1. Chemistry

    Given the following reaction: 3 H2(g) + N2(g) 2NH3(g) + heat If the following changes were to occur what direction shift will it have (left or right) And what will be the reason of the shift Changes/Stress on system: Adding NH3 Decreasing the pressure

    asked by Sarah foster on August 3, 2015
  2. calculus

    f(x)= - 2x^3 + 45x^2 -300x +9 There are 3 intervals (-inf,A], [A,B], [B, inf) where A and B are critical points. Find A and B? For each of the intervals is it decreasing or increasing?? I found the derivative which is -6x^2+90x-300 -6(x^2-15x +50)

    asked by Magnus on March 19, 2009
  3. Chemistry

    Given the following reaction: 3 H2(g) + N2(g) 2NH3(g) + heat If the following changes were to occur what direction shift will it have (left or right) And what will be the reason of the shift Changes/Stress on system: Adding NH3 Decreasing the pressure

    asked by Sarah foster on August 3, 2015
  4. Calculus

    A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from

    asked by Anonymous on December 14, 2014
  5. Calculus

    For f(x)=2(x+5)^3 +7 Find and classify the extreme values, determine where the function is increasing and decreasing, where it is concave up and concave down, and any points of inflection. I understand this is using the first and second derivative tests,

    asked by Natalie on July 22, 2014
  6. Calculus

    A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from

    asked by Anonymous on December 14, 2014
  7. English

    1. Paul visited me in order to ask for a help. 2. Paul visited me in order to ask for help. (Which one is correct? Do we have to put 'a' before 'help' or not?)

    asked by rfvv on March 1, 2012
  8. Calculus

    The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of (1.) the area, (2.) the perimeter, (3.) the length of one diagonal at the instant when l=15 and w=6.

    asked by Lance on February 26, 2017
  9. English

    how do you write an evaluation for a narrative about Cry Freedom explaining techniques you have used in your narrative(eg. simile, metaphor, structure)???

    asked by Sally on August 26, 2015
  10. reading

    plot structure: explain the function of each of the following: introduction, rising action, climax, falling action, resolution

    asked by anonymous on November 5, 2013
  11. government

    Why did the framers of the Constitution fear 'excessive democracy'? In what ways were the framers able to limit its influence on the structure of government?

    asked by mia on June 6, 2017
  12. organic chemistry

    An ether and an alkene are formed as by-products in this reaction. Draw the structure of these by-products and give mechanism for their formation.

    asked by Ivy on October 24, 2011
  13. Chem?

    Which of these elements can't have an expanded octet in a Lewis structure? P,O,Br,N,S,C,B,Si I think its O,C,B,N. Are elements that don't have a d oribial arent supposed to be included?

    asked by Anonymous on November 15, 2007
  14. English

    In the Elizabethan five-act play structure, act III contains the _________ a. Resolution b. Exposition c. Climax d. Conflict***

    asked by Kaai97 on March 15, 2016
  15. grammar

    What is the sentence structure, purpose and pattern of this sentence?? My dog, Ben likes to chase cats and birds.

    asked by Renea on April 19, 2011
  16. applied logic, math

    writing a program using loop structure, need the equation to produce all even numbers from 2-100 to print out each time I go through the loop

    asked by mina on October 17, 2013
  17. Chemistry

    How do you know if you use a single, a double, or a triple bond when drawing the Lewis structure of a compound? How do you know if a bond is covalent or ionic?

    asked by Katie Y. on October 19, 2009
  18. , science,

    HELP ME FISNSH MY POEM PLEASE T- H- E- S-support K- E-energy support L-ligaments E- T-tendons A- L- S-skeleton Y- S-shape and structure T- E-exercise M-

    asked by be90 on September 21, 2015
  19. english

    What grammatical structure is the italicized portion of the sentence? Although her personality had not changed at all, Megan looked quite different. First part is italicized!

    asked by RayRay on December 4, 2012
  20. business

    Suppose I am a cashier working at McDonald's. What are their levels of management and organizational structure, managerial levels and positions?

    asked by Alice on January 21, 2010
  21. Science

    How many unit cells can be made out of an 18 carat pure 197 g sample of gold ?( FCC structure A = 197 u)?

    asked by Vaishali on May 2, 2017
  22. biology

    The DNA bases adenine and guanine have one nitrogen and carbon atom containing ring in their structure. These bases are known as __________.

    asked by sarah on February 28, 2018
  23. English

    Hello. Thank you very much for the previous answer. Please help me with one more question. Which word order is better: "Chinese state-run companies" or "state-run Chinese companies"? I haven't found any precise rules, so maybe the word order here doesn't

    asked by Ilma on February 6, 2013
  24. Chemistry

    is the lewis dot structure and a electron dot diagram the same thing ?

    asked by Anonymous on December 3, 2010
  25. science

    What is the molecular structure of water? What are the physical and chemical properties of water?

    asked by somayee on November 3, 2018
  26. Biology

    If a protein's primary structure is predetermined or directed by a "source." what might this "source" be?

    asked by Peter on November 7, 2011
  27. chemistry

    I am asked to draw the structure of n-butyne, but what is meant by n-butyne? Please help! Any help will be appreciated.

    asked by anonymous on May 3, 2009
  28. English-Ms. Sue

    My other question: Is there a structure to this selection? Dicuss. I do not understand this question, can you please explain, thanks

    asked by Sara on February 2, 2010
  29. Social work

    Select a culture that you are familiar and describe the structure and culture of that community?

    asked by Keke on November 14, 2012
  30. Math

    A real estate company owns 218 efficiency apartments, which are fully occupied when the rent is $940 /month. The company estimated that for each $25 increase in rent, 5 apartments will become unoccupied. What rent should be charged so that the company will

    asked by Anonymous on January 27, 2014
  31. English!_+ check please!

    Rank the following sentences from most formal to least formal by writing the appropriate number in the blank beside each sentence: 1 = most formal; 3 = least formal. /3 ___2__I was pumped. I mean, we had scored the best seats for the show. Awesome ___1__In

    asked by benji! on November 3, 2006
  32. Science

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

    asked by Cami on November 6, 2015
  33. MATH

    The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a $20,000

    asked by Jen on July 22, 2011
  34. Math

    The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a $20,000

    asked by Jen on July 22, 2011
  35. Math

    The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a $20,000

    asked by Jen on July 22, 2011
  36. MATH

    The property restoration company PuroServ is considering switching to new dehumidifiers. Their market research, considering the cost of the new machines and their efficiency, tells them that the switch would give them a 54% chance of making a $20,000

    asked by Jen on July 22, 2011
  37. physics

    The maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 46.0o is 39.0 percent. What is the minimum value of the temperature at which the engine takes in heat? (in oC).

    asked by Erika on November 17, 2012
  38. physics

    The maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 46.0o is 39.0 percent. What is the minimum value of the temperature at which the engine takes in heat? (in oC).

    asked by chelsea on November 18, 2012
  39. business operations

    Create process flow diagrams that illustrate the use of each of the following strategies: Make-to-stock strategy Assemble-to-order strategy Make-to-order strategy Describe how the Internet-based electronic data interchange (EDI) would be useful. Prepare a

    asked by KeeKee on August 16, 2010
  40. Science

    (I) Explain the term energy transformation. (II) Describe the energy transformation occurring in a swinging simple pendulum. Justify each transformation along the path of swing. (III) A person needs a power supply of 3.5kW for a normal lifestyle. What area

    asked by Moyin on November 3, 2017
  41. physics

    3 part question: A 52-kg girl weighs herself by standing on a scale in an elevator. What does the scale read when: a.)the elevator is accelerating downward at 2.5 m/s2? b.)the elevator is accelerating upward at 2.5 m/s2? c.)the elevator is ascending at 10

    asked by Brandon on February 21, 2011
  42. Calculus

    The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of the perimeter, and the length of one diagonal at the instant when l=15 and w=6.

    asked by Lev on March 1, 2017
  43. calculus

    An object is moving along the graph of f (x)= x2 . When it reaches the point (2,4) the x coordinate of the object is decreasing at the rate of 3 units/sec. Give the rate of change of the distance between the object and the point (0,1) at the instant when

    asked by Lucy on September 23, 2011
  44. Dr Bob 222

    You answered a earlier post on a question for someone with the same question I am trying to answer. The hydrolysis of tocainide you stated only the NH2 group hydrolyses NH2 + HOH -> NH3^+ OH^- I understand that part but I need to understand why the amimine

    asked by Lucy on March 1, 2007
  45. Statistics PLEASE HELP ME!

    Collina’s Italian Café in Houston, Texas, advertises that carryout orders take about 25 minutes (Collina’s website, February 27, 2008). Assume that the time required for a carryout order to be ready for customer pickup has an exponential distribution

    asked by Vanessa on April 8, 2014
  46. english

    Which phrase or sentence in this excerpt from Kurt Vonnegut's "Report on the Barnhouse Effect" demonstrates the use of irony? One long bench had been brought in for the ten of us privileged to watch. The television screens showed, from left to right, the

    asked by paul on April 20, 2017
  47. MRP Operations Managment

    On Hand is the quantity of the item that is on hand at the beginning of period 1. Lead time is the amount of time from when an order is placed to when it arrives. See page 278. Lot Size - LFL means lot-for-lot, we order material only as it is needed. See

    asked by JJ on November 29, 2012
  48. science

    two spheres carrying charge q are hanging from a same point of suspension with the help of threads of length 1 m in a space free from gravity . the distance between them is?

    asked by Juli on July 9, 2012
  49. Physics

    Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh one-half of their earth-weight?

    asked by Don on November 8, 2012
  50. Physics

    Which electromagnetic radiation can be used in space to detect low temperatures? Gamma Rays Infra Red Ultra Violet Or any of the others?

    asked by Jim on November 16, 2011
  51. physical science

    Approximately how long would it take a radio signal to reach the International Space Station (ISS) at an orbital altitude of 350km?

    asked by zina on October 2, 2015
  52. Science

    List at least three atmospheric properties that might change as you traveled from the Earth's surface to space. Temperature, gases, air pollutants?

    asked by Anonymous on February 5, 2016
  53. Social Studies

    A shopper choosing a new oven for his home would likely make a decision based on a scarcity of which of the following? a) money b) time c) stores d) space I think it is d.

    asked by Anonymous on September 5, 2013
  54. Science

    Which electromagnetic radiation can be used in space to detect low temperatures? Gamma Rays Infra Red Ultra Violet Or any of the others?

    asked by Jim on November 16, 2011
  55. social studies

    Where can I find facts about: *Johnson Space Center aka NASA [Houston] *Grand Canyon *Statue of Liberty

    asked by liz on December 14, 2011
  56. biology

    Economists were thinking that if the human population grew unchecked, there wouldn’t be enough living space and food for everyone. What was Malthus’ conclusions?

    asked by Ariel on March 25, 2015
  57. science

    an astronaut in space vehicle traveling from earth to the moon is in potential danger of being harmed by the sun's ultraviolet radiation.

    asked by cynthia on January 24, 2011
  58. Psychology

    Explain how even though images appear on the retina in two-dimensional space, we are able to perceive objects in three-dimensions ====== can someone answer this please? or give me an idea of this question? thanks

    asked by SIST on February 17, 2012
  59. LA- Grade 9

    "Something invisible, seeking shelter from the cruel and pitiless vacuum of space." Is an example of: a. metaphor b. personification c. symbolism d. hyperbole Your help is much appreciated !!

    asked by Maddison on June 17, 2011
  60. DVC

    use the inverse square law to show that in space shuttle territory, 200 kilometers above 94 percent of that at earths surface??

    asked by Anonymous on March 1, 2013
  61. Political Studies

    Hi. I kinda need some help. I need some against points on the topic "That Australia should have a space program" I have already looked at the other posts but I still need more. Oh and any Ideas for a possible split? Thanks in advance Minnie

    asked by Minerva Wisdom on February 28, 2009
  62. Physics

    An austronaut orbits the Earth in the space shuttle, in one complete orbit, is the magnitude of thr displacement the same as the distance traveled?

    asked by Ashley on September 8, 2011
  63. Physics

    Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh one-half of their earth-weight?

    asked by Donald on November 8, 2012
  64. Physics

    Suppose the surface (radius = r) of the space station in the figure is rotating at 38.6 m/s. What must be the value of r for the astronauts to weigh one-half of their earth-weight?

    asked by Anonymous on November 7, 2012
  65. Music

    3. Middle C and the D next to it is one step. -True? 10. A sharp written before an F on a staff applies to a. F and G b. All F's on that one line or space in that measure c. Only that note d. Always two notes C?

    asked by mysterychicen on May 9, 2013
  66. Science

    How many minutes are required for a radio signal to travel from Earth to a space station on Mars if Mare is 7.83 x 10 to the 7th power km?

    asked by Margaret on October 8, 2012
  67. history

    A shopper choosing a new oven for his home would likely make a decision based on a scarcity of which of the following? a) money b) time c) stores d) space I think it is d.

    asked by HELPWITHMYCONNEXUSLESSON on March 16, 2017
  68. Math

    How many bricks of size 20cm×10cm×5cm are required to Build the wall leaving 10%of the space for the cement work?

    asked by Isha on December 1, 2016
  69. math

    A trigonmetric polynomial of order n is t(x) = c0 + c1 * cos x + c2 * cos 2x + ... + cn * cos nx + d1 * sin x + d2 * sin 2x + ... + dn * sin nx The output vector space of such a function has the vector basis: { 1, cos x, cos 2x, ..., cos nx, sin x, sin 2x,

    asked by mathstudent on January 17, 2008
  70. home insurance

    the type of life insurance often used as mortagage insurance is: A.decreasing term B.universal life C.whole life D.homeowners insurance i got B

    asked by Ciara on October 16, 2011
  71. Chemistry

    1) The rate expression for the reaction 2 SO2 + O --> 2 SO3 is given by rate = k [SO2]2[O2]. The overall order of this reaction is: first order 2)The rate reaction between A and B is expressed as rate = k [A][B]. To produce the greatest increase in the

    asked by Anonymous on December 23, 2007
  72. Science

    Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain (see page 79 in the Laboratory Manual). The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of the parcel is 3000 feet.

    asked by Sandra on June 5, 2012
  73. chemistry

    Consider the reaction: A + B −> C If it is 2nd order in A and 0 order in B, a plot of [B]−1 vs time will be... a. linear and negative b. exponential and negative c. linear and positive d. equal to zero e. exponential and positive

    asked by Eddy on April 6, 2011
  74. Chemistry

    Write a brief discussion of the relationship between the atomic spectrum (number and position of the lines) and the electronic structure (shell model) of the gases. I know that the bigger the atom, less energy and so does that have something to do with

    asked by Anonymous on September 2, 2015
  75. cda

    Prop boxes, uniforms and other clothing, and a variety of dramatic sets can help children structure A. tie dying. B. hide-and-seek. C. sewing. D. fantasy play My answer is D

    asked by Kaleisha on April 1, 2015
  76. cultural diversity

    Using the “think-pair-share” structure is a great strategy to reach students with which learning style? A. Visual/Verbal B. Active/Reflective C. Sensory/Intuitive D. Sequential/Global I think C

    asked by Lauren on October 15, 2015
  77. Chemistry

    Palladium crystallizes with a face-centered cubic structure. It has a density of 12.0 g/cm^3, a radius of 138 pm, and a molar mass of 106.42 g/mol. Use these data to estimate Avogadro's number.

    asked by . on January 17, 2010
  78. Business

    In an industry with a relatively unattractive structure, is it advisable to pursue a me-too strategy? Could Trader Joe’s have succeeded by simply offering a slight variation on the traditional grocery store model?

    asked by Lyra on January 29, 2018
  79. Physics

    I built a structure to protect an egg as we dropped it from increasing heights. Its last height was 3 m and it weighted .093 lbs. Can someone tell me how to calculate the final velocity? I don't know how to do this by ignoring time.

    asked by Anonymous on November 30, 2009
  80. Biology

    Which of the following is true for the nucleus? A) It has no definite structure B) It is surrounded by membrane C) It is the eukaryotic cell's energy-producing organelle D) It is closely associated with the Golgi apparatus. E) It is always bluish purple in

    asked by S on January 12, 2016
  81. biology

    The structure of chromosomes is best explained as DNA broken apart into separate genes. extended to form very long, thin molecules. wrapped tightly around associated proteins. coiled up into a ball.

    asked by ballamoney1 on April 15, 2010
  82. sociology

    how can structure-agency debate help us to understand better the challenges faced by MaMarrandi? based on Steinberg's (2008) The Three Letter Plague (page 134-145, 184-193)

    asked by phathutshedzo on March 4, 2009
  83. Chemsitry

    Use these data to estimate Avogadro's number. Palladium crystallizes with a face-centered cubic structure. It has a density of 12.0g/cm^3 , a radius of 138 pm , and a molar mass of 106.42 g/mol .

    asked by Lauren on June 17, 2012
  84. HCS 320

    describe the national incident command structure i am supposed to do this on a disaster planning presentation and i need help ive been just so busy and this is due today i just need a little help or push in the right direction to get me started because im

    asked by samatha URGENT on July 10, 2010
  85. psychology

    Wilhelm Wundt created a form of self-observation called _____ that he used in an attempt to understand the mind and the structure of thought processes. psychoanalysis reinforcement introspection conditioning A?

    asked by Bri on August 3, 2018
  86. teas

    which of the following is the main function of vitamins? A.provinding structure to cell membrane B.supplying brain with energy source c.Facilitating action of enzymes D.Promoting absorption of carbohydrates

    asked by irene on June 15, 2016
  87. Chemistry

    In a closed container 1L of chlorine reacts with 1L of nitrogen and 1L of hydrogen. I need to give lewis structure, vsepr, box notation for valence electrons etc. (i know how to do this) But I'm doubting on what the reaction equation would be.

    asked by Nicolas on January 15, 2016
  88. Chemistry

    In 3-4 sentences, identify how the geometric structure of NF3 is different than that of NF4+. Explain how the geometry affects the ability of the molecules to experience a dipole effect. (I did the Lewis diagrams for both but I don't know what to do after

    asked by Madison on May 21, 2015
  89. Chemistry

    What chemical feature in the protein dictates the local secondary structure? α-helix β-pleated sheet random coils amino acid sequence pH hydrogen bonding

    asked by jo on May 31, 2013
  90. chemistry

    The molar volume of a certain form of solid lead is 18cm3/mol. Assuming cubic closest packed structure, determine the number of Pb atoms per unit cell.

    asked by Sandy on November 3, 2012
  91. programming

    How to work this programming problem- Write a program that allows the user to input a total dollar amount for an online shopping order and computers and outputs the shipping cost based on the following schedule Order total Ship within USA Ship to Canada

    asked by Bettie on February 16, 2012
  92. Physics

    A team is chosen to design an orbiting space station that is shaped like a wheel 5o meters in diameter with is mass of 4*10^5 kg contained in the rim portion of the wheel. The space station will rotate at a rate such that a person working in the wheel will

    asked by Malcom on April 23, 2009
  93. Geography

    I don't get any of it! Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain (see page 79 in the Laboratory Manual). The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of

    asked by CNM on July 15, 2013
  94. statistics/please check calculations

    questions reads as follows: sat scores around the nation tends to have a mean score around 500, a standard deviation of 100 points and are approximately normal distribution. a person who scores 600 on the sat has approximately what percentile rank within

    asked by mary on October 16, 2010
  95. 5th Grade Math

    Complete each pattern: 25,_____61,_____ We are thinking 43 and 80 since you can count up and down by even and odd. 64,_____,_____,_____,32 This one is no clue 25,43,61,80 YOUR RIGHT ABOUT THIS ONE 32,40,48,56,64 YOU GET THE ANSWER BY MULT BY 8'S Thank you

    asked by Trudy & Mark on October 5, 2006
  96. calculus

    y=5/x-3 find the zeros,relative min and max.the max and min find the intervals on which yis positive or negative. on which y is decreasing.intervals y concave up or down.points of inflections

    asked by donna on December 20, 2008
  97. math

    Two sides of a triangle have lengths 15 m and 18 m. The angle between them is decreasing at a rate of 0.08 rad/s. Find the rate at which the area of the triangle is changing when the angle between the sides of fixed length is 120°.

    asked by christina on October 21, 2013
  98. Electrochemistry

    In lab, we did an experiment with electrochemical cells with solutions of ZnSO4, CuSO4, Al2(SO4)3 and MgSO4 and their respective metal electrodes. There are a couple of post-lab questions that I'm not sure about: (1) Summarize Part A with a data table

    asked by Donna on May 16, 2008
  99. Project management

    work breakdown structure deliverables are ignored and replaced with activities or tasks that have been grouped in phases True or false? ****(False)

    asked by Patti on April 6, 2014
  100. Government

    Use what you've learned about the structure of Russia's government and the power of its branches to describe how public policy is created in Russia today

    asked by Teezy on May 18, 2017