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Questions Asked on April 23, 2010

Am I right?Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical
1. 4 answers
2. asked by Help1001
3. 4,722 views
The following reaction is at equilibrium at a pressure of 1 atm, in a closed container.NaOH(s) + CO2(g) NaHCO3(s); ΔH°rxn < 0
1. 1 answer
2. asked by bme1
3. 2,892 views
An initial investment of $400,000 will produce an end of year cash flow of $480,000. What is the NPV of the project at a
1. 2 answers
2. asked by Karen
3. 2,852 views
1.which of the following is the most polar bond? explainn-f c-f h-f o-f 2. in the trigonal bipyramidal geometry, which position
1. 1 answer
2. asked by katherine
3. 2,826 views
Find the volume of the solid formed by rotating the region enclosed by x=0 x=1 y=0 y=4+x^4 about the x-axis. Please help.
1. 2 answers
2. asked by Anonymous
3. 2,469 views
the area of the parallelogram is 96 square miles. Find its base and height. if the base is x+5 and the height is x-5
1. 1 answer
2. asked by chris
3. 2,353 views
What is the energy of a photon that has the same wavelength as a 12-eV electron? (h = 6.63 × 10-34 J×s)
1. 2 answers
2. asked by cal
3. 2,022 views
2 grams of salt are dissolved in 20 grams of water. How much will the mixture weigh?
1. 3 answers
2. asked by Denise
3. 1,978 views
An ice cube at 0 degrees Celsius was dropped into 30.0g of water in a cup at 45 degrees Celsius. At the instant that all of the
1. 2 answers
2. asked by Help1001
3. 1,945 views
A 10,000 kg frieight car is rolling along a track at 3.0 m/s. Calculate the time needed for a force of 1000 N to stop the car.
1. 2 answers
2. asked by michaela
3. 1,894 views
a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the
1. 2 answers
2. asked by nabiha
3. 1,864 views
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her
1. 1 answer
2. asked by CJ
3. 1,824 views
How would you find the number of 'chalk molecules' it takes to write your name on the board? Explain what you would need to
1. 1 answer
2. asked by Cliff
3. 1,804 views
What is the product of 3y2 and 4y5?
1. 2 answers
2. asked by Maddie
3. 1,753 views
Evaluate the triple integral ∫∫∫_E (x)dVwhere E is the solid bounded by the paraboloid x=10y^2+10z^2 and x=10
1. 2 answers
2. asked by Salman
3. 1,674 views
Solve the quadratic equation.3x^2-15x+18=0 I know that the formula to quadratic equation is x=-b+and-(square root)b^2-4ac
1. 3 answers
2. asked by Lexie
3. 1,609 views
A telescope with a small circular aperture of diameter 2.0 centimeters.If two point sources of light are being imaged by this
1. 1 answer
2. asked by Robyn
3. 1,496 views
The following reaction is at equilibrium in a closed container.CuSO4.5H2O(s) CuSO4(s) + 5H2O(g) What actions, if any, will lead
1. 1 answer
2. asked by bme1
3. 1,319 views
Sulfuric acid reacts with hydrogen iodide to produce sulfur dioxide, iodine and water.a) write total ionic equation b)write net
1. 0 answers
2. asked by help!
3. 1,279 views
A 0.821 sample of a substance composed of diatomic molecules has a mass of 131.3g. Identify this molecule.May I have your expert
1. 3 answers
2. asked by Tom
3. 1,271 views
A 31.5 ml aliquot of H2SO4 of an unknown concentration was titration with 0.0134 M NaOH. write the balanced chemical reaction
1. 1 answer
2. asked by help please!
3. 1,263 views
Methanol is manufactured by the below catalyzed reation using ZnO/Chromate.CO + 2H2 --> CH3OH deltaH -91kJ Does the amount of
1. 3 answers
2. asked by Anna
3. 1,216 views
Wilfred OwenDulce Et Decorum Est Bent double, like old beggars under sacks, Knock-kneed, coughing like hags, we cursed through
1. 2 answers
2. asked by Sara
3. 1,210 views
At a party, there were 105 handshakes. If each person shook hands exactly once with every other person, how many people were at
1. 2 answers
2. asked by donna
3. 1,192 views
The masses of 4He, 6Li, and 10B are 4.0015, 6.0135, and 10.0102 amu respectively. The fission of a boron-10 nucleus into He-4
1. 3 answers
2. asked by hahaha
3. 1,165 views
I need help with assignment, could you please help me on this, I only have the bounty amount right now, until Thursday. thanks
1. 1 answer
2. asked by nrh
3. 1,142 views
The microscope has a converging lens (the eyepiece) with a focal length of 2.50 mounted on one end of a tube of adjustable
1. 2 answers
2. asked by Robyn
3. 1,113 views
Michael's BudgetMany people choose to invest some of their surplus income in municipal bonds. Investing in municipal bonds
1. 1 answer
2. asked by Peggy Thomas
3. 1,107 views
log2x=y in exponential form is xy=2 is this correct or could this be x^2=y
1. 1 answer
2. asked by John
3. 1,080 views
Select a business in your community and observe its internal control over cash receipts and cash payments. The business could be
1. 0 answers
2. asked by Mina
3. 1,078 views
Which of the following is correct when using an author’s name in your essay?use the author’s full name throughout the essay
1. 4 answers
2. asked by christopher
3. 1,075 views
Find equation of each line. write answer in slope intercept form.The line parallel to -3x+2y=9 and contains the point (-2, 1).
1. 0 answers
2. asked by BJ
3. 1,072 views
when 5.0 g of CaCl2 is dissolved in 50 g of water, how do you get the boiling temperature of 101.5 degree c
1. 0 answers
2. asked by emily
3. 1,072 views
Earth's moon is 3.8 X 10 8 m from the planet and is in freefall. Acceleration due to the Earth's gravity acting on the moon is
1. 1 answer
2. asked by Julie
3. 1,024 views
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her
1. 1 answer
2. asked by CJ
3. 982 views
Part 2: Now it’s time to make the guest list! Figure out how many guests you will have at your party, and how much it will
1. 0 answers
2. asked by corey
3. 980 views
Find the equation of the line that goes through the given point and has the given slope. Write the answer in slope- intercept
1. 0 answers
2. asked by BJ
3. 967 views
Sulfuric acid reacts with hydrogen iodide to produce sulfur dioxide, iodine and water.a) write total ionic equation b)write net
1. 1 answer
2. asked by help please!
3. 964 views
A standard 14.6-inch or .360 meter computer monitor is 1024 pixels wide and 768 pixels tall. Each pixel is a square
1. 0 answers
2. asked by Lanise
3. 951 views
Find the variation constant and write a formula that expresses the indicated variation.c varies inversely as d, and c=5 when d =
1. 0 answers
2. asked by BJ
3. 930 views
Writeacher, you are the only Jiskha tutor I see on here right now, which can help me with my English. Can you please have a look
1. 2 answers
2. asked by Sara
3. 930 views
Is the following grammar correct:The table with four chairs are discounted today.
1. 3 answers
2. asked by Sarah
3. 874 views
A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the
1. 0 answers
2. asked by caleb
3. 874 views
What are ethical dilemmas in medicare, medicaid, family planning, patient privacy, and privatilization?
1. 2 answers
2. asked by sally
3. 858 views
You are given the four points in the plane A(-3,6),B(0,-6),C(5,7),D(8/-7) . The graph of the function f(x) consists of the three
1. 0 answers
2. asked by Mattie Boren
3. 855 views
Why did Mao Zeodong led the cummunists to power in china
1. 0 answers
2. asked by richard
3. 854 views
An automobile tire at 22oC with an internal volume of 20.0L is filled with air to a total pressure of 30. psi(pounds per square
1. 0 answers
2. asked by josh
3. 852 views
Expand and simplify.12-2(3y-2)(3y+2)-(2y+5)(2y+5) Textbook Answer: -22y^2-20y-5 I don't know how to get that. Can someone show
1. 1 answer
2. asked by John
3. 850 views
1. Draw a random sample of size 12 from a Poisson Population with mean 4 and calculate the sample mean.
1. 3 answers
2. asked by satish
3. 829 views
How do you express in terms of angles less than 90 degrees?sin 120 degrees cos 150 degrees tan 280 degrees
1. 2 answers
2. asked by Wes
3. 806 views
Posted by rfvv on Thursday, April 22, 2010 at 10:41am.1. When is Chris's homework due? 2. When is Chris' homework due? (Which
1. 5 answers
2. asked by rfvv
3. 794 views
Need some help. have the A part of the question but do not know how to set B or C.Butadiene (C4H6) reacts with itself to form a
1. 1 answer
2. asked by Anna
3. 781 views
27x^2 + 72x/ 18x
1. 1 answer
2. asked by Gabriel
3. 779 views
2. The Hill-Burton Act:a. was a New Deal act providing health insurance to the poor. b. provided for state matching funds to
1. 1 answer
2. asked by Anonymous
3. 778 views
How many grams of KOH would be necessary to make 200 mL of a 0.15 M solution?
1. 1 answer
2. asked by debbie
3. 773 views
Hello!I'm just trying to get an understanding of the reputations of some of the fine post-secondary institutions in Canada. I
1. 4 answers
2. asked by Rachel
3. 756 views
joe thinks the perimeter of the figure is 15 units he is right is it reasonable that the completed figure is a pentagon? Why?
1. 2 answers
2. asked by corrie
3. 737 views
Is this a good research question? I have to come up with one and this is what I have.1. Does divorce cause drug abuse in
1. 2 answers
2. asked by Anna
3. 725 views
Write formula that expresses the relationship described by each statement. Use k for the constant in each case.m varies directly
1. 1 answer
2. asked by BJ
3. 723 views
If this "point" for a particular titration occurs at pH x, a good indicator for for the titration would be indicator.Note:
1. 2 answers
2. asked by help
3. 707 views
At a ski area in Vermont, the daytime high temperature is normally distributed duringJanuary, with a mean of 22°F and a
1. 3 answers
2. asked by Rose
3. 694 views
using only whole numbers how can you draw three rectangles with a perimeter of 12 units?
1. 3 answers
2. asked by corrie
3. 686 views
I am trying to figure out if I am doing this accounting problem correctly?Old van was purchased 5 years ago at 20,000. estimated
1. 1 answer
2. asked by smeffy
3. 681 views
what evidence supports the hypothesis that mitochondria preceded plastids in the evolution of eukaryotic cells?
1. 0 answers
2. asked by sheer
3. 672 views
Consider that you are having an informative discussion with yoir adolescent child about sex. your goal is to explain to your
1. 2 answers
2. asked by bettyboop
3. 660 views
Follow on the Sall Sue question earlier. What frequency would be required for sally and her cheerful and hard-wroking partner to
1. 0 answers
2. asked by CJ
3. 626 views
Calculate the Patm And the pressure exerted by water on the block- The area Of the upper face of block is 40 cm2 Calculate the
1. 0 answers
2. asked by Nana
3. 616 views
Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3.(A) Calculate the equilibrium concentrations of both gases
1. 0 answers
2. asked by Frank
3. 615 views
Express the following equation6x-8y=8(x-9)+12 in: 1. Slope intercept form 2. Standard form
1. 1 answer
2. asked by Gabriel
3. 613 views
Using statistics to help make business decisions enables executives toa.eliminate risks b. predict business cycle c.decrease
1. 1 answer
2. asked by Candace
3. 604 views
at the animal shelter , one third ofthe animals are dogs , 1/6 are cats,and 19 arethe other animals.how many animals are at the
1. 2 answers
2. asked by Destiny
3. 603 views
What conclusions can be drawn about the frequency of compounding interest? What conclusions can be drawn about the length of
1. 0 answers
2. asked by Jay
3. 596 views
A Canada goose floats with 26.1% of its volume below water. What is the average density of the goose
1. 1 answer
2. asked by Max
3. 596 views
Which of the following is the correct way to cite a scene from Hamlet?Hamlet I.iv.12-14 Hamlet I. 4.12-14 Hamlet 1.iv 12-14
1. 1 answer
2. asked by christopher
3. 592 views
How do you express in terms of angles less than 90 degrees?sin 120 degrees cos 150 degrees tan 280 degrees
1. 1 answer
2. asked by Wes
3. 586 views
a sipinner has equal sized sections.The sections are labelled 1 thoughtr 12. What is the probability that you will spinn a
1. 1 answer
2. asked by kiss
3. 585 views
A stock will provide a rate of return of either –20% or +28% .1. If both possibilities are equally likely, calculate the
1. 2 answers
2. asked by john
3. 582 views
A car starting from rest accelerates at 49m/s^2. How fast is it going when it has traveled 325 meters?
1. 1 answer
2. asked by bonnie
3. 580 views
I have a line equation whose slope is -2 and passes through(-1,6) I have a slope intercept form of y=-2x+4 is this correct or
1. 1 answer
2. asked by Jake
3. 576 views
A telescope has a magnification of 20 and consists of two converging lenses, the objective and the eyepiece, fixed at either end
1. 0 answers
2. asked by Lanise
3. 573 views
A 31.5 ml aliquot of H2SO4 of an unknown concentration was titration with 0.0134 M NaOH. write the balanced chemical reaction
1. 0 answers
2. asked by txqt320
3. 572 views
Using statistics to help make business decisions enables executives toa.eliminate risks b. predict business cycle c.decrease
1. 1 answer
2. asked by Candace
3. 566 views
1)Write the general equation used to determine the volume of stock required to make a given concentration of standard? Define
1. 0 answers
2. asked by josh
3. 565 views
Consider that you are having an informative discussion with your adolescent child about sex. Your goal is to explain to your
1. 2 answers
2. asked by bettyboop
3. 561 views
Which of the following is correct when analyzing a story?ignore internal inconsistencies resist the obvious meaning of the work
1. 4 answers
2. asked by christopher
3. 560 views
Now I have to name the compounds below. Please correct any of my mistakes. Thank you very much in return:-)1. ZrCl4 = Zirconium
1. 0 answers
2. asked by Sara
3. 553 views
Determine the volume (in mL) of a 0.184 M CaCl2 solution that would be required to obtain 73.4 g of CaCl2.
1. 1 answer
2. asked by jessica
3. 553 views
Soybean Meal Is 16% Protein; Cornmeal Is 8% Protein. How Many Pound Of Each Should Be Mixed Together In Order To Get 320 Lb.
1. 0 answers
2. asked by Rachel
3. 551 views
Before I email my resume can someone please review my response to these questions.Please submit your response to the following 5
1. 1 answer
2. asked by Bryan
3. 551 views
You ask a neighbor to water a sickly plant while you are on vacation. Without water the plant will die with probability 0.85.
1. 0 answers
2. asked by Michelle
3. 544 views
I am trying to write a narrative satire about how my mom always makes me do chores that I don't want to do because they don't
1. 0 answers
2. asked by sam
3. 540 views
Had the world gone along with Wilson’s plan to remove economic barriers between nations, what kind of place would the world
1. 1 answer
2. asked by Maggie
3. 540 views
Consider the infinite series of the form:(+/-)3(+/-)1(+/-)(1/3)(+/-)(1/9)(+/-)(1/27)(+/-)...(+/-)(1/3^n)(+/-)... (A) Find x and
1. 0 answers
2. asked by Megan
3. 540 views
Question 16Which verb tense should you use when writing about a fictional work? past future passive present
1. 1 answer
2. asked by christopher
3. 540 views
Which of the following is a pitfall that students often making when writing about literature?analyzing summarizing to support a
1. 2 answers
2. asked by christopher
3. 536 views
Does this sentence make sense for destitute:The poor children of the village were left in destitute. ? or ..left destitute
1. 2 answers
2. asked by y912f
3. 534 views
if a researcher were studying the effects of a teaching method on patient learning outcomes, how must he or she word the
1. 1 answer
2. asked by tasha
3. 524 views
You are given the four points in the plane A(-3,6),B(0,-6),C(5,7),D(8/-7) . The graph of the function f(x) consists of the three
1. 0 answers
2. asked by Mattie Boren
3. 523 views
Provide three examples of how the American History of African slavery influenced our contemporary society.
1. 1 answer
2. asked by tameka
3. 520 views
What is the difference of the words? How do you pronounce "can' and "can't"?1. I can do it. 2. I can't do it. (How do we
1. 2 answers
2. asked by rfvv
3. 517 views

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