Owen

Most popular questions and responses by Owen
  1. math

    I have ten,ones and tenths.My digits are next door numbers and they add up to 9. What number am I?

    asked on November 30, 2016
  2. physics

    two uniform cylinders have different masses and different rotational inertias.they simultaneously start from rest at top of an inclined plane and rool without sliding down the plane.the cylinder that gets to the bottom first is?

    asked on May 25, 2012
  3. Science

    A radioactive substance is found to register 1000 counts per second on a Geiger counter. Twenty-four hours later it registers 125 counts per second. What is its half-life?

    asked on December 5, 2012
  4. Physics

    the input and output of hydraulic jack are respectively 1 cm and 4 cm in diameter. A lever with a mechanical advantage of 6 is used to apply force to the input piston. How much mass can the jack lift if a force of 180 N is applied to the lever and

    asked on October 22, 2012
  5. CHEMISTRY !!! HELP !

    A 70.0 mL solution of 0.165 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.165 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. Calculate pH

    asked on September 26, 2015
  6. CHEMISTRY

    A 70.0 mL solution of 0.165 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.165 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. Calculate pH

    asked on September 27, 2015
  7. Chemistry ! Need help.

    A buffer prepared by dissolving oxalic acid dihydrate (H2C2O4·2H2O) and disodium oxalate (Na2C2O4) in 1.00 L of water has a pH of 5.007. How many grams of oxalic acid dihydrate (MW = 126.07 g/mol) and disodium oxalate (MW = 133.99 g/mol) were required to

    asked on September 20, 2015
  8. CHEMISTRY !!! HELP !

    Calculate the pH of the solution after the addition of the following amounts of 0.0617 M HNO3 to a 70.0 mL solution of 0.0750 M aziridine. The pKa of aziridinium is 8.04. 1)Volume of HNO3 equal to the equivalence point 2)89.5mL of HNO3 I got pH= 7.37 for 1

    asked on September 26, 2015
  9. computer literacy

    what is an application program included with Windows that allows the contents of the computer, the hierarchy of folders on the computer, and the files and folders in each folder to be viewed?

    asked on May 25, 2012
  10. CHEMISTRY !!!

    What is the pH of a 0.16M KHSO3 solution at 298 K? a. 4.41 b. 1.31 c. 7.00 d. 1.82 e. 3.89 I did the calculations and my answer came out to be 3.89 but apparently the answer is 4.41. Can anybody explain why ? Thnx in advance

    asked on October 3, 2015
  11. Maths

    5x+3y=4 3x+4y=9

    asked on March 7, 2019
  12. Physics

    A 6 uF capacitor is initially charged to 100V and then connected across a 600 ohm resistor. a) what is the initial charge on the capacitor?

    asked on March 3, 2013
  13. Maths

    5x+3y=4 3x+4y=9 Simultaneously

    asked on March 7, 2019
  14. physics

    for an object in equillibrium the net torque acting on it vanishes only if each torque is calculated about?

    asked on May 25, 2012
  15. Chemistry

    What physical properties, other than specific heat could you use to help you identify the sample(s) used in this experiment?

    asked on January 30, 2018
  16. Math

    Javier ate 1/5 ok bag of popcorn . She shared the rest with enrique. List three ways they could have shared the remaining popcorn

    asked on March 19, 2016
  17. math

    Larry and his sister, Betty, are saving money to buy their own laptop computers. Larry has $215 and can save $35 each week. Betty has $380 and can save $20 each week, When will Larry and Betty have the same amount of money?

    asked on October 24, 2016
  18. CHEMISTRY !!! HELP !

    500.0 mL of 0.120 M NaOH is added to 595 mL of 0.250 M weak acid (Ka = 2.95 × 10-5). What is the pH of the resulting buffer? The answer that i got using HH equation is 4.14 but apparently it's wrong. Am I approaching this problem from a different angle ?

    asked on September 24, 2015
  19. math

    3hr 10 min elapsed time

    asked on January 31, 2019
  20. Science

    If you place a grape in a large amount of sugar water, what will happen to it and why?

    asked on November 30, 2016
  21. math

    What is $1500 with 7% of tax?

    asked on October 14, 2010
  22. Chemistry Hess’s Law

    This is not going to be formatted we’ll because there is no subscript here. H2 + 1/2 O2 —> H2O -286kJ N2O5 + H2O —> 2HNO3 -77kJ 1/2N2 + 3/2 O2 + 1/2 H2 —> HNO3 -174kJ Calculate the *Delta* H for 2N2 + 5O2 —-> 2N2O5 I attempted this problem and

    asked on February 12, 2018
  23. Chemistry

    What is the maximum mass of copper(ii) sulphate pentahydrate, CuSO4.5H2O, which could be obtained by crystallizing the solution? Ar: H=1; O=16; S=32; Cu=63.5 I'm not looking for someone to do it all, although that would help. Just that someone could give

    asked on December 3, 2015
  24. math

    In order to estimate the height 'h' of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base of the tree.

    asked on February 12, 2015
  25. trig

    Two ships leave port at the same time and travel straight line distances, the first at 30 km/h and the second at 10 km/h. Two hours later they are 50 km apart. What is the angle between their courses?

    asked on January 24, 2016
  26. phsics

    A ball is rotating in a horizontal circle at the end of a string of length 3.8 m at an angular velocity of 8.5 rad/s. The string is gradually shortened to 3.3 m without any force being exerted in the direction of the ball’s motion. Find the new angular

    asked on November 19, 2014
  27. Social Studies

    Could someone give me a character sketch of James I???

    asked on December 7, 2016
  28. Science

    If a 20 gram sample of a radioactive substance has a half-life of 6000 years, how many grams would be present after 18000 years?

    asked on December 5, 2012
  29. geometry

    each leg of an octagon is 48" what is the diameter?

    asked on February 25, 2011
  30. Social Studies

    What group of people did the black plague benefit in england and the surrounding aread?

    asked on January 13, 2011
  31. US hISTORY

    What did Washington do with his slaves at the end of his presidency?

    asked on January 8, 2010
  32. Social Studies

    I am doing a character sketch of James I. Is this ok?? Intelligent man who always did the wrong thing. He did not make good impressions on people. His habits were that he was slovenly and he had a big tongue. He enjoyed angering the Puritans. He encouraged

    asked on December 7, 2016
  33. Physics

    An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

    asked on November 30, 2012
  34. math

    if you are playing a game to toss a ball in a basket through a target what is the probability that you will win?

    asked on October 23, 2012
  35. chemistry

    2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the

    asked on January 24, 2017
  36. CHEMISTRY

    You have 875 mL of an 0.53 M acetic acid solution. What volume (V) of 1.30 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.94? (The pKa of acetic acid is 4.76.)

    asked on September 27, 2015
  37. physics

    for a body to be in equillibrium under the combined action of several forces

    asked on May 25, 2012
  38. precalc

    solve. give the answers so that 0 ≤ x < 2π. 1) sin x + 4 = 5 csc x answer: π/2 2) 3 csc x + 15 = 0 answer: -.20 are my answers correct?

    asked on October 29, 2015
  39. precalc

    Solve. Give the answers in degrees so that 0° ≤ θ < 360°. 1) (5 cos θ - 1) / 2 = 1 answers: 53°, 127°, 233° 2) 3 cot (2θ) + 3 = 0 3) tan^2 θ + 2 sec^2 θ = 3 is my answer for #1 correct and i'm not sure how to do #2 and #3.

    asked on October 29, 2015
  40. CHEMISTRY !!! HELP !

    You have 875 mL of an 0.53 M acetic acid solution. What volume (V) of 1.30 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.94? (The pKa of acetic acid is 4.76.)

    asked on September 26, 2015
  41. physics

    the conditions that the net force and the net torque both vanish?

    asked on May 25, 2012
  42. math

    4 digit number. numeral in tens place 3 times the numeral in hundreds place. numeral in my ones place is 2 more than numeral in hundreds place. numeral in thousands place is 3 less than number in tens place. number in hundreds place is 3. what is number?

    asked on September 14, 2010
  43. Science

    Why is it that milk sours so fast. I had googled it and false imformation has came up. I have to write a 3 page essay about how certain things sour too quickly.

    asked on December 12, 2008
  44. Human Biology

    How can you identify a desert animal from an aquatic one by looking at the kidneys. I meant to put a question at the end. Morphological study of the desert heteromyid kidney with emphasis on the genus Perognathus. * Altschuler EM, * Nagle RB, * Braun EJ, *

    asked on December 12, 2006
  1. SS

    Guys ms. Sue is wrong It is b

    posted on March 28, 2019
  2. Math

    what is the greatest number and least number of 8000?

    posted on June 18, 2018
  3. Chemistry

    OP Here Edit: The experiment was to heat a certain metal in boiling water and take the temperature. Next we moved it into a makeshift calorimeter and found the specific heat of the metal. I ended up looking up the specific heat of the metal and I'm

    posted on January 30, 2018
  4. engineering

    300 N

    posted on January 24, 2018
  5. Science

    lemonade is a homogenous mixture

    posted on January 2, 2018
  6. Language

    Hey steve do you mind sharing the answers please

    posted on October 6, 2017
  7. Chemistry

    increases

    posted on October 5, 2017
  8. Math

    An expression is (195x) dollars. 1.the total cost (in dollars) of adopting one dog For other people looking for an answer. :)

    posted on December 15, 2016
  9. Math

    26!!!

    posted on December 8, 2016
  10. Social Studies

    thanks

    posted on December 7, 2016
  11. math

    ^^same

    posted on October 5, 2016
  12. Math ASAP please

    Yup 100% boPy C D D C

    posted on February 24, 2016
  13. SS Help!!

    Thanks 100% latifa

    posted on February 22, 2016
  14. Changes in Matter

    I need help what is the answer🤔

    posted on December 1, 2015
  15. math 3

    24000 cu cm

    posted on November 3, 2015
  16. precalc

    is the answer to #3 39°?

    posted on October 29, 2015
  17. math

    250

    posted on October 15, 2015
  18. Chemistry

    Use dimensional analysis. You have the rate at which the water drops and you a set time figure out how to implement them in your calculation. And did you by any chance mean milliliter* not millimeter ?

    posted on September 27, 2015
  19. science

    It's a reaction between two elements, so it's chemical.

    posted on September 27, 2015
  20. CHEMISTRY !!! HELP !

    Nevermind, I figured out what I was doing wrong. Thnx

    posted on September 26, 2015
  21. CHEMISTRY !!! HELP !

    OHH Great !!! It makes much more sense now.Thanks !

    posted on September 24, 2015
  22. CHEMISTRY !!! HELP !

    .5*.12=.06 mols NaOH .595*.25=.14875 mols Acid (.14875)/(1.095)=.1358M Acid (.06/1.095)=.05479M NaOH pH=4.53+log(base/acid)=4.14

    posted on September 24, 2015
  23. Math

    You just divide the total money paid by 13.50 which is the amount paid per ft^2 and that will be your area.

    posted on September 20, 2015
  24. SCIENCE

    The membrane around the vacuole biological term

    posted on February 21, 2015
  25. Algebra Help! Please

    4x-2=4x-2 0=0

    posted on November 19, 2014
  26. Science--PLEASE CHECK!

    I would say that the answer is b, although I'm not quite sure..

    posted on May 7, 2014
  27. Spanish1 help

    Trabajas

    posted on April 25, 2014
  28. math

    yep got it now--6395

    posted on September 14, 2010
  29. math

    other clues are tens digit is 1 less than thousands and tens digit is 2 more than ones

    posted on September 14, 2010
  30. Prayer Request

    please pray for owen and daralyn to get back together as a family and have a,good life together. and to be in love always,

    posted on April 12, 2010
  31. Prayer Request

    That dee and owen can be together again as a famliy and live a good life.

    posted on March 29, 2010
  32. the big idea of energy

    what is it? I'm baffled. I am doing it have to include in my essay on the digestive system!!

    posted on February 1, 2009
  33. Science

    Wow, That Lawrence guy needs to keep his day job! Haha. Thanks for your help.

    posted on December 12, 2008
  34. Science

    Sweet, I hope I get an A+!!

    posted on December 12, 2008
  35. Social Studies

    I've seen the the nationalgeographic one. Yes, I know that no one knows. It's just that i came to this site to find out that he didn't kill himself. My teacher got into an argument with my S.S. teacher. They were practically yelling. Thank you for your

    posted on December 12, 2008