1. physics

    a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m. How much work is done by the person? How much work is done by gravity?

    asked by Kalynn on January 14, 2013
  2. hr

    Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some

    asked by yvonne on June 2, 2011
  3. AP Chemistry

    Assume that 30.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of a monoprotic strong acid HX. (a) How many moles of HX have been added at the equivalence point? (b) What is the predominant form of B at

    asked by Sally Perez on March 8, 2010
  4. Physics

    If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of conservation of momentum because A) the force of gravity acts on the ball. B) the ball experiences an external force. C) the

    asked by Crystal on November 29, 2011
  5. Chemistry

    Hello I need help with this excersise: How many moles of NH4Cl are neccesary to add to 1 liter of solution of Co2+ 0,20 M in order to prevent the precipitation when the solution is saturated with H2S (0,1M) and the pH is 7,50. It 's known that pKbNH3=4,75

    asked by Mary on September 2, 2016
  6. math

    Mrs. Mask looked at another hotel. She waited a week before she decided to book nights at that hotel, and now the prices have increased. The original price was $1195. The price for the same room and same number of nights is now $2075. What is the percent

    asked by Someone who needs help with math on November 13, 2017
  7. algebra

    1.) The volume of a rectangular box is 64 ft3. If the width is 3 times longer than the height, and the length is 9 times longer than the height, find the dimensions of the box. Define your variables then show all work using the equation editor. Write a

    asked by ashley on August 10, 2016
  8. Physics

    Let us assume that the muon production happens at an altitude of about 15 kilometers above the surface of the Earth, and that the produced muons have a velocity of 0.99 c. Thus, in the Earth system, it takes the muon approx. 50500 nanoseconds to reach the

    asked by Tisha on April 24, 2011
  9. business

    Organizing work, enterprises, or societies. Topics based in this research area centre on the way work or societies are structured. This topic may be approach may assume a “best practices” approach or may be contextualized to consider organization for

    asked by jiskhayg on September 21, 2014
  10. HCA/220

    I need help with a discussion question due in week 8. You work in a training and development department of a medical facility. You are asked to develop a training manual for a new employee with no medical terminology background. The new hire will work in

    asked by chrissy on October 23, 2013
  11. financial accounting

    Zumbrunn Company’s income statement contained the condensed information below. ZUMBRUNN COMPANY Income Statement For the Year Ended December 31, 2015 Service revenue $969,400 Operating expenses, excluding depreciation $624,480 Depreciation expense 59,260

    asked by ashley on April 26, 2017
  12. Algebra I

    Scott wants to make 6 gal of a 50% sugar solution by mixing together a 60% sugar solution and pure water. How much of each solution must he use? mixture 1 @ 60% = x gallons pure water = 100% - x (??? that's my question...is that correct? or is it 0?)

    asked by Cale on February 22, 2017
  13. derivatives

    Applications of derivatives A rectangle has its base on the x axis and its upper two vertices on the parabola y=12 - x^2. What is the largest area the rectangle can have, and what are its dimensions. Support your answer graphically. Thanks. Well, the

    asked by Jen on November 18, 2006
  14. Algebra 2

    Two woodworkers, Tom and Carlos, bring in $100 for making a table and $80 for making a chair. On average, Tom must work 3 hours and Carlos 2 hours to make a chair. Tom must work 2 hours and Carlos 6 hours to make a table. If neither wishes to work more

    asked by Amy on September 28, 2014
  15. Finite with Calculus Applications

    The Ball Company manufactures three types of lamps, labeled A,B,and C. Each lamp is processed in two departments, I and II. Total available work-hours per day for departments I and II are 400 and 600, respectively. No additional labor is available. Time

    asked by Andre on February 27, 2012
  16. med math

    the pharmacy sends you a vial of 1.5 grams of ampicllin. The instructions state to mix the powders with 9.8ml of sterile water to make a solution of 1.5grams/ 10ml. How much solution would you draw to administer 750mg of ampicillin? Attempt: (750mg X

    asked by saya on January 20, 2017
  17. chemistry

    When filling the buret with NaOH solution, you left an air bubble in the buret tip. The bubble was released durning your first KHP titration. Would the following technique error result in an erroneously high or reeoneously low calculated molarity of NaOH

    asked by Diane on February 22, 2010
  18. Chemistry

    A reaction is peformed in which 50 ml of .400M silver nitrate and 75 ml of .100M hydrochloric acid are mixed together. The initial temperature of the solutionn was 25 C and the final temperature was 27.2 C. What is the enthalpy, in kj/mol, for the

    asked by Lydia on November 18, 2012
  19. Chemistry

    Are these reactions Exothermic or Endothermic? How do I know? 1.) Mg(OH)2(s)Mg+2(aq) + 2OH-(aq) Saw solution lighten from medium pink to very light when heated in hot water bath. (It had phenolphthalein drop for indicator.) 2.) HSO4-(aq)+

    asked by Ann on July 11, 2013
  20. Chemistry

    25cm3 Of 3g Of Hydrated Sodium Trioxocarbonate(iv) Solution (NaCO3XH2O)Per 250cm3 Was Neutralized By 13.20cm3 Of 0.16m Hydrochloric Acid Solution. Write The Equation For The Reaction. Calculate The Conc Of Base In Mol/dm3. Calculate The Molar Mass Of The

    asked by Loveth on October 11, 2016
  21. Chemistry

    25cm3 Of 3g Of Hydrated Sodium Trioxocarbonate (iv) Solution (NaCO3XH2O)per 250cm3 Was Neutralized By 13.20cm3 Of 0.16m Hydrochloric Acid Solution. 1) Write The Equation For The Reaction. 2) Calculate The Conc Of The Base In Mol/dm3. 3) Calculate The Molar

    asked by Loveth on October 11, 2016
  22. physics

    A golfer hits a ball from the origin with an initial speed of 35 m/s at an angle of 44 degrees above the horizontal axis. The ball is moving down when it lands on a green that is 3.00 m above the level where it was struck. Neglect air resistance. 1. How

    asked by Amy on May 25, 2011
  23. L'Hopitals Rule

    5) Use the L’Hopital’s method to evaluate the following limits. In each case, indicate what type of limit it is ( 0/0, ∞/∞, or 0∙∞) lim x→2 sin(x^2−4)/(x−2) = lim x→+∞ ln(x−3)/(x−5) = lim x→pi/4 (x−pi/4)tan(2x) =

    asked by Jane on December 7, 2014
  24. Calculus

    Use Newton's method to approximate a root of the equation (2 x^3 + 4 x + 4 =0) as follows. Let (x_1 = -1\) be the initial approximation. The second approximation (x_2) is ? and the third approximation (x_3) is ?

    asked by Salman on November 11, 2009
  25. Chemistry

    7.5 g of a solid are added to 87.6g of water at 23.7 degrees C. When the solid has all been dissolved and thoroughly mixed with the water, the temperature of the solution is decreased by 6.2 degrees C. Calculate the heat of the solution in joules per gram

    asked by Anonymous on July 15, 2008
  26. Chemistry

    A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride

    asked by Kristi on October 14, 2011
  27. Physics

    A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride

    asked by Kristi on October 14, 2011
  28. science(chem)

    How would I make a 5% solution of sodium bisulfite? sodium bisulfite: NaHSO3 Molar mass: 104.06 g/mol is it 5% w/w or v/v or w/v b/c if it was w/w then it would be weight percent w/w= weight solute/ weight solution* 100 I need help on this Thanks

    asked by ~christina~ on November 4, 2007
  29. Chemistry

    Would you store a solution of zinc nitrate in an aluminum container? Use half-reactions to explain your answer. Al ==> Al^+3 + 3e Zn ==> Zn^+2 + 2e Look up the above half reactions and you will see that the Al will go into solution and the Zn+2 will come

    asked by J.M. on January 21, 2007
  30. chemistry

    assume you had a solution that contained a mixture of a silver ions and stronium ions. come up with three different reaction plans that would allow you to precipitat either the silver ion or strontium ion, but the other ion would remain in solution

    asked by Colby on December 1, 2011
  31. chemistry

    What does a buffer do? A. It resists a change in pH when H+ or OH- is added to a solution. B. It prevents an acid-base reaction from happening. C. It prevents an acid or base from being neutralized. D. It prevents a salt from forming in solution.

    asked by jessie on September 12, 2016
  32. Physics, Calculus(alot of stuff together)= HELP!!!

    ~it was bumped over to the next page so I recopied it and added my answer for the question and was wondering if my integration was correct since you said DrWls:I forgot t use the expression B + Cx for p, and used A + Bx instead. The method of solution is

    asked by ~christina~ on September 16, 2007
  33. Language Arts Help me!!

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

    asked by Yes once again another emo girl! That like My chemical Romance!!!!!! </3 on January 23, 2018
  34. Chemistry - Le Chatelier's principle(help)

    Le Chatelier's principle states that " a dynamic equilibrium tends to respond as to relieve the effect of any change in the conditions that affect the equilibrium." I understand the above, now i am trying to predict the response of the system and i am

    asked by Babelii on March 22, 2011
  35. That darn physics again

    Hi! i need some help with this ASAP! a body is projected upwards from a point on level ground with a velocity of 45 m/s at an elevation of 30 degrees. Working from the expression for uniformly accelerated motion in a straight line, determine 1) the time of

    asked by sean on October 8, 2006
  36. algebra/geometry

    The Binary Ice Cream Shoppe sells two flavors, vanilla and chocolate. On Friday, the ratio of vanilla cones sold to chocolate sold was 2:3. if the store had sold 4 more vanilla cones, the ratio of the vanilla cones sold to chocolate cones sold would have

    asked by abby on April 15, 2008
  37. English

    Can you check if there's grammar mistakes in this monologue, if there is, can you correct it for me. Hi, I'm William Shakespeare. I had disappeared from the records for seven years. Many rumors flew around, including that I liked to poach. They say I had

    asked by Tommy on February 17, 2014
  38. english

    write whether the words in parentheses show compound subject(CS), compound verb(CV),or independent clauses (IC). 1)Latisha (called me after school)IC ,and (asked for help with her project) IC. 2)(I met her at the library), IC and (we went over the

    asked by joseph on April 23, 2012
  39. science

    Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data

    asked by sammi on October 3, 2009
  40. Math

    How do I solve this? tan^2x= 2tanxsinx My work so far: tan^2x - 2tanxsinx=0 tanx(tanx - 2sinx)=0 Then the solutions are: TanX=0 and sinX/cosX = 2 sin X Divide through by sinX: we have to check this later to see if allowed (ie sinX is not zero) cosX=1/2

    asked by Chris on January 7, 2007
  41. Chemistry

    A 0.1873 g sample of a pure, solid acid, H2X was dissolved in water and titrated with 0.1052 M NaOH solution. The balanced equation for the neutralization reaction occurring is H2X(aq) + 2NaOH(aq) ¨ Na2X(aq) + 2H2O(l) If the molar mass of H2X is 85.00

    asked by Lauren on May 11, 2011
  42. Chemistry

    Mean titre of 0.2M sodium thiosulphate = 32.2 ml 1) Calculate number of moles of S2O32- which react in the titration 2)Calculate how many moles of I2 react with this amount of S2O3 3)How many Cu2+ ions are needed to liberate this amount of I2? Use this

    asked by Chirag on January 5, 2017
  43. algebra1

    I will be happy to critique your thinking. can u use one of them and show me how to solve it and i'll do the rest? like i don't know how to do these and i need to know how. assume that Q varied directly as x and inversely as y. 1) if x is tripled and y is

    asked by bobpursley on May 23, 2007
  44. chemistry

    A nitric acid solution containing 71.0% by mass of the acid has a density of 1.42g/ml how many grams of nitric acid are present in 1.0L of this solution

    asked by cheryl on May 3, 2013
  45. Science

    Rubbing alcohol is a solution of 70 percent alcohol and 30 percent water. In the alcohol solution, which is the solute and which is the solvent? Explain.

    asked by Amber-NEED HELP!!! on May 7, 2008
  46. chem

    1 molar solution of Pb(NO3)2 you want 3mL of 0.5 Molar Pb(NO3)2 how much of the one molar solution do you mix with H2O to reach your goal

    asked by bob on May 27, 2010
  47. MATH

    Suppose that you have a supply of a 25% solution of alcohol and a 75% solution of alcohol. How many quarts of each should be mixed to produce 100 quarts that is 30% alcohol?

    asked by JOE on September 11, 2010
  48. Heath

    1. Which digestive organ is the last organ food passes through before reaching your stomach? (1 point) pharynx epiglottis esophagus mouth 2. Starches and sugars belong to which class of nutrients? (1 point) carbohydrates fats proteins enzymes 3. A method

    asked by Help on November 11, 2016
  49. chemistry

    how to balance this equation by using electron ion method 1. C2O4(-2 charge)+ MnO4(- charge) + H(+)-----> CO2 +Mn(+2 charge)

    asked by humaira on April 17, 2009
  50. Calculus - Integrals

    I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.

    asked by David on March 24, 2008
  51. math

    Find the amount of interest on a loan of $10,500, at 9% interest, for 124 days using the exact interest method.

    asked by Brenda on December 13, 2015
  52. calculus

    Use Newton's method to approximate a root of the equation 3sin(x)=x as follows. Let x1=1 be the initial approximation. The second approximation x2 is and the third approximation x3 is for x2 I got -1.454 which is right but I can't get x3

    asked by HELLLLLPPPPP on September 8, 2010
  53. Math

    Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method.

    asked by Krystle on June 23, 2013
  54. calculus

    Use Newton's method to approximate a root of the equation 3sin(x)=x as follows. Let x1=1 be the initial approximation. The second approximation x2 is and the third approximation x3 is I got x2=-1.454 but can't get x3 :(

    asked by HELLLLLPPPPPPP on September 8, 2010
  55. Calculus - Integrals

    I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.

    asked by David on March 23, 2008
  56. Math

    Hello. I have a math question that I truly need some help on please. Why do many of the graphs of real-world proportional relationships (such as distance to time) show the first quadrant but omit the other three quadrants? I have to do a fill in the blank

    asked by Patrick on September 12, 2018
  57. CHEMISTRY

    Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may

    asked by sabrina: Please help on November 28, 2012
  58. CHEMISTRY

    1. Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br− and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may

    asked by sabrina: PLease help!I fixed the question on November 28, 2012
  59. CHEMISTRY

    Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br- and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may

    asked by sabrina: Please help on November 28, 2012
  60. CHEMISTRY

    1. Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br− and C9H7N is quinoline, an organic base with pKb = 6.24 at 298 K. If you like, you may

    asked by sabrina: who can help? on November 28, 2012
  61. Physics

    Two 30kg children in a 20 kg cart are stationary at the top of a hill. They start rolling down the 80m tall hill and they are traveling at 30 km h-1 when they reach the bottom. (The cart had brakes!) How much work was done on the cart by friction during

    asked by Ellie on September 21, 2012
  62. Math

    Hey guys this is a precalculus honors question and im stuck, appreciate it if i could get your help. Lauri is a sea level and uses surveying equipment to sight the top of Mount Tam. The angle of elevation to the top is 22 degrees 10 minutes. She moves 1000

    asked by Henry on September 9, 2012
  63. Math(Please help. Thank you)

    solve the following for x. 1)e^x^2-x=e^2 x^2-x = 2 I am not sure what to do now 2) e^-5x * e^4 = e -5x + 4 = 1 x= 3/5 3) Suppose that the price p (in dollars) and the demand in x(thousands) of a commodity satisfy the demand equation 6p + x + xp =94. How

    asked by Hannah on May 1, 2011
  64. chem

    (b) (4 pts.) Suppose it is a hot summer day (40.0 degrees C = 104.0 degrees F), and you have left a can of hairspray outside so the gas within it is now at the same temperature of its surroundings. As part of your chemistry lab class, you have to build a

    asked by Anonymous on March 23, 2013
  65. chemsitry

    Consider the diprotic acid H2A with K1 1*10^-3 and K2= 1*10^-9 . Find pH, [H2A], [HA], and [A2-] for a .2000M solution of H2A b)Find pH, [H2A], [HA], and [A2-] for a .200M solution of HA- c) Find pH, [H2A], [HA], and [A2-] for a .200M solution of A-

    asked by Jessica on April 7, 2013
  66. mathematics for accounting

    the question is the formula use in calculating depreciation that is reducing balance method which is (1-n√s/c)×100/1 now we were asked to now make each of n,s,and c in the formula the subject of the formula

    asked by david on May 4, 2016
  67. writing

    I need a sentance with the word malign MALIGN is a parsimony-based alignment method for sequences. Don't malign me with more of your vicious rumors.

    asked by yitty on December 3, 2006
  68. 3rd math

    The flower shop just received a shipment of 432 roses. They need to fill an order for 273 roses. Use any method to how many roses they will have left.

    asked by morgan on September 20, 2012
  69. math

    Can you bisect a acute angle, right angle, or obtuse angle using each method: paper folding, a transparent mirror, and a compass and ruler? why or why not?

    asked by vanessa on May 18, 2010
  70. statistics

    draw a simple random sample of 15 students from your class,and calculate sample mean and sample variance of their heights(use lottery method)

    asked by sireesha on June 2, 2011
  71. math

    the question is the formula use in calculating depreciation that is reducing balance method which is (1-n√s/c)×100/1 now we were asked to now make each of n,s,and c in the formula the subject of the formula please help me

    asked by Anonymous on May 4, 2016
  72. physics help

    A 1100 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automobile starts to move with a constant acceleration of 3.0 m/s2. At the same instant a 2800 kg truck, traveling at a constant speed of 8.0 m/s, overtakes and

    asked by beav on March 26, 2010
  73. AP Chemistry

    (a) When 300.0 milliliters of a solution of 0.200 molar AgNO3 is mixed with 100.0 milliliters of a 0.0500 molar CaCl2 solution, what is the concentration of silver ion after the reaction has gone to completion? (b)Write the net cell reaction for a cell

    asked by Jessica on April 5, 2010
  74. Chemistry

    So my chem experiment asks us: What is the molarity of a 6.0 ppm solution (it's a 6.0 ppm chlorophyll solution, hexane is the solvent) Now, I've found a few ways to solve for it but they both give me different values. If it's possible, could you just tell

    asked by Just One Stranger on December 6, 2012
  75. History

    I am home schooled and I am suppose to ask people their ideas on how to solve the Social Security problem. It says in my book the population of working Americans is not growing quickly enough to fund continued increases in Social Security spending. At some

    asked by Meghan on September 11, 2014
  76. Math-Algebra

    (Engineering) The current / varies as the electromotive force E and inversely as the resistance R. If in a system, a current of 20A flows through a resistance of 20 ohms with an electromotive force of 100V, find the currect that 150V will send throu+gh the

    asked by McKenna Louise on December 18, 2013
  77. Epidemiology

    Which of the following six study design types most appropriately characterizes the studies described below (#1-6)? DESIGN TYPES a. Cross-sectional b. Case-control c. Prospective cohort d. Retrospective (historical) cohort e. Clinical trial f. Community

    asked by DANIELLE on April 6, 2008
  78. Solving inequality Test 29 questions

    1. Which number is a solution of the inequality G > 6.4 2. Which number is a solution of the inequality y+2>8 3. which number is A solution of the inequality 6>z(10-z) 4. Choose the correct solution and graph for the inequality y-5≤-8 5. Choose the

    asked by Jason Roberj1 on December 8, 2016
  79. Chemistry

    A base has a Kb of 2.5 x 10–11. Which of the following statements is true? A.This is a concentrated base. B.This base ionizes slightly in aqueous solution. C.This is a strong base. D.An aqueous solution of this base would be acidic. My answer is D...?

    asked by Cassie on February 12, 2013
  80. Economics

    Women are less likely to be member of labor unions because: A. Fewer women work in blue collar unionized industries. B. Women are less likely to pay union dues. C. More women work in agency shop situations. D. Women earn about 60 percent of what men earn

    asked by Dianara on April 29, 2009
  81. Trigonometry

    Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then

    asked by Linda on June 10, 2007
  82. Algebra: Help Please

    For the given function, compute the missing values in the following table. f(x) = 8x i got the negatives wrong, but I know how to solve for it. Is there a reason it is wrong? -3: -1/512 -2: -1/64 -1: -1/8 (^These were wrong, but I don't know how to solve

    asked by Ann on February 23, 2012
  83. MATHS

    Solve the following equations if 0

    asked by T_om on April 11, 2007
  84. Chemistry

    A rock is 5.0% by mass fayolite(Fe2SiO4), 7.0% by mass forsterite(Mg2SiO4) and the remainder silicon dioxide. What is the mass percent of each element in the rock? I have the answers but i don't know how to solve the problem. How would you in steps solve

    asked by ALISON on August 31, 2011
  85. Algebra II

    Solve the following word problem. The length and width of a rectangle are (x + 4) cm and x cm. Respectively, a square has the same perimeter as this rectangle. If you add the areas of the rectangle and the square, the result is 94cm^2. Solve for x. Note:

    asked by Anonymous on December 8, 2016
  86. CHEMISTRY:))))

    A rock is 5.0% by mass fayolite(Fe2SiO4), 7.0% by mass forsterite(Mg2SiO4) and the remainder silicon dioxide. What is the mass percent of each element in the rock? I have the answers but i don't know how to solve the problem. How would you in steps solve

    asked by ALISON on September 1, 2011
  87. Love Vs. Infatuation Essay please proofread

    Please check my essay and could you please give me a letter grade. I am in 9th grade and we are supposed to write 4 paragraphs on similarites and differences between love and infatuation. Love Vs. Infatuation "Infatuation might lead you to do things you

    asked by Terrie on April 7, 2009
  88. chemistry

    a) What is fellesioneffekten?   Veronal is a barbiturate (structure see above). Barbiturates is a substance class which occur in a variety of drug classes, including sleep medications (hypnotikasedativa), in painkillers (anesthetics) and anticonvulsants.

    asked by Maria on September 9, 2016
  89. Chemistry lab

    A 1.340gram sample of an unknown acid, H3A, was placed in a 250.0 mL volumetric flask and diluted to volume with water. A 45.35 mL sample of this acid solution was titrated with 37.77 mL of a 0.1006M NaOH solution. A) Using one set - up dimensional

    asked by Stacy on March 22, 2016
  90. Chemistry 3

    How is it possible for me to tell which of these solutes will produce an acidic solution when dissolved in water? LiOH CH3CO2K H2SO3 KOH NaOH NH4NO3 NaOH NaOH can't be the only one... Molecules that produce OH^- when dissolved in water will be basic.

    asked by Lindsay on May 24, 2007
  91. Algebra

    A chemist has two solutions of sulfuric acid. The first is one half sulfuric acid and half water. The second is three-fourths sulfuric acid and one fourths water. He wishes to make 10 liters of a solution which is two-thirds sulfuric acid and one-thirds

    asked by Jane on November 10, 2013
  92. physics

    The current indoor world record time in the 200-m race is 19.92 s, held by Frank Fredericks of Namibia (1996), while the indoor record time in the one-mile race is 228.5 s, held by Hicham El Guerrouj of Morroco (1997). (a) Find the mean speed in meters per

    asked by Darcie on March 11, 2012
  93. MATH

    The Captain of a freighter 8km fromthe nearer of two unloading docks on the shore finds that the angle between the lines of sight to the docks is 35 degrees. if the docks are 10km apart, how far is the tanker from the farther dock? The Captain of a

    asked by T on May 24, 2008
  94. Math

    The Captain of a freighter 8km fromthe nearer of two unloading docks on the shore finds that the angle between the lines of sight to the docks is 35 degrees. if the docks are 10km apart, how far is the tanker from the farther dock? The Captain of a

    asked by Tareena-- check my answer please on May 24, 2008
  95. Algebra

    1. A two digit number is three less than seven times the sum of its digits. if the digits are reversed, the new number is 18 less than the original number. what is the new number? 2. The numerator a fraction is 3 less than the denominator. If 5 is added to

    asked by Ashley Kate on January 9, 2014
  96. English

    This is a chemistry lab report, but I was wondering if someone could edit the grammar and look at the sentence structure, etc. I know it's really long and boring, but even if you just look over a bit of it, I would really appreciate it. And I'm assuming

    asked by a Canadian on February 21, 2013
  97. Pre-Calculus

    Not sure what to solve... I tried to solve it but i ended up proving that it worked. a. Find the equations of the tangents at C (-2,1) and D (1,2) on the circle x^2+y^2=5 b. Find the point of intersection of the tangents. ~What I did was find the slope and

    asked by Anonymous on October 4, 2015
  98. ALGEBRA

    Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The length of a rectangle is 3 times the width. The difference between the length and the width is

    asked by ALISON15 on July 5, 2012
  99. physics

    1) What average power is required for a runner with a mass of 85 kg to reach a speed of 8 m/s from a stationary start during a time of 2 s? 2) A 1000 kg car travels east at 30 m/s and collides with a 3400 kg truck travelling south at 20 m/s. After the

    asked by k on March 29, 2015

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