# 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?

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?

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?

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

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

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

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

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

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?

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

11. ## Maths

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

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?

13. ## Maths

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

14. ## physics

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

15. ## Chemistry

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

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

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?

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 ?

19. ## math

3hr 10 min elapsed time

20. ## Science

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

21. ## math

What is \$1500 with 7% of tax?

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

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

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.

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?

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

27. ## Social Studies

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

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?

29. ## geometry

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

30. ## Social Studies

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

31. ## US hISTORY

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

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

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.

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?

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

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.)

37. ## physics

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

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?

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.

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.)

41. ## physics

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

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?

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.

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, *

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

posted on January 2, 2018
6. ## Language

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

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

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

posted on November 19, 2014

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