Owen
Most popular questions and responses by Owen
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 
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 
Science
A radioactive substance is found to register 1000 counts per second on a Geiger counter. Twentyfour hours later it registers 125 counts per second. What is its halflife?
asked on December 5, 2012 
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 
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 
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 
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 
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 
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 
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 
Maths
5x+3y=4 3x+4y=9
asked on March 7, 2019 
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 
Maths
5x+3y=4 3x+4y=9 Simultaneously
asked on March 7, 2019 
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 
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 
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 
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 
CHEMISTRY !!! HELP !
500.0 mL of 0.120 M NaOH is added to 595 mL of 0.250 M weak acid (Ka = 2.95 × 105). 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 
math
3hr 10 min elapsed time
asked on January 31, 2019 
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 
math
What is $1500 with 7% of tax?
asked on October 14, 2010 
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 
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 
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 
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 
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 
Social Studies
Could someone give me a character sketch of James I???
asked on December 7, 2016 
Science
If a 20 gram sample of a radioactive substance has a halflife of 6000 years, how many grams would be present after 18000 years?
asked on December 5, 2012 
geometry
each leg of an octagon is 48" what is the diameter?
asked on February 25, 2011 
Social Studies
What group of people did the black plague benefit in england and the surrounding aread?
asked on January 13, 2011 
US hISTORY
What did Washington do with his slaves at the end of his presidency?
asked on January 8, 2010 
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 
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 
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 
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 
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 
physics
for a body to be in equillibrium under the combined action of several forces
asked on May 25, 2012 
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 
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 
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 
physics
the conditions that the net force and the net torque both vanish?
asked on May 25, 2012 
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 
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 
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

SS
Guys ms. Sue is wrong It is b
posted on March 28, 2019 
Math
what is the greatest number and least number of 8000?
posted on June 18, 2018 
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 
engineering
300 N
posted on January 24, 2018 
Science
lemonade is a homogenous mixture
posted on January 2, 2018 
Language
Hey steve do you mind sharing the answers please
posted on October 6, 2017 
Chemistry
increases
posted on October 5, 2017 
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 
Math
26!!!
posted on December 8, 2016 
Social Studies
thanks
posted on December 7, 2016 
math
^^same
posted on October 5, 2016 
Math ASAP please
Yup 100% boPy C D D C
posted on February 24, 2016 
SS Help!!
Thanks 100% latifa
posted on February 22, 2016 
Changes in Matter
I need help what is the answer🤔
posted on December 1, 2015 
math 3
24000 cu cm
posted on November 3, 2015 
precalc
is the answer to #3 39°?
posted on October 29, 2015 
math
250
posted on October 15, 2015 
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 
science
It's a reaction between two elements, so it's chemical.
posted on September 27, 2015 
CHEMISTRY !!! HELP !
Nevermind, I figured out what I was doing wrong. Thnx
posted on September 26, 2015 
CHEMISTRY !!! HELP !
OHH Great !!! It makes much more sense now.Thanks !
posted on September 24, 2015 
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 
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 
SCIENCE
The membrane around the vacuole biological term
posted on February 21, 2015 
Algebra Help! Please
4x2=4x2 0=0
posted on November 19, 2014 
SciencePLEASE CHECK!
I would say that the answer is b, although I'm not quite sure..
posted on May 7, 2014 
Spanish1 help
Trabajas
posted on April 25, 2014 
math
yep got it now6395
posted on September 14, 2010 
math
other clues are tens digit is 1 less than thousands and tens digit is 2 more than ones
posted on September 14, 2010 
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 
Prayer Request
That dee and owen can be together again as a famliy and live a good life.
posted on March 29, 2010 
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 
Science
Wow, That Lawrence guy needs to keep his day job! Haha. Thanks for your help.
posted on December 12, 2008 
Science
Sweet, I hope I get an A+!!
posted on December 12, 2008 
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