Most popular questions and responses by Stephany
  1. English

    1.) Read the following lines from the poem Africa. "Impetuous son that tree young and strong. that tree there in splendid loveliness amidst white and faded flowers. that is Africa your Africa. that grows again patiently obstinately. and its fruit gradually

    asked on January 29, 2017
  2. Chem

    Which solvent, water or hexane (C6H14), would you choose to dissolve each of the following? 1. NaCl 2. HF 3. Octane 4. (NH4)2SO4

    asked on March 29, 2010
  3. Chem

    What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 216.2 g water to give a solution with a freezing point of -1.62 °C?

    asked on March 31, 2010
  4. chemistry

    balance the followig example of a heterogeneous equilibrium and write its reaction quotient, Qc: S8 + F2=SF6 i've balanced it i think i got S8 +24F2 =8SF6 but when i try it it keeps telling me that i'm wrong when i write out the Qc

    asked on November 1, 2010
  5. Chemistry

    Write the equilibrium constant expression for the reaction: 2NO +2H2 =N2+2H2O Kc=?

    asked on November 1, 2010
  6. math

    a bag contains 6 white 2 black and 10 green marbles if a marble is selected at random find the probability that it is green

    asked on March 8, 2012
  7. Chemistry

    The vapor pressure of pure ethanol at 20 degrees C is 44 mmHg, and the vapor pressure of pure methanol at the same temperature is 94 mmHg. In a solution of the two, the mole fraction of ethanol is .439; the mole fraction for methanol is .561. Calculate the

    asked on October 18, 2010
  8. Pre Algebra

    A customer at the ring toss booth gets eight rings for two dollars find the constant of proportionality and write an equation relating the cost to the number of rings. At the same rate how much would a customer pay for 11 rings? for 20 rings?

    asked on January 20, 2016
  9. geometry

    Mr. Franco is making a triangular cement slab and needs to set boards before he can pour the cement. He has already set two boards that are 5 feet and 8 feet in length. What is a reasonable range for the length of the third board that Mr. Franco could set

    asked on March 27, 2014
  10. math

    how much is 965feet of screen wire @ $.125 a foot?

    asked on January 6, 2014
  11. Math

    How do I turn this into a algebraic expression, the sum of two times a number and five added to six times the number

    asked on September 23, 2015
  12. Medical Terminology

    A patient has calculi present in the kidney. This statement indicates which diagnosis? A)Nephrolithiasis B)Proteinuria C)Renal cell carcinoma D)Nephropathy

    asked on October 22, 2010
  13. 11th grade

    Is malleability an extensive property or an intensive property? Explain.

    asked on September 19, 2009
  14. chemistry

    neon gas is cooled and volume goes from 380L to 250ml and the final temperature is -55 Celsius what is the original temperature??

    asked on October 18, 2012
  15. Ecology bio

    What is meant by "high quality" and "low quality" litter? What impact does litter quality have on decomposition rates?

    asked on May 18, 2011
  16. Maths

    I have 1000m of fencing to make a paddock, there is a 1km wall in which I can build the paddock onto. I have to find the length or area (I'm not sure what) of a square shaped paddock, a triangle shaped paddock and half a circle. The notes I was given with

    asked on November 17, 2015
  17. math

    An IPAD regularly sells for $ 225 . It is advertised a 20 % discount. Find the total costs of the TV including 7% sales tax.

    asked on January 26, 2017
  18. Math

    How many tiles are needed to create a border 3 inches high along the base of a wall?

    asked on October 4, 2012
  19. Med Terminology

    A patient underwent dialysis for CRF. What does this abbreviation represent? A-Culture and sensitivity B-Cystoscopic examination C-Chronic renal failure D-Catherization

    asked on October 22, 2010
  20. chem

    is HC2H3O2 a strong or weak acid

    asked on April 1, 2010
  1. physics

    Suppose a 0.30-kg mass on a spring that has been compressed 0.10 m has elastic potential energy of 1.5 J. What is the spring constant? Select one: a. 300 N/m b. 20 N/m c. 200 N/m d. 10 N/m

    posted on September 7, 2019
  2. Chemistry

    what is mass in grams, of a pure iron cube that has volume of 3.50cm3

    posted on June 1, 2019
  3. math


    posted on August 30, 2018
  4. English

    Ya but its consoling not consulting...and I feel that the last line that says the "bitter taste" of liberty shows a little resent maybe.....? What do you think?

    posted on January 29, 2017
  5. Math

    Thank you I wasn't so sure about this one but I think I got it

    posted on September 23, 2015
  6. biology

    dinoflagellates and diatoms

    posted on January 19, 2012
  7. high school physics

    What mass of water will give 240 calories when its temperature droped from 80 degrees celsius to 68 degrees celsius?

    posted on January 7, 2011
  8. 6th grade social studies

    i need help on homework everyday

    posted on September 13, 2010
  9. math 6 grade

    i need help for school

    posted on September 13, 2010
  10. Chemistry

    is malleability an extensive property or an intensive property? explain

    posted on September 19, 2009