Wednesday
September 17, 2014

Posts by rachell


Total # Posts: 13

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?
January 30, 2014

Physics Please check my answers
Are the others correct Henry or anyone else?
January 17, 2014

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 <<<< C. 225 m/s D. 12.56 m/s E. 9.8 m/s 2. A police officer ...
January 17, 2014

chemistry/ stioichiometry
so it is 20.4 mols cu???
April 9, 2012

chemistry/ stioichiometry
Cu2S + O2- 2Cu +SO2 when 10.2 mol Cu2S react with oxygen, how many moles of Cu are formed? path?
April 9, 2012

chemistry/ stioichiometry
Cu2S + O2- 2Cu +SO2 when 10.2 mol Cu2S react with oxygen, how many moles of Cu are formed? path?
April 9, 2012

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 C6-H10-O4. DID I DO ...
April 2, 2012

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 C6-H10-O4. DID I DO ...
April 2, 2012

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?
April 2, 2012

polynomials
The fact that multiplication distributes over addition, otherwise known as the "distributive property
August 10, 2010

Advance Algebra
When multiplying two polynomials, what fundamental property do you use repeatedly?
August 10, 2010

family studies
what are four reasons why anger is less frequent at the preschool age.
November 26, 2007

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?
July 27, 2005

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