blair

Most popular questions and responses by blair
  1. Science

    Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true?

    asked on February 18, 2016
  2. English 1

    Can someone please check these. I answered what I thought was right; therefore, I did not know three of them which are 16, 17, and 19. 6. Compare and contrast the poem “Mexicans Begin Jogging” and the story “Delfino II: Diez in the Desert.” a. Both

    asked on November 24, 2015
  3. Science

    Ms. Sue PLEASE check my answers! 1. Which of the following is not part of the theory of evolution? a. Organisms tend to produce more offspring than can survive to reproductive age. b. Organisms can acquire changes during their lifetime that can help their

    asked on October 7, 2015
  4. Please check history

    Please check! What was the effect of the depression of the 1890s on South Carolina? a. Gold was discovered in Alaska. b. Many banks failed and railroads went bankrupt. c. Paper money was no longer backed by gold.*** d. Inflation caused farmers to run large

    asked on March 15, 2016
  5. History

    Can someone please check these? I would greatly appreciate it. Thanks! 1. What was the purpose of the Freedmen's Bureau? a. to free the slaves b. to feed, clothe, and educate former slaves*** c. to move former slaves to the Northern states d. to ensure

    asked on February 18, 2016
  6. math

    On your birthday, you deposit $540.00 in an account that pays 6% interest compound anually. How much is in the account 3 years later?

    asked on June 9, 2015
  7. Algebra

    Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and M={7,8,9,10}. What is M'? A. {1,2,3,4,5,6} B. {1,2,3,4,5,6,7,8,9,10} C. cannot be determined D. {7,8,9,10} My answer is D.

    asked on December 19, 2016
  8. Social Studies

    Could someone please check my answers? 1. How did the Radical Republican Reconstruction plan affect life in South Carolina? a. The law did not give African Americans equal protection. b. The state gained the right to decide local matters. c. White males

    asked on February 26, 2016
  9. Chemistry

    How many moles of solute particles are present in 1 L of aqueous 0.08 M ethanol (C2H5OH)?

    asked on October 18, 2010
  10. Math

    Use Newton's method to approximate a root of the equation 5sin(x)=x as follows. Let x1=2 be the initial approximation. The second approximation x2 is: and the third approximation x3 is:

    asked on July 19, 2008
  11. physics

    A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.30 m above. The keys are caught 1.30 s later by the sister's outstretched hand. (a) With what initial velocity were the keys thrown? _____________ m/s upward (b)

    asked on October 8, 2009
  12. Organic Chemistry

    Benzene is often produced as a by-product during the synthesis of phenylmagnesium bromide. how can its formation be explained? Write a balanced chemical equation for the formation of benzene.

    asked on February 27, 2009
  13. Organic Chemistry

    What product is expected from the reactino of fumaric acid (trans-2-butenedioic acid) with 1,3-butadiene?

    asked on February 27, 2009
  14. Science Please Check

    Please Check 1. How does nanotechnology help engineers make products for the future? a. By changing a materials atomic structure, it can be made from elements that are easier to obtain.*** b. By changing a material's atomic structure, its physical

    asked on March 18, 2016
  15. Physics

    When the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.2 m/s at an angle of 60.0° above the horizontal. If the seed pod is 0.8 m above the ground, how long does it take for the seed to land?

    asked on July 5, 2011
  16. English 1

    DOES THIS SOUND GOOD? Revise the sentences below to improve fluency. Specifically, add variety to the sentence types, and use transitional words so that sentences flow smoothly. 18. Summer is my favorite season. I enjoy the warm weather. School ends. I

    asked on October 7, 2015
  17. physics

    A beam of microwaves with = 0.7 mm is incident upon a 12 cm slit. At a distance of 2 m from the slit, what is the approximate width of the slit's image?

    asked on October 31, 2010
  18. History

    I cannot find this answer anywhere in my text. If anyone could help I would greatly appreciate it! 1. Which of the following best describes the Southern attitude toward goods and supplies at the beginning of the Civil War? a. They believed they could get

    asked on February 23, 2016
  19. Geometry

    Please explain how I am supposed to get this I really don't understand, but I think that I know the answer. Thanks! 1. A conveyor belt carries supplies from the first floor to the second floor which is 12 feet higher. The belt makes a 60 degree angle with

    asked on March 14, 2016
  20. Organic Chemistry

    How could you distinguish between cyclohexane and cyclohexene using Infrared Spectroscopy only? How could you distinguish between 1-hexene and 1-hexyne using IR only?

    asked on February 11, 2009
  21. Chemistry

    A mixture of nitrogen gas and hydrogen gas reacts in a closed container to form ammonia gas. The reaction ceases before either reactant is completely consumed. At this stage the container has 3.0 mol each of all three gases; nitrogen, hydrogen and ammonia.

    asked on June 29, 2013
  22. chemistry

    72.33 mL of 0.137 M HCl was added to an Erlenmeyer flask and is titrated with 0.165 M NaOH. Calculate the pH when 5mL of NaOH is added after the equivalence point has been reached.

    asked on March 21, 2012
  23. chemistry HELP PLEASE !

    A solution consisting of isobutyl bromide and isobutyl chloride is found to have a refractive index of 1.3931 at 20oC. The refractive indices at 20oC of isobutyl bromide and isobutyl chloride are 1.4368 and 1.3785, respectively. Determine the molar

    asked on November 5, 2008
  24. Chemistry

    The state of aggregation of solids can be described as belonging to the following four types: ionic, metallic, covalent network, and molecular. For each of these types of solids, indicate the kinds of particles that occupy the lattice points and identify

    asked on January 29, 2008
  25. chemistry

    72.33 mL of 0.137 M HCl was added to an Erlenmeyer flask and is titrated with 0.165 M NaOH. Calculate the pH when 5mL of NaOH is added after the equivalence point has been reached.

    asked on March 21, 2012
  26. physics

    A 1.30 kg toaster is not plugged in. The coefficient of static friction between the toaster and a horizontal countertop is 0.400. To make the toaster start moving you carelessly pull on its electric cord. (a) For the cord tension to be as small as

    asked on October 24, 2009
  27. Organic Chemistry

    Write an equation for the reaction that occurs in the gas trap between SO2 and NaOH.

    asked on February 20, 2009
  28. chemistry

    A 3.555 g sample of a monoprotic acid was dissolved in water. It took 23.32 mL of a 0.875 M NaOH to neutralize the acid. Calculate the molar mass of the acid.

    asked on March 21, 2012
  29. physics

    A block is given an initial velocity of 1.00 m/s up a frictionless 25.0° incline. How far up the incline does the block slide before coming (momentarily) to rest? Please help! Thanks!

    asked on October 21, 2009
  30. physics

    A 2.00 kg aluminum block and a 5.20 kg copper block are connected by a light string over a frictionless pulley. They sit on a steel surface, where θ = 28.0°. Determine the sum of the magnitudes of the forces of friction acting on the

    asked on October 24, 2009
  31. Chemistry!! Please Help!

    A 0.285 M solution of the sodium salt, NaA, of the weak monoprotic acid, HA, has a pH of 9.65. Calculate Ka for the acid HA. I think I am having issues with the equation and then the math part. I figured out what 'x' was from the pH, which I believe is

    asked on February 6, 2009
  32. english

    how many musicians in a quartet?(5, 6,or 7)

    asked on May 28, 2012
  33. physics

    A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.8 m/s at ground level. Its engines then fire and it accelerates upward at 3.90 m/s2 until it reaches an altitude of 920 m. At that point its engines fail, and

    asked on October 8, 2009
  34. Organic Chemistry

    What is the name of the product made from acetone and 4-methylbenzaldehyde in an aldol condensation?

    asked on July 10, 2009
  35. Ochemistry

    4-chlorophenol is insoluble in water. Explain why 4-chlorophenol dissolves in 2.5M aqueous NaOH solution. -Besides NaOH being a strong base and a great nucleophile is there any other reason ?

    asked on January 13, 2009
  36. physics

    An 8.00 g bullet is fired into a 160 g block that is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and after the impact the block lands d = 2.1 m from the bottom of the table. Determine the initial speed of the

    asked on November 2, 2010
  37. physics

    Vroom-vroom! As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.40 mi/h·s. In the adjoining bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant acceleration of 11.5 mi/h·s.

    asked on October 9, 2009
  38. physics

    Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is 8.60 m long. The first moves past her in 2.05 s and the second in 1.73 s. Find the constant acceleration of the train.

    asked on October 8, 2009
  39. chem

    In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water, the oxidizing agent is____. Is it hydrogen peroxide?

    asked on August 11, 2008
  40. chemistry

    An optical rotation study gives result of +140 degrees. Suggest a dilution experiment to test whether the results is indeed +140 degrees, not-200 degrees. THANK YOU!

    asked on November 10, 2008
  41. Chemistry- HWK CHECK

    1. A solution in which no more solid can be dissoved is referred to as ____. Answer: saturated 2.At constant pressure, heat can be referred to as (entropy, enthalpy, or free energy). Answer: enthalpy The measure of disorder or randomness of a system

    asked on August 4, 2008
  42. math

    What are the critical numbers of f(t)=3t^(2/3)+t^(5/3)

    asked on July 23, 2008
  43. US History

    How did Irish immigrants coming to America cope with the religious discrimination they faced for being Catholics?

    asked on November 29, 2016
  44. History(please check)

    Please Check My Answers: 1) How was South Carolina constitution of 1868 different from previous state constitutions? A. Women lost their right to own property. B. Representation was based on population alone. *** C. Countries and districts were organized

    asked on March 4, 2016
  45. chemistry

    A 3.555 g sample of a monoprotic acid was dissolved in water. It took 23.32 mL of a 0.875 M NaOH to neutralize the acid. Calculate the molar mass of the acid.

    asked on March 21, 2012
  46. social studies - 2nd grade

    how do people change the environment? How do people change my community? i have a project on this can you please help me? thank you

    asked on January 28, 2012
  47. Biology

    Anaerobic fermentation in yeast produces (include all of the final products). A. Lactic acid, NAD and CO2 B. Lactic acid and NADH C. Lactic acid, NADH and CO2 D. Lactic acid and NAD E. Ethanol and CO2 F. Ethanol, NADH and CO2 G. Ethanol, NAD and CO2 H.

    asked on October 24, 2009
  48. organic chemistry

    If, by mistake, a chemist used 100% ethanol rather than diethyl ether as the reaction solvent, would the Grignard synthesis still proceed as expected?

    asked on February 27, 2009
  49. Chemistry

    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 0.550. If a trial's absorbance is measured to be 0.350 and its initial concentration of SCN– was 0.0010 M, the equilibrium

    asked on August 8, 2008
  50. URGENT!! Chemistry HELP!!

    Use standard enthalpies to calculate Triangle H for: 2C2H5OH (I) + O2 (g) -> 2CH3CHO (g) + 2H2O (I)

    asked on April 19, 2012
  51. Chemistry

    the initial pressure of phosgene gas (COCl2), was 1.31 atm. it was heated, and at equilibrium the pressure of CO was found to be .547 atm. what are the equilibrium pressures of Cl2 and COCl2? CO +Cl2=COCl2 i've done it twice and keep getting the wrong

    asked on November 4, 2010
  52. physics

    While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 245 m east, 210 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

    asked on September 27, 2010
  53. Biology

    Which is the most common complex carbohydrate on earth? A. Starch B. Glycogen C. Cellulose D. Hemicellulose E. Chitin

    asked on October 24, 2009
  54. Geometry B: Unit 3: Similarity Lesson5 Practice

    If you have done this please help me with just the practice question I have already done the quiz I just need help with the practice problems because they are in more detail.

    asked on March 4, 2016
  55. Trigonometry

    4+29sin=12cos^2 How do you determine this

    asked on December 11, 2011
  56. language

    thank you Ms. Sue, my new sentence is Leanna, vacuumed the living room and dusted the knicknaks on the piano. Please diagram the adjective modifiers. Thank you.

    asked on May 13, 2010
  57. Human Resources

    I asked this question before, I asked what are some good "Compensation and Benefits" discussion topics? And people gave me a lot of ideas: Higher wages Flexible hours Work at home Increased health care benefits Benefits for same-sex partners Benefits for

    asked on October 13, 2008
  58. Math

    Use differential, i.e., linear approximation, to approximate (125.4^(1/3)) as follows: Let f(x)=x^(1/3) . The linear approximation to f(x) at x=125 can be written in the form y=mx+b where m is: m=1/75 b=? How do I find b?

    asked on July 19, 2008
  59. Math

    f(x)=2x^(3)–1x^(2)+3x–2 Find the average slope of this function on the interval (1,7).

    asked on July 18, 2008
  60. math

    Person 1 was walking down a path one day when Person2 appeared in front of it at exactly 8:06 AM. The next day, Person 1 was walking down the same path, and Person 2 appeared in front of it at 6:03 PM. The next day, the same thing happened at 11:05 AM. The

    asked on July 9, 2008
  61. MATH- Algebra 2

    x^2-6>-5x 6x^2-5x+1

    asked on February 17, 2013
  62. US History

    Hello! I have an assignment where I have to rewrite the Bill of Rights in modern english. I've been able to do most of them, but I'm stumped on the 9th amendment. "The enumeration in the Constitution of certain rights shall not be construed to deny or

    asked on March 17, 2011
  63. Social Studies

    Did Rome start as a city on the Italian Peninsula?

    asked on April 2, 2010
  64. Social Studies

    What is one freedom that American democracy has today that was clearly not recognized in the Roman Empire?

    asked on April 2, 2010
  65. Biology

    Which monosaccharide requires the most steps to proceed through glycolysis? A. Glucose B. Galactose C. Fructose

    asked on October 24, 2009
  66. physics

    In an Atwood machine m1 = 2.00 kg and m2 = 6.50 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that sets it into

    asked on October 21, 2009
  67. Biology

    The reason you might see fewer colonies on your LB/Amp/Arabinose + plate (compared to the number of colonies..? The reason you might see fewer colonies on your LB/Amp/Arabinose + plate (compared to the number of colonies that you see on your LB/Amp +

    asked on October 18, 2009
  68. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?

    asked on February 27, 2009
  69. Humatn Resource

    Does "Pay for performance" fall under the category of "Compensation and Benefits"?

    asked on October 13, 2008
  70. Chemistry

    The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive

    asked on August 8, 2008
  71. Physics

    suppose that an astronaut throws a rock into outer space at a location far from significant influences of gravity and air resistance. One would expect the rock would A. eventually stop because all objects "lose steam" B. eventually stops as its inertia

    asked on January 4, 2016
  72. Geometry

    Can someone please walk me through this? I am really struggling with these type of problems and don't know what to do. Given: Line PS is perpendicular to line SQ, line RQ is perpendicular to line QS, line PQ is congruent to line RS Prove: Triangle PSQ is

    asked on November 30, 2015
  73. MATH- Algebra 2

    Solve each quadratic in form equation. 1. 4y^4+9=13y^2 2. x-3x^1/2+2=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3x-2)+2=0 5. 2(x^2-5)^2-13(x^2-5)+20=0 6. 2x^2/3+5x^1/3-6=0 7. 6x^2/3-5x^1/3-6=0 8. x^-2+4x^-1=12 9. x^4-8x^2+7=0 10. x^4-2x^2-35=0 can someone please

    asked on February 17, 2013
  74. chemistry

    A photon interacts with a ground state electron in a hydrogen atom and is absorbed. The electron is ejected from the atom and exhibits a de Broglie wavelength of 5.908×10−10 m. Determine the frequency (in hz) of the interacting photon.

    asked on January 12, 2013
  75. english

    is their any such things as a sklekion bird that talks.

    asked on April 21, 2012
  76. physics

    A 0.25 kg ball is thrown straight up into the air with an initial speed of 20 m/s. Find the momentum of the ball at the following locations.

    asked on November 2, 2010
  77. Maths

    almudena has cut three quarters of a rope to 3 m in length and daniel has cut 3 / 5 of another of 4 m. ? which of the two pieces are longer

    asked on September 9, 2010
  78. Math

    Kalvin wants to eat Coco blast but his mom doesn't want him to because it's to sugary.So, Kalvin decides to flip a penny. Every time he gets a head he eats coco blast, and every time he gets tails he doesn't. Later on he found out it did not help b/c it

    asked on March 31, 2010
  79. grammar

    punctuation of passage. one thing that happened over the summer i grew even more grim takes a look at me one day and he goes all that walking you do it must be stetching out your legs and carrying poor kevin around that seems to be putting real muscle on

    asked on March 7, 2010
  80. Organic Chemistry

    The reaction of (Z)-butenedioic acid with 1,3-cyclopentadiene gives only one product. Why?

    asked on February 20, 2009
  81. Chemistry

    The molarity and the molality of a solution prepared by dissolving 2.00 g of ethanol C2H5OH with 99.0 g of water to give a final volume 101 mL are ______Molarity and _______molality. How do I do this?

    asked on August 4, 2008
  82. Chemistry

    The freezing point of a solution is A. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles.. B. lower than the freezing point of

    asked on August 4, 2008
  83. Math

    Consider the function f(x)=8(x^(1/2))+7 on the interval [1,5]. By the Mean Value Theorem, we know there exists a c in the open interval (1,5) such that f'(c) is equal to this mean slope. For this problem, there is only one c that works. Find it.

    asked on July 19, 2008
  84. Chem!

    does the addition of a strong acid increase the percent ionization of a weak acid HB?

    asked on April 16, 2008
  85. Economics

    What economic policy should be adopted by regions with persistent economic problems? Why is macroeconomic policy NOT the solution?

    asked on April 5, 2008
  86. AP Chem

    i always get the error analysis section of my lab wrong so i need a NON human error in an experiment involving the diffusion of gases Experiment: stick cotton ends of a Q-tip (one soaked in HCl and one in NH3) into either end of a drinking straw and

    asked on December 11, 2007
  87. Math

    Solve each quadratic in form equation. 1. 4y^4+9=13y^2 2. x-3x^1/22=0 3. (x-5)^2+2(x-5)-35=0 4. (x-2)^2-3x-2)+2=0 5. 2(x^2-5)^2-13(x^2-5)+20=0 6. 2x^2/3+5x^1/3-6=0 7. 6x^2/3-5x^1/3-6=0 8. x^-2+4x^-1=12 9. x^4-8x^2+7=0 10. x^4-2x^2-35=0

    asked on February 15, 2013
  88. english

    THANK U SOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO MUCH FOR THE INFORMATION MS.SUE

    asked on June 3, 2012
  89. Chemistry

    how to determine the change in the number of moles of gas in the reaction 2H2 g + O2 g= 2H2Ol i thought it was 2 because the product is a liquid but that isn't correct

    asked on November 1, 2010
  90. Social Studies

    Why do you suppose some of Rome's citizens wanted absolute rulers instead of elected senators?

    asked on April 2, 2010
  91. correct punctuation

    One thing that happened over the summer, I grew. Grim takes a look at me one day and he goes, "all that walking you do, it must be stretching your legs, and carrying poor Kevin around that seems to be putting real muscle on you." He's not that heavy, and

    asked on March 7, 2010
  92. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?

    asked on February 27, 2009
  93. Ochemistry

    Suggest an appropriate reducing reagent for the following substrates and predict the product of the reactions : (a) 2-hexanone (b) ethyl 4-nitrobenzoate (reduction of the nitro group) (c) hexanal Would NaBH4 work for all of them ? Please help !

    asked on February 5, 2009
  94. chemistry-help

    Why does an organic mixture being distilled using steam distillation never rise above 100 degrees Celsius?

    asked on November 12, 2008
  95. Human Resource

    What are some good "Compensation and Benefits" (from a HR point of view) discussion topics? It doesn't have to be a broad topic, it could be a specific one. Thank you in advance!

    asked on October 3, 2008
  96. Chemistry

    Which of the following is NOT true of colligative properties? Colligative properties are... A. responsible for lowering the vapor pressure of a solution versus the vapor pressure of the pure solvent. B. dependent on the mass of solute present. C.

    asked on August 8, 2008
  97. math

    when I have (2x^(3)-18x)-(2x^(3)) / (x^(2)-9) am I suppose to be left with -18x/(x^(2)-9) or is it just 18x? Please help and thanks!

    asked on July 29, 2008
  98. math

    What are the critical values of f(x)=(x^(7))((x+7)^(2)) and f(x)=7x+6x^(–1)?

    asked on July 23, 2008
  99. calculus

    If 4x^(2)+5x+xy=4 and y(4)=-20, find y'(4) by implicit differentiation. I got y'=(-8x-5-y)/(x)

    asked on July 12, 2008
  100. Womens History

    A woman's rights in reagrds to spousal abuse ____________. A. varied widely depending on the colony in which she found herself living B. varied widely depending on the colony in which she was married. C.were strictly defined by federal law. D.were strictly

    asked on September 8, 2006

Pages

  1. 1
  2. 2