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Questions Asked on March 22, 2014

Given these standard reduction potentials at 25oC:Cr3+ + e- -> Cr2+ (E1^o = -0.407V) Cr2+ + 2e- -> Cr(s) (E2^o = -0.913V)
1. 4 answers
2. asked by Bobz
3. 10,536 views
help with paper on basic transaction processing fr Richard Simmons
1. 1 answer
2. asked by Gail
3. 533 views
a layer of ice has an area of 35m2 and is 2.5cm thick and is -7.5'c. how much water (in kilograms) is needed to melt the ice?
1. 0 answers
2. asked by Walter
3. 490 views
Calculate the molar conc. Of ethanoate acid needed to prepare ethonoic buffer of ph 6.8 using 0.5 molar solution of sodium
1. 1 answer
2. asked by Anonymous
3. 441 views
A flow of blood directly from the right atrium to left atrium is a dangerous complication of certain heart abnormalities. It can
1. 1 answer
2. asked by Samarkand
3. 492 views
Consider two diffraction gratings. One grating has 3000 lines per cm, and the other one has 6000 lines per cm. Both gratings are
1. 3 answers
2. asked by Anonymous
3. 2,115 views
A single-slit diffraction pattern is formed on a distant screen. If the width of the single slit through which light passes is
1. 1 answer
2. asked by Anonymous
3. 942 views
A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to
1. 5 answers
2. asked by Anonymous
3. 2,554 views
In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What
1. 2 answers
2. asked by Anonymous
3. 1,668 views
If salesman earned a 6% commission on sales, and in one week he earned $300 in commissions, how much merchandise did he sell
1. 3 answers
2. asked by Rayne
3. 760 views
What is 66 2/3 of 39?
1. 2 answers
2. asked by Rayne
3. 307 views
A plane flying horizontally at 180 m/s drops a box just as it crosses a coastline. The box lands 3 kilometers from the coast.-
1. 2 answers
2. asked by LEZA91
3. 592 views
opinion polls find that 16 percent of americans adults claim that they never have time to relax. suppose you take a random
1. 1 answer
2. asked by kristina
3. 629 views
Write an equation to model the data.x: 0,1,2,3,4 y: 0,2.8,11.2,25.2,44.8 How do you do this?
1. 3 answers
2. asked by Anonymous
3. 632 views
"Did you read his analysis in Sparknotes?What have you found about him by reading this novel? " he tries to see the good in
1. 9 answers
2. asked by anonymous
3. 596 views
Suppose that Ramos contributes $6000/year into a traditional IRA earning interest at the rate of 2%/year compounded annually,
1. 1 answer
2. asked by Dee
3. 1,561 views
Why would you expect a plate to hold more excess charge on each of its conducting surfaces when the voltage difference between
1. 1 answer
2. asked by ggulnebe
3. 369 views
Complete and balance the equation for this reaction in basic solution? Redox reaction Cr is oxidized to CrO42– and Fe3 is
1. 2 answers
2. asked by Mia
3. 5,396 views
1.350g of insoluble carbonate, MCO3 was dissolved in 250cm^3 of a 0.203 mol/dm^3 HCL solution. The resulting solution was boiled
1. 1 answer
2. asked by Ellen Cameron
3. 841 views
solve the equation 5coshx + 3sinhx = 4
1. 3 answers
2. asked by Alice
3. 3,065 views
regular selling price of A is 100.promo price of A is 85. New special price offered for A is 75. What will be the discount % of
1. 1 answer
2. asked by Anonymous
3. 480 views
Flexion of the elbow and supination of the forearm occur about what axes respectively?
1. 0 answers
2. asked by Evelyn
3. 568 views
The decomposition of hydrogen iodide on a gold surface at 150 oCHI(g) ½ H2(g) + ½ I2(g) is zero order in HI. In one
1. 2 answers
2. asked by kait
3. 567 views
Doublets? Change one word to another word one letter at a time. Create linking words. DINNER serve COFFEE. Has anybody got a
1. 3 answers
2. asked by T J
3. 462 views
The decomposition of hydrogen iodide on a gold surface at 150 oCHI(g) ½ H2(g) + ½ I2(g) is zero order in HI with a rate
1. 1 answer
2. asked by kait
3. 543 views
The decomposition of hydrogen iodide on a gold surface at 150 oCHI(g) ½ H2(g) + ½ I2(g) is zero order in HI with a rate
1. 1 answer
2. asked by kait
3. 616 views
an extremely soluable salt is added to water, and all of it dissolves. is it at equilibrium? explin.
1. 4 answers
2. asked by Anonymous
3. 827 views
Solve the system using elimination.y = -x + 3 y = x^2 + 1
1. 1 answer
2. asked by Anonymous
3. 380 views
calculate the freezing point of an aqueous solution of 15.5 grams of glucose dissolved in 150 grams of water
1. 1 answer
2. asked by Sara
3. 1,375 views
an object being pulled to earth by gravity will have the force of air pushing back opposite directions
1. 0 answers
2. asked by james
3. 405 views
The number of visitors at a Web siteover several days is shown in the table at the right. What is an equation that models the
1. 3 answers
2. asked by Anonymous
3. 747 views
What is 9x²+3x-2=0
1. 1 answer
2. asked by y
3. 475 views
find y' and y” by implicit differentiation.2x^3 + 3y^3 = 8
1. 1 answer
2. asked by Tenshi
3. 466 views
The highest point in the scatter is the point for Illinois, at 1807. The two just below it, at 1778 and 1777, are for Minnesota
1. 4 answers
2. asked by keitanako
3. 586 views
what is the substance that melts at 10°C?
1. 0 answers
2. asked by lusika tangoi
3. 354 views
A 2400 kg car moving at 11 m/s crashes into a tree and stops in 0.26 s. calculate the force the seat belt exerts on passenger in
1. 1 answer
2. asked by Mohanad
3. 928 views
What percentage of all infertile American women are infertile because of tubal damage caused by untreated STD?
1. 1 answer
2. asked by Anonymous
3. 769 views
I have been assigned to write an how-to essay that consists of 3 paragraphs. Should I number each paragraph?
1. 1 answer
2. asked by Anonymous
3. 368 views
rewrite each sentence, adding commas where needed.which i was researching skateboards i found an interesting old newspaper
1. 1 answer
2. asked by james
3. 438 views
Which of the following statements is NOT true about gamete formation in mammals?a)In the female, the separation of cytoplasm is
1. 1 answer
2. asked by TEESHAN
3. 1,549 views
Nikki made 2 gallons of punch withfruit juice and ginger ale. The recipe requires 1 gallons of ginger ale. What percent of the
1. 5 answers
2. asked by May
3. 1,290 views
What is the minimum work needed to push a 1075 kg car 230 m up along a 17.5° incline?(a) Ignore friction. (b) Assume the
1. 1 answer
2. asked by Hope
3. 461 views
how many years does it take to finish the course sculpture at OCAD university??
1. 3 answers
2. asked by Annie
3. 1,020 views
Write an essay explaining why you think The Tragedy of Romeo and Juliet remains so popular. What is it about the characters of
1. 1 answer
2. asked by Talha
3. 786 views
Please explain how to do this problem. The answer says the answer is 2.43 inches, but I don't get it.A school wants to take out
1. 6 answers
2. asked by Anonymous
3. 964 views
An architect has allocated a rectangular space of 465ft^2 for square dining room and a 16ft wide kitchen. Find both the width of
1. 1 answer
2. asked by Pam
3. 599 views
The number of tickets sold each day for an upcoming performance of Handels Messiah is given by N(x)=-0.4x^2+11.2x+13, where x is
1. 1 answer
2. asked by Pam
3. 527 views
All of the following are assets exceptA. inventory. B. patents. C. cash. D. bank loans.
1. 2 answers
2. asked by Pirurris
3. 978 views
A 300 kg piano slides 4.4 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
1. 0 answers
2. asked by Hope
3. 616 views
A cylinder can held 105 Liters of milka) ignoring the thickness of the material calculate the volume of the cylinder in
1. 1 answer
2. asked by santoniann
3. 425 views
Simplify the expression, if possible. State the excluded values, if any.1. 5x - 5/ 10x^2 - 25x + 15 2. w^2 + 6w + 9/ 2w^2 - 18
1. 1 answer
2. asked by Student
3. 1,077 views
A solid block of mass m2 = 1.0 $kg$, at rest on a horizontal frictionless surface, is connected to a relaxed spring (with spring
1. 0 answers
2. asked by Tay
3. 1,089 views
Explain residence time in relationship to reservoirs and fluxes
1. 0 answers
2. asked by Anonymous
3. 454 views
Explain why residence time in the atmosphere for water is short but the flux in and out of the atmosphere is huge.
1. 0 answers
2. asked by Anonymous
3. 403 views
A 300 kg piano slides 4.4 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
1. 0 answers
2. asked by Hope
3. 806 views
How many moles of Ca(OH)2 are needed to produce 82.9g of Ca3(PO4)2?
1. 1 answer
2. asked by Anonymous
3. 386 views
A person has a choice while trying to move a crate across a horizontal pad of concrete: push it at a downward angle of 30
1. 2 answers
2. asked by santoki
3. 1,852 views
I need help with what is happening inside the mitochondria.may help me what's happening 0-50 secondes. h t t p: // w w w.y o u t
1. 1 answer
2. asked by jess
3. 457 views
How do you know 1 and 2/3 divided by 3 and 1/2 has to be less than 1/2, without calculating the quotient?Please explain :)
1. 1 answer
2. asked by Annette
3. 429 views
how did Epperson et al determine the validation of the MnSOST-R
1. 1 answer
2. asked by Anonymous
3. 369 views
Block A, with a mass of 50 kg, rests on a horizontal table top. The coefficient of static friction is 0.40. A horizontal string
1. 3 answers
2. asked by santoki
3. 1,681 views
Question as follows:If you combusted 23g of ethanol with an excess of oxygen how much heat would be released or absorbed? the
1. 1 answer
2. asked by Angely R.
3. 550 views
The Heisenberg Uncertainty Principle:A student is examining a bacterium under the microscope. The E. coli bacterial cell has a
1. 0 answers
2. asked by Anna
3. 734 views
Identify 3 study fields/paths in order of preference and provide two reasons for each choice
1. 3 answers
2. asked by cynthia
3. 426 views
A rancher wants to build a rectangular fence next to a river, using 100 yd of fencing. What dimensions of the rectangle will
1. 1 answer
2. asked by Anonymous
3. 1,420 views
Animal researchers refer to the process of filtering out sights, scents, and sounds that have little impact on survival asA.
1. 1 answer
2. asked by Kathy
3. 667 views
A ball is thrown vertically upward with an initial velocity of 135 feet per second, the ball’s height after t second is s(t) =
1. 1 answer
2. asked by Zack
3. 576 views
Jessica earns $53.35 in 5.5 hours. How much does Jessica earn in 1 hour?
1. 1 answer
2. asked by kathy
3. 381 views
4. The purpose of the investigation was to examine the effects of the Tweededgewise technique on mandibular growth and rotation.
1. 0 answers
2. asked by Daniya
3. 432 views
To test the results of a conventional versus a new approach to the teaching ofreading, 12 pupils were selected and matched
1. 0 answers
2. asked by Walid
3. 514 views
find exactly all the solutions in [0, 2pi) to 4 sin(x)cos(x) = 1
1. 3 answers
2. asked by hamal
3. 390 views
The manager of a bulk foods establishment sells a trail mix for $6 per pound and premium cashews for $13 per pound. The manager
1. 3 answers
2. asked by sandra
3. 1,908 views
An anchor weighing 110 lb in water is attached to a chain weighing 2 lb/ft in water. Find the work done to haul the anchor and
1. 0 answers
2. asked by j
3. 703 views
Find exactly all solutions in [0,2pi) to4sin(x)cos(x) = 1
1. 0 answers
2. asked by Hfx
3. 434 views
I'm writing about hearing a certain song can take you back to a moment in your past. I know that the 1st paragraph is thesis and
1. 1 answer
2. asked by Anonymous
3. 544 views
im in grade 10 and if i do the osslt literacy practice tests. will someone on here mark my writing tasks?i can mark the multiple
1. 3 answers
2. asked by ann
3. 565 views
Please !!!! What can i write a letter about my math best teacher ..???
1. 7 answers
2. asked by Iqbal
3. 473 views
You pull a sled across a horizontal frictionless patch of snow. If your pulling force is in the same direction as the sled's
1. 1 answer
2. asked by Marcus
3. 2,952 views
Consider a binomial experiment with 20 trials and a probability of 0.45 on a single trial.Use the normal distribution to find
1. 2 answers
2. asked by john
3. 613 views
Three identical uniform meter sticks are placed on the floor. The first stick lies along the y axis from y = 0.320 m to y = 1.32
1. 1 answer
2. asked by Sami
3. 3,481 views

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