Questions Asked on
March 11, 2015

  1. Health

    Please check 1. Which is a common viral disease? A. strep throat B. lyme *** C. tuberculosis D. common cold 2. which statement is about the flu? A. there is no cure B. there is usually a fever *** C. It typically lasts 3-7 days D. it spread by contact with

    asked by Anonymous
  2. language arts

    what does a reader look for in the second reading of a drama in the multi draft reading process? A: Realationships about theme B: Key ideas and details about charactors and settings C: stage direction and dialogue that advances action. D: simmeralities

    asked by lexi~plz help me
  3. Art

    Mass Art: Technology and the Industrial Revolution 1) What is one way that the industrial revolutions impact showed itself in the art of realist like Monet? :Realists documented their inner reactions to the revolution. :Realists documented the lives of

    asked by TheLOUDEST_0430
  4. Math

    1. The radius of a circular disc is 5.8 inches. Find the circumference. Use pi = 3.14 18.212 in 36.424 in *** 42.34 in 54.63 in 2. Name the geometric solid shape suggested by a frozen juice can. Sphere Rectangular prism Pyramid Cylinder ***

    asked by Anonymous
  5. L.A.

    1. Which of the following sentences uses a predicate noun? A. When you leave, I will feel sad. B. My sister is their most valuable player. C. Their most valuable player is she. D. I will be saddened when you leave. 2. Which of the following sentences use a

    asked by hello
  6. LA

    Write a brief essay discussing imagery in both "Grandma Ling" and "Your little voice." -I suck at writing essays. :/

    asked by Makahla
  7. SOCIAL STDIES HELP!

    1. In which of the following forms of government does the city council hire someone to run the day-to-day operations of the city? (1 point) strong mayor-council weak mayor-council council-manager*** consolidated 2. Which of the following are true

    asked by XenaGonzalez
  8. Math

    The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

    asked by Joo
  9. Math

    Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.

    asked by Siddharath
  10. Chemistry

    High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa ). It is often

    asked by dakota
  11. algebra--1 question

    Radio signals travel at a rate of 3 * 10^8 meters per second. How many seconds would it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 9.6 * 10^6 meters? (1 point) 3.2 x 10^2 seconds

    asked by SkatingDJ
  12. socialstdies

    Which of the following describes the Gilded Age? Choose all that apply. (2 points) a period of great prosperity for all Americans*** a time of great social change and industrialization in Americ!@#$%^&* a period of great prosperity for some Americans a

    asked by XenaGonzalez
  13. Math

    Lionel's front yard is in the shape of a square and has an area of 225 square meters. What is the length in meters of one side of Lionel's front yard? 112.5 56.25 25 15 ***

    asked by Anonymous
  14. MATH

    15. Write the ratio as a fraction in simplest form. 8 out of 10 (1 point) ANSWER 4/5? 16. In the population of a particular country, the male-to-female ratio is 34 to 48. Write this ratio as a fraction in simplest form. (1 point) ANSWER 17/24? Am i right?

    asked by XenaGonzalez
  15. Chemistry

    Based on the average number of moles of IO3- in your samples, and the initial volume of those samples, what is the solubility of Ca(IO3)2 in mol/L of the saturated solution in 0.01 M KIO3? My average molarity was: .000092 My sample volume was: 5ml or .005

    asked by Ane
  16. Math

    Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. Triangle Base:- 7ft Triangle height:- 4ft Prism height:- 8.5ft 20 ft^3 65 ft^3 119 ft^3 *** 238 ft^3

    asked by Anonymous
  17. Math

    Find the are of a parallelogram with base b and height h. b =82 cm h = 16.6 1,361.2 cm^2*** 6,724 cm^2 137.78 cm^2 98.6 cm^2

    asked by Anonymous
  18. health!

    True or False. Washing your hands can help protect you from dangerous pathogens True True or False. People die from colds each year True True or False. Infectious diseases are caused by organisms or viruses that enter and multiply within the human body.

    asked by Ann
  19. Science

    Which of the following statements is true about a collison between two cars? The total momentum after the collision is the same as the total momentum befor the collision *** The total momentum after the collision is greater than the total momentum

    asked by Kennabug
  20. help

    Tritium (H-3) has a half-life of 12.3 years. How old is a bottle of olive oil if the tritium content is 25% that of a new sample of olive oil? Show all calculations leading to a solution.

    asked by Ciaria
  21. Art

    The United States supreme Courts architectural design symbolizes what values that are also shared with Greek culture? A. resistance and persistence B. creativity and love C. tranquility and peace D. balance and justice I feel like it's D or B 2.Realists

    asked by Anonymous
  22. Finance

    Antiques ‘R’ Us is a mature manufacturing firm. The company just paid a dividend of $11.45, but management expects to reduce the payout by 4.5 percent per year, indefinitely. Required: If you require a return of 11 percent return on this stock, what

    asked by John
  23. chemistry

    The freezing of water at 0⁰C can be represented as follows: H2O (l) ↔ H2O(s) The density of liquid water is 1.00 g/cm3. The density of ice is 0.92 g/cm3. explain why applying pressure causes ice to melt.

    asked by Ciaria
  24. Maths

    I'm done with this question..Can anyone help me? tan^-1(yz/xr) + tan^-1(zx/yr) +tan^-1(xy/zr) = pi/4 Prove that x^2+ y^2+ z^2=r^2

    asked by Suhail
  25. English

    2. Which expression best represents the view a fatalist would have? A. "Whatever will be, will be." B. "The best is yet to come." C. "We are still masters of our fate." D. "You don't know what you have until its gone." 3. In which of these lines is the

    asked by help?thanks
  26. math

    what is the length of rectangle with an area of 48 yd 2 and a width of 3 yd 8 16 18 21 i think its c but any one can answer

    asked by animal guy
  27. Chemistry 2

    A United Nations toxicologist studying the properties of mustard gas, S(CH2CH2Cl)2, a blistering agent used in warfare, prepares a mixture of 0.675 M SCl2 and 0.973 M C2H4 and allows it to react at room temperature (20.0°C ). SCl2 (g) + 2 C2H4 (g) -->

    asked by Anonymous
  28. 6th Grade Geometry

    Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and

    asked by MusicLover14
  29. Chemistry help please

    What is the oxidation number of phosphorus in P2O3? O mostly always has a -2 charge, three O's = -6. The two P atoms must balance that charge with +6 since P2O3 overall has no charge. If 2 P = +6, then 1 P = +3. is that right ?

    asked by Ciaria
  30. SOCIAL STDIES HELP!!!!!

    A case in which a group or individual claims that another group or individual has done them wrong is called a(n) (1 point) trial case. civil case. criminal case. appellate case.*** Which court has jurisdiction over death penalty cases in Georgia? (1 point)

    asked by XenaGonzalez
  31. social studies 8th

    1. Which is an example of checks and balances? (1 point) The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public

    asked by XenaGonzalez
  32. Algebra please explain

    A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks

    asked by SkatingDJ
  33. Health last questions.

    Physical lines of defense include A. skin, cielia, and mucous membranes *** B. hair C. nails D. teeth When a doctor feels for lymph nodes, he is checking for A. inflammation *** B. shrinking C. pain D. sensitivity Your body can get antibodies from A.

    asked by Ann
  34. Chemistry HW!!!

    1. If I dilute 75 mL of 0.50 M CaF2 solution to a final volume of 375 mL, what will be the molarity of the resulting solution? 2. What will be the final volume of the solution be if I start with a 250 mL of 1.38 M MgCl2 solution to make a solution with a

    asked by Theresa
  35. math

    Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.

    asked by sai
  36. SOCIAL STDIES HELP! 8th

    Which is not necessary in order for a bill to become a law? (1 point) The governor must sign the bill. A majority vote is needed in the House. A majority vote is needed in the Senate. The same version of the bill must be passed.*** In order to be governor

    asked by XenaGonzalez
  37. Geography

    Q. The Great Lakes border 2 regions and 2 countries, name them. - Regions: Pacfic Rocky Mountains Southwest North central South east North east - A. I don't exactly get it,

    asked by Destinee
  38. Physics

    The distance between two consecutive nodes of a standing wave is 19.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.59 times every 7.44 s. Find the velocity of the wave. Answer in units of m/s.

    asked by Lauren
  39. ELA

    Which of the following events, characters, or objects can be said to swerve? A. a snowstorm and cloudburst B. a roller skater and a seal C. a rainstorm and bicyclist D. a seal and a dill pickle I think is c.

    asked by Anonymous
  40. Biology 12

    The question is asking to calculate the overall energy change in the combustion of ethane (C2H6). This is what I have done: The balanced equation: C2H6 + 6 O2 --> 2 CO2 + 3 H2O (6) 411 + 346 + (6) 494 --> (2) 799 + (3) 459 2466 + 346 + 2964 --> 1598 + 1377

    asked by Vikki
  41. Science

    After an avalanche, a huge block of a stone slid down a mountain and landed in the middle of a road. People in the nearby town had a very difficult time moving it out of the road, The block of stone is difficult to move because. it has a high amount of

    asked by Kennabug
  42. chemistry

    Calculate the hydroxide ion concentration of a solution with pH = 8.25.

    asked by Ciaria
  43. life orientation

    Show the link between intrapersonal conflict and initiating relationship

    asked by mcedisi
  44. chemistry

    explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.

    asked by Ciaria
  45. maths

    write each addition vertically.Decide which new groups you will make .Then add to see if you were correct .256+273

    asked by Ishmeet
  46. Art please help me :)

    1. Which movie professional creates the storyboard? A. Screenwriter B. Production designer C. Director D. Graphic artist *** 2. How might a cinematographer create a believable scene in natures? A. Through research of plants and animals B. Through

    asked by Anonymous
  47. statistics

    A casting director wishes to find one male and one female to cast is his play. If he plans to audition 5 males and 7 females, in how many different ways can this be done? DO NOT put a comma in your response.

    asked by jesse
  48. math

    a deposit of 4000 at 6.5% for 270 days show amount of interest earned answer 2870

    asked by layne brooks
  49. math

    The ratio of measures of two complementary angles is 4 to 5. The smallest measure is increased by 10%. By what percent must the larger measure be decreased so that the two angles remain complementary?

    asked by G
  50. Ap physics

    Rotational Motion/Torque The question says that "A 60.0kg painter is on a uniform 25 kg scaffold supported from above by ropes. There is a 5.0 kg pail of paint to one side, as shown. How far from the left end of the scaffold should the painter stand such

    asked by Kayla
  51. Math

    Jeanette is painting a rectangular wall that is 10 feet long and 8 feet tall there is a window that is 5 feet wide and 3 feet tall on the wall what is the area of the wall that Jeanette will paint

    asked by Alena
  52. physics

    A 2.40 kg mess kit sliding on a frictionless surface explodes into two 1.20 kg parts: 3.78 m/s, due north, and 5.28 m/s, 32.8° north of east. What is the original speed of the mess kit?

    asked by Shane
  53. Science

    What mass of water is needed to react completely with the Na2O2? Answer in units of g.

    asked by Farrell
  54. Chemistry

    3.05 g of hydrated copper sulfate produce 1.94 g of anhydrous salt. Assuming complete removal of water of crystallisation, determine the formula of hydrated copper sulfate.

    asked by Melissa
  55. Language Arts - Romeo and Juliet - Please Check

    I need help with the following: 11. Read these lines from the prologue of Romeo and Juliet. "Two households, both alike in dignity, In fair Verona, where we lay our scene, From ancient grudge break to new mutiny, Where civil blood makes civil hands

    asked by Brady
  56. Stats

    The waiting times between a subway to Podger schedule and the arrival of the passenger on uniformly distributed between zero and nine minutes find the probability that a randomly selected passenger has been waiting greater than 3.25 minutes

    asked by Ella
  57. Chemistry ( I NEED HELP, PLEASE!!!!, IM DESPERATE)

    What mass of water is needed to react com- pletely with the Na2O2?

    asked by Farrell
  58. chem

    An experimental chamber has a volume of 60 L. How many moles of oxygen gas will be required to fill the chamber at STP?

    asked by iNeedHelp
  59. Math

    Rob has a combined flower and vegetable garden that is 9 m long and 11 m wide the flower garden is in the center and is a square with sides of 3 m how many square meters of the garden is used for vegetables

    asked by Alena
  60. Chemistry ( I NEED HELP, PLEASE!!!!, IM DESPERATE)

    Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react?

    asked by Farrell
  61. LA

    In which sentence does the prepositional phrase act as an adverb? A. Last evening, Anne suffered from a headache. B. The door to the attic was left open. C. Mr. Frank discussed the problem of noise in the annex. D. He bought a drink for Mr. Dussel. Is the

    asked by Anonymous
  62. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

    asked by Emily
  63. Science

    Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react? Answer in units of g

    asked by Farrell
  64. Language Arts Help!

    1. In which sentence does the prepositional phrase act as an adjective? A. In the morning, we rested in bed. B. We bought the cookies in the red package. C. During the day, Peter playes with the cat. D. My sister is good at dancing. 2. Which expression

    asked by Anonymous
  65. science

    Two stunt drivers drive directly toward each other. At time t=0 the two cars are a distance D apart, car 1 is at rest, and car 2 is moving to the left with speed v0. Car 1 begins to move at t=0, speeding up with a constant acceleration ax. Car 2 continues

    asked by sandile
  66. Algebra please explain!!!

    A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Pleas help asap! Thanks

    asked by SkatingDJ
  67. science

    a solid weighs 100g in air 75 g in water and 70 g in oil.find relative density of oil

    asked by mk
  68. Physics

    A mover pushes a 60 lb box 30 ft along a level floor at constant speed with a force directed 45 degrees below the horizontal. If the coefficient of kinetic friction is 0.20, how much work does the mover do on the box? ...Is this one of those trick

    asked by Emma
  69. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

    asked by Emily
  70. Chemistry ( I NEED HELP, PLEASE!!!, IM DESPERATE!)

    Sodium peroxide reacts vigorously with water to produce sodium hydroxide and oxygen. The unbalanced equation is Na2O2(s) + H2O(ℓ)→ NaOH(aq) + O2(g). What mass of O2 is produced when 81 g of Na2O2 react?

    asked by Farrell
  71. Physics

    A pilot wants to fly directly north to an airport 500 km away. His speed relative to the air is 100 km/h. Howevere there is a 40 km/h cross wind blowing from west to east. At what angle relative to the south north direction should he fly to arrive at the

    asked by Alex
  72. English

    How is a diary, such as Pepys’s, different from a history such as Bede’s? A. A diary is usually more personal. B. A diary is usually more objective. C. A diary is usually more formal. D. A diary usually lacks historical accuracy. My choice is A

    asked by Emi
  73. chemistry

    Why must the number of electrons lost equal the number of electrons gained in every redox reaction?

    asked by Ciaria
  74. Math

    DIVISIBILITY Dr davis wants to divide 8487 tongue depressors evenly among some containers. she has 10 containers but does not need to use them all. how many containers could she use so there are no tongue depressors left over?

    asked by Bro
  75. English

    Which statement most accurately contrasts the ideas of different literary periods? A. Anglo-Saxon literature focuses on free will, whereas Renaissance literature suggests that human beings are controlled by fate. B. Literature of the Middle Ages focuses on

    asked by Emi
  76. Modeling with Linear Systems

    Pam laid three times as many tiles on Saturday as she laid on Sunday. If Pam laid 80 tiles over the weekend altogether, how many tiles did she lay on Saturday?

    asked by josselin
  77. Social studies help please

    "We want no manufacturers; we desire no trading, no mechanical or manufacturing classes. As long as we have rice, or sugar, our tobacco and our cotton, we can command wealth to purchase all we want." As stated by a Texas politician in this passage, some

    asked by Anonymous
  78. Social studies

    How did Islam mainly spread throughout the region? A. By imperial command B. Through military strength C. Via trade D. Because of religious decree My answer is b.

    asked by Anonymous
  79. Managerial Accounting

    Waterways is thinking of mass-producing one of its special-order sprinklers. To do so would increase variable costs for all sprinklers by an average of $0.70 per unit. The company also estimates that this change could increase the overall number of

    asked by David
  80. physics

    a train stopping distance, even when full emergency brakes are engaged, is 1.3 km. if the train was travelling at an initial velocity of 90 km/h [forward], determine its acceleration under full emergency brakes.

    asked by raman
  81. Chemistry( I NEED HELP, PLEASE!!!!, IM DESPERATE)

    What is the limiting reactant when 45.9g of CuO are exposed to 2.57 g of H2 according to the equation CuO(s) + H2(g)−→Cu(s) + H2O(g) ? 1.CuO 2.Unable to determine. 3.H2 4.Neither is limiting.

    asked by Farrell
  82. Statistics

    Shopping Outlet A shopping outlet estimates the probability distribution of the number of stores shoppers actually enter as shown in the table below. x 0 1 2 3 4 p(x) 0.05 0.35 0.25 0.20 0.15 What is the probability that shoppers are just window shopping

    asked by Anon
  83. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and incline is 0.10. Find the force

    asked by N
  84. math

    logan isn't 2 years older than Lindsey. Five years ago the sum of their ages was 30. Find Lindsey current age. X-5+2x-5=30. -1 + 0= 30. I don't think this right I tried I can't get the right answer. According to the common core the answer is supposed to be

    asked by Kirsten
  85. Chemistry help please

    You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how the vapor pressure of water in the first jar compares with the vapor pressure of water in

    asked by Ciaria
  86. math

    12/35 stamps are from Asia. Of these Asian stamps 5/16 are from Thailand. What fraction of the stamp collection are from Thailand? I want to think I need to divide but I'm not sure it makes sense. 12/35 divided by 5/16= 12/35 times 16/5 = my answer of

    asked by Alice
  87. Chemistry

    a solution of methanol, CH3OH, contains 55.0 grams of methanol for every 100. grams of water. what is the molality of the solution? Which is my solvent? And which is my solution? Im confused

    asked by Anonymous
  88. English

    Macbeth says that even the numerous, or _____ seas, will not wash off his guilt. A. predominant B. multitudinous C. stealthy D. palpable my choice is B

    asked by Emi
  89. SCIENCE

    A SCIENTIST NOTED A POSSIBLE RELATIONSHIP BETWEEN A CERTAIN CHEMICAL SUBSTANCE FOUND IN FISH AND THE OCCURRENCE OF THE KIDNEY FAILURE IN HUMANS. WHICH STEPS SHOULD THE SCIENTIST BEFORE CONDUCTING EXPERIMENT.

    asked by TEQUILLA
  90. Ap calc

    A particle moves along the X axis with the acceleration a(t)=12t-6. If v(0)=3, find the total distance the particle traveled from t=0 to t=2. Please help

    asked by Lynds
  91. Chemistry( HELP PLEASE, IM DESPERATE!!!)

    For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2? Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4 can be prepared by the reaction of 3.43 g

    asked by Farrell
  92. social studies 8th

    1. The authorization to create counties for the purpose of carrying out state laws and programs originally came from the (1 point) Supreme Court.*** Georgia General Assembly. Declaration of Independence. Georgia’s Constitution of 1777. 2. The primary

    asked by XenaGonzalez
  93. Math

    SAME THING AS FIRST ONE Mr Russo has 2856 raffle tickets that he will distribute evenly to some of his neighbors. he wants to give the tickets to at least 3 neighbors but no more than 10 neighbors. to how many neighbors can he give raffle tickets so there

    asked by Bro
  94. Social studies

    Which event contributed most significantly to the settlement of Muslim people in Israel A: exodus B: diaspora C: Holocaust D: world of war I I My answer is C

    asked by Anonymous
  95. Science - 7th grade

    Can you check the following? Experiment A: Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After three weeks on the diet, the rats’ masses are measured

    asked by Alexis
  96. math

    One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?

    asked by G
  97. chemistry

    how many molecules are in 5.5 moles of oxygen gas? How many atoms are in this quantity of gas? I used dimensional analysis and did: 5.5 mol. of oxygen x 6.02x10^23 molecules/1 mol of oxygen I got 3.3x^24 molecules of oxygen How do I find the # of atoms? I

    asked by ally
  98. Math

    The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

    asked by Abhishek
  99. Art

    How would you keep a sand sculpture on the beach? If you used ketchup instead of red paint on your canvas, would this change your methods of preservation? I said that you can make the sand sculpture stand my adding a little water to the sand before you

    asked by jam
  100. Optics

    A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?

    asked by Sree
  101. Geometry

    A 32-foot ladder leans against a building on level ground. It just reaches a window 25 feet above the ground. To the nearest degree, what angle does the ladder make with the ground.

    asked by Rolun
  102. statistics

    The average age of doctors in certain hospital is 43 years old. Suppose distribution of ages is normal and the standard deviation is 8.0 years. If 25 doctors is chosen at random for a committee, find the probability the average age for those doctors is

    asked by stuart joel
  103. Accounting

    Waterways is thinking of mass-producing one of its special-order sprinklers. To do so would increase variable costs for all sprinklers by an average of $0.70 per unit. The company also estimates that this change could increase the overall number of

    asked by David
  104. Religion

    Many Christians seem to accept modern cosmology - Galileo's view that the earth is not the center of the Universe - while at the same time disagreeing with the theory of evolution. For this discussion, we will focus on the following questions (in 250 words

    asked by Larcey
  105. Chemistry

    Calculate the volume at which pH = pKa if 30.00mL of weak acid with a concentration of 0.0955M is titrated against a strong base with a concentration of 0.1233M.

    asked by Caroline
  106. important maths ques

    AB and CD are two parallel chords of a circle such that length of AB and CD are 10 cm and 24cm respectively.if the chords are opposite sides of the centre and the distance between them is 17 cm ,find the radius of the circle.

    asked by Anonymous
  107. CHEMISTRY HELPPPP!!!!!!!!!

    Consider the decomposition of NH3 (g). 2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten or osmium. The activation energies for the catalyzed and uncatalyzed reactions are given below. W Ea = 163 kJ/mol Os Ea = 197

    asked by anon
  108. Math

    Alan scored a total of 14 points for answering all the 15 questions on a math quiz. For every correctly answered question, Alan got 2 points. For every wrong answer, he lost 2 points. How many questions did he answer correctly?

    asked by Sophia
  109. Chem

    The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. 2HBr(g) H2(g) + Br2(g) Kc=0.322 H2(g) + Br2(g) 2HBr(g) Kc= ?

    asked by Jodi
  110. English

    For school I have to read Pride and Prejudice. My teacher gave us an assignment where we have to find a different literary element every couple of chapters. I have been searching for a while now and can't seem to find anything. It has to be between

    asked by Radio Active Wear
  111. Chemistry

    The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14.

    asked by Ciaria
  112. chemistry

    If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced?

    asked by Ciaria
  113. Chemistry

    For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2? Answer in units of g. Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4 can be prepared by

    asked by Farrell
  114. physics

    two blocks of each mass m=3.75kg are fastened to the ceiling of an elevator. If the elevator accelerates upward at 1.6m/s^2. Find the tension in T1 and T2 in each upper and lower rope

    asked by Rebecca
  115. Math

    Four of the angles of a hexagon measure 53°, 126°, 89°, and 117°. What is the sum of the measures of the other two angles?

    asked by Student
  116. Physics

    You count 9 cycles across 8.1 time divisions on an oscilloscope screen. The time sweep is set to 60 micro seconds. The voltage peak is measured to be 22 volts. What is the frequency? You plot some data of Real Frequency versus HP Dial Frequency and get a

    asked by Isa
  117. physics

    2)Two objects are initially the same height above the ground. Simultaneously, one is released from rest and the other is shot horizontally with an initial speed of 2.5 m/s. The two objects collide after falling 20.0 m. How far apart were the objects

    asked by Anonymous
  118. Physics

    A raft measures 1.7m x 0.67m x 0.14m, and it has a mass of 13.5kg. What is the maximum mass that the raft can hold and still stay afloat

    asked by Scott
  119. math

    The Blue Ridge Trail starts at Park Headquarters in Big Bear Park and goes up the mountain. The Green Creek Trail starts at Park Headquarters and goes down the mountain. The table gives elevations of various points of interest in relation to Park

    asked by Susana
  120. Math

    The inflation rate in the united states in 2014 was about 1.3%. If prices go up by 1.3% per year, how long will it take for them to double? assume that prices are increasing continuously.

    asked by Dan
  121. MATHS

    Please help - In a stationery shop, there were pens, erasers and rulers. There were thrice as many pens as erasers and thrice as many erasers as rulers at first.After the shop keeper sold 6 rulers and some erasers there were thrice as many pens as erasers

    asked by SARAH
  122. Calculus 1

    If f(x)=3 sin x+ln(5x), find f '(x).

    asked by TayB
  123. maths please help and explain

    1.evaluate without using a calculator 2logx+1=log900 2.solve the following equation A. 3log(x-2)=4.714 B. 16^x-3 = 8^2x+1 C.10^2x=1/100

    asked by Maria
  124. physics

    2) Two objects are initially the same height above the ground. Simultaneously, one is released from rest and the other is shot horizontally with an initial speed of 2.5 m/s. The two objects collide after falling 20.0 m. How far apart were the objects

    asked by Anonymous
  125. History

    Can anybody help me figure out what is progressive and considered progressivism in this video. American Experience TR, The Story of Theodore Roosevelt Part4 4 PBS Documentary

    asked by TayB
  126. math

    An aeroplane leaves a runway and climbs at an angle of 15 degrees. After flying 800 meters, how high is it above the runway?

    asked by Christine
  127. Physics

    A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal

    asked by Anonymous
  128. Algebra

    If a=4.9 and b=1 5/9, the determine the value of the reciprocal of b/a. Express your answer as a common fraction.

    asked by Jenny
  129. Algebra 2

    solve square root 5-2x + 5 =12 5-2x under the sqaure

    asked by Zach
  130. Math

    A car travels for 10 minutes. it's velocity is given by v=960t-5t, where t is in minutes and v is in ft/min. Find the maximum speed in ft/min during those minutes. Please help I have no idea how to solve this problem.

    asked by Anonymous
  131. English

    what is a good thesis statement that I can form out of this prompt for A Raisin In The Sun choose one of the following characters. identify and analyze the character's primary internal conflict and external conflict and how each is resolved . I choose

    asked by Notafanofschool
  132. american history

    parliament passed the Coercive Acts,known in America as the Intolerable Acts,in response to

    asked by beverly
  133. Chemistry

    What is the limiting reactant when 45.9g of CuO are exposed to 2.57 g of H2 according to the equation CuO(s) + H2(g)−→Cu(s) + H2O(g) ? 1.CuO 2.Unable to determine. 3.H2 4.Neither is limiting.

    asked by Farrell
  134. physics

    A light beam in air enters a block of transparent material at an angle of 28.0˚ with respect to the normal. After refraction it makes an angle of 19.0˚ with respect to the normal. a) Find the index of refraction of the material. b) In a second setting,

    asked by Amanda
  135. chemistry

    how perspiration helps keep you cool on a hot day.? Perspiration keep’s you cool on a hot day because your really steamy and sweaty. You have no energy or strength to move. Your sweat drys up from your skin taking a little bit of your body heat with it.

    asked by Ciaria
  136. Chemistry

    You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second jar there is a small amount of water. how does the vapor pressure of water in the first jar compares with the vapor pressure of

    asked by Ciaria
  137. MATH miss.sue

    okay 4 friends had 19 Pieces of candy and how many pieces of candy will each friend get? HELP PLZ

    asked by Jasmine
  138. Child Development

    Research has shown that most preschool A.don't use the words "think,"remember or pretend c. believe that an event can be known without being directly observes. D. often insist they've always known information they just learned

    asked by William
  139. Stats

    What is the best measure to describe the total variability in a population or sample?

    asked by Dany
  140. sphy011

    a speedster traveling at a constant speed of 120 km/h passes a waiting police car which immediately starts from rest with a constant acceleration of 2.5 m/s^2.how long will it take the police car to catch the speedster?what is the distance that the

    asked by tebogo
  141. english

    paraphrase paragraph four

    asked by virginia
  142. CHEM NMR

    this one is dealing with H NMR... The compound is N,N-dimethylacetamide. Why would there be 2 distinct peaks from the 2 Methyl groups attached to the Nitrogen atom? This would suggest they are in different environments, why?

    asked by jon
  143. Spanish 1

    I am not really understanding how to do some of these. Need some guidance. Thanks!! Los verbos que terminan en -car, -gar y -zar What is special about the following verbs? Complete each of the sentences with the correct preterit form of the logical verb

    asked by Kelly
  144. Vectors

    which is not a possible type of intersection between three planes? a) intersection at a point b) three coincident planes c) intersection along a line d) intersection along a line segment I know that planes can intersect in a line but I don't know which of

    asked by Sara
  145. Calc

    The acceleration of a particle is given by a(t)=cos(t)-sin(t). At t=0, the velocity is 1. During the time from pi < t< 2pi, what is the acceleration of the particle when the velocity is 0. The less than signs are supposed to be less than or equal to signs.

    asked by Anonymous
  146. social studies

    Do you think the themes of Euripedes' plays would be play today?

    asked by Angelina
  147. English

    Which sentence is punctuated correctly? A. Milton wrote many prose works, but is more famous for poetry. B. In a sequence of sonnets dedicated to his wife Edmund Spenser traced their courtship. C. Sonnets were new to England, when Sir Philip Sidney wrote

    asked by Emi
  148. montclair state

    A stock is paying a dividend of $3.10 annually. You expect the dividend to grow at ate of 2% for the indefinite future. What price should the stock be selling for?

    asked by fanny
  149. science

    What is the difference between apparent and absolute magnitude

    asked by kevenhotdog74@
  150. maths

    Need help on this, Please : there was a total of 1134 durians, papayas and apples in a basket. when 25% of the durians and 96 papayas were taken out and 252 more apples were put in basket, there were an equal number of the three types of fruits, How many

    asked by SARAH
  151. WHY CANT I POST URL'S?

    If we have a source and do not own website then HOW CAN I POST URL'S?

    asked by Jishka Bot
  152. English

    Which structure is correct? We won at/in that tournament. Are you participating at/in that tournament?

    asked by Anonymous
  153. English

    Is this a good thesis statement? Walter Lee Younger faces both external and internal conflicts in the play which are ultimately resolved and can be seen through his clashes with his family, his thoughts and feelings and his decisions.

    asked by Notafanofschool
  154. FACTORISE FULLY

    (3x + y)^3 + (3x - y)^3

    asked by Tokisetso
  155. LA

    I just want some tips on writing ther essay! I don't want to cheat I just want tips

    asked by Makahla
  156. physical science

    most electricity generated in the united states comes from?

    asked by linda
  157. chemistry

    why water expands when it freezes? Water expands when it freezes because it starts to bend. when all the water molecules are in this hexagonal structure, the same amount of water takes up more space than when the molecules are randomly arranged. For

    asked by Ciaria
  158. math

    How do I find the area of a triangular prism, with a square and a triangle, in the shape.

    asked by Gav
  159. chemistry

    explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.

    asked by Ciaria
  160. Math - 7th grade

    Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student

    asked by Alexis
  161. 2 step equations

    0.5(x-8)=-1 0.5x-4=-1 0.5x=-5 x=-10 Is this right?

    asked by Kyra
  162. chemistry

    when 5g of impure sample of CH4 is completely combusted, 9g of H2O was produced.what is the percentage purity of the sample of CH4

    asked by john
  163. 2 s

    1.6(5.9-4x) - 3.21=31.85 9.44-6.4x-3.21=31.85 -6.4x +6.23=31.85 -6.4x=25.62 x= -4 not sure how to do the -6.4x=25.62

    asked by Kyra
  164. MATH

    What is the slope of a line at a 45* angle? why?

    asked by ALI
  165. Trigonometry

    Find (a) tan (x+y), (b) tan (x-y), (c) the quadrant containing (x+y), and (d) the quadrant containing (x-y). Given: tan x = 2/3, 0 < x < π/2 ; tan y = 5/6, 0 < y < π/2.

    asked by Zeke
  166. Probability

    You have a box containing 13 purple balls, 17 orange 15 green and 11 white balls. What is the probability you pull 2 orange balls followed by a white ball?

    asked by Dwayne
  167. not school

    Needing help setting up equation.if 1/4 of inch is equal to one foot of actual size dimension,determine the length represented by 7/8.is it a division problem.and if so he would I write it out

    asked by scott
  168. physics

    The angular position of a flywheel is given by theta=(2+5t+2t^2)rad . find the angular speed and acceleration at 3^rd second after the motion had been started.

    asked by help
  169. Math 5th grade

    John brings fruit punch to a school party. He brings 6 gallons of fruit punch but the students only drink 3/4 of it. How much did they drink?

    asked by Maria
  170. Homework

    The weels on johns bike have a diameter of 26 inches what is the circumference of the weels

    asked by Anonymous
  171. Chemistry

    Find density of C02 at room temperature and normal pressure.

    asked by Anonymous
  172. Global Issues!

    How do social policies effect poverty?

    asked by Mamii
  173. science

    What advantages of space probes

    asked by kevenhotdog74@
  174. science

    what is a humble telescope

    asked by kevenhotdog74@
  175. Chemistry

    Replace names by formulas and indicate oxidation and reduction agents (do not balance reactions). copper(ll) oxide + CH30H (Iq) ->CH20 (Iq) + cu (s)

    asked by Anonymous
  176. science

    describe 4 different types of satellites

    asked by gamer65
  177. 5th grade Math

    4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?

    asked by Sebastian
  178. Chemistry

    Can someone please help me figure out whether aqueous sodium sulfite is acidic or basic? I know it is a salt produced from sodium hydroxide and sulfur dioxide.

    asked by Anonymous
  179. HIS202

    During the latter part of the 19th century, Republicans were particularly strong in the _____ states?

    asked by Crystal
  180. math

    Which of the following is the best linear approximation for f(x)equals sin(x) near x equals =π seconds? y=-x+pie-1 y=-1 y=-x-pie y=-x+pie

    asked by Gary
  181. math

    True or false? If f is continuous at x = c, then f is differentiable at x = c.

    asked by Gary
  182. help last one asap ss

    In 3–5 sentences, describe the apportionment system for state legislative districts.

    asked by XenaGonzalez
  183. health

    In what way does your body's need for nutrients change when you are training for sports or competition?

    asked by jasmine
  184. Chemistry

    What happens when Potassium Oxide is left on a watch glass and exposed to air?

    asked by Anonymous
  185. algebra

    how long does it take for a rock that is falling down from a distance of 200ft high? what is the formula is used for this problem?

    asked by ho
  186. science

    what is a vector?their structure?

    asked by bridget
  187. math

    what is the fraction of 1 fourth?

    asked by robbin
  188. Physics

    A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal

    asked by Anonymous
  189. Algebra 2

    solve square root 2x-5 =7 the 2x -5 is under the sqaure

    asked by Zach
  190. Algebra 2

    solve 3 square root 2x +1 =3 2x +1 under the sqaure

    asked by Zach
  191. math

    When the measures of the angles of a triangle are placed in order, the difference between the middle angle and smallest angle is equal to the difference between the middle angle and largest angle. If one of the angles of the triangle has measure 23

    asked by G
  192. Trig

    How do you derive this identity? Cos(t)=1-sin^2(t/2)

    asked by Jean
  193. programming in c++

    c++ program that accepts customer data ,calculates discount based on the age and ticket price depending on the schemes offered by transport company.

    asked by Anonymous
  194. Pre-Calculus

    One walker was sponsored $100 plus $5 for the first kilometre, $10 for the second kilometre, $15 for the third kilometre, and so on. How far would this walker need to walk to earn $150? (I know it is 4 km, but I can't figure out how to write the general

    asked by Lucina
  195. c++ programming

    c++ program that accepts customer data ,calculates discount based on the age and ticket price depending on the schemes offered by transport company.

    asked by Anonymous
  196. science

    What is the difference between apparent and absolute magnitude

    asked by gamer65
  197. physics

    a force of 10N acts on an object and raises its speed from 0 to 5 m/s in 10s.calcuate the average power.

    asked by doc
  198. Math Problems

    Hi! Someone was helping me with these yesterday but I really didn't get anywhere because I was still confused. So if someone else could help me, that would be great! Thanks! Directions: Write out the partial fraction decomposition of the following rational

    asked by Gigi
  199. chemistry

    if 4.75 g of cooper and 3.20 g of sliver are available to react ,what is the limiting reactant

    asked by Jonathon
  200. math

    a tray with a square base is to be made from a square piece of cardboard by cutting 5 inch squares from each corner and folding up the sides. If the box is to hold a volume 520 cubic inches, find the length of the piece of cardboard that is needed.

    asked by Noel
  201. Physics

    What is the volume of water at 95 degrees Celcius if at 5 degrees Celcius the water is 5.56L?

    asked by Scott
  202. s@e

    4 dot points to why the biophyical environmemt is important

    asked by josh
  203. Reading

    What literary this is in the plane is a sled to ride

    asked by Randon
  204. Chemistry help please

    What type of radiation is emitted when K-38 decays into Ca-38?

    asked by Ciaria
  205. science

    if you can only see one "north", and the tilt is tilting "south", then its obstructed right?

    asked by Stevenrocks7584
  206. Physics

    A 75kg firefighter slides down a 2.5m fire pole from rest. It takes the firefighter 1.8s to reach the ground. If the firefighter bends his knees when he reaches the ground such that his centre of mass mives 41cm while coming to a stop, what must the normal

    asked by Anonymous
  207. Pre Algebra

    A pot water at a temperature of 25°C is placed on a hot burner. The temperature increases at a rate of 15° per minute until it boils at 100° C. The water continues boiling at this temperature. What is the slope of the graph after the temperature reaches

    asked by kiki
  208. Biology

    Are the p1 and p2 generations pure breeding?

    asked by Mel
  209. math,

    Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of

    asked by ehsan
  210. science

    How long dose it take the moon to rotate once and how many days dose it take to orbit the earth

    asked by kevenhotdog74@
  211. nscc

    Suppose you draw one card from a single deck of cards. (a) What is the probability that you draw an king? Round your answer to 3 significant digits*.

    asked by Anonymous
  212. Math

    2/9 + 2/3= Please show the work

    asked by LS
  213. algebra

    Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?

    asked by math
  214. algebra

    if f(x)=6^2-5x and g(x)=2x+3 solve for f(x)=g(x)

    asked by ho
  215. chemistry

    why gasoline wouldn't dissolve in water ?

    asked by Ciaria