Tuesday
May 21, 2013

# Posts by Cathy

Total # Posts: 286

math
For what values of n will n! be exactly divisible by 7?

Chemistry
What is the compound name for Sb2(CrO4)5? This is the only question I am having trouble with.

Math
June rides the 15 foot tall ferris wheel at the city fair. She enters the ride at the bottom. If the ride makes 8 complete rotations before stopping, what is the total distance that June travels?

Critical Thinking
What is the rhetoric device in this sentence: "The right to life includes and implies the right to commit suicide To hold otherwise to declare that society must give you permission to kill yourself"

math
Take the following out of fraction form tan^2x/cscx+1

Math
scientific notation 0.0000000005 5 x 10(-9)

Math
scientific notation 12,150,000,000 1.215 x 10(7)

chemistry
A buffer solution was prepared by mixing 442 mL of 0.181 M NaOCl and 139 mL of 0.421 M HOCl. Calculate the pH of the solution given that Ka (HOCl) is 3.2 x 10-8.

chemistry
Given 1.00L of a buffer containing 0.338 M CH3COOH and 0.093 M CH3COONa. Ka(acetic acid) = 1.8 x 10-5. Calculate the pH after the addition of 0.005 moles NaOH.

Math
solve -9/x-2 - x = 8

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