Friday

April 18, 2014

April 18, 2014

Post a New Question | Current Questions

**College Algebra**

The concentration C of a certain drug in a patient's bloodstream t minutes after injection is given by C(t)=50t/t^2+25. Determine the time at which the concentration is highest. Round your answer to the nearest tenth of a minute.
*Monday, October 22, 2012 at 3:18pm*

**College chemistry**

When your body metabolizes amino acids, one of the final end products is urea, a water so liable compound that is removed from the body as urine. Why is urea soluble in water, when hexamide, a related compound is not?
*Monday, October 22, 2012 at 2:01am*

**College chemistry**

When your body metabolizes amino acids, one of the final end products is urea, a water so liable compound that is removed from the body as urine. Why is urea soluble in water, when hexamide, a related compound is not?
*Monday, October 22, 2012 at 2:01am*

**College Chemistry**

When your body metabolizes amino acids, one of the final end products is urea, a water so liable compound that is removed from the body as urine. Why is urea soluble in water, when hexamide, a related compound is not?
*Monday, October 22, 2012 at 2:00am*

**College Chemistry**

Use PV = nRT. Remember V = L and T in kelvin. P in atm. Solve for V in L and convert to mL.
*Sunday, October 21, 2012 at 9:20pm*

**College Chemistry**

The molar volume is 22.4 L/mol. 1.50L/22.4 = n = #mols. Then mols = grams/molar mass. You know mols and grams, solve for molar mass. For B, if that is at standard T (273K), then 825/22,400 = mols. mol = g/molar mass. If not at 273 K, use PV = nRT and solve for n, then n = ...
*Sunday, October 21, 2012 at 9:19pm*

**College Chemistry**

You made a typo; I'm sure you wanted that to read....."the Mg is ignited to produce MgO." The answers are 2Mg + O2 ==> 2MgO Two mols Mg will produce two mols MgO (in an excess of oxygen). It appears the other questions relate to an experiment conducted with Mg...
*Sunday, October 21, 2012 at 8:57pm*

**college physics**

A student moves a box of books by attaching a rope to the box and pulling with a force of 80.0 N at angle of 45o. The box of books has a mass of 25.0 kg and the coefficient of kinetic friction between the bottom of the box and the sidewalk is 0.43. Find the acceleration of the...
*Sunday, October 21, 2012 at 8:26pm*

**college physics**

For any future students (likely SBU like myself), the line "4000m/s relative to each other along the original line of motion" translates to Va=Vb+4000m/s
*Sunday, October 21, 2012 at 4:27pm*

**college statistic**

there are 10 candidates to fill 3 spots. how many teams can be formed
*Sunday, October 21, 2012 at 4:11pm*

**College Chemistry**

Two moles of Mg and five moles of O2 are placed in a reaction vessel, and then the Mg is ignited to produce Mg (F.W.= 40.31 g/mole). What is the actual mole ratio, the calculated mole ratio, how many moles of MgO are formed, and what is the weight of MgO formed?
*Sunday, October 21, 2012 at 3:30pm*

**College Chemistry**

Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following. A: 11.2g of a gas that has a volume of 1.50Lat STP? B: .0710g of a gas that has a volume 825ml at 1 atm
*Sunday, October 21, 2012 at 2:41pm*

**College Chemistry**

A 14.0 g sample of Krypton has a temperature of 25C at 625mm Hg. What is the volume, in Milliliters, of the krypton?
*Sunday, October 21, 2012 at 2:35pm*

**college alegebra**

....ok, maybe it's not easy... >.<
*Sunday, October 21, 2012 at 11:47am*

**college alegebra**

Reiny, no, actually, the square root of anything is not always the positive. because if you multiply two negative numbers, you get a positive number. So, when you square root anything, you assume it is either the positive or negative of a number, because it can be either. ...
*Sunday, October 21, 2012 at 11:45am*

**College Physics**

The moment of inertia of the rod with the two masses at each end is: I = M*L^2/12 + 2*m*(L/2)^2 = M*L^2/12 + m*L^2/2 = (M + 6m)*L^2/12 The angular momentum is I*w = (M+6m)*w*L^2/12.
*Sunday, October 21, 2012 at 1:50am*

**College Alegbra**

from your information, the height h is h = -16t^2 + 54t +75 , where t is in seconds and h is in feet dh/dt = -32t + 54 = 0 for a max h 32t = 54 t = 54/32 = 27/16 ---> time it took to reach max height = -16(27/16)^2 + 54(27/16) + 75 = 120.56 ft h = -16(
*Saturday, October 20, 2012 at 11:13pm*

**College Alegbra**

An arrow is launched upward with a velocity of 54 feet per second from the top of a 75 foot building. What is the maximum height attained by the arrow in feet?
*Saturday, October 20, 2012 at 9:19pm*

**College Physics**

A uniform horizontal rod of mass M and length l rotates with angular velocity w (omega) about a vertical axis through its center. Attached to each end of the rod is a small mass m. Determine the angular momentum of the system about the axis. Write you're answer in terms of...
*Saturday, October 20, 2012 at 8:55pm*

**College Math**

3. 4.9x - 7.2y = 2.3. m = -A/B. x-Intercept Let y = 0 and calculate x. y-Int. = C/B. OR Let x = 0 and calculate y. 4. 2x = -8. X = -4. This is a ver. line., and it is 4 units to the left of the y-axis. m = -A/B = -2/o = Undefined. x-int. = -4. y-int. = C/B = -4/0 = Undefined. ...
*Saturday, October 20, 2012 at 4:47pm*

**college alegebra**

I will assume you mean √(3x-2) + √(2x+5) + 1 = 0 by definition, √(anything) is the POSITIVE square root of anything, so the left side of your equation is the sum of three positive numbers, which of course can never be zero. your equation has no solution. why ...
*Saturday, October 20, 2012 at 10:28am*

**college alegebra**

√3x-2+√2x+5+1=0 Could this square root problem be solved by using a graphing TI-84 Plus calculator? If so, will you please tell me how to do it. Thanks
*Saturday, October 20, 2012 at 9:20am*

**College Algebra**

amount = 1 (1/2)^(30/34.6) = .5^.8670... = .548266 gram
*Saturday, October 20, 2012 at 12:34am*

**College Algebra**

The half-life of a radioactive material is about 34.6 years. How much of a 1-gram sample of the material is left after 30 years?
*Saturday, October 20, 2012 at 12:21am*

**CHEMISTRY**

extensive property
*Friday, October 19, 2012 at 10:52pm*

**College Math**

hard to believe your class materials don't include the formula for finding the distance between two points. Think Pythagorean Theorem.
*Friday, October 19, 2012 at 2:39pm*

**College Math**

The profit is $41,000 - $32,000. Multiply this by 23%.
*Friday, October 19, 2012 at 1:07pm*

**College Math**

How do you solve for the length you don't have to slove it but what would the formula be ?...
*Friday, October 19, 2012 at 12:39pm*

**College Math**

done , look back before reposting Richard, you are asking a lot of unrelated question without showing any effort on your part This is called "homework - dumping" Exactly where are you having difficulties?
*Friday, October 19, 2012 at 12:37pm*

**College Math**

slope = (16.3 - 16.3)/(-2.9 + 4.7) = 0 ahhh, must be a horizontal line equation of any horizontal line is y = k, where k is a constant. looking at your points: y = 16.3
*Friday, October 19, 2012 at 12:35pm*

**College Math**

look at it as two ordered pairs, (276.483,38) and (297.039,75) as (K,F) slope = (75-38)/(297.039-276.483) = 1.79996 or 1.8 F = 1.8K + b using (276.483,38) 38 = 1.8(276.483) + b b = -459.6694 F = 1.8K - 459.6694 (test for 297.039, 75) LS = 75 RS = 1.8(297.039) - 459.6694 = 75...
*Friday, October 19, 2012 at 12:25pm*

**College Math**

Find the area of a rectangle if three of its corners are (-3.7, -3.1), (1.2, -3.1), and (1.2, 5.3). Hint: find the 4th corner first.
*Friday, October 19, 2012 at 12:08pm*

**College Math**

Using EZgraph, graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. 3. 4.9x – 7.2y = 2.3 4. 2x = -8 5. 3.7x + 4.2y = 5.03
*Friday, October 19, 2012 at 12:04pm*

**College Math**

I made a rough sketch, and I bet the missing point is (-3.7 , 5.3) length = 1.2 - (-3.7) = 4.9 width = ... area = length x width = ...
*Friday, October 19, 2012 at 12:03pm*

**College Math**

Mary buys $32,000 worth of gold, and sells it a year later for $41,000. If she is required to pay 23% capital gains tax on her profit, how much tax will she pay?
*Friday, October 19, 2012 at 12:02pm*

**College Math**

Find an equation in slope-intercept form passing through the points (-4.7, 16.3) and (-2.9, 16.3). Hint: first find the slope!
*Friday, October 19, 2012 at 12:01pm*

**College Math**

A temperature of 38 degrees Fahrenheit (F) is equivalent to 276.483 degrees Kelvin (K), while a temperature of 75 degrees F is equivalent to 297.039 degrees K. (a) Using the algebra methods from this class, find the equation converting Kelvin temperature to Fahrenheit.(Hint: ...
*Friday, October 19, 2012 at 11:57am*

**College Math**

A clarinet factory wants to maximize profits. They can produce 250 clarinets per week at a cost of $300 per clarinet, and sell them for $1000 per clarinet. And, they can produce 350 clarinets per week at a cost of $275 per clarinet, and sell them for $900 each. How much profit...
*Friday, October 19, 2012 at 11:41am*

**College Math**

Find the area of a rectangle if three of its corners are (-3.7, -3.1), (1.2, -3.1), and (1.2, 5.3). Hint: find the 4th corner first.
*Friday, October 19, 2012 at 11:40am*

**college physics**

jhh
*Thursday, October 18, 2012 at 10:13pm*

**college physics**

Your 3rd velocity should be -4m/s. making it 4*5 + 10*3 - 3*4 = 38 17v = 38 v = 2.24m/s
*Thursday, October 18, 2012 at 8:15pm*

**Question regarding career options**

I assume you're in 9th or 10th grade. Take all of the physiology, biology, and phys ed courses you can. By about your junior year in college, you may have narrowed your goals to something more specific. I have doubts about the need for more gym franchises in the future, ...
*Thursday, October 18, 2012 at 6:23pm*

**Question regarding career options**

I have a few questions about my possible future! I plan on majoring in sports medicine and nutrition. Id also like to obtain my personal training degree while in college. I plan on one day also having my own gym franchise or business. As you can see, I LOVE fitness:) Would ...
*Thursday, October 18, 2012 at 6:07pm*

**College Calc**

y = √(x^(1/x)) = x^(1/2x) ln y = 1/(2x) ln x 1/y y' = -1/(2x^2) lnx + 1/(2x)(1/x) 1/y y' = (1-lnx)/(2x^2) y' = (1-lnx)y/(2x^2) = (1-lnx) √(x^(1/x))/(2x^2)
*Thursday, October 18, 2012 at 3:08pm*

**College Calc**

Problem: y=sqrtx ^1/x. Find DY/DX. ln(f(x))=lnx^1/2x or lnx to the 1/2x 1/2x lnx product rule (1/4x^2)(lnx)+(1/x)(1/2x) is the product rule correct? What do i do after this product rule?
*Thursday, October 18, 2012 at 12:28pm*

**College Physics**

F =G•m1•m2/R² the gravitational constant G =6.67•10^-11 N•m²/kg²,
*Wednesday, October 17, 2012 at 6:20pm*

**College Physics**

13. What is the magnitude of the gravitational force that acts on two particles? Assume that particle 1 (m1) is 12 kg and particle 2 (m2) is 25 kg, they are both separated by a distance of 1.2m
*Wednesday, October 17, 2012 at 5:50pm*

**College Discrete **

An urn contains n > 0 white balls and m > 0 black balls. Consider the experiment where two balls are drawn without replacement. What is the probability that the balls are of the same color? What is the probability of this event, if the balls are drawn with replacement? ...
*Tuesday, October 16, 2012 at 7:28pm*

**College Algebra**

factor it first s/(s^2-5s-24)-4/(s+3) = s/( (s-8)(s+3)) - 4(s+3) , LCD = (s-8)(s+3) = ( s - 4(s-8) )/((s-8)(s+3)) = (32 - 3s)/((s-8)(s+3)) or = - (3s-32)/((s-8)(s+3))
*Tuesday, October 16, 2012 at 9:16am*

**College Algebra**

Perform the indicated operation and simplify if possible. Assume any factors you cancel are not zero. s/(s^2-5s-24)-4/(s+3)
*Tuesday, October 16, 2012 at 1:54am*

**College algebra**

any number I plug into the expression will return some real number, so the domain is the set of real numbers
*Monday, October 15, 2012 at 10:32pm*

**College Algebra**

Let x = total height (1/4)x + 150 + (3/5)x = x (5/20)x + 150 + (12/20)x = x (17/20)x = x - 150 -(3/20)x = -150 x = 150/(3/20) x = 150 * (20/3) x = 3,000/3 x = 1,000 feet
*Monday, October 15, 2012 at 9:11pm*

**College algebra**

What is the domain for X³+2X²-9X-18
*Monday, October 15, 2012 at 9:08pm*

**College Algebra**

A piling supporting a bridge sits so that 1/4 of the piling is in the sand, 150 feet is in the water, and 3/5 of the piling is in the air. What is the total height of the piling?
*Monday, October 15, 2012 at 9:01pm*

**college orgo**

I'm sure this is not the shortest way to work this problem but I think this will work. 5+95 is 1 part EtAc + 19 parts hexane. Therefore, 20 parts is 2 mL. 2/20 = 1/10 = 0.1; i.e., it is 0.1 part EtAc + 1.9 parts hexane (total of 2 mL). If we are to increase the concn (5% ...
*Monday, October 15, 2012 at 8:42pm*

**college orgo**

calculate how to make 10 mL of 15:85 ethyl acetate:hexane solution from 2 mL of 5:95 ethyl acetate:hexane, using pure hexane and pure ethyl acetate.
*Monday, October 15, 2012 at 6:53pm*

**College Algebra**

I did this in calculus- good luck.
*Monday, October 15, 2012 at 6:44pm*

**College Algebra**

The campus of a college has plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 720 feet of fencing available to fence the other three sides. Let x represent the length of each of the two parallel sides of fencing. a) Express the ...
*Monday, October 15, 2012 at 6:10pm*

**college chemistry**

See your post under the screen name anne. It takes longer to answer questions with different screen names.
*Monday, October 15, 2012 at 5:41pm*

**College Chemistry**

We will calculate the amount of acid to use in each titration. Assume that you are using 0.0512 M NaOH(aq). A good volume of NaOH(aq) to use per titration is 15mL. From this molarity and volume, the moles of NaOH can be calculated. Since the unknown acid is monoprotic, this ...
*Monday, October 15, 2012 at 5:34pm*

**college chemistry**

I don't have any idea what procedure you used. If you wish to type in the ENTIRE procedure perhaps someone here can help but you can do this yourelf the following way. Write an equation for each step. Substitute (mentally) high or low for the part of the equation that is ...
*Monday, October 15, 2012 at 5:32pm*

**college chemistry**

Please be specific! Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ in the analyzed tablet. a)a student had difficulty decanting the supernatant solution from the test tubes in step 9, causing...
*Monday, October 15, 2012 at 4:37pm*

**College Chem**

What's your problem here? It's just substituting and some changes in units. By the way, that's pi the Greek letter and not the pie we eat.
*Sunday, October 14, 2012 at 11:25pm*

**College Chem**

The density of the Earth is about 3.5g/cubic centimeters. If the Earth has a radius of 1.126 by 10 (to the seventh power) meters, what is its mass? (hint: volume= 4(pie)r(to the third power)/3; 1 meter=100 centimeters
*Sunday, October 14, 2012 at 10:32pm*

**psychology**

I'm sure you know Rasmussen College better than I do. What is your hypothesis? Will students tell you the truth in the survey? How else can you find this information? Your study could help students find more effective ways of studying.
*Sunday, October 14, 2012 at 10:16pm*

**psychology**

What hypothesis would you make? Why is your research method an appropriate one for your hypothesis? What are the advantages and disadvantages of using your research method for this study? How will your study help Rasmussen College? I was assigned a Survey for my method
*Sunday, October 14, 2012 at 10:11pm*

**psychology**

Imagine that Rasmussen College has asked the psychology department to research the study habits of its students
*Sunday, October 14, 2012 at 10:08pm*

**College Chemistry**

calculate the theortetical percentage of water for the following hydrates. Calcium nitrate tetrahydrate Ca(No3)2 X 4H2O
*Sunday, October 14, 2012 at 9:00pm*

**Oakton College**

In both cases, you are continuously dividing and multiplying until the process is completed. The difference is you only divide by the first term of the divisor. But you multiply by both terms of the divisor. For example, if your divisor was x+4 an4 the first term of your ...
*Sunday, October 14, 2012 at 12:43pm*

**college algebra**

entire estate value ---- x x - (x/2 + x/6) = 15000 times 6 6x - 3x - x = 90000 2x = 90000 x = 45000 check wife gets 22500 daughter gets 45000/6 = 7500 leaving 15000 for son all adds up nicely.
*Sunday, October 14, 2012 at 10:27am*

**College Chemistry**

Assuming that Ka is 1.85 *10-5 for acetic acid, calculate the pH at one-half the equivalence point and at the equivalence point for titration of 50mL of 0.100M acetic acid with 0.100M NaOH.
*Sunday, October 14, 2012 at 9:29am*

**college algebra**

a man left 1\2 of his estate to his wife, 1\6 to his daughter, and the remainder an amount of $15,000, to his son. How large was the entire estate?
*Sunday, October 14, 2012 at 6:52am*

**college math**

First of all your function is not a linear function, (it is not a straight line) Secondly, is it the way you typed it or is it f(-x) = x√(x^2 + 2) by the way, f(x) = -x√(x^2+2) for negative x's the graph rises in quadrant II for positive x's the graph drops...
*Sunday, October 14, 2012 at 1:08am*

**college math **

I'm trying to find why the linear function f(-x)=x√x^2+2 is negative when it should be neither. why are √'s not negatives?!?!?! Is it because √x can't cross over the y axis because √x can't be negative? Then why is it that the x on the ...
*Sunday, October 14, 2012 at 12:50am*

**City College **

You're more likely to get expert help if you follow directions and post your School Subject in the appropriate box.
*Saturday, October 13, 2012 at 8:35pm*

**City College**

Galileo is riding on top of a horse that is gallop- ing at 11 ft/s due east. A minute into his ride, Galileo pulls a key out of his pocket, and holds it over the side of the horse. When he lets go, the key falls 3.0 ft vertically to the ground. a). How far has the horse ...
*Saturday, October 13, 2012 at 8:31pm*

**Oakton College**

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 in which you might use...
*Saturday, October 13, 2012 at 1:09pm*

**Statistics (Math)**

A government report looked at the amount borrowed for college by students who graduated in 2000 and had taken out student loans. The mean amount was = $ 17 , 776 and the standard deviation was s = $12,034. The quartiles were Q 1 = $9900, M = $15,532, and Q 3 = $22,500. The ...
*Saturday, October 13, 2012 at 3:27am*

**?**

All of our regular tutors are adults who have college degrees. Most of them also posted excellent answers regularly over the course of several weeks. However, anyone can post an answer.
*Friday, October 12, 2012 at 2:19pm*

**English1C**

How to write a fallacy essay . Write purpose of the article including name, title, author, and say if you think the article is strong or not . We live in a polarizing society, so perhaps it’s inevitable that our experience of inequality should be polarized, too. Josh ...
*Friday, October 12, 2012 at 7:00am*

**College Physics**

Assuming that accelerations is constant, Given: a=15 ms^-2, s=14.1 m Applying kinematics equation, v^2 = u^2 + 2as Find for u since v is 0, u= sqrt(2 x -15 x -14.1) = 20.78 Solve for t, s= ut + 0.5at^2 14.1= 20.78t + 0.5(15)t^2 //Solve quadratic eqn for t t= 0.564(Ans), -3.33(...
*Friday, October 12, 2012 at 5:56am*

**college geometry**

if triangle mnp approximate triangle srt with proportionality factor k, show that if ma and sb are altitudes of the given triangles, then ma = ksb in
*Thursday, October 11, 2012 at 10:47pm*

**Math**

Hudson is already 40 miles away from home on his drive back to college. He is driving 65 mi/hr. Write an equation that models the total distance d travelled after hours h. What is the graph of the equation. When Phil started his new job, he owed the company $65 for his ...
*Thursday, October 11, 2012 at 9:26pm*

**College Physics**

mg=Tsin α mv²/R=Tcos α mgR/ mv² = Tsin α/Tcos α gR/ v² =tan α gLcos α/ v² =tan α v=sqrt{ gLcos α/ tan α} =sqrt{9.8•0.8•cos20°/tan20°} = 4.5 m/s
*Thursday, October 11, 2012 at 7:16pm*

**College Physics**

If the rod has a measurable radius, it is a cylinder. The moment of inertia of cylinder about the axis passing through its center is I=mR²/2=mD²/8 = 5•10⁻⁴•0.3²/8 =…
*Thursday, October 11, 2012 at 6:57pm*

**College physics - Center of mass**

r(C) = Σ{r(i) •m(i)}/Σm(i) Assume the origin to be at the bottom left point and the mass of each part is ’m’ 1. X(C) ={ 0+(L/2)+L}m/3m = L/2 Y(C) = { (L/2) +0+(L/2)}m/3m = L/3 C= (L/2; L/3) = (0.075;0.05). 2. X(C) ={ 0+(L/2)}m/2m = L/4 Y(C) = { (L/2) +...
*Thursday, October 11, 2012 at 4:40pm*

**College Math**

just plug and chug, as I did in the previous post. What did you get?
*Thursday, October 11, 2012 at 3:18pm*

**College Math**

simplified (just a bit) x(5y-6z) + 3yz 3(-10+30) + 3(-2)(-5) = 90
*Thursday, October 11, 2012 at 3:17pm*

**College Math**

just write it algebraically: b = 3a b = c-110 a+b+c=180 a + 3a + (110+3a) = 180 7a = 70 a=10 b=30 c=140
*Thursday, October 11, 2012 at 3:14pm*

**College Math**

Simplify the algebraic expression 3z3 – 5x2 + 2 – 4y2 + 6x2 – 4z3 – 7y + 12 – 2x and evaluate it for x = -2, y = -3, z = -4. Identify the variables, constants, and coefficients in the simplified expression.
*Thursday, October 11, 2012 at 2:25pm*

**College Math**

Simplify the algebraic expression 3xz + 4xy – 2yz + xy + 5yz – 9xz and evaluate it for x = 3, y = -2, z = -5. Identify the variables, constants, and coefficients in the simplified expression.
*Thursday, October 11, 2012 at 2:25pm*

**College Math**

In a certain triangle the measure of one angle is triple the measure of a second angle but is 110 degrees less than the measure of the third angle. [The sum of the measures of three interior angles of a triangle is always 180 degrees.] What is the measure of each angle?
*Thursday, October 11, 2012 at 2:21pm*

**College physics - Center of mass**

Yes but how do we go about this. Let me show you what I did for l_l
*Thursday, October 11, 2012 at 12:08am*

**College physics - Center of mass**

1. On axis of symmetry midway between vertical wires and 0.05 m above bottom wire. 2. Along a 45 degree from the corner of the L. 0.0375 m to the right of and 0.0375 m above the corner. 3. At the center of the triangle. (The center of symnmetry where the angle bisectors ...
*Thursday, October 11, 2012 at 12:04am*

**College physics - Center of mass**

College Physics- Center of Mass? The objects in the figure below are constructed of uniform wire bent into the shapes shown (Figure 1) . Each peice has a length of 0.15 . There are two objects that we need to figure out the x- and y-coordinates of the center of mass of the ...
*Wednesday, October 10, 2012 at 11:39pm*

**College Physics**

College Physics- Inertia? Find the moment of inertia about each of the following axes for a rod that is 0.300 in diameter and 1.60 long, with a mass of 5.00×10−2 . How do you find this ? I know how to find the perpendicular and end . but this? About an axis along ...
*Wednesday, October 10, 2012 at 11:39pm*

**College Physics**

A 0.35 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 20° with the horizontal. Determine the speed of the stone. I've tried tan 20= gr/v^2 = (9.8)(.8)/v^2 = 4.7 m/s and that's not the correct answer (online ...
*Wednesday, October 10, 2012 at 9:40pm*

**College Chemistry**

) At a certain temperature a 2.00 L flask initially contained only 0.600 mol PCl3(g) and 0.0175 mol PCl5(g). After the system had reached equilibrium, 0.00400 mol Cl2(g) was found in the flask. Gaseous PCl5(g) decomposes according to the equation PCl5(g) ↔ PCl3(g) + Cl2(...
*Wednesday, October 10, 2012 at 8:43pm*

**College Chemistry**

) At a certain temperature a 2.00 L flask initially contained only 0.600 mol PCl3(g) and 0.0175 mol PCl5(g). After the system had reached equilibrium, 0.00400 mol Cl2(g) was found in the flask. Gaseous PCl5(g) decomposes according to the equation PCl5(g) ↔ PCl3(g) + Cl2(...
*Wednesday, October 10, 2012 at 8:41pm*

**English**

Find the word that means the same or almost in parenthesis in this story A range of factors (Motivated) immigrants to leave their homelands to come to America. Many sought to escape poverty or prejudice. Some wanted to follow dreams, such as promises of jobs, safe homes, or ...
*Wednesday, October 10, 2012 at 8:25pm*

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