Total # Posts: 58
2. In a calorimetry experiment, 50.0 g of a 2.04 mole/kg HCl solution is mixed with 50.0 g of a 2.13 mol/kg NaOH solution. The specific heat of the resulting solution is 3.90 J·˚C−1·g−1. The temperature of the mixture rises from 22.1 ºC to ...
February 6, 2015
Our bodies can use glucose, C6H12O6 (s) (MM = 180.2 g/mol ) , as a fuel. The heat of combustion of glucose in 2.820 x 103 kJ/mol. The human body has a specific heat of 4.18 J·˚C−1·g−1 Howmany grams of glucose would an 80.0 kg person need to ...
February 6, 2015
Men are portrayed as independent and serious, and are defined and described by activities and accomplishments." How does the English language that is spoken in the US accomplish this?
June 25, 2010
Would this have anything to do with politics or strictly healthcare? Because I cannot have any political jargon, this is strictly organizational. Thanks!
February 13, 2010
I need an example of an organizational writer that is unethical in his/her in writing. Can somone please steer me in the right direction? Thanks in advance!
February 13, 2010
Communication Language Studies
a. What role does the hearer play in making sure the speaker's utterance, sound and message is correctly understood? b.Name one strategy the hearer can use to increase understanding. I would appreciate some ideas, but I think the key here is listening and asking questions ...
January 22, 2010
Consider the issue and implications of intentional news media bias. Why are a large segment of the American news media audience either unable or unwilling to be better critical media consumers?
October 29, 2009
Communication Law Studies
Identify and discuss a current or recent advertising campaign that could cross the line of legality by making false or misleading claims that could result in a risk to consumer safety.
October 18, 2009
What are the most pressing challenges facing U.S. copyright enforcement interests today in the context of the proliferation of overseas, especially third-world copyright piracy?
October 6, 2009
Algebra Word Problem Help
In 1626, Peter Minuit of the Dutch West Indies purchased Manhattan Island from the Native Americans for $24. Assuming an exponential rate of inflation of 6% per year, how much will Manhattan Island be worth in 2010?
August 4, 2009
Solve and express in interval notation Solve: |5 8x| > 11 and write interval notation for the solution set. This is what I get but I need it in interval notation. x<-3/4 or x >2 Solve: (x-3)/(x^2-25)<0 and write interval notation for the solution set. This ...
August 2, 2009
Consider the polynomial f(x) = 2x^3 3x^2 8x 3. (a) By using the Rational Zero Theorem, list all possible rational zeros of the given polynomial. (b) Find all of the zeros of the given polynomial. Be sure to show work, explaining how you have found them.
July 22, 2009
Math Word Problem
An area, A, consisting of the sum of two squares is 1000. The side of one square is 10 less than 2/3 of the side of the other square. What are the sides of the squares?
June 30, 2009
At the beginning of Georges diet, he weighed 212 pounds, and 8 weeks later he weighed 198 pounds. Find the average rate of change of Georges weight. I think its 1.75 but also -1.75? which one could it be? Please help! Thanks!
June 29, 2009
Which of the following is TRUE about the line through the points (1, 4) and (1, 2)? Please EXPLAIN/SHOW WORK. A. The slope is undefined B. The slope is negative C. The slope is 0 D. The slope is positive
June 24, 2009
Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity) Responses
June 18, 2009
Let f(x) = x^2 3x + 8 and g(x) = x 5 (a) Find the sum (f + g)(x) and simplify the results. (b) Find the composite function (f º g)(x) and simplify the results. (c) Find (f º g)(2) Show some work. (d) Find the composite function of (g º f)(x) and ...
June 17, 2009
Consider the line with equation 5x 2y = 10. (a) Find the y-intercept for the given line. (b)Find the slope for a line parallel to the given line. (c) Find the slope for a line perpendicular to the given line.
June 16, 2009
Simplify p^-4+m p^2m)^-4 --------------- (p^-4)^-m I was thinking that you multiply exponents here and I came up with 2 possible answers. Any help is appreciated. Thanks p-16m + 16 p-8m 4
April 2, 2009