Questions Asked on
June 27, 2013

  1. Chemistry

    Two 20.0-g ice cubes at –20.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. Heat capacity of H2O(s)=37.7J Heat capacity

    asked by Jessica
  2. government

    1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The

    asked by Allison
  3. science

    How much heat is absorbed when 52.3 g H2O(l) at 100°C and 101.3 kPa is converted to steam at 100°C? (The molar heat of vaporization of water is 40.7 kJ/mol.)

    asked by michael
  4. Chemistry

    If you weigh out 2.083 g Fe(NO3)3·9H2O, what is the final concentration of the dilute Fe(NO3)3 solution that you make?

    asked by Sarah
  5. maths

    1. a man sells a tv for rupees 3450and makes a profit of 15% . he sells a second tv set at a loss of 10%.if on the whole he neither gains nor loses , find the cost price of the second tv. 2.a man sells two tables at the same price. on one he makes a profit

    asked by cutie !!! help me please
  6. english

    Sketch character of lencho (class 10th cbse course)

    asked by Dwithun Basumtary
  7. U.S. Government

    1. Amendment -- gave all men the right to vote regardless of race. - 15? 2. People who believe voting is important have high political ----c-c-. - efficacy? 3. It is an essential part of democracy in action, for the people to ---e. - vote? 4. The age

    asked by Allison
  8. math

    line L bisects and is perpendicular to line AB and line CD. Line AB = CD line AB = 140 and line LM = 24 what is the lenght of line NQ

    asked by debra
  9. Government (Check Answers)

    1. What is the procedure of voter identification intended to help prevent fraudulent voting and keep the process organized? A) political socialization B) registration C) gerrymandering D) precinct divisions E) franchising 2. What do you call all the

    asked by Allison
  10. To Mara; Re: algebra

    I accidentally deleted your post. Sorry. a 10 foot board is cut into two pieces. If one peace measures x, write an expression for the lenght of the other piece 10 - x = y

    asked by Ms. Sue
  11. chemisty

    calculate the heat energy released when 25.8 g of liquid mercury at 25 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm: heat capacity of Hg-->28.0 melting point-->234.32 K enthalpy of fusion-->2.29 kj/mol

    asked by Jill
  12. physics

    5. A bowling ball (mass = 7.2 kg, radius = 0.13 m) and a billiard ball (mass = 0.45 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?

    asked by sam
  13. Chemistry

    what is the molarity of 28.9 g of CaCl2 dissolved in water to make 0.78 L solutions?

    asked by Chantil
  14. chemistry

    Two 20.0 g ice cubes at -16.0 C are placed into 285 g of water at 25.0 C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. heat capacity of H2o(s)-->37.7 heat capacity of

    asked by Jill
  15. English 10

    Add punctuation to the following excerpt. Irving continues in those days, the heart of lover could not contain more than one lady at a time a modern gallant has often room enough to accommodate half a dozen either the hearts of the gentleman have grown

    asked by Sally
  16. physics

    The highest barrier that a projectile can clear is 13.4 m, when the projectile is launched at an angle of 11.0o above the horizontal. What is the projectile’s launch speed?

    asked by brain
  17. chemistry

    how many grams of copper is displaced from copper sulphate solution by adding 27 grams of aluminium

    asked by amish
  18. Java Programming

    I need to create a pseudocode for the follwing application: Write Java-like pseudocode to specify the logic for the following program application: Write an application that prompts an employee for an hourly pay rate and hours worked. Compute gross pay

    asked by John
  19. physics

    A 3 N weight slides down a ramp made of sandpaper. The coefficient of friction is 0.8, and the ramp is at an angle of 50° to the horizontal. How could you calculate the magnitude of the friction force? A. 3 N × sin(50°) B. 3 N × 0.8 × 50° C. 3 N ×

    asked by joe
  20. Physics

    A cylinder with moment of inertia 22.1 kg m2 rotates with angular velocity 5.71 rad/s on a frictionless vertical axle. A second cylinder, with moment of inertia 28.3 kgm2, initially not rotating, drops onto the first cylinder and remains in contact. Since

    asked by Wolves
  21. physics

    Batman is standing on a cliff 120 m high. He is testing a new bat grappling hook. He fires the hook with an initial velocity of 85 m/s at an angle of 45o with respect to the horizontal. How far from the base of the cliff (d) does the hook land?

    asked by willy
  22. statistics & probability

    according to a survey, 30% of 18-25 year olds have blue eyes. In a random sample of 8 people in this age group what is the probability that exactly 0 have blue eyes?

    asked by Madison
  23. ENGLISH

    dear sir i would like to know abstract noun for certain common nouns eg agent ,thief,pilgrim,glutton.

    asked by chetna
  24. To Minnie

    I deleted your original post because it included an email address. In order to keep everyone safe, our policy is not to allow email addresses to be posted. If you write your text here, we'll be glad to help you with it. Then, when we're finished

    asked by Ms. Sue
  25. Statistics

    If 1000 raffle tickets were sold for a TV prize that is worth $275 and a ticket number is drawn to determine the winner, what is the expected value of the raffle?

    asked by Amanda
  26. Can someone please check my answer for chemistry

    Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online homework says its wrong, what am I doing wrong?

    asked by Mary
  27. english

    how to convert common noun in to abstract noun eg. agent, glutton,pilgrim. please help.

    asked by chetna
  28. physics

    11. A major-league pitcher can throw a baseball in excess of 42.4 m/s. If a ball is thrown horizontally at this speed and acts like a projectile, how much will it drop by the time it reaches the catcher who is 17.0 m away from the point of release?

    asked by vector
  29. Chemisty (How do I calculate)

    What is the Molar Enthalpy of Neutralization (ΔHn) in kJ/mol if 5.00 moles of HCl(aq) (acid) neutralized 5.00 moles of NaOH(aq) (base) and released 16396 J of heat?

    asked by Mary
  30. Business Math

    You are the owner of a Jani-King cleaning service franchise. Your accountant has determined that your business will need $27,500 in new equipment in 3 years. If your bank is paying 6% interest compounded monthly, how much must you invest today to meet this

    asked by Tee
  31. physics helpdifficult

    i want the answer just don't leave it upon me just giving the process..................................................................................................Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions

    asked by lin
  32. Business Math

    Quinn and Julius inherited $50,000 each from their great-grandmother’s estate. Quinn invested her money in a 5-year CD paying 1.6% interest compounded semiannually. Julius deposited his money in a money market account paying 1.05% compounded monthly. How

    asked by Tee
  33. keith

    drop a ball from a height of 1.5 meters. Calculate its seed when it hits the floor

    asked by aaron
  34. statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls

    asked by Katelyn
  35. Physics (Stress & Strain)

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N. The steel hanger in question has a cross sectional area of 7.000cm^2. ANS = (Round to 3 decimal places) ultimate strength =

    asked by Danny
  36. Please check

    Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online homework says its wrong, what am I doing wrong?

    asked by Mary
  37. 02604400

    teachers aid

    asked by Anonymous
  38. Business Math

    To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years requires you to use a table factor that goes beyond the Compound Interest Table. Calculate the new table factor for this investment.

    asked by Tee
  39. Business Math

    Fred North owns Redlands Farms, a successful strawberry farm. The strawberry plants increase at a compound rate of 12% each year. Each year Fred brings new land under cultivation for the new strawberry plants. If the farm has 50 acres of strawberry plants

    asked by Tee
  40. Language and other barriers

    An example of an exceptional child is one who

    asked by Grace
  41. Maths

    History of number

    asked by Dwithun Basumtary
  42. english

    Biography of nelson mendela

    asked by Dwithun Basumtary
  43. science(physics)

    a ball of mass 8kg falls from rest from a height of 100m negleting a resistant calculate its kinetic energy after falling a distance of 30m (take gravity as 10m/s?

    asked by williams
  44. physics

    . A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50-m tall building. When the ball hits the ground, its velocity vector makes an angle θ with the horizontal. What is θ ?

    asked by vector
  45. physics

    Geosynchronous communications satellites are placed in a circular orbit that is 3.59 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance?

    asked by bill
  46. statistics

    Which of the following criteria must be met to do a one-sample test for a proportion? A. The data values in the sample must be independent. B. The parent population must be normally distributed. C. The data must come from a random sample. D. The sample

    asked by Katie
  47. Maths

    What for the area of Sqaure?

    asked by Jnr John
  48. Business Math

    Compute the amount of compound interest earned in 1 year for an investment of $1,000,000 with a nominal interest rate of 8% compounded quarterly.

    asked by Tee
  49. Business Math

    Compute the Annual Percentage Yield (APY) for the investment in the previous question. (Round APY to the nearest hundredths of a percent.)

    asked by Tee
  50. Business Math

    Bob and Joy Salkind want to save $50,000 in 5 ½ years for home improvement projects. If the Bank of Aventura is paying 8% interest compounded quarterly, how much must the couple deposit now to have the money for the projects?

    asked by Tee
  51. English

    how do Huck and Jim feel about the sanctuary of the raft and how do they feel about the violence and shame of the shore? I have to make a collage on this and I don't really know what to put. I was thinking of drawing a river and in the inside of the river

    asked by HELP
  52. Ganguage barriers

    If a child displays discriminatory behavior in the classroom, one should

    asked by Grace
  53. english grammar

    write an essay on the the topic- government has granted a large amount of money to your school to construct a hobby room and buy instruments for your school orchestra. why would you like to have the two in your school.

    asked by tina
  54. Maths

    History of pie

    asked by Dwithun Basumtary
  55. ENGLISH

    can you please help me to solve this task? Complete the sentences with the correct form of the verbs in brackets. I 1 _____________________ (go) to the gym for quite a long time and I 2 _____________________ (still wait) to see some results. Every time I

    asked by anna
  56. ENGLISH

    can you write me an essey students should be further based on homework than the hobby and sport just something that I see how that need to be

    asked by bruna
  57. essex county

    a robe exert a force on a 20kg crate. the crate starts from rest and accelerates upward at 5m/s^2 near the surface of the earth. how much work was done by the force in raising the crate 4.0m above the floor?

    asked by bk
  58. Community:Help!

    1. Determine a need within your community. There are many ways by which you can obtain this kind of information. 2.Once you have determined the need you would like to address, make a list of potential volunteer or service projects that could impact this

    asked by Adria
  59. physics

    how to show with the help of a model that resistivity of a conductor increases with increase in temperature?

    asked by edward
  60. Community:Help!

    Once you have determined the need you would like to address, make a list of potential volunteer or service projects that could impact this need. Explain why this effort is important to your community. Since I have to write this in a complete paragraph, do

    asked by Adria
  61. Economics

    What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word

    asked by Megan
  62. Chemistry problem check

    Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online homework says its wrong, what am I doing wrong?

    asked by Mary
  63. Math

    The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ƒÏ = 0 in favor of ƒÏ ‚ 0 at

    asked by Tracy
  64. Physics (Stress & Strain)

    The ultimate strength of a steel rod is 550.000MPa. If the factor of safety of 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 4.100cm? ANS = kN (Round to 3 decimal places) ultimate strength = 550.000MPa Factor

    asked by Danny
  65. Math

    Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4 = ì5, with

    asked by Tracy
  66. econ 112

    A random sample of 400 morning shoppers showed that 130 were men. A random sample of 480 evening shoppers showed 187 to be men. Use a 5% level of significance to test for a significant difference in the proportion of morning and evening male shoppers. What

    asked by Anonymous
  67. mitx 2.01x

    We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the -axis along the neutral axis of the beam, oriented from left to right, with origin at .

    asked by Anonymous
  68. Chemistry please help

    Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e-4, but my online homework says its wrong, what am I doing wrong?

    asked by Mary
  69. physics

    A diffraction grating has 5540lines/cm . When a beam of monochromatic light goes through it, the second pair of bright spots occurs at ±26.0cm from the central spot on a screen that is 42.5cm past the grating. To see if the 'small angle approximation' is

    asked by Avantika
  70. Business Math

    calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly.

    asked by Tee
  71. accounting 305

    You are reviewing the December 31, 2012 financial statements of Ellie's Antiques that is considering an initial public offering of its shares. The following items come to your attention

    asked by Anonymous
  72. Economics

    What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word

    asked by Megan
  73. physics

    The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person’s eyes and the building is 87.8 m. In part a the person is looking at the base of the antenna, and his line of sight makes

    asked by josh
  74. Biotech

    So our proposal in our biotech is all about wine, so I'm wondering, before, why do people usually use grapes in making wine and not using other sweet fruits like apple, or orange? Does Grapes contain Yeast?? And also how will a wine turn into a Vinegar?

    asked by MiraJane
  75. health

    how do you lose weight

    asked by jamie
  76. trig, math

    A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far from the base of the deck, on ground level, should the beginning of the stairway be placed so that the stairway forms a 60° angle from the ground?

    asked by Mason
  77. College Algebra

    Can someone tell me if I have this one correct. log_1/2x 2+log_1/2x the relationship is a shift of 1 unit horizontally

    asked by Julie
  78. chemistry

    Determine the gram molecular weight of 3.5 moles of H2O2

    asked by monica
  79. Algebra 1A

    What do you do to graph (and shade) a system that does overlap?

    asked by Kim
  80. physics

    Two forces act on a 10-kg mass. The first force has a magnitude of 15 N and pushes the mass due North. The second force has a magnitude of 25 N and pushes the force due West. What is the magnitude and direction of the acceleration of the mass?

    asked by gale
  81. English

    Can you please have a look at these questions I need to prepare for tomorrow? 1) Outline briefly the main features of English Romanticism. 2) Give a definition of primary and secondary imagination as given by Coleridge in his Treaty of Philosophy. 3) Which

    asked by John
  82. Psychology

    what are some strategies that you can suggest for adults to age successfully?

    asked by Jay
  83. Psychology

    How can we enhance our knowledge of adult development?

    asked by Jay
  84. Math

    Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1 - sample 2. Give your answer correct to two decimal places.) Sample Number Mean Std. Dev. 1 25 38.6 13.7 2 29

    asked by Tracy
  85. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls

    asked by Katie
  86. math

    Find the value of z that would be used to test the difference between the proportions, given the following. (Use G - H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321 .

    asked by Tracy
  87. Physics

    Car A uses tires for which the coefficient of static friction is 0.357 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 27.7 m/s. Car B uses tires for which the coefficient of static friction is 0.737 on the

    asked by Justin S.
  88. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR

    asked by Katie
  89. psychology

    When anxiety occurs in brief but very intense episodes that usually consist of a pounding heart, sensations of choking, shaking, and feelings of impending death, a diagnosis of ________ may potentially be made.

    asked by Anonymous
  90. math

    How many ways can the integers 1,1,2,3,4,5,6 be arranged in a row, so that no integer is immediately adjacent to two strictly larger integers? NOTE: The sequence 3,1,2,4,5,6,1 is not valid as 1 is adjacent to 2 and 3, both of which are strictly larger than

    asked by Help
  91. Math

    How do i get 2 consecutive numbers (pair numbers) that they product is 272? 4X² + 4X - 272=0

    asked by Andrey
  92. physics

    A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.95 m/s. The car is a distance d away. The bear is 37.0 m behind the tourist and running at 7.80 m/s. The tourist reaches the car safely. What is the

    asked by lojain
  93. chemistry

    find the ph of the resulting solution 10 ml of 0.06 mol/l is mixed with 20 ml of 0.02 mol.l Ca(OH)2

    asked by nina
  94. physics

    A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.95 m/s. The car is a distance d away. The bear is 37.0 m behind the tourist and running at 7.80 m/s. The tourist reaches the car safely. What is the

    asked by lojain
  95. ENGLISH

    you really help me at a last one and if you have some time can you help me whit this too? Read the text and choose the correct answer. ok,everyone,listen,please,I want to go over the plans for tonight one more time.Henrys train_________at eight o'clock and

    asked by anna
  96. ENGLISH

    aha i really didn't know what is this for shure so thans anyway

    asked by anna
  97. American government

    I am to develop a policy to increase voter turnout. It is to be a powerpoint presentation. I want to addresses such things as online voting, lowering the voter, and early voting. I am not sure if this is the right way to go. Can someone please help me.

    asked by angela
  98. physics

    Determine the kinetic energy of an object 8.0 kg going at a speed of 12.0 m/s.

    asked by janai
  99. Math

    Which of the following classes has the largest ratio of boys to girls?

    asked by Jessica
  100. definition

    What is the definition of impact.

    asked by Celest
  101. Physic

    A body was lifted 2m above the ground and then dropped. It hit the ground with 5 kg of kinetic energy. How much work was done to lift 2m Someone please help I'm stuck

    asked by Amy
  102. Meaning

    What does this mean? Make a list of potential volunteer or service projects that could impact this need.

    asked by Adria
  103. Math (Calculus)

    A(1,0) is a point on the parabola y=2x(x−1). From point A, point P is moving along the curve towards the origin O(0,0). As P → O, sec^2∠APO → N, where N is a positive integer. What is the value of N?

    asked by Bob
  104. trig, math

    In a right triangle with g the right angle, b = 86.5 and c = 125.8. What is β ?

    asked by John
  105. Math (Limits)

    (1,0) is a point on the parabola y=2x(x−1). From point A, point P is moving along the curve towards the origin O(0,0). As P→O, sec^2∠APO→N, where N is a positive integer. What is the value of N?

    asked by Bob
  106. english

    full essay on climate change

    asked by ashika