Kell
Popular questions and responses by Kell
College Chemistry
Using the values for the heat of fusion, specific heat of water, or heat of vaporization, calculate the amount of heat energy in each of the following: * calories removed to condense 125g of steam at 100 degree C to cool the liquid to 15 degree C * joules
asked on September 16, 2010 
Chemistry
Determine the percent yield for the reaction between 276.94 g of Sb2S3 and excess oxygen if 59.19 g of Sb4O6 is recovered along with an unknown amount of sulfur dioxide gas. (include 2 decimal places in your answer)
asked on January 24, 2020 
Math Help PLEASE
Write an equation of the line containing the givin point and parallel to the givin line. Express your answer in the form y=mx+b The equation of the line is y=? (5,9);8x=7y+5
asked on May 2, 2008 
Math
Karen ran 42 miles in 6 days. On Sunday she ran 12 miles. Each of the other days she ran the same distance. 1. Write an algebraic equation to show how far Karen ran. 2. Calculate how many miles Karen ran each day for the week. 3. Explain how you arrived at
asked on January 20, 2016 
alg
If f is a 11 function and f(0) = 4, f(1) = 5, f(2) = 7, and f(3) = 9, find the following. f ^−1(5)
asked on April 14, 2014 
Alg.
Given g(x) = x^2 – 3, find the following. g(−4 + h) − g(−4)/ h (all over h)
asked on April 14, 2014 
math
when is it more practical to use a scale drawing rather than an actual size drawing
asked on March 31, 2012 
Soviet UnionUSCold War
What's the significance of the relationships of the Soviet Union and the United States to developing countries during the Cold War. How do you think it relates to conditions today?
asked on June 11, 2011 
COLD WAR
What are some of the reasons the Cold War ended and do you think there is any way this long period of history could have been avoided?
asked on June 11, 2011 
chemistry
the boiling point of water at 735mmHg is 99.073 degrees celcius. What mass of NaCl should be added to 3.11kg water to increase the boiling point to 100.000 degrees celcius? Kb for water = 0.510 K Kg mol1
asked on October 6, 2010 
math
5m  11 and 2m + 3=
asked on March 23, 2010 
Ethics
Can groups or organizations function autonomously apart from the individuals that comprise them
asked on March 22, 2010 
PLEASE HELP(MATH)
Evaluate K^2 5 When K = 6
asked on June 12, 2008 
Math Help PLEASE
Divide and Check 4x^96x^4+6x^2/2x^2
asked on June 12, 2008 
writing
Discuss how, as a professional, you may be able to assist children in refining their learning and metacognitive problemsolving strategies. At what stage in the maturation process do you believe it is most important to address a child’s learning and
asked on June 11, 2008 
Algebra Help PLEASE
How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life
asked on June 6, 2008 
Algebra Help PLEASE
King’s Service Station uses two kinds of cleaning solution containing acid and water. “Attack” is 2% acid and “Blast” is 6% acid. They want to mix the two to get 60qt of a solution that is 5% acid. How many quarts of each should they use. Let a =
asked on May 8, 2008 
Math Help PLEASE
Solve the system of equations by graphing then classify the system as consistent and the equation as dependent or independent. 4xy=26 4x+5y=10 What is the solution of the system of Equations? (type am ordered pair Type N if there is no solution Type R if
asked on May 6, 2008 
computers
Are there certain curricular areas in which technology is more useful than in others? Such as in a classroom
asked on April 28, 2008 
Math
The function,p(d)=1+ d over 33, give the pressure, in Atmospheres (atm), at a depth (d) in a sea (d is in feet) note that p(0)=1 atm, p(33)=2, and so on, find the pressure at 80 feet. The pressure at 80feet is____atm (type an interger or simplifyed
asked on April 24, 2008 
Math
I need a real life example for Domain and rang I was thinking like A heart beat machine but how would I explain it....
asked on April 24, 2008 
math
f (x) = 4x – (5x) + 9 1) (6) 2) (3)
asked on April 23, 2008 
MAth
Find each of the indicated function value. f (x) = 4²x  5x + 9 a) (2) b) (3a)
asked on April 23, 2008 
Algebra
Determine whether the number is a solution of x
asked on April 9, 2008 
science
Why is it important to maintain core body temperature? and Why is it important to maintain the concentration of water within a mammals internal environment?
asked on October 4, 2007

algebra
it will not let me post the web site I went too
posted on May 6, 2008 
Math Help PLEASE
It says it is wrong it is looking for 2 point per equation
posted on May 6, 2008 
alegebra
1) 4*s evaluates to 4s s*34*s*24*s evaluates to 9s s*34*s*24*s+16 evaluates to 9s+16 2) 3*y*2 evaluates to 6y 12*y*4/3*y*2 evaluates to 5y
posted on May 6, 2008 
algebra
F(x) = x^3  7x = 2x = 2 x^3 =5x  2 =0 square root ^3 ( x^3) = square root^3 (5x  2) x = square root^3 (5x  2)
posted on May 6, 2008 
algebra
f(x) = 3x² – 2x + 8 f(0); f(7a)
posted on May 6, 2008 
FRENCH
Merci pour les compléments....
posted on April 23, 2008 
math
(11/12)  ( 1/3 1/4) simplify fractions (11/12) (1/12) = 10/12 =5/6
posted on October 4, 2007