1. chemistry

    An experiment in your laboratory requires 500 mL of a .0200 M solution of Na2CO3. You are given solid Na2CO3, distilled water and a 500 mL volumetric flask Describe how to prepare the required solution showing all calculations and describing each step

    asked by Jennifer on November 15, 2011
  2. Chemistry

    4.80 dm^3 of chlorine gas was reacted with NaOH solution. a) how many moles of Cl2 reacted b) what mass of NaOCl was formed? c) if the concentration of the NaOH was 2.00 mol/dm^3. What volume of sodium hydroxide solution was required? d) write an ionic

    asked by Gary on July 12, 2016
  3. Chemisty

    Before solving the problem write a balanced chemical equation Excess aqueous NaI was added to 50 mL of aqueous CuNO3 solution, and 14.2 g of CuI precipitate was formed. What was the molar concentration of CuNO3 in the original solution? Answer in units of

    asked by Nick on April 12, 2013
  4. Chemistry

    A protein subunit from an enzyme is part of a research study and needs to be characterized. A total of 0.135g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 ∘C the osmotic pressure produced by the solution was 0.138

    asked by Al on June 27, 2014
  5. chemistry

    2Na3PO4(aq)+3 Ba(NO3)2(aq)---->Ba3(PO4)2(s)+6NaNO3(aq) a solution containing 3.50g of Na3PO4 is mixed with a solution containing 6.40g of Ba(NO3)2 how many grams of product can be formed? and if the above reaction resulted in 3.659 g of white powder, what

    asked by mckayla on November 17, 2011
  6. chemistry

    0.550g sample containing only nacl and kbr.it dissolved in water and titrated with a 0.0322M solution of agno3. complete titration of both halides was found to require 30.45ml of agno3 solution. calculate the weight percent of cl in the solid sample.

    asked by jacque on March 27, 2009
  7. Chemistry ammonia gas

    In an experiment i had a test tube with Ca(NO3)2 solution in it and I added NaOH and a piece of aluminium. After carefully heating the solution ammonia gas was formed Can you help me write the equation for the reaction? I don't know the other products just

    asked by Marysia on October 29, 2008
  8. Physical Science

    24. What happens when a solution of nitric acid (HNO3) is added to a solution of potassium hydroxide (KOH)? What are the products? 25. Which of the following compounds can react with H2SO4 to form a salt: NaCl, Ca(OH)2, HF, AlCl3, H2O, Mg(OH)2? Name the

    asked by Alexandra on October 15, 2013
  9. chemistry

    in the preparation of the standard curve for protein analysis, 50mg BSA(bovine serum albumin) dissolved in water to a final volume of 5ml was used as stock solution.What is the weight of BSA in 0.1ml of stock solution? in 0.2ml?

    asked by jen on August 26, 2018
  10. chemistry

    Can Anyone Help Me With This Solubility Problem? An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl- and 0.250 M I-. b) When the second ion begins to precipitate, what is the remaining concentration of

    asked by anonymous on April 21, 2010
  11. chemistry

    A solution of HClO4 was standardized by dissolving 0.4125 g of primary standard grade HgO ina solution of KBR: HgO (s) + 4Br- + H2O → HgBr4 + 2OH- The liberated OH- consumed 46.51 mL of the acid. calculate the molarity of the HClO4

    asked by nthabi on August 27, 2014
  12. Chemistry

    If 31.00 mL of a dilute solution of lime water (calcium hydroxide) required 10.10 mL of 0.246 M hydrochloric acid solution for neutralization to a methyl red end point, calculate the molarity of the lime water. Can you please explain how to do it? Do I use

    asked by Lara on April 2, 2011
  13. Chemistry

    Air in the vicinity of a local power station contains 8.8x10^-4 gm^-3 SO2. What volume of 0.001moldm^-3 Iodine solution would be required to react with a solution obtained from 200dm^3 of contaminated air? The equation given is SO2 + I2 + 2H2O ==> H2SO4 +

    asked by Matt on January 26, 2013
  14. Physics - solar power in space

    Hi, this requires some basic knowledge of astrophysics. I missed last lecture that covered this, so though I'd prefer thorough solutions to these problems, I'd appreciate it even if you could tell me which formulas to use to solve each part of the problem.

    asked by Mark on March 4, 2009
  15. bio

    Manjula is hospitalized for cardiac problems. Somehow, medical orders are mixed up and he is given a K+-enhanced IV solution meant for another patient. Manjula¡¯s potassium levels are normal before the IV is administered. What do you think will happen to

    asked by qin on April 27, 2010
  16. Physics Please Help

    A point charge of charge 1 mC and mass 100 g is attached to a non-conducting massless rod of length 10 cm. The other end of the rod is attached to a two-dimensional sheet with uniform charge density σ and the rod is free to rotate. The sheet is parallel

    asked by Mathslover on May 18, 2013
  17. Chemistry

    You wish to prepare 0.18 M HNO3 from a stock solution of nitric acid that is 18.9 M. How many milliliters of the stock solution do you require to make up 1.00 L of 0.18 M HNO3?

    asked by Brittany on October 1, 2008
  18. chemistry

    saline solution mass is 53.0 at 4 degrees equal volume of water, same temp had a mass 51.5g what is the density of the saline solution?

    asked by kaela on May 14, 2015
  19. Chem.

    I need a 64% solution of ammonium chloride. I have 99% ammonium chloride powder. How many grams of the NH4CL do i need to add to 500 ml of water to get the 64% solution?

    asked by John on June 20, 2013
  20. high school chem

    How many grams of a stock solution that is 92.5 percent h2s04 by mass would be needed to make 250 grams of a 35% by mass solution?

    asked by Kayla on March 9, 2011
  21. chemistry

    The osmotic pressure of a solution containing 5.00 mg of an unknown protein per 10 mL of solution was 2.73 torr at 25 °C. Find the molar mass of the unknown protein.

    asked by lily on September 10, 2011
  22. Gen chem 1

    According to the following reaction, what volume of 0.25 M CaCl2 solution is required to react exactly with 50.0 mL of 0.20 M Pb(NO3)2 solution? CaCl2(aq) + Pb(NO3) (aq)- PbCl2(s) + 2 KNO3(aq).

    asked by jenni on March 11, 2013
  23. chemistry

    If 33.0 mL of 0.002 M aqueous H3PO4 is required to neutralize 28.0 mL of an aqueous solution of NaOH, determine the molarity of the NaOH solution.

    asked by Anonymous on April 22, 2012
  24. calculus

    verify that y=c/x^2 is a general solution of the differential equation y'+(2/x) y=0-6y=0 then find a particular solution of the differential equation that satisfies the side condition y(1)=2

    asked by mari on April 10, 2012
  25. Chemistry

    If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the KOH solution?

    asked by Tina on May 23, 2011
  26. chemistry

    At 25 degrees Celsius the Ka for a 0.120 mol/L solution of acetic acid (HC2H3O2 ) is 1.8 X 10-5. determine the pH of the acetic acid solution

    asked by kneLl on November 15, 2010
  27. chemistry

    The density of a 60% (m/m) ethanol solution 0.8937g/ml , calculate the molarity of the solution , step by step . Molar mass of ethanol = 46.07

    asked by kaksha on July 29, 2013
  28. Chemistry

    10 mL of 0.1 HCl was added to 9mL of water. 10 mL of that solution was added to another 90 mL of water. The student diluted the sample as above 1 time(s). What is the pH of the solution?

    asked by Keyatta on April 7, 2014
  29. CHEMMMM

    a solution is 0.10M in free NH3, 0.10M in NH4Cl, and 0.015M in [cu(NH3)4]. Will Cu(OH)2 (s) precipitate from this solution? Ksp of Cu(OH)2 is 2.2810^-20

    asked by Jasleen on April 18, 2009
  30. chemistry

    A beaker contains 250.0 mL of a 1.00 M HCl solution. How many moles of the acid would remain in the solution after 0.199 moles of HCl are neutralized?

    asked by Jerry on June 13, 2010
  31. Math

    Solve the inequality and express the solution in terms of intervals: x-2/3x+5 ≤ 4 This is how I did it: x-2/3x+5 - 4(3x+5) ≤ 0 x-2-12x-20/3x+5 ≤ 0 -11(x+2)/3x+5 ≤ 0 Can you please tell me if the answer is right and if so then how do we express the

    asked by Mike on September 1, 2015
  32. chem

    If 5wt% of silver nitrate solution is required, determine how many grams of silver nitrate is need for an aqueous solution of 100ml.

    asked by XiaoHan on July 8, 2015
  33. Chemistry

    The solubility of Mg(OH)2 in a particular buffer solution is 0.63g/L .What must be the pH of the buffer solution? I am unsure of where to start since this is the first solubility problem that I've done that has included the density.

    asked by Arianna on March 16, 2012
  34. APC Chemistry

    Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify both Fe2+ and Fe3+ in this solution?

    asked by Anonymous on September 29, 2010
  35. algebra

    Which has a Unique solution, No solution, or infinitely many solutions? 1. 2X + 3 = 9 2. 9X+ 2 = 9X+ 2 3. (1/2X+3) = (1/3x+9) 4. (x+2)(x+3) = x*x (x squared) + 5x + 6 5. 2(2x+3) = 4x+6 my guess is 1. unique 2. no 3. unique 4. unique 5. infinite 6. infinte

    asked by Pam on September 16, 2010
  36. CNSC

    A radiator contains 25 quarts of a water and anti-freeze, of which 60% is antifreeze. How much if this solution should be drained and replaced with water for the new solution to be 40% antifreeze?

    asked by Nichelle on August 24, 2015
  37. AP Chemistry

    A solution of AgI contains 1.2 mol/L Ag+. Ksp of AgI is 8.3×10^17. What is the maximum I− concentration that can exist in this solution? Answer in units of mol/L

    asked by Gabriella on January 8, 2014
  38. chemistry

    An aqueous solution of cobalt(II) nitrate has a concentration of 0.471 molal. The percent by mass of cobalt(II) nitrate in the solution is %.

    asked by jb on August 21, 2014
  39. chemistry

    A buffer solution is made by dissolving 0.45 moles of a weak acid (HA) and 0.13 moles of KOH into 760 mL of solution. What is the pH of this buffer? Ka = 3.3 × 10−6 for HA.

    asked by kc on February 2, 2015
  40. SCIENCE

    A nitric acid solution at 25% by weight has a density of 1.21 KG / L Calculate the volume needed to be taken to obtain 2 L of a 2.5 M solution of nitric acid

    asked by ATTILIA on February 17, 2016
  41. ap chemistry

    A buffer solution is made by dissolving 0.45 moles of a weak acid (HA) and 0.23 moles of KOH into 680 mL of solution. What is the pH of this buffer? Ka = 2.4×10−6 for HA.

    asked by gabriella on February 4, 2014
  42. Chemistry

    About 13% of the acid in a 0.10M solution of a weak acid dissociates to form ions. What is the H3O+ concentration? What is the OH- concentration? What is the pH of the solution?

    asked by Sara on July 18, 2012
  43. Chemistry

    What is the concentration of a solution of sodium hydroxide if I mix 15.0g of sodium hydroxide with enough water to make 500.0ml of solution?

    asked by Tom on July 13, 2018
  44. MATH

    Pewee adds two liters of pure alcohol to a 30% solution of alcohol in water. If the new concentration is 40%, how many liters of the original solution were there?

    asked by Veronica on May 26, 2010
  45. Chemistry

    100g of a saturated solution of KNO3 was cooled from 80 degrees to 50 degrees. What mass of KNO3 would be expected to crystallise out of the solution?

    asked by Ally on July 28, 2014
  46. uitm

    Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What is the molarity of this solution? (Assume a density of 1.01 g/mL.)

    asked by jan on July 27, 2013
  47. Molarity

    A 44.8−mL sample of a 7.0M KNO3 solution is diluted to 1.10L What volume of the diluted solution contains 16.0g of KNO3? Would I do the same thing for this one or would does it have an extra step it it.

    asked by Chemistry on April 19, 2015
  48. Chemistry

    A student intend to prepare 200ml of 0.3M NaCl solution . The mass in gram of NaCl needed to prepare solution is ?!

    asked by Mariam on April 20, 2014
  49. Math Exam Tuesday

    My friend swears by your site so I thought I'd confirm some of my more difficult answers for my math practice exam. Is the solution set for 8^x = 16^ x+2 is it -2? Next is the solution set for log subscript 5 (2x + 3) = 2 is the answer 7/2? Lastly is the

    asked by Sara L. on January 13, 2007
  50. Chemistry

    Earlier I asked /display.cgi?id=1412727782 (tyvm btw) Say you have these A, B, and C solutions. Now you have an unknown colorless solution that contains either NaA, NaB, or NaC. In solution, each salt dissociates completely into the Na+ ion and the anion

    asked by Gg on October 7, 2014
  51. chemistry

    In a constant-pressure calorimeter, 65.0 mL of 0.330 M Ba(OH)2 was added to 65.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 21.91 °C to 26.41 °C. If the solution has the same density and specific heat as water,

    asked by rock on February 20, 2015
  52. chemstry

    In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH)2 was added to 50.0 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 23.69 °C to 28.32 °C. If the solution has the same density and specific heat as water,

    asked by cassie on June 21, 2012
  53. Chemistry

    In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH)2 was added to 60.0 mL of 0.620 M HCl. The reaction caused the temperature of the solution to rise from 22.19 °C to 26.41 °C. If the solution has the same density and specific heat as water,

    asked by Kylee on October 26, 2014
  54. CHEMistry

    A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/K. The observed increase in temperature is 21.1 K at a constant

    asked by HELP on March 27, 2013
  55. Chemistry

    In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH)2 was added to 50.0 mL of 0.640 M HCl. The reaction caused the temperature of the solution to rise from 21.80 °C to 26.16 °C. If the solution has the same density and specific heat as water,

    asked by Jay on January 10, 2015
  56. Chemistry

    In a constant-pressure calorimeter, 60.0 mL of 0.320 M Ba(OH)2 was added to 60.0 mL of 0.640 M HCl. The reaction caused the temperature of the solution to rise from 23.24 °C to 27.60 °C. If the solution has the same density and specific heat as water,

    asked by Blaire on February 26, 2013
  57. Chemistry

    In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH)2 was added to 50.0 mL of 0.640 M HCl. The reaction caused the temperature of the solution to rise from 23.47 °C to 27.83 °C. If the solution has the same density and specific heat as water,

    asked by Ag10 on November 28, 2012
  58. Science

    In a constant-pressure calorimeter, 70.0 mL of 0.330 M Ba(OH)2 was added to 70.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 21.27 °C to 25.77 °C. If the solution has the same density and specific heat as water,

    asked by Marika on October 10, 2012
  59. CHEM

    In a constant-pressure calorimeter, 60.0 mL of 0.340 M Ba(OH)2 was added to 60.0 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 24.07 °C to 28.70 °C. If the solution has the same density and specific heat as water,

    asked by Akle on February 10, 2012
  60. chemistry

    In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH)2 was added to 60.0 mL of 0.620 M HCl. The reaction caused the temperature of the solution to rise from 23.44 °C to 27.66 °C. If the solution has the same density and specific heat as water,

    asked by meg on February 23, 2015
  61. chemistry

    In a constant-pressure calorimeter, 55.0 mL of 0.310 M Ba(OH)2 was added to 55.0 mL of 0.620 M HCl. The reaction caused the temperature of the solution to rise from 22.23 °C to 26.45 °C. If the solution has the same density and specific heat as water,

    asked by Haley on November 19, 2014
  62. chemistry

    A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter. The total heat capacity of the calorimeter and solution is 448 J/°C. The observed increase in temperature is 21.1 °C at a constant

    asked by brianna on October 27, 2013
  63. Chemistry

    In a constant-pressure calorimeter, 65.0 mL of 0.330 M Ba(OH)2 was added to 65.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 24.28 °C to 28.78 °C. If the solution has the same density and specific heat as water,

    asked by Emily on August 2, 2015
  64. math

    (1)Is the Equation true, false, or open? 4y + 8 = 6y + 3 A. True; the expressionas are the same for all values of variables B. False; the expressions are never the same ****** C. Open; there is a varible (12)Which equation is an Identity A. 7 - (9x + 3) =

    asked by kelseypooh on October 9, 2018
  65. Research help/cont

    Sociological Research can be a difficult procedure what are some of the problems or concern that need to be dealt with.. Was assisted with this earlier, but unfortunately the links provided were of no assistance.

    asked by Blaze on November 21, 2010
  66. math

    Use the formula to solve the problems. B * In The amount that results when $3,000 is compounded at 7% annually over eight years. $ a0 The interest earned in this case.

    asked by C on July 4, 2016
  67. 8th grade math

    A magazine for teenagers ask its readers to write in with information about how they solve personal problems. describe the population and the sampling method Please help thanks!!

    asked by saranghae12 on January 12, 2012
  68. Calculus

    How would you find the derivative of f(x)=1/sqrtx using limits? I know how to do problems with a fraction or a square root, but I can't figure out how to do one with both. I have tried a few different starts, but always end up getting stuck.

    asked by Katie on September 20, 2009
  69. US HISTORY-CONSTITUTION?

    How does article II of the constitution address the flaws that existed in the Articles of Confederation? Problems of unity, ambition, power, and liberty

    asked by Andrea on October 29, 2008
  70. books

    Book: The Trouble with Lemons At the end of Chapter 16, a character says "it's harder to hate a guy when you see that he's got problems like everbody else." Who says this? Explain what is going on in the novel before, during, and after this is said.

    asked by Alejandro on November 14, 2011
  71. World Religion

    Now, I am learning about HINDUISM. The question is " In what way do the Upanishads(Core teaching of Vedanta) speak of the problems and possibilities of human existance? Help me please.

    asked by A-tan on October 17, 2009
  72. Math (pre-calculus)

    Hi! I have a question! I forgot how to do these two problems, and I need some help in solving them! Thanks so much! 1.) Find the first 5 terms of the sequence given by a1=2, an=3an-1 -1. (It's: a sub 1 =2, a sub n= 3a sub n-1 -1) Does that make sense? If

    asked by Angellove on November 2, 2008
  73. algebra

    hi i need help on these problems..i have tried online to do it myself but i still don't understand what they are asking... compare the numbers in each exercise using an inequality symbol.. 4/5, square root of 1.3 pie, 19/6

    asked by sheila on September 17, 2012
  74. history

    The progressive movement focused mainly on the problems of a. African Americans b. urban residents c. tenan farmers d. nonunionized workers D?

    asked by y912f on May 26, 2009
  75. sci

    Explain, from a physiological standpoint, how eating disorders may lead to health problems. Give at least three examples to support your answer.

    asked by Anonymous on June 1, 2010
  76. calculus 2

    Find the volume of the solid formed by rotating the region enclosed by y=e^(5x) , \ y=0, \ x=0, \ x=0.8 around the y-axis Please help, i have been attempting these problems for a couple of days

    asked by bobby on September 21, 2012
  77. 9th grade Social Studies

    i also have problems studying and understanding social studies. i don't know what to do my grades are way low. can you please give me some tips and ideas on how i can work on it?

    asked by Angel on November 10, 2010
  78. Algebra 1

    Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in solving real-world problems.

    asked by Zoey on March 3, 2014
  79. Algebra 1

    Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in solving real-world problems.

    asked by HELP on March 3, 2014
  80. Geometry help

    It basically the same problems from yesterday your supposed to make an ordered pair but I'm not sure how to do it. Directions: For each situation find the value of x and the measure of the indicated segment. 1. TX=2x+1,XW=x+7;TW

    asked by Chrissy on August 25, 2009
  81. Business Report Writing

    Have you ever seen a communication with poor formatting that made it difficult to understand? Did the message lose some of its desired effect due to the problems? Yes I have. Yes it did.

    asked by Dave on October 10, 2006
  82. Statistics

    Given the list 10,7,5,3,-6 find by hand, mean,meadian, midrange, mode(s), range, popvar, and sample standard deviation. (seven problems)

    asked by marie on September 10, 2011
  83. science

    Are there any websites that explain Mendelian genetics and show how to solve such problems in an easy, concise manner at an AP Bio level? Thank you

    asked by Jason on March 18, 2015
  84. Algebra

    Can someone pleas give me an example of a nonlinear function with 2 inputs? I have to provide 5 problems for class and have no idea where to begin or how to set up the problem.

    asked by Sam on October 6, 2010
  85. Typos, math, physics

    Would everyone who posted math and physics problems this morning please go back and check for typos? It is difficult to guess what you mean and we do not have your text book.

    asked by Damon on June 21, 2015
  86. Science

    using an example explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life? Do you have any suggestions

    asked by Science! Help on September 23, 2014
  87. Stats formula

    i have a hard time figuring out which formula's to use when solving problems. which would i use for the following: if X is a normal random variable with mean u=60 and a Std Dev.=2 find: A. p(x63) C. p(57

    asked by April on April 3, 2009
  88. PreCal

    Write each expression in problems 1 to 3 in the form a + bi. 1. (8-3i)+(-6+2i) 2. 4/(2-i) 3. (3-2i)^3 I do not understand at all where to start. I tired looking on google to find a way to solve but I didn't get any real help. So please help me!

    asked by PreCal on April 3, 2011
  89. english

    How can I fix this sentence? Julie should show her concerns toward the patient by asking, “How do you feel now?” or “If you have anything to share with me, I am happy to stay here with you and listen to your problems?”

    asked by flame on September 22, 2010
  90. Managerial accounting

    I have homework in managerial accounting, textbook by Atkinson 6edition. Problems, 10-59, 10-68, 11-68 and case 11-73. Pages; 446, 450, and 504. Thank you.

    asked by John Williams on March 10, 2012
  91. Business Math

    Calculate the simple interest and maturity valve for the following problems. Round to the nearest cent as needed. 18,000,4 1/2%,18mo.

    asked by Sandra on September 21, 2010
  92. hcs/335 plz help

    What issues involve problems with consent in stem cell research? can anyone help me? i just need a quick explanation andi can go on from there i don't want the answer i just need help thanks

    asked by bobbi on March 2, 2011
  93. psychology

    Explain what role psychology has played in understanding and managing these health problems. Migraines and Coronary heart disease

    asked by latham on March 29, 2009
  94. 4th grade math

    In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"

    asked by Patricia on January 30, 2013
  95. Math/Metric system

    I need to know how to make conversions and compare within the metric system of measurement. Such as 0.75L. is equal to how many mL. I have to do problems like that with length, weight, andvolumn.

    asked by David on September 25, 2007
  96. art appreciation

    What were the chief problems of construction involved in raising the dome of the Florence Cathedral in an age that did not have today's building technologies?

    asked by Alice on April 11, 2011
  97. Health care Information System 2

    Discuss ways that information systems could assist in preventing the problems. Provide specific examples to support your response

    asked by Anita on October 16, 2012
  98. Theories and issues in working with school-age chi

    Erik Erikson uses what mechanism to describe the stages in his psychosocial theory? A. Growth charts B. Problems C. Conflicts D. Levels

    asked by Amanda on October 25, 2014
  99. government

    Why can’t the president sit down with a group of able and intelligent advisers and produce an effective program to address the problems facing the nation?

    asked by et on November 22, 2008
  100. Algebra 2

    Can someone check my work please? I tried my best on all the problems but I still don't understand excluded values and how to simplify rational expressions. Thank you in advance for any help! 1)6x^5/2x^3 6/2 = 3 3x^5/x^3 x^5-x^3 = x^2 3x^2/1 2) (2x+4)+(x^2

    asked by Tommy on July 9, 2015