Rachell

Most popular questions and responses by Rachell
  1. Physics

    On an unknown planet, a pendulum of length 1.5 m swings with a period of 3.3 s. What is the acceleration of gravity on this planet?

    asked on January 30, 2014
  2. Physics Please check my answers

    1. An amusement park ride has a diameter of 16 meters and revolves at 15 rpm (revolutions per minute). How fast is a rider moving if she sits at the outermost part of the ride? A. 29.4 m/s B. 1.07 m/s

    asked on January 17, 2014
  3. chemistry/ stioichiometry

    Cu2S + O2- 2Cu +SO2 when 10.2 mol Cu2S react with oxygen, how many moles of Cu are formed? path?

    asked on April 9, 2012
  4. chemistry/ stioichiometry

    Cu2S + O2- 2Cu +SO2 when 10.2 mol Cu2S react with oxygen, how many moles of Cu are formed? path?

    asked on April 9, 2012
  5. family studies

    what are four reasons why anger is less frequent at the preschool age.

    asked on November 26, 2007
  6. chemistry

    THank you for help steve with the other one!! :) My other one is: The compostition of adipic acid used in the manufacture of Nylon is 49.3%c, 6.9% H and 43.89%O. The molecular mass is known to be 146 amu. What is the molecular formula of adipic acid? I got

    asked on April 2, 2012
  7. chemistry

    THank you for help steve with the other one!! :) My other one is: The compostition of adipic acid used in the manufacture of Nylon is 49.3%c, 6.9% H and 43.89%O. The molecular mass is known to be 146 amu. What is the molecular formula of adipic acid? I got

    asked on April 2, 2012
  8. gen chemistry

    I need help please?? Calculate the empirical formula for a compound composed of 13.27g Carbon and 70.9g sulfur. I got C1S2. Is this correct?

    asked on April 2, 2012
  9. Advance Algebra

    When multiplying two polynomials, what fundamental property do you use repeatedly?

    asked on August 10, 2010
  1. Physics Please check my answers

    Are the others correct Henry or anyone else?

    posted on January 30, 2014
  2. chemistry/ stioichiometry

    so it is 20.4 mols cu???

    posted on April 9, 2012
  3. Advance Algebra

    The fact that multiplication distributes over addition, otherwise known as the "distributive property

    posted on August 10, 2010
  4. polynomials

    What is the basic principle that can be used to simplify a polynomial? What is the relevance of the order of operations in simplifying a polynomial?

    posted on August 10, 2010