1. Motion Problems

    A satellite which travels around the earth has a power supply that provides power according to the formula: P =(17200)/(t + 100) where t is the number of days the satellite is aloft. Find the rate at which power is decreasing after 380 days. rate in

    asked by Brownie on January 29, 2013
  2. Solar Energy

    Family Cartman has a small house in the country side which is not connected to the grid. The place enjoys 4 equivalent sun hours. Therefore, Mr Cartman has decided to install an off-grid PV system in the house to supply the required electicity in the

    asked by Anonymous on November 14, 2013
  3. Social Studies

    Although southern Mesopotamia is a hot, desert region, why was it able to become the cradle of civilization? Select all that apply. A. Nomads developed aggressive herding techniques. B. Flooding of the Tigris and Euphrates Rivers brought good soil. C.

    asked by Bri on September 18, 2018
  4. stats

    Anita's a fast food chain specializing in hotdogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant so it can make decisions reguarding possible construction of the in-store play areas.the attendance of

    asked by Riley on October 1, 2016
  5. English

    Here are the linguistic objectives which I'm going to vary as English should be the lingua franca. Is it correct to mention the objectives using the gerund??? They didn’t consider the pupils’ point of view. What do you think? 1) Linguistic objectives :

    asked by Henry2 on February 8, 2012
  6. Stats

    Hello, I need help determining what x and y are in this question.inoder to answer this question:What is the correlation between the rankings of the two psychiatrists? A psychologist has constructed a paper and pencil test purported to measure depression.

    asked by Lou on April 1, 2009
  7. stats

    Hello, I need help determining what x and y are in this question.inoder to answer this question:What is the correlation between the rankings of the two psychiatrists? A psychologist has constructed a paper and pencil test purported to measure depression.

    asked by Lou on April 1, 2009
  8. calculus

    I have spilled 200cm^3 of vegetable oil on my kitchen floor. The resulting oil slick can be modeled as a cylinder with a very small height; the height is decreasing at a rate of 1/1000πcm/sec and the radius is currently 50cm. How quickly is the radius of

    asked by lisa on March 17, 2013
  9. math

    A 300 kVA transformer has a primary winding resistance of 0.4 Ω and a secondary winding resistance of 0.0015 Ω. The iron loss is 2 kW and the primary and secondary voltages are 4 kV and 200 V respectively. If the power factor of the load is 0.78,

    asked by Anonymous on May 18, 2013
  10. Physics

    A hydraulic press has an input cylinder 4.0cm in diameter and an output cylinder 16cm in diameter. (a) Assuming 100 percent efficiency, find the force exerted by the output piston when a force of 170N is applied to the input piston.

    asked by Anonymous on May 28, 2016
  11. Chemistry

    Calcium fluoride is the well-known mineral fluorite. It is known that each unit cell contains four Ca2+ ions and eight F- ions and that the Ca2+ are arranged in a face-centered cubic lattice. The F- ions fill all the tetrahedral holes. The edge of the CaF2

    asked by Jay on April 18, 2011
  12. chemistry

    three compounds A,B and C all have the formula C5H8. All three compounds will decolorize bromine in CCl4. Compound A reacts with NaNH2. Compounds A and B both yield pentane when they are treated with excess H2 with the pt catalyst. Under the same

    asked by alli on June 7, 2011
  13. stemplot one more question

    No, I don't think you should round the data. The stems should probably be the numbers 13,14,15,...,19 Line them up like this with the leafs to the right S L 13 |9 14 |8,9 15 |2,8 . . . You can finish it. Starting the stems with 1 would accomplish nothing

    asked by Anonymous on August 31, 2006
  14. English

    Hello! I am writing observation jornals and have problems with defining of 2 global aims. 1.young learners of EFL have learned yesterday one word in their English class.How can I define the global aim? I need to start with "By the end of the lesson,

    asked by cary on June 15, 2009
  15. Calculus

    Let F(x)=int from 0 to x of (t-3)/(t^2+7) dt for -infinity

    asked by Kate on January 25, 2012
  16. statistics

    Assume that you own a small factory. A critical piece of machinery in your factory will need to be replacedin 180 days. If the machinery does not show up on time, you will need to shut down until it arrives. This might cause you to permanately lose

    asked by Bri on March 30, 2011
  17. Science

    What kind of Information can a Compound microscope provide? Much more information than I can type for the next three months. Blood cells, animal parts, leaf structures, snow flakes, and you get the idea. I was sick about two weeks when I was a child and we

    asked by marco on September 10, 2006
  18. Math

    A satellite which travels around the earth has a power supply that provides power according to the formula: P = 17200/t + 100 where t is the number of days the satellite is aloft. Find the rate at which power is decreasing after 380 days. rate in watts/day

    asked by Brownie on January 29, 2013
  19. physics

    why does an ideal fluid move faster through a pipe with decreasing diameter? a. the pressure within the fluid increases b. the pressure within the fluid decreases c. the pipe exerts more pressure on the fluid d. the fluid moves downhill C? the pressure in

    asked by y912f to bobpursley on February 18, 2009
  20. i need help completing this MATH question!

    ORDER OF OPERATIONS step 1. first do operations that accur within_____________. step 2. then evaluate_________. step 3. then do_________and_______from left to right. step 4. finally, do______and_______from left to right. here are your choices in

    asked by alejandra on September 29, 2006
  21. Government

    With regard to public opinion,the Supreme Court: A.ignores it completely in order to make decisions that are based on enduring values rather than the public's passing whims. B.remains uninformed about it because justices stay on the bench for life and

    asked by Calvin on December 29, 2011
  22. Chemistry

    Would heating a tertiary alcohol change its structure and reaction with hydrochloric acid and potassium permanganate (KMnO4)? Tertiary alcohols resist oxidation, but can be oxidised by reagents such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone.

    asked by Laura on October 9, 2006
  23. chemistry

    Draw a line-bond structure for propene,CH3CH=CH2; indicate the hybridization of eachcarbon, and predict the value of each bond angle. Can someone explain the steps, im lost with how our teacher explained, about sp2 and sp3, ect. help?

    asked by jessica on January 11, 2011
  24. Chemistry

    Suppose MgSe(a=545 pm) and SrSe (a=623 pm) both crystallize with a NaCl (rock salt) structure. Calculate the ionic radius of Sr2+ (Hint:Assume that the Se2- ions actually touch in MgSe.)

    asked by Lindsey on February 10, 2012
  25. Honors Biology

    For my class, we have to create a poster comparing the structure of an animal cell to something in real life. Our teacher told us we're not allowed to use a factory, aquarium, or a car as our example. I thought of a school, but I want other ideas to work

    asked by Emily on October 1, 2008
  26. Biochemistry

    My professor was saying something about cycling, how it compacts the structure, and how it relates to solubility somehow. He used the example of cyclohexane vs. hexane, but I didn't catch what he said. And then he mentioned proline, which is a cyclic amino

    asked by John on September 26, 2010
  27. Philosophy Question: Definitions

    Hi everyone, Can someone with a knowledge of philosophy please help me define these terms? Speculative Philosophy First Order Discipline Second Order Discipline Thanks! - Lee Sites on Speculative Philosophy" http://www.ditext.com/broad/csp.html#sp

    asked by Lee on November 1, 2006
  28. Algebra 2

    I am trying to factor a 4th degree polynomial that does not have any rational roots. I need to somehow get it factored into two quadratics. Anyone know of a method to use. 3x^4 - 8x^3 - 5x^2 + 16x - 5 Two of the irrational roots are 1.135.. and 0.382.. but

    asked by Brenda on March 9, 2007
  29. Math

    wut iz, 10+10+4=4x x=? do what the equation tells you 1)add 10+10+4 2)since in the other side of the eqaution you have 4x, in order to leave the X alone you must divide by 4 on both sides and you will get______ that is the value of X. 4)in order to make

    asked by Koco123 on January 31, 2007
  30. Calculus

    a local office supply store has an annual demand for 50,000 cases of photocopier paper per year. it costs $2 per year to store a case of photocopier paper, and it costs $50 to place an order. Find the optimum number of cases of photocopier paper per order

    asked by Melissa on November 4, 2010
  31. Calculus Help Please Urgent!!!

    A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? 14 m this one I got right (b) How

    asked by Nane on April 18, 2014
  32. Calculus

    A piece of wire 24 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (Give your answers correct to two decimal places.) (a) How much wire should be used for the circle in order to maximize the total area?

    asked by Crystal on February 26, 2010
  33. Algebra (answer check)

    The population of a small town is decreasing at a rate of 6% per year. If the town's population is 12,500 in 2017, what will the population be in 6 years? 8,623 people 8,000 people

    asked by Jass on June 6, 2017
  34. physics

    A 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is

    asked by Jeremy on April 12, 2011
  35. Physics

    a 975 N object is pulled at a constant velocity up an incline with a force of 327 n parallel to the incline as shown in the diagram. Assume that the difference between the work output and the work input is the work required to overcome friction. a) what is

    asked by Jeremy on April 12, 2011
  36. Physics

    The average wind speed at a height of 80m over the North Sea is estimated to be about 9 m/s. Norway plans to build a 10-MW wind turbine in the North Sea, which will have blades of diameter 145m producing an average of 3 MW of power. Calculate the

    asked by Laurie on August 25, 2018
  37. contemporary math

    You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to $230,000, and Suite Dreams can borrow money at 13% ordinary

    asked by Trish on June 21, 2013
  38. business english

    User: Which of the following is NOT an example of parallel structure? A. "Yoga can help you develop flexibility, reduce stress, and increase relaxation." B. "Learn how to analyze business audiences, improve your style, and edit thoroughly." C. "You are all

    asked by Amanda on May 30, 2012
  39. english

    13. Which of the following sentences contains a comma splice? A. Our friend, who travelled from Tennessee, was quite tired when he arrived. B. We need help with organization, structure, and spelling. **C. The pots clanged to the kitchen floor, the kitten

    asked by help on March 14, 2016
  40. English

    Replace the underlined portion or leave it. 1. The study of Kenya's history as a colony will help you see how colonialism works and thus understand how destructive it was to the people were colonized. Underlined portion: people were a. no change b. people

    asked by Please check answers thank you on February 21, 2018
  41. physics

    A space shuttle is launched from rest. It takes 8.00 to reach 155 km/s, and at the end of the first 1.00 km/s its speed is 1550 . What is the average acceleration (in m/s) of the shuttle during the first 8.00 s?

    asked by izzy on July 8, 2011
  42. Space Exploration

    Give two reasons why observatories are still being built on Earth instead of launching more space telescopes? I I'm assuming one reason is the cost but can't find another reason .

    asked by Cherie on May 1, 2014
  43. MATH HELP

    14000 ACRES OF LAND 12% IS PATIO 25% LIVING SPACE AND REST IS LAWN SQUARE FOOTAGE FOR EACH PORTION OF LAND USING PERCENTAGES

    asked by Anonymous on January 13, 2008
  44. Question

    Is this sentence punctuated correctly? After he began the meeting, he said,"I am going home." There needs to be a space between the comma after "said" and the opening quotation marks. Other than that, the sentence is fine. =)

    asked by Merisa on October 17, 2006
  45. Science

    In the space below, write a paragraph describing the work of a chemical engineer. Include a description of the different industries that they work in and the skills they need to be successful Need Help!!!!

    asked by Anonymous on September 22, 2015
  46. math

    A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?

    asked by Linda on January 19, 2012
  47. math

    what is the locus of the midpoints of the line segments joining a given external point to all points of a plane? (Locus is set in space aka 3d)

    asked by My Name Is Bob on May 13, 2012
  48. math

    A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?

    asked by Linda on January 19, 2012
  49. Physics

    A test charge of +3.00 10-6 C experiences a downward electrostatic force of 11 N when placed at a certain point in space. What are the magnitude and direction of the electric field at this point?

    asked by Melissa on March 18, 2013
  50. math

    A building has 7 storeys. If the interior length is 41 m and the width is 32 m, What is the total floor space in the building including open spaces for stairs, etc?

    asked by Rona on August 3, 2011
  51. Math

    If two balls are selected randomly without replacement four a bag containing 4 red and 8 green balls. List the element of the sample space corresponding probabilities.

    asked by Blessing on May 2, 2016
  52. Chemistry

    What is the concentration, in g/L, of a solution containing 0.65 mol HNO3 in 150 mL solution? Give your answer rounded to nearest whole number, followed by a space and the units.

    asked by Sonakshi Sinha on June 14, 2012
  53. Math

    space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

    asked by Till a on May 4, 2016
  54. space

    What is the value of g for space-shuttle territory , about 200km above the Earth's surface. Data: Earth's mass is 6x10^24kg, and radius is 6380 km

    asked by hov on September 12, 2010
  55. science

    Suppose you are an astronaut making a spacewalk outside the space shuttle. In your excitement about your walk,you use up all the gas in your reaction jet. How do you get back to the shuttle

    asked by angel on January 24, 2013
  56. Math

    Shelly and Andy are playing a game using a number cube and flips the coin. What are all possible outcomes during one turn? How many outcomes are in the sample space?

    asked by Pat on May 1, 2015
  57. physics

    A test charge of +3.00 10-6 C experiences a downward electrostatic force of 15 N when placed at a certain point in space. What are the magnitude and direction of the electric field at this point?

    asked by Amy on April 1, 2013
  58. Math

    What's the difference between sample space and event in a lottery game (where 50 numbers are drawn and you have to guess/pick six numbers?). Can you give examples of both?

    asked by Kevin on April 19, 2010
  59. Exploring Space

    this is one questio which I'm stumped on. = y must we be able to travel at the speed of light to explore space. I don't realy know how to explain myself clearly and put that into an answer. I don't get this

    asked by Sara on March 4, 2010
  60. algebra 2

    Write the inequality in the space provided and graph it on the grid. a.I am not in the second quadrant. b.One point on my border is (-2,-1) It is not one of my solutions c. My border is a horizontal line

    asked by dess on October 7, 2010
  61. english

    how does the structure of the poem affect the meaning of the poem..or contribute to the poem THank u soo much :)

    asked by Sabrina on November 24, 2010
  62. chemistry

    Mercury(Hg) has a density of 13.5 g/cm cubed. How much space would 50.0 g of mercury occupy?

    asked by John on June 9, 2012
  63. Lang. Arts

    In the sentence, "She is interested in space exploration." Is the verb just "is" or is it "is interested"? Thanks...

    asked by Brandi on February 27, 2014
  64. earth

    When earth is seen from outer space,it looks mainly blue. This is because most of the earth is covered with.

    asked by leslie on March 14, 2015
  65. science

    I can travel where there are no molecules, but never through a brick. I can travel through space, but never around a corner. What am I?

    asked by brianna on September 27, 2007
  66. English

    Astronauts are learned, taught to survive in space. I think learned? ?

    asked by Kelly on December 4, 2014
  67. science

    I can travel where are no molecules,but never through a brick.I can travel through space,but never around a corner.What am I?

    asked by Jacob on September 21, 2009
  68. physical

    Which of the following statements is true concerning physical space in physical education

    asked by Anonymous on November 20, 2013
  69. Alg 1

    The popultion of Medford High is 800 students & the population of WEstville High is 1240 students. Medfords pop. has been increasing by 30 students per year, while westville has been decreasing by 25 students per year. In how many yearas will the

    asked by Casey on March 10, 2011
  70. Business

    Why is WACC important to an organization? Thank you for using the Jiskha Homework Help Forum. It is difficult to calculate the WACC but it is a solid way to measure the quality of y our investment. What impact does WACC have on capital budgeting and

    asked by Joseph on February 2, 2007
  71. The practice of working with school age children

    The temporal dimension of the environment refers to the way that A.The children, staff, and parents are organized in the program. B. structure of the site is composed. C. nurturing is encouraged in the program. D. time is managed in the program D.

    asked by Amanda on October 29, 2014
  72. Chemistry

    The experimentally measured and generally accepted value for the molar volume of Na is about 23 cm3/mol. Which of the following best explains why the value calculated in Part B is significantly smaller than the measured values? Part B Answer 16.3 cm3/mol

    asked by Morgan on April 9, 2013
  73. Math

    Hi, I am doing a practice exam, and I came across this problem and I am have difficultly starting it. A UFO flies horizontally at a constant speed at an altitude of 15 km and passes directly over a tracking telescope on the ground. When the angle of

    asked by Anonymous on March 13, 2010
  74. science

    A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of

    asked by Anonymous on June 8, 2011
  75. physics

    A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of

    asked by Tim on June 8, 2011
  76. physics

    3. A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage

    asked by Tim on June 8, 2011
  77. Math

    Redo problem 13 from section 1.8 of your textbook (page 62), but use the functions in the questions below rather than the functions in your textbook: (a) In order to express the function y = 1311 x − 4, as a composition of two functions the outer of

    asked by Anonymous on June 27, 2014
  78. Biology

    bio 1003 lab notes baruch Experimental setup 1 contains live, germinating pea seeds. Experimental setup 2 contains germinated then boiled pea seeds. Experimental setup 3 contains dry pea seeds that have not begun to germinate. Experimental setup 4 is a

    asked by Melissa on September 8, 2009
  79. math

    Electrical system are governed by Ohm's law, which states that V = IR, where V=voltate, I=current, and R=resistance. If the current in an electrical system is decreasing at a rate of 9 A/s while the voltage remains constant at 14 V, at what rate is the

    asked by christine on May 3, 2010
  80. Science

    The Millennium Force is the highest roller coaster in North America. It reached a maximum height to 94.5 m. The total mass of the roller coaster car and its passengers is 1380 kg. The speed of the roller coaster is 41.1 m/s at its lowest point on the

    asked by alisha on June 1, 2017
  81. english

    Describe the literay elements used in the book Twisted Summer by Willo Davis Roberts? We'll be glad to critique your answer if you post it here. You may get some ideas about the literary elements from the reviews in this site.

    asked by melissa on August 3, 2007
  82. CENE

    A primary sedimentation tank that has a removal efficiency of 65% and settles out solids from a wastewater that has a SS concentration of 220 mg/L. The wastewater flows into the sedimentation tank at a rate of 2.35 million gallons per day (MGD). How many

    asked by RaShawnya on March 12, 2018
  83. calculus

    The height (in feet) attained by a rocket t seconds into flight is giving by the function h(t)= -1/3t^3 + 16t^2 + 33t + 10 When is the rocket rising? When is the rocket decreasing? when does it reach its maximum height above the ground? what is the maximum

    asked by chris on December 1, 2011
  84. calc 2

    The height (in feet) attained by a rocket t seconds into flight is giving by the function h(t)= -1/3t^3 + 16t^2 + 33t + 10 When is the rocket rising? When is the rocket decreasing? when does it reach its maximum height above the ground? what is the maximum

    asked by chris on December 1, 2011
  85. Chemistry(Please check)

    The units of a rate constant for zero, first, and second order reactions are given in the textbook. If the time units are minutes, what would you expect the units to be for a third order reaction? 1) 1/min^3 2) mol^2/L^2-min 3) L/mol-min^2 4) L^2/mol^2-min

    asked by Hannah on February 19, 2012
  86. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times

    asked by Bonnie on March 5, 2013
  87. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times

    asked by Bonnie on March 5, 2013
  88. Math statistisc

    I have a 6 sided dice with numbers 1 to 6 written on faces. What number(s) would have to show up if you rolled the die five times in order to have the smallest possible standard deviation? What number(s) would have to show up if you rolled the die 5 times

    asked by Bonnie on March 5, 2013
  89. Math

    If you rotate a right triangle in a complete circle pivoted around one of the right triangles short sides, the space covered forms which solid shape? A)cylinder B)triangular prism C)pyramid D)cone

    asked by HELPP!!! on April 16, 2012
  90. mastering quantum mechanics

    PART B (10 points possible) Consider the operator S on an n-dimensional complex vector space so that S(z1,z2,…,zn)=(0,z1,z2,…zn−1). Assume the inner product is the standard one: ⟨(x1,…,xn),(y1,…,yn)⟩=x∗1y1+…+x∗nyn. Calculate

    asked by JuanPro on April 6, 2015
  91. business

    which of the following is not a technique for emphasizing material in a résumé? A-presenting it in vertical lists B-including it as part of lengthy paragraph C- offsetting it with white space D- positioning it at the top of a page the answer is B

    asked by Anonymous on February 22, 2012
  92. science

    In deep space (no gravity) , the bolt (arrow) of a crossbow accelerates at 120 m/s^2 (square) and attains a speed of 124 m/s when it leaves the bow. For how long is it accelerated? Answer in units of s.

    asked by Anonymous on February 17, 2008
  93. Starting a day care center

    How do you come up with the starting cost, plus a budget for a new Day Care Center. How do you come up with a estimate of the monthyly expense for one year. Including the lease of office space supplies and other expenses if you have not open up the doors

    asked by Cynthia on August 6, 2010
  94. Chemistry

    Predict the order of increasing vapor pressure (at a given temperature) for the following compounds: FCH2CH2F and FCH2CH2OH and HOCH2CH2OH. Explain your decision briefly. ANSWER: I suppose the order is FCH2CH2F and FCH2CH2OH and HOCH2CH2OH (increasing from

    asked by Master Le on June 11, 2007
  95. computer science(Algorithm)

    An m X n YOUNG TABLEAU is an m X n matrix such that the entries of each row are in sorted order from left to right and the entries of each column are in sorted order from top to bottom. Some of the entries of YOUNG TABLEAU maybe ¡Þ, which we treat as

    asked by Traxx on October 21, 2010
  96. Early childhood

    Which of the following ideas will not help children feel personal ownership in their classroom? 1. Giving the child the right to label works in progress,such as block structures,with their name. 2. Labeling a child's school supplies with their name. 3.

    asked by Hannah on January 15, 2007
  97. Chemistry

    1) The order of the boiling points for the hydrogen halides, except for HF, is HI > HBr > HCl. The reason for this order can be attributed to a) the relative covalent bond strengths. b) differences in hydrogen bonding. c) differences in dipole-dipole

    asked by Hannah on January 29, 2012
  98. AP Chem

    A valid Lewis structure of __________ cannot be drawn without violating the octet rule. Answer: BeH2 Why would BeH2 break the octet?

    asked by Anon on January 14, 2013
  99. Ferdinand Marcos University

    What are the condensed structure of each of the following: a.)2-pentene b.)1chloro 3 metyl 2 -pentene c.)3 methyl 1 butyne d.)2,3dimethyl pentane e.)2 ethyl 1 methyl hexane

    asked by Dangadang on January 12, 2011
  100. chemistry

    Consider the compound NOCl. In the lewis dot structure, which element should be the central atom? Choose from following. N,O,Cl,both N or O could be in middle, both N or Cl could be in the middle,both O or Cl could be in middle,or all the elements could be

    asked by Anonyms on June 1, 2013