September 23, 2014

Posts by s

Total # Posts: 323

The answer is c) ns^2 np^5 I know this because in addition to the explanations posted, above I just did this for my chemistry homework. I'm guessing you also have Mastering Chemistry?
November 13, 2007

the numbers vary a lot. like some of the numbers are .004 and some are 1999. how would you graph that big of a difference?? and it asks questions like at what wavelength was the absorbance the greatest but for the color red i recorded the absorbance to be 1999 at 6 different ...
November 6, 2007

its that all??
November 6, 2007

i have %composition and absorbance.
November 6, 2007

i have a lab to do on spectrophotometry and im supposed to graph all these numbers and i really have no clue what to do. can anyone help me???
November 6, 2007

if aluminum chloride is mixed in with hydrochloric acid, how can you recover it?
October 9, 2007

can someone explain to me how to answer this: Polycarbonate plastic has a density of 1.2 g/c3. A photo frame is constructed from two 3.0 mm sheets of polycarbonate. Each sheet measures 28 cm by 22cm.What is the mass of the photo frame?
October 7, 2007

1.how do you calculate the specific heat of a metallic element if 314 joules of energy are needed to raise the temperature of a 50.0 g sample from 25.0 degrees c to 50.0 degrees c. 2. how do you propose a method for determining the specific heat for a metal like sodium which ...
October 2, 2007

wat do u want 2 do wiv this equation? factorize it or what?
September 16, 2007

can some one pleasee help me!!!
The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally bold, as is the C-C-C-C-N ring in compound B. By comparing these structures assess which of A and B, might be (i) more active than penicillin ...
June 30, 2007

1 atom of hydrogen has a mass of 2.6 x 10 power neg 21g.find the mass of 6000 atoms? 2.6 x 10 power neg 21 = 2.6 x 10^-21 6000 = .6 x 10^4 Multiply the two terms. When multiplying exponents, you add the powers. I hope this helps. Thanks for asking.
June 26, 2007

number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this right???
June 7, 2007

how do jupiter's moons stay in orbit around jupiter? Gravity.
May 6, 2007

360 qt/hour
April 12, 2007

wow i have the exact same problem
April 12, 2007

social studies
February 27, 2007

Find four different numbers that have an average of 11 i dunno 9,10,12,13 or any four numbers that add to 44.
January 19, 2007

December 23, 2006

December 11, 2006

social studies
In what ways did each of the following contribute to the growth of democracy between 1800 and 1840? a. State constitution b. Charles River Bridge v. Warren Bridge decision c. Changes in political party procedures d. actions taken by Jackson himself ccccc??? Do you know any ...
November 15, 2006

English 3
what is prevalent
June 26, 2006

brain teaser help
I like cheese K K K L ☆*:.。. o(≧▽≦)o .。.:*☆
August 20, 2005

Forgot my book, need science help!!
August 20, 2005

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