth of 37 cm. A hole 11 cm above the bottom of the can produces a stream of water that is
1. 0 answers
2. asked by Adam Walsh
3. 493 views
A random variable X has a Gamma distribution with (alpha = a, beta = b). Show that P(X > 2ab) < (2/e)^a.hint: X > c is
1. 2 answers
2. asked by Allie
3. 478 views
53 baskets were scored at the game. Jimmy scored 5 less than Trent. Trent and Justin scored the same amount. Evan scored ten
1. 3 answers
2. asked by Olly
3. 461 views
A particle P of mass m kg is attached to two fixed points A and B by two identical model springs, each of stiffness k and
1. 1 answer
2. asked by Prissy
3. 460 views
I am trying to find a good topic question and hypothesis for addiction. In my class we were asked to pick any topic related to
1. 1 answer
2. asked by slomomo
3. 454 views
A current I=1A flows along a thin-walled cylinder of radius R=4cm. What pressure in Pascals do the walls of the cylinder
1. 0 answers
2. asked by rohit
3. 450 views
if the perimeter of rectangle is 50cm and its length is 5 cm greater than its breadth find its area please give answers with
1. 1 answer
2. asked by vaidehi
3. 447 views
Every point (x,y) on the curve y=log23x is transferred to a new point by the following translation (x′,y′)=(x+m,y+n), where
1. 0 answers
2. asked by Oian
3. 444 views
an attempt to minimize the problem of wage-rate compression, organizations may incorporate all of the following ideas except:Ans
1. 1 answer
2. asked by cynthia
3. 441 views
What pumps blood
1. 1 answer
2. asked by Catherine
3. 441 views
The graph of y=|2x+c| passes through the points (1,2) and (0,4) . Find the value of the constant c . Sketch the graph of
1. 1 answer
2. asked by Modulus Function
3. 441 views
How many cartons measuring 3 feet by 2 feet by 6 inches can be stored in a space that is 15 feet by 9 feet by 24 feet. Assume no
1. 1 answer
2. asked by Amy
3. 434 views
a bank gives away 1 out of 5 cards evry time a client deposits. there is an equal chance of getting one of the cards. predict
1. 0 answers
2. asked by Anonymous
3. 430 views
y' and y'' for x^2- xy + y^2 = 3y'= (y-2x)/(2y-x) y'' = [(y'-2)(2y-x)] - [(2yy' - x)(y- 2x)]/ ((2x-y)^2) final answer for second
1. 1 answer
2. asked by Iliana
3. 429 views
Matt ate a total of 100 raisins over a five day period. Each day he ate six more raisins than the previous day. How many did he
1. 1 answer
2. asked by Brittany
3. 428 views
Henrietta lives 8 7/10 miles from school. She lives 5 1/10 miles from the library. How much farther does Henrietta live from her
1. 1 answer
2. asked by cassie
3. 420 views
For a single-sample t-test the t(17) = 2.90, p<.02, how many were in the study?
1. 2 answers
2. asked by Laurie
3. 419 views
Sketch y=|(x-1)(x-3)| and y=|x^2-4x| .I don't know how to sketch the graphs :(
1. 2 answers
2. asked by Modulus Function
3. 408 views
Many scholars have set some standards to judge a system for taxation for its validity. How can you decide if a tax is good or
1. 1 answer
2. asked by CALI
3. 405 views
MoversA mover charges $500 for the first 100 miles plus $10 for each additional mile. If C represents the charge and M
1. 5 answers
2. asked by John
3. 401 views
Can you use the numbers 1 - 9, along with any math symbols and operations, to arrive at the answer of 100 when the 6 and 9 have
1. 0 answers
2. asked by Dawn
3. 395 views
1.Read these two short sentences: There was a blizzard. Nearly 20,000 homes in the metro area lost power. Choose the correct
1. 5 answers
2. asked by Anonymous
3. 390 views
A circle has a radius that increases at a rate of 10cm/s. Find the eaaquation of the outermost circle 6 seconds after it starts
1. 2 answers
2. asked by Amjs
3. 388 views
Q:Sabrina is making two bird feeders in the shape of right rectangular prisms. The smaller feeder has dimensions that are 1/4 of
1. 2 answers
2. asked by dingbat
3. 387 views
Using EquationsWord-process the following five equations: Using Drawing Tool
1. 1 answer
2. asked by Helen
3. 385 views
2.Use the following algebraic expressions for parts 4-6 of the discussion:a3 - b3 (a-b) (a2 +ab + b2) (b-c) ------ (2b-a)
1. 0 answers
2. asked by Priscillia
3. 383 views

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