Thursday
July 24, 2014

Posts by rachell


Total # Posts: 14

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?

Physics Please check my answers
Are the others correct Henry or anyone else?

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 spot...

chemistry/ stioichiometry
so it is 20.4 mols cu???

chemistry/ stioichiometry
so it is 20.4 mols cu???

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

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

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 ...

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 ...

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?

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

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

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

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?

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