Thursday
December 12, 2013

# Posts by Devin

Total # Posts: 134

chemistry
Ln(100)/1)=(0.693/t^1/2)(t). ??? Don't get it

chemistry
Sorry don't understand it is 99 percent

chemistry
If the radiicativr decay of nuclear explosion contains 90 Sr , with a half life of 28.1 years how long will it take for 99 of this radioaioot to decay

chemistry
How many grams of na cl are required to make 500ml of a 0.65 percent w/v

Algebra1
A CELL PHONE ORDDERS 500 NEW PHONES FROM A MANFACTURE.IF THE PROBABLITY OF A PHONE BEING DEFECTIVE IS 2.6% PREDICT HOW MANY OF THE PHONES ARE LIKELY TO BE DEFECTIVE.ROUND TO THE NEAREST WHOLE NUMBER

Engineering
A 2kg piece of gold metal at 90 C is placed in 5 liters (=5kg) of water at 30 C. Determine the final temperature (Tf).

math
Please show me the steps to solve this problem: The total shipping weight of two crates is 358 pounds. One crate weighs 124 pounds more than the other. What does eah crate weigh?

Math
explore the significance of the coefficient "a" in determining the shape of the graph of y=a|x|.[

Math
explore the significance of the coefficient "a" in determining the shape of the graph of y=a|x|.[

english
Crossword puzzle Try to have_________ in length and form of your sentences. 7 letters

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