Thursday
September 18, 2014

# Posts by Cc

Total # Posts: 216

science
I don't think there is an answer for that????
March 18, 2011

Algebra
I'm needing help with this. Thanks An individual can be classified by gender as male, female, by hair color as black, blonde, brown, red, unknown, and by eye color as black, brown, green. A) How many different classifications are possible (for example, female, with unknown...
February 1, 2011

geometry
Given Isosceles trapezoid ABCD. AB = 3x - 4 and CD = x + 12. Find AB. Isosceles trapezoid A B C D is drawn. 2 8 16 20
December 15, 2010

Algebra
An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2. So my question is what’s the difference between 2 - ...
December 12, 2010

physics
Before a collision, a 28 kg object is moving at +13 m/s. Find the impulse
December 11, 2010

if the ratio is 3:2 and length is 5 inches.what is the widith
December 10, 2010

Math
Three large barrels are transported on a railroad car by stacking the third one on top of the other two and using a tight metal band around all three to hold them together. If the outside diameter of each barrel is 3 feet, then what is the length of the metal band?
November 22, 2010

A company purchased an air conditioning system for \$10,200. Shipping charges on the system are \$875. Setup costs were \$1,250. The system is expected to last for 5yrs and has a residual value at \$2000. If I use the straight-line method to calculate depreciation for this air ...
November 2, 2010

english
I would then choose... The airplane was wrecked by the wind.
October 24, 2010

english
4. Which of the following sentences contains “passive voice?” (Points : 1) The airplane was wrecked by the wind. The wind wrecked the airplane. The cat chased the mouse. The bird flew after the balloon. a, b, c
October 24, 2010

calculus
Using a graphing utility, graph and approximate the zeros and their multiplicity. A.x=0,multiplicity 2;x=7,multiplicity 3 B. x=0,multiplicity 2; x=7,multiplicity 1; x=-7, multiplicity 2 C. x=0,multiplicity 3;x=0,multiplicity 2 D.x=0,multiplicity 3;x=-7, multiplicity 2 E.x=0,...
September 20, 2010

N/A
I'm just needing a question to be ask: If you were head of health informaton management department at a hosptial later an FBI agent came to you with a search warrant and place it in your hand. And he ask to speak with you about the hopital's health records. How should ...
May 20, 2010

Legal and Ethical Aspects of Health Information
Describe the theories that could support a lawsuit under these circumstances: A surgeon performs elective surgery on a patient. The patient later complains to the surgeon about the pains resulting from the surgery. The surgeon dismisses his complaints an not credible and ...
May 8, 2010

Biology
A friend tells you that because he has just recovered from a cold, he now cannot get the flu. Is your friend right? Explain your answer.
May 5, 2010

Biology
In many cases, not all of Koch's postulates can be applied to determine the cause of a human disease. Explain why.
May 4, 2010

Legal and Ethical Aspects of Health Information
Write a 200 word paper on the three executive offices which most frequently affect the Health Information profession. What do they mean by three executive offices which most frequently affect the Health Information profession. I do not understand can you help me. Thank you
April 25, 2010

chemistry
at what temperature does 16.3 g of nitrogen gas have a pressure of 1.25 atm in a 25.0 - L tank?
April 12, 2010

chemistry
an air bubble is released at the bottom of a lake where the temperature is 4 celsius and the pressure is 3.40 atm. if the bubble was 10.0 ml to start, what well its volume be at the surface, where the water temperature is 12 celsius and the pressure is 103 kpa?
April 12, 2010

yes decripit means old, run down, dlapidated, etc...
April 5, 2010

algebra
child is now 3 years old - dad opens account with \$10,000 it earns 4.5% annual intrest. a) construct formula (A(t)=Ao(a)^t) b) how much money will be in account when he is 10 years old c) if dad wants account to grow to 100,000 when he is 18 then what should original amount to be
April 5, 2010

algebra
a quanity increases by 6.50% every 3 months. by what percent does it increase.. one month?? one year??
April 5, 2010

algebra
exponential formula (y=c(a)^x) fill in blanks x y 0 ? 5 40 9 1200 15 ?
April 5, 2010

algebra
a given graph pases through points (18,25) and (19,100) a) compute delta x b) assume graph is linear and find slope c) assume its exponential and find growth factor
April 5, 2010

Chem
I know that is a diprotic acid and you do ICE and compare with each Ka value but I am not sure if I am setting it up the right way or doing the correct thing.
April 1, 2010

Chem
What is the PH of 0.0100M H2SO4?
April 1, 2010

Chem
so it would be Q<K so it would shift from left to right
March 24, 2010

Chem
Which direction will the following reaction in a 5.0 L flask proceed if Qp = 0.013? 2H2O(g) = 2H2(g) + O2(g) Kp = 1.6 x 10-5 Choose one answer. a. to the right because Q > Kp b. to the left because Q > Kp c. to the right because Q < Kp d. to the left because Q < Kp...
March 24, 2010

Chem
Kc=[HI]^2/[H2][I2] 54=(2x-0.3)^2/[X][X] THEN I GET: 54=4X-0.09/[X]^2 SO SQAURE ROOT IT THEN I GET 7.348*(x-x) =2X-0.3 7.4348X-7.348X=2X-0.3 tHEN i GET STUCK BECAUSE i DONT KNWO IF THE VARIABLES x-x is suppose to be here? because when I calculate my answers dont add up to any ...
March 23, 2010

Chem
Kc=[HI]^2/[H2][I2] 54=(2x-0.3)^2/[X][X] THEN I GET: 54=4X-0.09/[X]^2 SO SQAURE ROOT IT THEN I GET 7.348*(x-x) =2X-0.3 7.4348X-7.348X=2X-0.3 tHEN i GET STUCK BECAUSE i DONT KNWO IF THE VARIABLES x-x is suppose to be here? because when I calculate my answers dont add up to any ...
March 23, 2010

Chem
I have a question on this question would I forgo the sqaure root on this on because there is no sqaure except on the products side which is 2HI? I am lost because I set up ICE then got to: 54=(4X-0.09)^2/x*x Kc=[HI]^2/[x][x] At a particular temperature, Kc = 54 for the ...
March 23, 2010

Chem
I CALCULATED IT OUT TO Q = 1.80*10^3 SO IT WAS A RIGHT SHIFT FORWARD BC Q<K meaning that substances on left react to form substances on the left to reach eq... SO I GOT B as the answer IS THAT CORRECT????
March 22, 2010

Chem
A mixture is prepared with [CO] = 0.035, [Cl2] = 0.015, and [COCl2] = 0.95. It is known that Kc for the equilibrium is 1.2 x 10-3 at 400OC. Predict what will happen. Choose one answer. a. The reaction is at equilibrium so no net reaction occurs. b. The reaction occurs in the ...
March 22, 2010

Chem
At a particular temperature, Kc = 54 for the reaction H2(g) + I2 (g) <=> 2 HI(g). One mole of HI is placed in a 3.0-L container. What would be the equilibrium concentration of HI?
March 22, 2010

Chem
H2 + I2 = 2HI I 1.0/5.0 1.0/5.0 0 C -x -x 2x E 0.2-x 0.2-x 2x 54= [HI]^2/[H2]*[I] 54=2x^2/(0.2-x)(0.2-x) need to solve for x then would I take square root of both sides to get rid of the squares? Then I get stuck at 7.348= 4x/0.2-x I dont know where else to go from here and ...
March 22, 2010

Chem
At a particular temperature, Kc = 54 for the reaction If 1.0 mole of H2 and 1.0 mole of I2 are placed in a 5.0 L container, what would be the equilibrium concentration of HI?
March 22, 2010

chemistry
The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of the solution is 1.3 g/ml.
March 9, 2010

chemistry
A solution is prepared by dissolving 15.0 g of NH3 in 250.g of water. The density of the resulting solution is 0.974 g/ml. The mole fraction of NH3 in the solution is?
March 5, 2010

math
if given ..,. y=4x^-4 if x triples what happens to y?
February 22, 2010

math
if given y=6x^4 if x doubles what happens tp y?
February 22, 2010

college
its a "hookes law" spring when its stretched
February 22, 2010

why did the romans add volcanos to the fire that vulcan (roman god) can control
February 18, 2010

chemistry
A colloid is the dividing line between solutions and heterogenous mixtures. What is the exact particle size of a colloid compared to the exact particle size of a solution. A. over 1000nm compared to 0.1-1nm B. 1-1000nm compared to 0.01-1nm C. 0.10-1nm compared to 1-1000nm D. ...
February 13, 2010

Chemistry
Which of the solutions has the greatest osmotic pressure? Choose one answer. a. 10.0 g glucose in 1.00 L at 298 K b. 10.0 g glucose in 1.00 L at 303 K c. 10.0 g glucose in 0.500 L at 298 K d. 5.0 g glucose in 1.00 L at 298 K
February 11, 2010

Chemistry
I got it its 950 g
February 10, 2010

Chemistry
how would I find the mass of something from the molality..... How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?
February 10, 2010

chemistry
How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?
February 10, 2010

Chemistry
A 6.00 M H2SO4 solution has d = 1.34 g/mL. What is the mass percent of H2SO4 in this solution? Choose one answer. a. 56.1 b. 43.9 c. 37.0 d. 58.8 When we calculated yesterday the answer was not B. 43.9....I got it wrong and dont know why if the math was correct and I followed ...
February 10, 2010

Chemistry
3.10g/ml *1mole Br/79.0g =0.039 mol/ml 0.039mol/ml * 2.00ml =0.0784 mol 1.05 g/ml * 1mol/60g = 0.0175 mol/ml * 125 ml =2.18 mole I dont know where I am going wrong becaus ethe answers are not same????????
February 10, 2010

Chemistry
What is the molality of a solution prepared by dissolving 2.00 mL of bromine (d = 3.103 g/mL) in 125 mL acelic acid, HC2H3O2 (d = 1.05 g/mL) Choose one answer. a. 0.301 b. 0.335 c. 0.296 d. 0.593
February 10, 2010

chemistry
I thought it was b. solid dissolves in the solution because in dynamic equil I thought that the excess ionic solute pass thru the solution continuously as htdrated ions are deposited on surface of solute So the solid I though would dissolve in solution and add to solution.
February 10, 2010

chemistry
Which of the following is not true in a dynamic equillibrium describing a saturated solution? Choose one answer. a. solid crystalizes from solution b. solid dissolves in the solution c. concentration of dissolved solute remain constant d. rate of dissolving is double the rate ...
February 10, 2010

Chemistry
Calculate the molality of methanol in a solution prepared by dissolving 75.0 mL of methanol, CH3OH (d = 0.791 g/mL), in 150 g of ethanol, C2H5OH.
February 10, 2010

Chemistry
What is the mass percentage of 55.0 g of KCl in 125 g of water?
February 10, 2010

Chemistry
still not making sense because answers are a. 30.0 b. 35.3 c. 15.0 d. 28.9
February 10, 2010

Chemistry
200. g of a solvent is available, how many grams of a solute should be weighed out to make a 15.0% solution by mass?
February 10, 2010

chemistry
Calculate the molarity of a solution containing 40.0 g glucose (C6H12O6) in enough ethanol (C2H5OH) to make 40.0 mL of solution.
February 10, 2010

chemistry
A 0.750 g sample of an unknown substance is dissolved in 20.0 g of benzene, C6H6. The freezing point of the solution is 4.53 oC. Calculate the molar mass of the substance. The normal freezing point for benzene is 5.53 oC and Kf is 5.12 oC/m.
February 9, 2010

chemistry
A 0.750 g sample of an unknown substance is dissolved in 20.0 g of benzene, C6H6. The freezing point of the solution is 4.53 oC. Calculate the molar mass of the substance. The normal freezing point for benzene is 5.53 oC and Kf is 5.12 oC/m.
February 9, 2010

Chemistry
From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.
February 9, 2010

CHM
From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.
February 9, 2010

chemistry
A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution
February 9, 2010

Chemistry
A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution
February 9, 2010

Chemistry
Thanks so much I just found this site and it is helping me more than ever...
February 9, 2010

Chemistry
A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution?
February 9, 2010

chemistry
thanks it was correct!
February 9, 2010

chemistry
A 6.00 M H2SO4 solution has d = 1.34 g/mL. What is the mass percent of H2SO4 in this solution?
February 9, 2010

economics
According to the “guns and butter” example, if a country decides to spend more on military goods, which of the following will happen?
January 11, 2010

economics
the calculation of GDP would include?
January 11, 2010

Health Information Technology
Thank You Writeacher
December 12, 2009

Health Information Technology
I need help with this problem I can not figure this out I had came up with five different answers and I really would like to get the correct answer. Memorial Hospital currently has 1,850 linear filing inches used. It is projected that over the next 5 to 8 years an additional ...
December 12, 2009

ecology
what is the type of ecological relationship that can involve either memebers of the same or different species and in which both participants are harmed?
December 9, 2009

Economics
Which of the following is NOT a reason for unequal income distribution? education location discrimination size of family I want to say location, but I'm not 100% sure
September 20, 2009

math
-2.378 is it a rational or irrational
September 2, 2009

math
Thanks MathMate, boy looks like i was way off. thanks for the help cc
August 22, 2009

math
how many rectangles are there on a chess board? i've tried twice and got 168 is this right? my friend said i'm way short. any help would be much appreciated. thank you
August 22, 2009

SCI 275
Atmospheric Issues
July 22, 2009

SCI 275
The Population Size explain the four factors that produce changes in population size. Which factors are affecting the population size in the video? What do you predict will happen to the nutria population ater all the land is depleted of the nutrias' food resource?
July 13, 2009

Thats funny...im in 7th grade and im in algebra 1...anyway...why do u need help with this??? its simple exponents and division...
April 28, 2009

Physics
Thanks. This is what I thought but again the answer in my book was incorrect. So frustrating.
April 1, 2009

Physics
If the co-efficient of static friction for a 5 kg rubber block is 0.3 how much more force is required to lift the block than to start it sliding? I worked out force to get it sliding is 14.7 N (5*9.8*.3) but not sure about the upward force to lift it.
April 1, 2009

Physics
Yes, that's my answer too. Incorrect answers at the back of the book drive me crazy! thanks for confirming!
March 31, 2009

Physics
The co-efficient for static friction for a 5 kg box on a floor is .72. How much force if required to start the box sliding? I worked it as follows: Force of friction=Force normal * co-effic. of friction which is .72*5*9.8=35.28 but answer in back of my book says this is wrong...
March 31, 2009

Algebra
since you need to solve the system of equations by substitution, solve the first equation for x by subtracting 4y from both sides. You will get x = -5 - 4y. Next substitute this expression into the x of the 2nd equation to get 3(-5 - 4y)- 8y =45 Now use the distributive ...
February 27, 2009

math
how do you write 2 3/8 as a percentage/
December 16, 2008

Math
00001, 00011, 00101, ?, 01001 1,3,5,?,9 ? = 00111 This is Binary code converted to decimals
December 16, 2008

FRENCH
How does one translate "that will be fun" into French? Thank you!
November 15, 2008

history
US West, Era of Andrew Jackson
November 11, 2008

history
why did the aristocracy of the West have greater faith in the common man?
November 11, 2008

philosophy
is the world dominated by money?
October 20, 2008

Math
-10<-2+8<22
September 2, 2008

sose
why does farming take alot of water?
May 22, 2008

SCIENCE
I NEED A HYPOTHESIS A LANDOWNER COULD TEST TO PROVIDE EVIDENCE TO HELP DECIDE WHAT ACTIONS COULD BE TAKEN TO REDUCE EROSION ON A STEEP HILLSIDE?
April 1, 2008

pigskin geography
well said.
September 19, 2007

June 10, 2007

science
oky i have to make a tornadod simulator but what can i make it out of http://www.facethewind.com/tornsim/tornsim.html has some good suggstions
March 23, 2007

chem.
if gas is \$4.20 a liter, how much will it cost to fill a 14-gallon tank? conversion factor: \$4.20L 1.06qt 1gal ______x________x______ 1 1L 4qt i have no clue how to set it up. i'm confused. <font color=blue>nevermind about the problem. good night.</font> You ...
January 18, 2007

random
what kind of website is this? what is jiskha? Jiskha is the name given to the site by the man who runs the show here. His name is Leo. This is a help site with the emphasis on help. We try to help students do their homework. But we like to see what the student can do, then we ...
January 18, 2007

chemistry
question: "If gas is \$1.20 per gallon, how much would it cost to fill a 50-liter tank?" using conversion factor. 1 L = 1.056 quarts. 4 quarts = 1 gallon. Convert 50 L to gallons and multiply by 1.20/gallon. Let me know if this is sufficient. I think I got it. Thanks.
January 18, 2007

Help!
I don't know What United States did for genocide of darfur. Please tell me about it too. I know some site, so please give me some comment of that answer.
January 2, 2007

Help
Tell me how AU, DLF, JEM, SLA, SLM, SPLA and UNSC assist the victims of Genocide of Darfur. Simply answer is fine. So please someone teach me how they were helped geonocide of Darfur. I already got some site. So I just make sure how they did.
January 2, 2007

Pages: <<Prev | 1 | 2 | 3 | Next>>

Search
Members