1. physic

    A 1.57-kg particle initially at rest and at the origin of an x-y coordinate system is subjected to a time-dependent force of F(t) = (7.00ti − 8.00j)N with t in seconds. (a) At what time t will the particle's speed be 19.0 m/s? s (b) How far from the

    asked by joy on February 8, 2018
  2. corporate finance.

    At any given time how would the yeild curve facing a AAA-rated company compare with the yield curve for u.s. treasury securities? At any given time how would the yield curve facing a BB-rated company compare with the yield curve u.s. treasury securities.

    asked by terra on September 23, 2009
  3. math

    find the trigonometric form of -12-12(square root)3i a. 24(cos2pi/3 + isin 2pi/3) b. 24(cos4pi/3 + isin 4pi/3) c. 12(cos 4pi/3 + isin 4pi/3) d. 12(cos12pi/3 + isin 2pi/3) e. 12(squareroot) 2 (cos4pi/3 + isin 4pi/3)

    asked by laura on July 16, 2016
  4. Chemistry

    Hydrogen gas, H2, reacts with nitrogen gas, N2, to form ammonia gas, NH3, according to the equation 3H2(g)+N2(g)→2NH3(g) PArt 1: How many grams of NH3 can be produced from 3.26 mol of N2 and excess H2. Part 2: How many grams of H2 are needed to produce

    asked by Rose on February 7, 2017
  5. Integration?

    Sorry, i have a load of questions on integration... thanks for any help provided! Evaluate the integrals: limit 0 to pi/4 ∫ [sec^2x]/[5+tanx] dx limit 0 to pi/6 ∫ [3cos3x]/[3+sin3x] dx limit 0 to 3 ∫ [2x-1]/[x^2-x+1] dx

    asked by Arisa on June 19, 2009
  6. math help!

    bernardo folds the 2 top corners of a rectanglular piece of paper to form 2 conguent triangles and an isosceles trapezoid. The triangles each have an angle that measures 65. what are the measures of the 2 top angles in the trapezoid? a. 25 and 25 because

    asked by DeNawQisha on December 7, 2010
  7. Chemistry

    A pediatrician prescribes the antibiotic amoxicillin to treat a child suffering from an ear infection. The prescribed dose is to be 72.1 mg of drug per kilogram patient body mass per day. The drug is to be administered twice each day in the form of a

    asked by Erin on September 19, 2017
  8. Chem Help PLEASE

    A pediatrician prescribes the antibiotic amoxicillin to treat a child suffering from an ear infection. The prescribed dose is to be 72.1 mg of drug per kilogram patient body mass per day. The drug is to be administered twice each day in the form of a

    asked by Kate on September 19, 2017
  9. Chemistry

    How do write a skeleton equation for this reaction? When heated, baking soda (sodium hydrogen carbonate) decomposes to form the products sodium carbonate, carbon dioxide, and water. Can someone please break it down so i can see how you got that ansewer?

    asked by Bryan on March 15, 2007
  10. Chemistry

    Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5860 g were dissolved in water. They were oxidized to convert all the sulfur to sulfate ion, which was precipitated by adding an excess of barium chloride

    asked by chica on September 29, 2013
  11. english

    can you please help me make these sentences better. i was just saying that p diddy and jay gatsby form the the book th great gastby are related because they both lose their father at a young age and are exposed to the scoity around them. P Diddy relates to

    asked by yesudas on August 27, 2011
  12. Chemistry

    A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen. Based on these

    asked by Ana on August 29, 2010
  13. chemistry

    Carbon Dioxide reacts with water in blood plasma to form carbonic acid. The equation for this reaction is showing on page 51. Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and

    asked by hienz on June 15, 2012
  14. Chemistry

    Earlier I asked for a definition of non-volatile. Given the fact that it won't evaporate at all, does it mean that a non-volatile substance is stable in whatever state it is in at room temperature? Thanks again ahead of time Not necessarily. Non-volatile

    asked by Mercedes on January 24, 2007
  15. Pre-Calc

    The cable in the center portion of a bridge is supported by five pillars to form a parabola. The center support is 10 ft high, the tallest supports are 210 feet high, and the distance between the two tallest supports is 400 ft. Find the height of the two

    asked by Tori on December 3, 2012
  16. Trig

    I need help with this application. A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. It is found to be 53 degrees.

    asked by Hutch on October 27, 2015
  17. chemistry

    when aluminum metal reacts with iron (III) oxide to form aluminum oxide and iron metal, 429.6 kJ of heat are given off for each mole of aluminum metal consumed, under constant pressure and standard conditions. What is the correct value for the standard

    asked by sylvia on December 2, 2008
  18. programming

    Using Raptor, create a condition loop that will ask the user for input of two numbers. The numbers should be added and the sum displayed. The loop should also ask the user if he or she wishes to enter two more numbers and perform the operation again, the

    asked by Chris on November 28, 2012
  19. Art

    Can you please have a look at these sentences, please? 1) This information about the Augustan Age was not asked for in your test. You weren't supposed to introduce the Augustan Age. You should have focused on both Walpole's and Pitt's policy, the rise of a

    asked by Jack on May 23, 2012
  20. Physics

    A)When point charges q1 = +1.5 ìC and q2 = +5.7 ìC are brought near each other, each experiences a repulsive force of magnitude 0.77 N. Determine the distance between the charges. B)Two point charges are fixed on the y axis: a negative point charge q1 =

    asked by Kelli on October 1, 2011
  21. Algebra II

    PLEASE HELPPPPPP What are the possible numbers of positive, negative, and complex zeros of f(x) = x4 + 3x3 − 2x2 + 1? (6 points) Positive: 2 or 0; negative: 2 or 0; complex: 4, 2, or 0 Positive: 2, or 0; negative: 4, 2 or 0; complex: 4, 2, or 0 Positive:

    asked by HHELLPPPPPP on December 6, 2016
  22. supply chain management

    As the owner of Wildstyle Music you would like to develop an inventory ordering policy which has at most a 10% probability of stocking out. Expected demand for professional mixing headphones is 2190 per year. The store is open 365 days per year. Every two

    asked by Fatmata Isha Bah on November 16, 2016
  23. Math

    a model rocket is launched from roof into a large field the path of the rocket can be modeled by the equation y= -0.02x^2+2.3x+6 where x is the horizontal distance ,in meters,from the starting point on the roof and y is the height in meters,of the rocket

    asked by AP on May 27, 2018
  24. Anatomy and Physiology

    Hello! Thanks in advance for checking my question! ____ 3. Lacrimal bones form the walls of the (1 point) a) eyes. b) nose. c) mouth. d) ears. My Answer: A I'm not sure on this one, and the book doesn't have much information about it. The book says,

    asked by Da Fash on November 9, 2017
  25. Chemistry 12

    Solid phosphorous is found in two forms: white phosphorous (P4) and red phosphorous (P). White phosphorous is the standard state. The enthalpy of the formation of red phosphorus is -17.6kJ. When 32.6 g of white phosphorous reacts to form red phosphorous.

    asked by Zack on January 18, 2013
  26. Math

    A bottle rocket travels along a parabolic path and reaches a maximum height of 21 feet after traveling a horizontal distance of 7 feet. A) Write a quadratic function of the form y=a(x-h)^2 +k that models the bottle rocket's path, assuming it leaves the

    asked by Jamie on December 7, 2014
  27. Tax

    Fay, a sole proprietor is engaged in a cash basis, service business. In the current year, she incorporates the business to form Robin Corporation. She transfers assets with a basis of $400,000 (fair market value of $1.2 million), a bank loan of $360,000

    asked by Ana on October 4, 2009
  28. math

    a person with no more than $15,000 to invest plans to place the money in two investments. one investment is high risk, high yield: thfe other is low risk, low yield. at least $2,000 is to be plaaced in the high-risk investment. furthermore, thfe amount

    asked by diana on September 7, 2009
  29. French

    In this assignment, you are going to say what part of the body hurts you after reading the sentence that is there. Ce devoir vaut 20 points. Tu as vu la télévision pendant 5 heures. Tu as mangé beaucoup de chocolats. Tu as bu beaucoup d'eau après de

    asked by faith on November 10, 2012
  30. computer science

    I have a horrible TA as a professor with a bad Indian accent that I cant understand and I am very confused with what we are doing. Encrypt the following byte message into its Cipher and again decrypt it into original form based on RSA public key

    asked by Anonymous on October 26, 2008
  31. statistics

    Suppose a new treatment for a certain disease is given to a sample of n=200 patients. The treatment was successful for 166 of the patients. Assume these patients are representative of the population of individuals who have this disease. (a) Calculate the

    asked by Kya on April 5, 2012
  32. english

    Summarize the paragraph into only the most important points "Here is one of the most familiar forms of the vicious circle of poverty. The poor get sick more than anyone else in the society. That is because they live in slums, jammed together under

    asked by anton on November 22, 2018
  33. chemistry

    How can i Fill in the missing words Ionisation energy, water, melting point, electronegativity, non-polar, solvent, pair, boiling points, polar A covalent bond is formed when a 1________ of electrons is shared between the bonding atoms.when the electrons

    asked by dennis on June 15, 2015
  34. Interpersonal communication

    Dale, a minister, and his wife Jan had plans for a “date night.” An emergency arose with a congregational member. Dale calls Jan saying, “I know how much we were both looking forward to our time alone tonight. I just heard from Jose that is wife is

    asked by Christopher on September 6, 2015
  35. goverment help

    Which of the following is not a minor party in the history of the United States? Know-Nothing Free Soil Labour Socialist Which of the following is the most common party system in the world today? a group of people seeking to advance their ideas an

    asked by yamean on May 21, 2015
  36. math

    Oregon is about 400 miles from west to east, and 300 miles from north to south. If the image of Oregon on a map is 15 inches tall (form north to south), about how wide is the image of Oregon on the map?

    asked by bob on February 6, 2014
  37. math

    The sum of the 1st nine terms of an arithmetic series is 216. The 1st,3rd and the 7th terms of series form the 1st three terms of a geometric series. Find the 1st term and the constant difference of the arithmetic series ?

    asked by mpho makua on August 14, 2016
  38. Math

    Ms. Billets used 2 feet of yarn to make an ornament. Write this lenth as a fraction of the total lenghth of yarn she bought. Is this fraction in simplest form? Explain. Ms. billets bought a total of 6 feet of yarn.

    asked by Esther on February 17, 2011
  39. Organic Chemistry

    acetic acid and isopentyl alcohol form isopentyl acetate and water The excess reagent is acetic acid, and the limiting reagent is isopentyl alcohol. How great is the molar excess (how many times greater)?

    asked by Jim on November 1, 2010
  40. English

    UNICEF 1. the United Nations International Children's Fund 2. United Nations International Children's Fund (What is the full form of UNICEF? Do we have to add 'the' or not? Thank you. And let me know a website which contains the explanation about the

    asked by rfvv on November 22, 2009
  41. geometry

    State whether the following numbers make a right triangle and a Pythagorean triple: 2, 2 root 2, and 2 root 3 I am pretty sure that both answers are no, because 2 squared and 2 root 2 squared equal 8, whereas 2 root 3 squared equals 6, so it cannot form a

    asked by Morgan on April 4, 2015
  42. maths

    A Toy is in the form of a hemisphere surmounted by a right circular cone of the same base radius as that of the hemisphere .If the radius of base of the cone is 21 cm and its volume is 2/3 of the volume of hemisphere calculate the height of cine and

    asked by simran on December 4, 2012
  43. college ststistics

    A. find the binomial probability p(x=5) where n=14 and p=0.30. B. setup without solving the binomial probability p(x is at most 5) using probability notation C. how would you find normal approximation to the binomial probability p(x=5) in part A. please

    asked by melba on June 3, 2012
  44. Math

    A DVD producer has fixed costs (factory, machinery, and money paid to the recording artist) of $406,000. Additionally, for every DVD produced, the company spends $5 for materials and labor. The DVDs can be sold for $12 each. a) Define a function, which

    asked by LimaBeans93 on January 24, 2012
  45. math

    Hi I wanted to check my work for this problem. Consider the points A(1,0,0) B(2,2,2) and C(0,2,1). 1) Find the vector CA x CB I got -2i -3j +4k for this 2) Find an exact value for the area of the triangle ABC. I got sqrt29/2 for this. 3) Plane II(1) is

    asked by greg on April 19, 2017
  46. math

    Mr. Simon landscapes new houses for a building contractor. He charges by the square meter of yard space plus a setup fee. He billed the contractor $2,150 for a 400-square- meter yard and $1,650 for a 300-square-meter yard. Write an equation in the form y =

    asked by Anonymous on June 17, 2014
  47. United States Government

    The United States has this form of government. *representative democracy *monarchy *direct democracy *constitutional republic I think it may be D since a constitutional republic had a government with limited power where the people are the main government

    asked by Nina on September 12, 2011
  48. History

    Which of the following best describes why sit-down strikes resulted in success for workers? A Owners lost more money the longer strikers occupied the factories. B The strikes forced workers to agree to management’s terms. C The strikes allowed workers to

    asked by Kate on February 3, 2017
  49. math

    A rectangular box is built by cutting out square corners from a 9" by 11" piece of cardboard, then folding the resulting flaps up to form the height. Let x represent the sides of the square corners being cut out. Express the volume of the box as a function

    asked by Keonn'a on October 26, 2018
  50. Physics

    ou are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of F = +214i − 171k N to try and move the 64.0-kg refrigerator. The coefficient of static friction is 0.660. (a) How much static frictional force does the

    asked by Anonymous on September 24, 2015
  51. statistics

    14. Total plasma volume is important in determining the required plasma component in blood replacement theory for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that sample of

    asked by Anonymous on December 19, 2010
  52. math

    There are five questions on the section. These questions are for you to demonstrate your understanding of the steps related to the contents you studied this week. To earn any points in part two, you must show the steps you have used to find the answer in

    asked by harmony on August 16, 2010
  53. English

    I need help paraphrasing Canto I by Ezra Pound. I have to write it in paragraph form and I can't leave anything out. I'm having trouble with a few lines. "And then went down to the ship, Set keel to breakers, forth on the godly sea, and" "Circe's this

    asked by Karen on October 23, 2009
  54. English Question about Stereotypes

    Does contemporary literature encourage young readers to look beyond Australian stereotypes? I actually need at least 5 argumentative points on Contemporary literature does not encourage young readers to look beyond Australian stereotypes.

    asked by Rianna on April 25, 2012
  55. word problem

    Eduardo scored 29 points in his last basketball game. He only scored 2-point field goals and 3-point feild goals. If he made 12 field goals in the game, how many of each type did he make? Let x represent the number of 2-point field goals and y represent

    asked by Carlos on May 5, 2017
  56. To MathMate

    Yep you are right, we are helping each other out... actually we have the problems in a multiple choice format, but we cant get the answers, if u may help us... here is the list of problems with the choices,... tnx Question2 In (dy/dx) + yP(x) = y^n Q(x),

    asked by Amber on December 14, 2009
  57. solid mensuration? help.

    Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a large hollow cylinder about 6 ft. long and 1 1/2 ft. in diameter. This was cut longitudinally and then placed in an oven and heated

    asked by sara on May 12, 2012
  58. English

    Hello! I'm writing a story for English class, and it's supposed to be somewhat like 'the devil and Tom walker'. I'm don't know how I should start the story so could someone maybe give me some ideas? (: The main character is Lilith Thompson. The setting is

    asked by Tamiyah on September 16, 2012
  59. English assignment

    I'm trying to introduce dishonesty around the world in my first sentence of this paragraph. Around the world, there are many cases of dishonesty being committed in the form of lying, cheating and stealing. Is this sentence correct? Is it a good sentence to

    asked by Bob on October 6, 2015
  60. Philosophy

    Please help answer these questions Argument: Anything is possible Therefore, it must be possible that something is impossible This is a contraction - Not everything is possible because anything is possible. Types of appeals in arguments (Aristotle) Pathos

    asked by Justin on May 16, 2012
  61. Chemistry

    Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. of hard water contains 0.021 M of Ca and

    asked by Brennan on September 27, 2011
  62. science/chemistry

    HELP,HELP,HELP,HELP How can you tell that cobalt(II) iodide is binary ionic compound formed by a transition metal with more than ionic charge? Thanx in Advance form jeff Cobalt(II) chloride tells you it is binary (composed of two different atoms), cobalt

    asked by Jeff on January 5, 2007
  63. Chemistry

    (a) Propylene, H2C=CH-CH3, can be reacted to form a polymer known as polypropylene (PP). What type of polymerization reaction is most appropriate for the formation of polypropylene? i)Addition Polymerization ii)Anionic Polymerization iii)Condensation

    asked by Chemgam on January 11, 2013
  64. English

    hello, I have to write a research paper on a paticular author. I chose Mary Shelly since we just finsihed reading Frankenstein. I need to narrow down my topic to make it more specific. I don't know how to start. I want to somehow relate her life with

    asked by Anonymous on February 18, 2008
  65. Math

    john and Julia are playing a game of darts. For each round, eqch of them throws exactly one dart and receives the number of points indicated in region of dartboard where the dart lands. Just after the first round , the dartboard looks like the diagram

    asked by Nick on February 12, 2015
  66. Algebra

    8. Mark wants to purchase a combination of at least 16 turkey subs or roast beef subs for a party. Each turkey sub, , is priced at $5 and each roast beef sub, , is priced at $4. Mark has at most $80 to spend on the subs. A. Write a system of inequalities

    asked by Daniela on July 13, 2015
  67. math

    A small grocery store offers two different brands of milk. Brand A 2% milk costs $3.50 a gallon. Brand B whole organic milk costs $3.00 for a half-gallon plus a one-time deposit of $1.50 for the glass jug. Once the glass jug deposit has been paid, the jug

    asked by lennstina on November 19, 2017
  68. Science

    The earth is in constant motion. It rotates and revolves. Which of the following is NOT TRUE of the Earth's motion? 2 points A Due to the revolution of the Earth, we experience seasons. B The Earth rotates on its axis once every 24 hours. This causes day

    asked by SimPug on March 7, 2018
  69. accounting

    Marvin is planning to open a fabric dyeing business. He plans to do large scale dyeing of both fabric bolts and ready-to-wear garments. The source of business will be garment makers and cleaners. He has worked in this part of the fashion industry and knows

    asked by China on February 25, 2009
  70. accounting

    Marvin is planning to open a fabric dyeing business. He plans to do large scale dyeing of both fabric bolts and ready-to-wear garments. The source of business will be garment makers and cleaners. He has worked in this part of the fashion industry and knows

    asked by China on February 26, 2009
  71. English

    1. Aidan cannot play chess. 2. Aidan can not play chess. 3. Aidan can't play chess. ======================= Are they all grammatical? Which one do we use in everyday speech? Which one is used in a written form?

    asked by rfvv on June 14, 2018
  72. civics

    I couldn't not find the answer to this in my book. The county form of local government is found in a. about half the states, b. all but two states, c.only 2 states, d. fewer then half of the states. I am guessing that since my book says " over the past

    asked by Tiffany on April 26, 2010
  73. English - ms. sue

    Ms. sue for the persasive essay on glass castle, you tell me to give examples in essay to prove thesis which be that her father be better parent. The teacher say there have to be 4 bodies. So the first one be introduction, second one and third one be

    asked by Mohammad on April 27, 2012
  74. Chemistry

    A geologist removes a sample of water from a lake in Nevada where the water level has been slowly dropping over time. The sample is found to be 0.02M in borax. The lake is circular in shape and is currently 500 meters in diameter and 50 meters deep. Using

    asked by Jematormal91 on April 30, 2012
  75. Physics URGENT!!!

    : A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Meg on October 29, 2012
  76. Physics- Elena please help!

    A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Meg on October 29, 2012
  77. Statistics

    Problem 1 The distribution of ages in the United States in the year 2010 is given below. Intervals include the left endpoint but not the right; the number of people aged 100 or more was not zero but it was so small that it makes no difference to the table.

    asked by A on February 25, 2013
  78. Physics URGENT!!!

    A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Mel on October 27, 2012
  79. physics

    A massless spring of constant k =60.9 N/m is fixed on the left side of a level track. A block of mass m = 0.7 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Anonymous on November 5, 2012
  80. Physics

    An infinitely long, solid insulating cylinder with radius a has positive charge uniformly distributed throughout it with a constant charge per unit volume p. a) using Gauss's law, derive the expression for the electric field inside the cylinder ra c)

    asked by Sally on June 15, 2016
  81. Chemistry

    Why is a change in temperature also considered a sign of a chemical change? When molecules move around more frequently due to the temperature change, they are more likely to collide with other molecules. When bonds are broken or formed in a chemical

    asked by Quinn on November 30, 2018
  82. physics

    Two liters of nitrogen combine with 6 L of hydrogen to form 4 L of ammonia. If the molecules of nitrogen and hydrogen have two atoms each, how many atoms of hydrogen and nitrogen are there in one molecule of ammonia?

    asked by Ashley on November 22, 2013
  83. Science

    Three liters of nitrogen combine with 9 L of hydrogen to form 6 L of ammonia. If the molecules of nitrogen and hydrogen have two atoms each, how many atoms of hydrogen and nitrogen are there in one molecule of ammonia?

    asked by Kayla on February 24, 2015
  84. Math: Please help

    1. What is the simplified form of squared root 140? A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the square root of 70 D.) 2 to the square root of 35 Please show me how to do this Thank You

    asked by Jim on March 12, 2013
  85. math

    A bag has 40 marbles. There are 25 red marbles. The other marbles are black. What is the ratio of black marbles to red marbles in the lowest form?

    asked by Uniqua on September 20, 2017
  86. Math/ Computers

    Posted by Ariel on Saturday, November 10, 2007 at 4:33pm. So I need a function (parameters: origin x, origin y, destination x, destination y, object x1, object y1, object x2, object y2). The object in this case would be a wall with two points (x1, y1, x2,

    asked by Ariel on November 12, 2007
  87. Geography

    What are the basic activities in each of the four economic activity levels? My answer: Primary activities involve gathering raw materials such as timber for immediate use or use in the making of a final product. Secondary activities involve adding value to

    asked by Anonymous on September 5, 2013
  88. Calculus

    Determine whether or not each of the following functions is invertible. Give your reasons for believing the function is invertible or not. Please check this for me. I am not sure if I am adequately explaining my answer and if my answer is right. a) y=

    asked by C on March 23, 2011
  89. algebra

    of 8 Multiple Choice: Please select the best answer and click "submit." The rule below shows how to find the distance traveled of an object thrown downward with initial velocity of 3 feet per second. Which answer expresses that rule in the form of an

    asked by guerline on February 13, 2012
  90. AP Chemistry

    Iron pyrite (FeS2) is the form in whichmuch of the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron pyrite to produce iron(III) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to

    asked by Anonymous on October 15, 2013
  91. Physics

    A hockey player is initially moving at 5.00m s to the east. Her mass is 50.0 kg. She intercepts and catches on her stick a puck initially moving at 35.0m s at an angle of 30 degrees (Fig. 6.40). Assume that the puck’s mass is 0.50 kg and the two form a

    asked by Dave on April 1, 2015
  92. chemistry

    Consider the following two reactions: 5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form

    asked by sailor on January 9, 2012
  93. Teaching Special Education

    (1) Create a PowerPoint presentation (PPT) that defines and describes self-determination. (a) Include the process of teaching self-determination and the outcomes (15 slides required). (b) Cite references in-text (three references required). (c) If

    asked by anissa on March 30, 2011
  94. SCIENCE

    CAN SOMEONE PLEASE HELP ME AND TELL ME IF IM RIGHT even a guess would be good ive been trying 4 a answer since 6:00 PLEASE help me :/ i think that the 2nd one is correct because i no that energy is not lost when water is boiled it is gained because of the

    asked by bobbi on April 28, 2009
  95. calculus

    A reservoir is in the form og the frustum of a cone with upper base of radius 8ft and lower base radius of 4 ft and altitude of 10ft. The water in the reservoir is xft deep. If the level of the water is increasing at 4ft/min., how fast is the volume of

    asked by Light on April 27, 2013
  96. Calculus

    Would you please check my answer to make sure I did it right? Bus travel, a bus company finds that monthly costs for one particular year were given by C(t) = 100 + t^2 dollars after t months. After t months the company had P(t) =1000 +t^2 passengers per

    asked by Erin on October 9, 2014
  97. chemistry Help

    Consider the following two reactions: 5 Fe2+(aq)+MnO41-(aq)+8 H1+(aq)-->5Fe3(aq)+Mn2+(aq)+4 H2O(l) 2 MnO41-(aq)+5 C2O42-(aq)+16 H1+(aq)-> 2 Mn2+(aq)+CO2 g)+8 H2O(l) Both of these reactions result in the purple permanganate (MnO41-(aq)) ion reacting to form

    asked by sailor on January 10, 2012
  98. science- I need help!

    1. How do you know when something is gas? 2. What is gas made of? [I think it's molecules and atoms?] 3. How do you know when something is matter? [I believe that when something has a mass and volume..its matter. Is that correct? 4. Is gas matter? [This

    asked by Jeanine on January 23, 2008
  99. science

    1. How do you know when something is gas? 2. What is gas made of? [I think it's molecules and atoms?] 3. How do you know when something is matter? [I believe that when something has a mass and volume..its matter. Is that correct? 4. Is gas matter? [This

    asked by Jeanine on January 23, 2008
  100. Chemistry

    4) Using your initial mass of copper (0.38), calculate the minimum volume of concentrated 12M nitric acid needed to completely react with your copper to form copper (II) nitrate 5) Using your answer from question 4 (2x10^-3 L), calculate the minimum volume

    asked by Anonymous on September 22, 2014