Ross

Most popular questions and responses by Ross
  1. Life orietation

    Six suggestion on how to address the example of human rights violation

    asked on April 7, 2019
  2. Chemistry

    What volume of 0.109 M nitric acid is required to neutralise 2.50g barium hydroxide?

    asked on June 16, 2014
  3. Chemistry

    I wanted to now what is the molecular geometry of SeBr4, because I believe is a trigonal bipyramid...but I am not sure...please help me.... I thought it was a see-saw shape. See http://www.stolaf.edu/depts/chemistry/mo/struc/explore.htm You can see SeF4,

    asked on April 20, 2007
  4. chemistry

    For the titration of 20.0 mL of 0.1500 mol/L NH3(aq) with 0.1500 mol/L HI(aq)(the titrant), calculate a) the pH before any HI(aq) is added b) the pH at the equivalence point

    asked on April 6, 2008
  5. Biology

    1. A long-term relationship in which both species benefit is known as parasitism. * A. True B. False*** 2. The relationship of algae living in the fur of a 3-toed sloth and helping to camouflage the sloth, is called * A. symbiosis B. mutualism C.

    asked on November 6, 2017
  6. NSU

    The Omega pharmaceutical firm has five salespersons, whom the firm wants to assign to five sales regions. Given their various previous contacts, the salespersons are able to cover the regions in different amounts of time. The amount of time (days) required

    asked on August 26, 2010
  7. chemistry

    Calculate the solubility of calcium sulfate 0.010 mol/L calcium nitrate at SATP

    asked on April 7, 2008
  8. chemistry

    To clean a clogged drain, 26 g of sodium hydroxide is added to water to make 150 mL of solution. What are the pH and pOH values for the solution?

    asked on April 6, 2008
  9. chemistry

    Please calculate the pH and [H+] of a 0.30 mol/L solution of butanoic acid,. The Ka of butanoic acid is 1.52 x 10^-5

    asked on April 7, 2008
  10. 9th grade

    Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers

    asked on September 20, 2010
  11. Biochem

    You have prepared a 400 mL of a .210 M acetate buffer solution with a pH of 4.44. 1. Determine the concentration of both the acetate and acetic acid in the solution. 2. If you made this solution using solid sodium acetate (MW = 136 g/mol) and liquid acetic

    asked on September 24, 2013
  12. chemistry

    Strychnine, C21H22N2O2(aq) is a weak base but a powerful poison. Calculate the pH of a 0.001 mol/L solution of strychnine. The Kb of strychnine is 1.0 x 10^-6 My work: I called Strychnine SN SN + HOH --> SNH+ + OH- Kb = (SNH+)(OH-)/(SN) (SNH+) = x (OH-) =x

    asked on April 7, 2008
  13. chemistry

    In a titration, how many millilitres of 0.23 mol/L NaOH(aq) must be added to 11 mL of 0.18 mol/L HI(aq) to reach the equivalence point?

    asked on April 6, 2008
  14. Geometry

    How is constructing a perpendicular bisector similar to constructing an angle bisector? How is it different?

    asked on October 31, 2017
  15. physics

    a modified U-tube: the right arm is shorter than the left arm. The open end of the right arm is height d = 10.0 cm above the laboratory bench. The radius throughout the tube is 1.60 cm. Water is gradually poured into the open end of the left arm until the

    asked on November 4, 2010
  16. Probability

    A number cube, numbered 1 through 6, is rolled once. What is the probability of rolling an even number that is not prime? 1/6 1/3 1/2 2/3

    asked on July 22, 2010
  17. poem

    i read this book named abduction and my home work is to write a poem about it but the problem is i don't know how to write poem ?

    asked on April 10, 2011
  18. chemistry

    Strychnine, C21H22N2O2(aq) is a weak base but a powerful poison. Calculate the pH of a 0.001 mol/L solution of strychnine. The Kb of strychnine is 1.0 x 10^-6 My work: I called Strychnine SN SN + HOH --> SNH+ + OH- Kb = (SNH+)(OH-)/(SN) (SNH+) = x (OH-) =x

    asked on April 7, 2008
  19. Physics

    The drawing shows a skateboarder moving at 5.71 m/s along a horizontal section of a track that is slanted upward by 49.8 ° above the horizontal at its end, which is 0.516 m above the ground. When she leaves the track, she follows the characteristic path

    asked on October 16, 2014
  20. Physics

    a modified U-tube: the right arm is shorter than the left arm. The open end of the right arm is height d = 10.0 cm above the laboratory bench. The radius throughout the tube is 1.60 cm. Water is gradually poured into the open end of the left arm until the

    asked on November 4, 2010
  21. math

    It takes 28 minutes for a certain bacteria population to double. If there are 4,241,763 bacteria in this population at 1:00 p.m., which of the following is closest to the number of bacteria in millions at 4:30 pm on the same day?

    asked on September 9, 2010
  22. science

    Which would be most appropriate to measure the mass of my pet panda in? a. kilograms b. centigrams c. Gigagrams d. milligrams its kilograms??????

    asked on September 20, 2010
  23. 3rd grade

    how do I write the time in three different ways for 3:50

    asked on December 2, 2008
  24. math

    a ball tossed to a height of 4 meters rebounds 40% of its previous height. the total distance travelled by the ball by the time it comes to rest is?

    asked on March 10, 2013
  25. algebra

    Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

    asked on March 23, 2010
  26. MATH

    I THINK a. 4,000 is the answer am I right

    asked on October 3, 2009
  27. Math Quotations place value

    Good evening, I am not sure if Ross wrote the questions for homework correctly however, I am a little confused as to the difference in hundreds place value vs. hundreths place value is there such a place value as HUNDRETHS? Would HUNDRETHS APPLY TO DECIMAL

    asked on September 10, 2009
  28. 3rd grade

    Good evening ~ I have 2 questions. Kelsey was assigned math homework. He was given 8 word problems to solve. He estimated that it would take him 5 mins. to solve each problem (THAT WOULD TAKE 40 MINS. FOR KELSEY TO COMPLETE HIS MATH HOMEWORK) ? HOW TO

    asked on December 4, 2008
  29. algebra 2

    what is 7 1/5 written in radical notation

    asked on May 19, 2014
  30. Math

    the larger of the two numbers is 8 more than twice the smaller. The sum of the numbers is 10 less than three time the larger. Find the numbers

    asked on March 28, 2013
  31. maths

    solve 4x/3x+1 = 3?x+5

    asked on January 18, 2012
  32. math

    Simplify the expression. 17 – 6 × 10 ¸ 2 + 12 a. 67 b. 59 c. –1 my answer -1 ?????

    asked on September 20, 2010
  33. science

    Evaluate the following expression when r = 2 and t = 5. (2r)t - 2 a. 1022 b. 16 c. 64 d. 62

    asked on September 12, 2010
  34. 10th grade

    A computer manufacturer assembled 21,000 computers in October. For the month of November, they expect to double production. If a worker can assemble one computer per day, how many workers will be needed to complete the job in 28 days? a. 1,500 workers b.

    asked on September 9, 2010
  35. Algebra

    Please help me I have been trying to get the answer and for some reason is not coming up correct can someone please help. evaluate the polynomial for x=1 3x^2-4x+6

    asked on April 15, 2010
  36. 4th grade

    how would i put these words in sentences:(PLEASE HELP ME) THANK YOU! l. general 2. inaccurate 3. interpret 4. evidence 5. demonstrate 6. relevant I start my tutoring classes in two weeks. I have been reading much more which should help me.

    asked on October 18, 2009
  37. math

    math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

    asked on October 3, 2009
  38. MATH

    I DESPERATELY NEED TO KNOW HOW TO READ A PLACE VALUE CHART DEALING WITH DECIMALS IF ANYONE CAN GIVE ME AN EXAMPLE??

    asked on September 14, 2009
  39. Nature

    I am researching about why water is blue. I am wondering why is the water in the Caribbean bluer that that of the North Atlantic? Thank you for using the Jiskha Homework Help Forum. This is an interesting question and here are some sites to explain it:

    asked on February 28, 2007
  40. Physics

    Hello, I really don't get something about work and I would like that someone help me, Please. .. Well I have an exercise about two objects that are connected by an ideal rope that pass through a pulley that has a moment of inertia, so my problem is: when I

    asked on December 24, 2016
  41. science

    what type of a drink did not floated or sank?

    asked on September 22, 2012
  42. math

    7. A bag contains 2 red cubes, 3 blue cubes, and 5 green cubes. If a cube is removed and replaced in the bag and another is drawn, what is the probability that both are green? 1/4 3/8 2/5 1/2

    asked on July 22, 2010
  43. Geometry

    Planes A and B are both perpendicular to line M. What is the relationship between planes A and B?

    asked on April 12, 2010
  44. algebra

    Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets,

    asked on March 23, 2010
  45. MATH

    hello- The question is round to the digit underlined Add or subtract? 7 is the underlined digit. 7,526-3,861. a. 4,000 b. 5,000 c. 3,000 d. not given

    asked on October 3, 2009
  46. MATH

    Find the word form 0.007 a. seven hundredths b. seven tenths c. seven thousand d. not given I selected a. seven hundredths

    asked on October 3, 2009
  47. 4th grade-MATH

    Are there any websites that will help me with my division?

    asked on September 20, 2009
  48. MATH

    I DESPERATELY NEED TO KNOW HOW TO READ A PLACE VALUE CHART DEALING WITH DECIMALS IF ANYONE CAN GIVE ME AN EXAMPLE??

    asked on September 14, 2009
  49. math

    please, does anyone know of a site I can go to online to help my son with some simple practice division? THX!!!

    asked on May 4, 2009
  50. division

    how can I learn simple division

    asked on May 4, 2009
  51. RS

    How do Christians help others?

    asked on February 2, 2009
  52. Math

    What do we call the nunmbers that cannot be arranged ito 2-row arrays

    asked on September 6, 2008
  53. science

    what is meant by an animal or plant being in the same species

    asked on June 18, 2008
  54. chemistry

    Calculate the pH of the following aqueous solutions: 1.00 mol/L sulfuric acid H+ = 1.00 M for the first ionization THe second one is guided by K2 K2 = (H+)(HSO4-)/(HSO4-) Plugging in K2 as follows: H+ = 1.00 + x SO4- = x HSO4= 1.00 - x Can someone please

    asked on April 7, 2008
  55. Algebra

    3 x -x factor completely x to the third power -x

    asked on December 18, 2007
  56. English

    What is the theme of the Medusa myth?

    asked on November 6, 2007
  1. history

    @lavagirl thanks dawg but #3 is A. still got 80% 👌

    posted on May 16, 2019
  2. Math

    Thanks ms sue I got 100% Guys ms sue is right B C D C

    posted on March 22, 2019
  3. Social Studies

    My answer is a

    posted on March 7, 2019
  4. maths

    Please add some explanation to this.

    posted on November 5, 2018
  5. science

    idkkk

    posted on September 19, 2017
  6. science

    trovants

    posted on March 30, 2017
  7. math 214

    yes because they never touch

    posted on January 31, 2017
  8. math

    15*w+1.5(15)*y 15w+22.5y Week=7 days. 7(15w+22.5y) 105y+157.5y hours

    posted on December 14, 2015
  9. math

    Insert parentheses to make statement true 6+7x4-2=26

    posted on September 2, 2015
  10. math

    n=12 n+11=48

    posted on March 15, 2015
  11. Chemistry

    Where do you substitute Kc into the expression?

    posted on April 12, 2014
  12. physics

    An object is dropped onto the moon (gm = 5 ft/s2). How long does it take to fall from an elevation of 250 ft.?

    posted on February 22, 2012
  13. Year 12 can't do year 7 simple math-help

    i cant tell the difference .... i cant even do it and im in year 12

    posted on March 28, 2011
  14. Math

    Wpw, way to post Ross problems on here.

    posted on March 25, 2011
  15. math

    p = 160/21~7.62

    posted on November 4, 2010
  16. science

    Evaluate the following expression when r = 2 and t = 5. (2r)^t - 2 a. 1022 b. 16 c. 64 d. 62

    posted on September 12, 2010
  17. business

    would like to see an example of what the plan should look like to get me started.

    posted on September 10, 2010
  18. 10th grade

    1,500 workers

    posted on September 9, 2010
  19. Probability

    Help please

    posted on July 22, 2010
  20. math

    Please tell me if this is correct 1/2

    posted on July 22, 2010
  21. math

    Please tell me if this is correct 7/20

    posted on July 22, 2010
  22. Probability

    1/2 Please tell me if this is correct

    posted on July 22, 2010
  23. Probability

    1/16 Please tell me if this is correct

    posted on July 22, 2010
  24. Algebra

    that will be 5 so you are saying that my answer is 5? I though that because it was positive my answers was going to be differents. For example I had x=-1 4x^3+8x-3x-2 and after doing all the problems my answer was 13, but the x was a negative one that was

    posted on April 15, 2010
  25. physics

    The way I solved the first part of the question was: Vo=? d=7.18 m Vf = 7.80m/s a = 9.81m/s^2 So find the initial Vo velocity using: Vf^2 - Vo^2 = 2ad Then once you get Vo, use the same equation to find the d, when Vf = 0, that's when the height is

    posted on April 12, 2010
  26. MATH

    I THINK a. 4,000 is the answer am I right

    posted on October 3, 2009
  27. math

    thanks much!!!!

    posted on May 4, 2009
  28. 3rd grade

    Just would like to know if you have any suggestions on how I would help my son tell time better. He really struggles with this. Thankks!

    posted on December 2, 2008
  29. 3rd grade

    thank you thank you thank you!!!

    posted on December 2, 2008
  30. making dot arrays

    odd numbers

    posted on September 6, 2008
  31. chemistry

    I am still getting the wrong answer. YOu are positive this is the answer? Perhaps my computer system is wrong?

    posted on April 7, 2008
  32. chemistry

    0.003898-- this is H+? Ka = ( )(0.00398)/( ) What would be the concentration of C6H5COO- ?

    posted on April 7, 2008
  33. chemistry

    Wow , thanks you are a really excellent expert! :)

    posted on April 7, 2008
  34. chemistry

    Thank you! I still have to read over it but for now I beleive I got the jist of it

    posted on April 6, 2008