Number of results: 2,884
A 0.5215 gram sample of CaCO3 is dissolved in 12M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask. How many moles of CaCO3 are used? What is the molarity of the Ca2+ in the 250 mL of solution? How many moles of Ca2+ ae in a 25.0 mL aliquot of the ...
Tuesday, April 28, 2009 at 10:53pm by saddee
Plot data, preform interpolations or extrapolations, determine slope of best line, determine y intercept. Write equation of the line. T in Kelvins40.0 70.0 100.0 120.0 0 V in ml 250.0 430.0 610.0 730.0 0 Value of V at T= 50.0? Value of T when V= 800.0? 1.So, I made a graph ...
Sunday, September 25, 2011 at 2:46pm by Connie
A sealed balloon is filled with 1.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 250. torr and the temperature is -27°C. What is the change in volume of the balloon as it ascends from 1.00 atm to a pressure of 250. torr?
Monday, November 21, 2011 at 9:17pm by Alice
Phosphorus pentachloride decomposes according to the chemical equation PCl5(g) -----> PCl3 (g)+ Cl2(g) Kc= 1.80 at 250 degrees C A 0.463 mol sample of PCl5(g) is injected into an empty 4.80 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and PCl3(g...
Friday, March 9, 2012 at 8:06pm by Sarah
The Department of Management Science at Tech has sampled 250 of its majors and compiled the following frequency distribution of grade point averages (on a 4.0 scale) for the previous semester. GPA Frequency 0-0.5 1 0.5-1.0 4 1.0-1.5 20 1.5-2.0 35 2.0-2.5 67 2.5-3.0 58 3.0-3.5 ...
Monday, May 16, 2011 at 8:26pm by Cassie
1) If exactly 100.0 grams of NaCl (mm=58.44g/mol) are dissolved in 300 grams of water (mm=18.02g/mol), the mole fraction of NaCl is? a) 1.71 b) 0.0932 c) 0.250 d) 0.103 e) 4.75 I did 100g / 100g + 300g = 100/40 = 0.250. Did I do this correctly?
Friday, February 10, 2012 at 11:59pm by Hannah
Phosphorus pentachloride decomposes according to the chemical equation PCl5(g) <-> PCl3(g)+Cl2(g) Kc=1.80 at 250 degrees Celsius A 0.222 mol sample of PCl5(g) is injected into an empty 3.25 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and ...
Sunday, March 3, 2013 at 6:13pm by J
Having trouble figuring out this problem. I'm supposed to write the inequality for this problem. Vijay wans to keep the cost per person of his party under $15. The Party Place charges a flat fee of $250 for an all inclusive party. Let g represent the number of guests, ...
Tuesday, April 30, 2013 at 6:11pm by Brandi
A plane flying horizontally at a constant velocity drops a bomb on a cave from a height of 500 m. At the moment the bomb hits the ground, the plane is A.) 250 meters beyond the cave B.) Directly over the cave C.) 250 meters from the cave D.) Some other wild guess
Wednesday, September 28, 2011 at 8:36pm by Amanda
1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a. What ...
Tuesday, March 16, 2010 at 12:59pm by sally
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a.What ...
Sunday, November 20, 2011 at 4:49pm by Avery
Joe weighs 30 lbs less than twice ken's weight. If ken gains 10 pounds then together they would weigh 250 pounds. How much does each of them weigh? let x be ken's weight. my work: 2x - 30 = j x+ 10 + J = 250 and now im stuck, can someone show me how to find their weight and ...
Sunday, June 2, 2013 at 3:33pm by Paige
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a)What ...
Thursday, May 22, 2008 at 8:21am by Anonymous
can you help me through this? A boat moves through a river at 7.0 m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 3.5 m/s, how long does it take the boat to make a round trip consisting of a 250 m displacement downstream ...
Sunday, November 7, 2010 at 6:29pm by Maria
1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. The first ...
Saturday, September 26, 2009 at 6:33pm by Anonymous
A vitamin C tablet containing 250 mg of ascorbic acid (C6H7O6; Ka = 8.0 x 10-5 is dissolved in a 250 mL glass of water. What is the pH of the solution? i tried answering this question multiple times but i still get it wrong.... can someone help? step-by-step please. what i did...
Tuesday, March 20, 2012 at 12:43am by Finding the pH of a weak acid?
please help me solve You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 ...
Monday, November 21, 2011 at 5:26pm by Lavern
A cylinder has a radius of 5 in. If the volume of the cylinder is 250ƒà in.3, what is the height of the cylinder? [Hint: The volume of a cylinder is given by V = ƒàr2h.] I think I wrote it wrong the first time. The volume of a cylinder is pi r^2 h. Your computer seems to be ...
Sunday, May 13, 2007 at 10:28pm by Dee
Schumacher Company uses the perpetual inventory system, and it engaged in the following transactions during 2012: 1) Started the business by issuing common stock for $7,500 cash 2) Paid cash to purchase $5,000 of inventory 3) Sold inventory that cost $3,000 for $7,250 cash 4) ...
Wednesday, March 7, 2012 at 2:03pm by Anonymous
The coordinates of point 1 are 250 units of X and 40 units of Y. The coordinates of point 2 are 250 units of X and 70 units of Y. The slope of the line between points 1 and 2 is what?
Wednesday, September 29, 2010 at 11:13pm by murelan
The US population 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The above formula for the US then becomes P(in millions) = 250 x 1(y - 1990)/66 (1) What will the population of the US be in 2025 if this ...
Friday, June 22, 2007 at 9:06pm by Diana
in 2000 one small town had 250 city employees. in 2005 it had 325 employees. A. use the coordinates (0,250) and (5,325) to find the equation in point slope form that represents the average rate of increase for the number of employees. B. find the number of employees in 2010
Thursday, July 5, 2012 at 10:07pm by chchch
Consider the following equilibrium: PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol of PCl5 are placed in a 10.0L flask at 250 C and allowed to come to equilibrium. What is the concentration, in M, of at equilibrium? Choose one ...
Friday, March 26, 2010 at 1:54pm by AMI
Robert recently was hired as a technician in the firm. He is being paid $1,250 every two weeks ( after taxes). His monthly bills are: Rent: $900 electricity: $110 car payment: $350 car insurance: $60 fuel for cars: $90 groceries: $180 credit cards: $250 Given Robert's expenses...
Thursday, August 30, 2012 at 11:14am by John
Mass of an aspirin tablet is 0.42g and contains 77.38% ASA by mass. I dissolved the tablet in hot naOH and cooled the solution with distilled water to the mark of 250 volumetric flask. Then I pipetted 5.0 mL of the solution to the 100 mL volumetric flask and I diluted it with ...
Wednesday, April 25, 2007 at 7:34pm by Brissa
PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol of PCl5 are placed in a 10.0L flask at 250 C and allowed to come to equilibrium. What is the concentration, in M,of cl2 of at equilibrium? Choose one answer. a. 3.4 b. 0.19 c. 0.16 d. 0...
Friday, March 26, 2010 at 8:43pm by ami
painting is purchased for $250. If the value of the painting doubles every 5 years, then its value is given by the function V(t) = 250 • 2t/5, where t is the number of years since it was purchased and V(t) is its value (in dollars) at that time. What is the value of the ...
Saturday, August 6, 2011 at 3:07pm by soka
Medical Billing and Coding
This is a 71-year-old female admitted with a complaint of right-sided weakness. She denies any fever, shortness of breath, cough, headaches, or chest pain. Patient has NIDDM, controlled by diet. Patient currently smokes. Mild right-sided paralysis was found on physical ...
Friday, November 1, 2013 at 1:45pm by Lisa
The brightness of sunlight at the earth's surface changes over time depending on whether the earth's atmosphere is more or less clear. Sunlight dimmed between 1960 and 1990. After 1990, air pollution dropped in industrial countries. Did sunlight brighten? Here are data and ...
Tuesday, September 6, 2011 at 1:07am by gandakho
how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions? well normally you go moles=grams/molar mass than M= moles/L but when looking for grams? what do you do........multiple .250 by .100 than divide by the molar mass of ...
Monday, December 13, 2010 at 8:05pm by STACY
A 1.00 L flask containing 450 torr of H2 is connected to and mixed with a second flask with a volume of 0.500 L containing 250 torr N2. What is the final pressure of the resulting mixed gas system? a) 250 torr b)383 torr c) 450 torr d) 575 torr e) it cannot be determined
Sunday, December 2, 2007 at 3:59pm by Matt
year 8 maths
Find the amount of the following foreign currencies (to 2 decimal places) that can be bought with 250 Singapore dollars. The sterling pound There is a chart and the pound sells at 2,552,0 for 1 Singapore dollar. The pound is bought at 2,578.0. I did 2,552.0 times 250 and got ...
Friday, December 11, 2009 at 9:20pm by Maria Chiara
STANDARD: Put into a clean 250 mL volumetric flask exactly ..... 0.90 ml of 1.00 mM iodate STANDARD. Add an excess of 1M KI and 1M Sulfuric Acid and let stand for 5 minutes. Dilute to volume. UNKNOWN: Pipet into a clean 250 mL volumetric flask 1.00 mL of your UNKNOWN and ...
Sunday, July 28, 2013 at 7:33pm by faruk
I am calculating inventory methods and wanted to see if anyone could double check my figures? See below weighted Average Date Transaction Units 1-Apr Purchase 250 Unit Cost Ext Cost 5-Apr Sold 10 $10.00 2500 10-Apr Sold 10 15-Apr Purchase 200 $15.00 3000 20-Apr Sold 250 25-Apr...
Tuesday, August 17, 2010 at 9:53am by Debbie
homeowener is considering refinancing his home. original amount of the 30 yr loan was 250,000 at 12% compounded monthly. The owner has made ten years of payments. how much is the remaining balance on the loan. this is what I gotL r=12%, m=12, i=12%/12=1%/month I have to find ...
Tuesday, April 21, 2009 at 6:38am by jen
The hemispherical tank shown is full of water. Given that water weighs 62.5 lb/ft3, find the work required to pump the water out of the tank. ---------- What is shown is just the tank (a hemisphere) with a radius of 5 ft. ---------- First I calculated the Volume of the ...
Sunday, June 17, 2007 at 5:47pm by COFFEE
Suppose a salt and a glucose solution are separated by a membrane that is permeable to water but not to the solutes. The NaCl solution has a concentration of 1.95 g per 250 mL (molecular weight = 58.5). The glucose solution has a concentration of 9.0 g per 250 mL (molecular ...
Saturday, May 14, 2011 at 10:46pm by ivy
A shop reduces al its 30% in a closing down scale. What is the original price of a television now priced at £175? Explain your working carefully. Do I do 175/ 100 x 30 = £53 £175 + £53 = £228 is the original price of the television. is this right?? You could set up a ...
Friday, June 8, 2007 at 5:32pm by sarah
What is your margin tax rate________ and what is your average tax rate_________? During the year you earned $48,000 after deductions and exceptions and paid $8,188 in taxes. Tax rate over up to 10% 0 8,350 15% 8,350 33,950 25% 33,950 82,250 28% 82,250 171,550 33% 171,550 372,...
Sunday, December 13, 2009 at 1:44am by Emma
Suppose Dell is currently selling 250,000 laptops per month. A mgr at Dell argues, "The last 10,000 laptops we producted increased our revenue by $8.5 million. However, because we are making a substantial total profit of $25 million from producting 250,000 laptops, I think we ...
Wednesday, January 23, 2008 at 10:02pm by Jamie
1. Terre Haute to Indianapolis to Bloomington measures 3 cm on the map. What is the actual distance? 100 km 150 km 200 km 250 km 2. Fort Wayne to Richmond to New Albany measures 6 cm on the map. What is the actual distance? (1 point) 300 km 250 km 350 km 400 km 3. If your ...
Friday, December 7, 2012 at 2:58pm by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!!
Juan Ramirez sells suits in a major department store on weekends. He earns a commission of 5 percent on the first ten suits, and if he sells more than ten, he earns an additional 3 percent on the additional suits. Last weekend Juan sold thirteen $250.00 suits. What was his ...
Thursday, December 5, 2013 at 1:30pm by Cassie
According to recent test data, an automobile travels 0.250 mi in 19.9 s, starting from rest. The same car, when braking from 60.0 mi/h on dry pavement, stops in 146 ft. Assume constant acceleration in each part of the motion, but not necessarily the same acceleration when ...
Wednesday, September 1, 2010 at 9:29pm by Ami
The monthly earnings of teachers is normally distributed with a mean of $3,000 and the standard deviation of $250. We select a sample of 87 teachers. The sampling distribution of the sample mean has an expected value and standard deviation of: a.) 3,000 and 26.8 b.) 3,000 and ...
Tuesday, May 3, 2011 at 9:03pm by Sara
Physics ( just need a lil help multiplying
Calculate the force of gravity between a 2.50 kg newborn baby and a 80.0 kg doctor standing 0.250 m away. G = 6.67 E -11 N*m2/kg2 My work Fg = (Gm1 Gm2) /d^2 m1=2.50 kg m2=80.0 kg d=0.250 m g=6.67 E -11 N*m2/kg2 Fg = (Gm1 Gm2) /d^2 Fg= g ( 2.50 kg)(80.0 kg)/0.250m^2 Fg= (6.67 ...
Friday, February 1, 2008 at 4:17pm by Bongo
An aspirin tablet weighing 0.548 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ...
Thursday, May 10, 2007 at 10:08pm by jared
In a hydraulic lift, if the radius of the smaller piston is 2 cm and the radius of the larger piston is 20 cm, what weight can the larger piston support when a force of 250 N is applied to the smaller piston? d = diameter of smaller piston D = diameter of larger piston I just ...
Monday, December 14, 2009 at 8:44am by Ian
The volume of each shape is 250 cubic inches. A) Find the height of a cylinder with a radius of 3 inches. 250/3^2/ 3.14 = height of cylinder? B)Find the radius of the sphere. Is it just 3 inches? C) Find the height of a cone with a radius of 3 inches. I need help with this can...
Wednesday, May 16, 2012 at 4:49pm by lila
Math Gr12 Advanced Functions
I am stuck on this one part of this question: The function S(d)=93(logd)+65 relates the speed of the wind S, in miles per hours, near the centre of a tornado to the distance that the tornado travels,d,in miles. If a tornado has sustained winds of about 250 mph, estimate the ...
Sunday, July 22, 2012 at 9:17am by Billy Bob
physical aspects of nature
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 250-N force is instead pulling the block at an ...
Thursday, March 15, 2012 at 9:33am by greg
1. Vector B is in the third quadrant, therefore its x and y components are negative. If B's direction is 218 degrees (counter clockwise from the positive x-axis) then which expression best describes B's x-component? 1. B*sin(38) 2. B*cos(38) 3. B*tan(38) 4. B*cos(218) 5. B*tan...
Monday, August 29, 2005 at 1:16am by Nisar
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ...
Friday, February 16, 2007 at 12:54pm by christine
A student was given 100mL of HCL solution in a 250mL beaker and told that the HCL was 0.11M. The student was also given phenolphthalein indicator and 250 ML of 0.1234 M NaOH. The student first filled a buret with NaOH solution. The student then placed an appropriate volume of ...
Thursday, November 21, 2013 at 4:28am by Lenny
The density of liquid water is 0.997 g/mL at 25 degrees Celsius. a) Calculate the mass of 250.o mL (about a cupful) of water. b) How many moles of water are in 250.0 mL of water? Use the result from letter a. c) Calculate the volume that would be occupied by 2.000 mol of water...
Tuesday, November 15, 2011 at 1:36am by khloe
The U.S. population in 1990 was approximately 250 million, and the average growth rate for the past 30 years gives a doubling time of 66 years. The above formula for the United States then becomes P (in millions)= 250 x 2( y-1990)/66 1.What was the approximate population of ...
Thursday, June 28, 2007 at 1:46pm by Angela
The mean earnings of four plumbers are 40,250, 45,250,63,600, 125,000 The owner of a plumbing business earns 125,000. Do you think the mean of all four plumbers earnings,which is 68,525, accurately represents what an average plumber earns? What do you think the average should be?
Monday, April 30, 2012 at 11:42am by Cherie
Looking for help with some of my stats homework, I got parts of it but then hit a brink wall. Any help would be welcome. A recruiter estimates that if you are hired to work for her company and you put in a full week at the commissioned sales representative position she is ...
Monday, November 1, 2010 at 8:24pm by Valerie
I got this of this web site but I don't understand where it all goes. this is the one I am working on. I need help. Part 1 BULLSEYE RANGES For Year Ended December 31, 2005 Unadjusted Trial Balance Adjustments Adjusted Trial Balance Account Title Dr. Cr. Dr. Cr. Dr. Cr. Cash 13...
Friday, June 10, 2011 at 6:05pm by shawna
Bayside Insurance offers two health plans. Under plan A, giselle would have to pay the first $190.00 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $250, but only 20% of the rest. For what amount of meidcal bills will plan B save Giselle ...
Thursday, September 2, 2010 at 6:40pm by Norma
Jordan decides to start a garden care service. He plans to charge $20 for the first hour and $10 for each additional hour that he spends working on a garden. He works 5 days a week and takes care of one different garden each day. How many hours will he need to work if he wants...
Friday, February 1, 2013 at 6:20pm by Deborah
Bayside insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $250, but only 20% of the rest. For what amount of mediacl bills will plan B save Giselle ...
Friday, January 15, 2010 at 6:29pm by Frank
Bayside Insurance offers two health plans. Under plan A Gisielle would pay the first $110 of her medical bills plus 30% of the rest. Under plan B, Gisielle would pay the first $250, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? ...
Friday, July 29, 2011 at 1:51pm by tara lee
are these correct
b. Calculate the profit or loss on 12,000 bags and on 25,000 bags. 12,000 x $10 = 120,000 80,000 + .10 x 50lbs x 12,000 = 80,000 + 60,000 = 140,000 120,000 – 140,000 = -20,000 loss 25,000 x $10 = 250,000 80,000 + .10 x 50lb x 25000 = 80,000 + 125000 = 205,000 250,000 – 205,000...
Thursday, July 30, 2009 at 1:33pm by scooby9132002
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN– was 0.00050 M, the equilibrium concentration of SCN...
Wednesday, April 4, 2007 at 9:45pm by Christine
I need help with Writing a Report Purpose: Preparing 0.2 M 250 ml NaOH solution? Equipments and Materials: Equipments: -Balance -Beaker(250ml) -Graduated cylinder Materials: -Pure water -NaOH Procedure: 1)Calculate the required amount of NaOH in gr. 2)Weight calculated amount ...
Friday, March 2, 2012 at 3:11pm by Rustam
Use the dilution relationship (Mi x Vi = Mf x Vf) to calculate the volume of 0.500 M NaOH needed to prepare 500 mL of .250 M NaOH. This is my work ? L Solution = 500mL x (1L/1000mL) = .500L ? mol NaOH = .500 L Solution x (0.250 M NaOH/1 L Solution) = .125 mol NaOH ? L solution...
Saturday, February 28, 2009 at 9:35pm by Bob
A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil. After cooling to room temperature, the solution was poured into a 250-mL volumetric flask and diluted to the mark with DI ...
Sunday, April 18, 2010 at 11:05pm by ChEm
chem biochem bio
You have the following stock solutions and solid chemicals in your lab: 1.5M NaCL 0.2M Tris buffer, pH 8.0 10 mg/ml Bovine serum albumin (BSA) MgCl2 (solid, anhydrous) MW = 95.211 g/mole (95% pure) How would you make 250 ml of the following solution??? 0.2M NaCl 0.05M Tris, pH...
Sunday, March 10, 2013 at 5:45pm by mel
a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. c) You want to study an organic molecule that is about 250 nm long using either a ...
Tuesday, April 5, 2011 at 6:21am by Jennifer
Radu has just returned from a business trip in Britain with £250 of uncashed traveller's cheques. How much would he receive from the bank when he converts the currency back to Canadian dollars, assuming that the bank offers an exchange rate of C$1.00 = £0.4470 and charges a 0....
Saturday, February 6, 2010 at 9:22pm by *Thara*
Create an application that determines the total due including sales tax and shipping. Allow the user to input any number of item prices. Sales tax of 7% is charged against the total purchases. Shipping charges can be determined from the following chart. Display an itemized ...
Sunday, August 11, 2013 at 11:17am by C#
Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in dollars) for a run of x hockey jerseys is C(x) = 2500 + 10x + 0.2^x2(0 ≤ x ≤ 250) Gymnast Clothing sells the jerseys at $105 each. Find the ...
Thursday, February 9, 2012 at 3:16pm by Anne
Bayside Insurance offers two health plans. Under plan A, Giselle would pay the first $150 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $250, but only 35% of the rest. For what amount of medical bills will plan B save Giselle money? ...
Friday, March 19, 2010 at 9:46pm by Kristen
1) Find the angle of depression from the top of a lighthouse 250 feet above water level to the water line of a ship 2 miles off shore. arc tan 10560/250 = 88.64 ft Is this correct? 2) A passenger is in an airplane flying at n altitude of 10 kilometers sees two towns directly ...
Thursday, February 18, 2010 at 3:22pm by Abby
Describe how you would make 250 mL of 0.500 M HCI
Describe how you would make 250 mL of 0.500 M HCI from 12.1 M HCI. Show calculations.
Monday, April 4, 2011 at 10:20pm by Anonymous
Heat Production (Animal Phy)
Assume that an animal consumes 200 ml of O2 in the course of metabolizing 250 mg of food. Determine the probable kind of food the animal has metabolized. How much heat has been produced? I determined the food type by dividing 200 by 250 to get 0.8 ml O2/mg, which is close to ...
Thursday, January 19, 2012 at 11:03am by CM
Saturday, August 30, 2008 at 7:07pm by emily w
250% of t is 50. What is t?
Tuesday, May 8, 2012 at 4:39pm by Taylor
3/7 of $250=
Tuesday, June 5, 2012 at 12:41pm by Shannon
How would I solve this problem? About what percent of the total population believed saying F to be true? The total population is 250,148,571.41 The population that believed saying F to be true is 136,800,000. How to calculate percent based on those given numbers?? Thanks What ...
Monday, December 14, 2009 at 8:54pm by Tiffany T
5 g vial
A 5 g igal reguires addinng 8.6 ml diluent to get concentration of 250 mg/ml. The powder volume is __ ml a.9.3 b.10.6 c.11.4 d.12.8 Does the powder form a solution or a colloid? IT makes a big difference. In solutions, the sum of the powder volume and the solvent volume seldom...
Monday, March 5, 2007 at 10:35pm by KUZAVA
A solution is made by adding 5.0 g Na2CO3 * 10H2O to enough water to make a 500 mL solution. what is the molarity. I have: M=mol solute/liter solution = (5/286)/.5 = .035M 286 is what i got for the molar mass of Na2CO3 * 10H2O Is that correct?? I think it is, but the next ...
Monday, May 3, 2010 at 7:46pm by Maggie
A ball (mass m = 250 g) on the end of an ideal string is moving in a circular motion as a conical pendulum. The length L of the string is 1.84 m and the angle with the vertical is 37 degrees. a) What is the magnitude of the torque (N m) exerted on the ball about the support ...
Wednesday, July 11, 2012 at 7:09pm by Joe
A ball (mass m = 250 g) on the end of an ideal string is moving in a circular motion as a conical pendulum. The length L of the string is 1.84 m and the angle with the vertical is 37 degrees. a) What is the magnitude of the torque (N m) exerted on the ball about the support ...
Wednesday, July 11, 2012 at 7:48pm by Joe
40.0 g of magnesium chloride (MgCl2) in 250.0 g of water at 22 °C.Calculate a) the vapor pressure of this solution, b) the freezing point, c) the boiling point. I know it is something like this, but I continue to get the incorrect answer. A) 40.og Mgcl2*(1mol mgcl2/ 95.2 mgcl2...
Thursday, May 23, 2013 at 1:03pm by Jasmine
lim (x^250-1)/(x-1) x->1
Tuesday, November 6, 2007 at 4:34pm by Melanie
Thursday, January 17, 2008 at 7:42pm by fa-eez
if 10=16,250 how much is 8=to
Friday, October 16, 2009 at 6:32am by fred
what is 15% of 250,000$
Saturday, November 7, 2009 at 11:52pm by christina
h(t) = -9.8t^2-10t + 250
Wednesday, May 4, 2011 at 3:24pm by carol
250 is 12% of what amount?
Saturday, July 28, 2012 at 1:24pm by Anonymous
what is 7% of 250,000
Thursday, February 28, 2013 at 2:41pm by Sue
How to multiple 250 x .25
Wednesday, April 10, 2013 at 8:51am by ken
QUESTION Consider an economy described by the following equations: Y=C+I+G Y=500 G=1,000 T=1,000 C=250+0.75(Y-T) I=1,000-50r a.In this economy, compute private saving, public saving, and national saving. b. Find the equilibrium interest rate. c. Now suppose that G rises to 1,...
Sunday, October 21, 2007 at 5:35pm by greg
model: firm return - risk free return = beta(market return - risk free return) hypothesis1: group1 & group2 have equal betas hypothesis2: group1 & group2 have equal variances if there are 500 observations (250 in group 1, 250 in group 2), what are the critical values for 1%, 5...
Sunday, November 9, 2008 at 3:15am by Aq
Write 1,250% as a decimal.
Saturday, February 2, 2008 at 6:33pm by greatdanelola
54x^3 +250 factor
Sunday, October 9, 2011 at 8:07pm by alex
if EF=9x+14, FG=56, and EG=250, find the value of x.
Sunday, November 27, 2011 at 5:21pm by Ryan
how do you graph c =40t+ 250
Wednesday, February 15, 2012 at 7:50pm by lizzie
what is 0.06% of 250? show me the problem
Monday, April 1, 2013 at 7:36am by doretha