# Kell

Popular questions and responses by Kell
1. ## 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

2. ## 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)

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

4. ## 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

5. ## alg

If f is a 1-1 function and f(0) = 4, f(1) = 5, f(2) = 7, and f(3) = 9, find the following. f ^−1(5)

6. ## Alg.

Given g(x) = x^2 – 3, find the following. g(−4 + h) − g(−4)/ h (all over h)

7. ## math

when is it more practical to use a scale drawing rather than an actual size drawing

8. ## Soviet Union-US-Cold 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?

9. ## 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?

10. ## 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 mol-1

11. ## math

5m - 11 and 2m + 3=

12. ## Ethics

Can groups or organizations function autonomously apart from the individuals that comprise them

Evaluate K^2 -5 When K = -6

Divide and Check 4x^9-6x^4+6x^2/2x^2

15. ## writing

Discuss how, as a professional, you may be able to assist children in refining their learning and metacognitive problem-solving strategies. At what stage in the maturation process do you believe it is most important to address a child’s learning and

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

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 =

Solve the system of equations by graphing then classify the system as consistent and the equation as dependent or independent. 4x-y=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

19. ## computers

Are there certain curricular areas in which technology is more useful than in others? Such as in a classroom

20. ## 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

21. ## 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....

22. ## math

f (x) = 4x – (-5x) + 9 1) (6) 2) (-3)

23. ## MAth

Find each of the indicated function value. f (x) = 4²x - 5x + 9 a) (2) b) (-3a)

24. ## Algebra

Determine whether the number is a solution of x

25. ## 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?

1. ## algebra

it will not let me post the web site I went too

posted on May 6, 2008

It says it is wrong it is looking for 2 point per equation

posted on May 6, 2008
3. ## alegebra

1) 4*s evaluates to 4s s*3-4*s*2-4*s evaluates to -9s s*3-4*s*2-4*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
4. ## 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
5. ## algebra

f(x) = 3x² – 2x + 8 f(0); f(7a)

posted on May 6, 2008
6. ## FRENCH

Merci pour les compléments....

posted on April 23, 2008
7. ## math

(11/12) - ( 1/3 1/4) simplify fractions (11/12) -(1/12) = 10/12 =5/6

posted on October 4, 2007