Questions Asked on
February 10, 2018

  1. Chemistry

    Which of the following pairs of compounds can be used to illustrate the law of multiple proportion? a) NH3 and NH4Cl b) ZnO2 and ZnCl2 c) H2O and HCl d) NO and NO2 Could you also briefly explain why, please. Thank you.

    asked by Dalal
  2. English

    7. Which of the following would require documentation in an academic research paper? A. A statement regarding Thomas Jefferson being the third President of the United States B. An observation you made while on a field trip to a zoo C. A map of Brooklyn, NY

    asked by Taj
  3. Chemistry

    The thermal decomposition of 1.6608 g of MgSO4 * H2O produces 1.4446 g of a product in a well-behaved reaction. There are two possibilities: 1) MgSO4 * H2O(s) -> MgSO4(s) + H2O(g) 2) MgSO4 * H2O(s) -> MgO(s) + SO3(g) + H2O(g) Complete the following table,

    asked by sarah
  4. physics

    An object is dropped from a height H. During the final second of its fall, it traverses a distance of 57.8 m. What was H?

    asked by Zafr
  5. extended mathematics

    In the diagram,

    asked by capriana
  6. Maths

    The sum of three consecutive terms of an AP is 72 then what is the middle term

    asked by Niharika
  7. Physic!

    A blue ball is thrown upward with an initial speed of 23 m/s, from a height of 0.5 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6.6 m/s from a height of 28.9 meters above the ground.

    asked by one
  8. intermideate lgerbra

    A theater can seat 780 people. The number of rows is 4 less than the number of seats in each row. How many rows of seats are there

    asked by tab
  9. art

    What was the underlying message of Georges Seurat’s A Sunday Afternoon on the Island of La Grande Jatte? Modern life has united people together. A painting should be an exact, realistic copy of what one can see in everyday life. People in cities interact

    asked by Bri
  10. art

    Read the statement. Artists have depicted religious and mythological stories as _[blank]_ in their work. Which correctly completes the statement? compositions subjects mediums forms B?

    asked by Bri
  11. math

    Find the interest. Round to the nearest cent. $1850 at 8% for 14 months

    asked by Anonymous
  12. MATH PLEASE HELP ME

    when buying a new dress you have a choice of 3 different lengths 5 different colors and 2 different styles. how many choices are there for one dress?

    asked by something
  13. Algebra

    The height h (in feet) of an underhand volleyball serve can be modeled by h=−16t2+30t+4, where t is the time in seconds. After how many seconds is the ball 16 feet above the ground? Round your answers to the nearest tenth. The ball is 16 feet above the

    asked by Kevin Chau
  14. chem

    Magnesium hydroxide is produced by reacting magnesium oxide with excess water. If the reaction has an expected yield of 81%, how much magnesium oxide should be reacted to produce 98.0 g of magnesium hydroxide? MgO(s)+H2O(l)->Mg(OH)2(aq)

    asked by nela
  15. History

    How do the unalienable rights of life, liberty, and the pursuit of happiness limit the powers of government? A:Unalienable rights force the government to expand and protect all right. B:Unalienable rights force the government to place no restrictions on

    asked by anonymous
  16. Science

    Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?

    asked by Pier
  17. Physic

    A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 1.5 m/s^2 for 4.1 seconds. It then continues at a constant speed for 11.9 seconds, before getting tired and

    asked by Need your help PLS
  18. Mathematics

    A sum of money invested at compound interest amounts to rupees for 4624 in 2 years and 2 Rupees 4913 in 3 years the sum of money is

    asked by Ak!@#$%^&
  19. Pre-Calc 12

    Let f(x)=a(x-p)^2+q be a quadratic function, where a,p,q are constants and a≠0. f(x) is translated up by k units, translated right by c units, and then take a reciprocal of the translated function. Define g(x) be the function after performing all the

    asked by Arman Turna
  20. English

    5. _______ are publications geared toward audiences made up of people in specific professions. A. General-interest nonfiction books B. Reference works C. Popular sources D. Trade journals 5 D 14. "Because I have eaten French food in France, I can say that

    asked by Taj
  21. English

    9. When punctuating quotations, commas and ________ are placed inside the quotation marks. A. semicolons B. colons C. periods D. page numbers in parentheses 9 A 7. Which of the following would require documentation in an academic research paper? A. A

    asked by Taj
  22. chem

    Magnesium hydroxide is produced by reacting magnesium oxide with excess water. If the reaction has an expected yield of 81%, how much magnesium oxide should be reacted to produce 98.0 g of magnesium hydroxide?

    asked by nela
  23. English

    20. When enclosing a quotation within a quotation, use A. single quotation marks. B. parentheses. C. dashes D. ellipses. 20 D

    asked by Carlos
  24. Math

    A density curve for all the possible ages between 0 years and 25 years is in the shape of a triangle. What is the height of the triangle? a) 0.16 b) 0.08 c) 0.02 d) 0.04

    asked by Anonymous
  25. Marylyn

    How do the unalienable rights of life, liberty, and the pursuit of happiness limit the powers of government? A:Unalienable rights force the government to expand and protect all right. B:Unalienable rights force the government to place no restrictions on

    asked by anonymous
  26. Chemistry

    The delocalized electrons in a long-chain polyene exist in quantum states that can be reasonably approximated by the particle in a one-dimensional box model. The length L of the box is the end-to-end distance. Suppose one such polymer has a length L = 4.00

    asked by Austin
  27. Algebra 1

    I get a bit confused so I hope someone can help with this question Consider the total amount that you are willing to spend on the buisness and how much it will cost you to make your items. Write an inequality that represents the fact that while making each

    asked by Natalia
  28. Chemistry

    The 1-D harmonic oscillator is a good approximation for the vibration of the bond between the atoms of a diatomic molecule. Using this treatment, predict the wavenumber in cm-1 required to vibrationally excite the HCl molecule, given that the force

    asked by Austin
  29. Math

    The radius, r, in centimeters, of a melting snowball is given by r=55−1.5t, where t is the time in hours. The V=4/3πr^3 cm^3. Find a formula for V=f(t), the volume of the snowball as a function of time.

    asked by George Carl
  30. English

    4. A _______ citation is generally used when merely citing facts or have already identified the source author. A. block B. substitute C. parenthetical D. title 4 D Verify my answers

    asked by Taj
  31. maths

    I am equipment to 1/2 The sum of my numerator and denominator is 15 What fraction am I ?

    asked by Demi
  32. math

    A circular oil slick is expanding with radius, r in feet, at time t in hours given by r=12t−0.3t^22, for t in hours, 0≤t≤10. Find a formula for A=f(t), the area of the oil slick as a function of time.

    asked by George Carl
  33. maths

    kofi spent 2/5 of his pocket money on snacks and 1/5 of the reminder on transport, what fraction of his money is left?

    asked by kely
  34. Math

    A circular oil slick is expanding with radius, r in feet, at time t in hours given by r=12t−0.3t^2, for t in hours, 0≤t≤10. Find a formula for A=f(t), the area of the oil slick as a function of time.

    asked by George Carl
  35. math

    the length of a rectangle is twice the width. If the area is 72 metres squared, calculate the length and the width. length: width:

    asked by indira
  36. COM

    A piece of iron has a temperature of 0 zero degrees Celsius. At what temperature would the iron atoms have twice as much kinetic energy?

    asked by Anonymous
  37. Algebra

    Let g(x)=3x+2 and f(x)=(x-2)/3 Find the value. f(g(0)) I think I figured out part of it. g(0)=3(0)+2=2 g(2)=3(2)+2=8 f(8)=((8)-2)/3=6/3=2 If this is correct, idk where to go from here.

    asked by Samantha
  38. plz help right away!!!

    The length of a fence on a scale drawing is 6 cm. If the scale is 1 cm:4 m, what is the actual length of the fence? A. 10 m B. 18 m C. 24 m D. 48 m

    asked by tcno12
  39. Math

    Mrs. Brown decides to change her experiment. This time, she plans to roll the die until she gets a three. She wants to know the probability of getting her first three on her 5th roll. Explain why this is an example of a geometric experiment Define the

    asked by Anonymous
  40. Physic

    A bolt comes loose from underneath an elevator that is moving upward at a speed of 7.6 m/s. The bolt reaches the bottom of the elevator shaft in 3.8 s. 1) How high up was the elevator when the bolt came loose? 2) What is the speed of the bolt when it hits

    asked by Jam
  41. History

    How does the right to a grand jury protect the rights of the accused? A:It prevents one form self-incrimination. B:It stops the government from trying a person for the same crime twice. C:It requires sufficient evidence before moving to trial in cases of

    asked by anonymous
  42. college maths

    Why brustan is the definition to Real numbers

    asked by Gabriel
  43. Math

    30-second oral question The expression 9(2018^2)+20180+4040 is a square of what positive integer?

    asked by AJ
  44. Hello just trying to find my questions

    Hello

    asked by Sunji
  45. Geography

    Where magma erupts through the crust

    asked by Anonymous
  46. Chemistry

    You have a 35.5 g of a saturated solution of potassium nitrate at 80oC which you cool to 40oC, what mass of potassium nitrate will precipitate out of solution? @80 degrees C solubility is 160g solute/100g H2O @40 degrees C solubility is 60g solute/100g H2O

    asked by Michelle
  47. Economics

    1. Use the table below to predict what would happen if airlines and baseball stadiums priced all seats the same instead of using variable-pricing. What would happen to the number of tickets sold? What would happen to the total revenue from ticket sales?

    asked by Confuzzled
  48. English

    2. According to MLA citation style rules, when citing a book by more than one author, the authors' names should A. be listed alphabetically by last name. B. follow the title of the book. C. be listed alphabetically by first name. D. be listed in the order

    asked by Carlos
  49. Heat transfer

    Derive the conduction of heat through hollow sphere of material steel with 2 outer layers (Asbestos and rubber).

    asked by Abd
  50. Control engineering

    Define compensation and why it is important, Justify? And design a basic control compensation using time and frequency domain. Lead compensation Lag compensation

    asked by Abd
  51. Calculus

    I have no idea how to do this, can someone please help? Consider the graphs below, which give m(x) in the left graph, in black, and n(x) in the right graph, in blue. Both functions have a sharp corner at x=50. Let h(x)=n(m(x)). Find a point x where

    asked by Michael
  52. Physics

    How many capacitor of 4uF capacity each are combined to get total capacity of 6uF

    asked by Purshottam Meravi
  53. Calculus

    I have no idea how to do this, can someone please help? Consider the graphs below, which give m(x) in the left graph, in black, and n(x) in the right graph, in blue. Both functions have a sharp corner at x=50. Let h(x)=n(m(x)). Find a point x where

    asked by Michael
  54. Calculus

    I have no idea how to do this, can someone please help? Consider the graphs below, which give m(x) in the left graph, in black, and n(x) in the right graph, in blue. Both functions have a sharp corner at x=50. Let h(x)=n(m(x)). Find a point x where

    asked by Michael
  55. Chemistry

    What is the numerical relationship between the volume of base added to reach the first endpoint and the volume added to reach the final endpoint in the titration of a diprotic acid? What is the relationship for a triprotic acid?

    asked by Lyndsay
  56. Maths

    Emily is throwing a dice. Emily says the chances of her throwing an odd number are greater than even. Is she correct . explain why

    asked by Claire
  57. history

    Define the term “Cold War”. Why were both the Soviet Union and the United States fearful of starting an outright war with each other? Detail one event or situation that brought both sides close to nuclear war. (Ex. Cuban Missile Crisis)

    asked by James
  58. Chemistry

    How many grams of nitrogen would be contained in .025 moles of HNO3?

    asked by Reanna
  59. math

    y=-3(x-2)^2 +2 In the xy plane, the line l passes through the point (-1,3) and the vertex of the parabola with the equation above. What is the slope of line l? A)-2/3 B)-1/2 C)-1/3 D)1/3 ^I don't know how to do this Let function f(x) be defined by the

    asked by Aline
  60. History

    Which of the following statements best support the importance of a free and responsible press to the healthy functioning of a democracy? Select all that apply(2 points) A:A free press protects the individual rights of all people.*** B:A free press

    asked by anonymous
  61. citations

    If I'm paraphrasing a whole paragraph of information, would my in-text citation at the end be inside the period of my last sentence or outside?

    asked by huncho jack
  62. chemistry

    2NO2(g) N2O4(g) If 0.625mol of dinitrogen tetraoxide in 5.0L is allowed to come to equilibrium and at equilibrium has a concentration of 0.0750M, Calculate K for this reaction. Does K= 7.5?

    asked by tom
  63. English

    4. A _______ citation is generally used when merely citing facts or have already identified the source author. A. block B. substitute C. parenthetical D. title According to MLA citation style rules, when citing a book by more than one author, the authors'

    asked by Taj
  64. Math

    Which of the following functions have a vertical asymptote for values of theta such that cos theta = 1? Select two answers. y = sin theta y = cos theta y = tan theta y = sec theta y = csc theta y = cot theta I know what all these functions look like, but I

    asked by Max
  65. Discrete Mathematics

    If two light bulbs are choosen at random from 5 bulbs of which are defective then which of the following in the probability that none in defective? 1/10 2/10 2/7 2/8

    asked by Learner
  66. English

    can you write a sentence using the words snails' shells?

    asked by Aaron