1. Government

    Which is the main source of money used to pay for public primary and secondary schools? A. state funding B. federal funding C. local taxes D. parents of students The answer is not A!
  2. com130

    Imagine you have been asked to communicate to several clients regarding a delay in the production of widgets your company produces. Your clients are both local and international. They have diverse backgrounds, technical experience, and understanding.
  3. early childhood education

    To enrich children's learning and play experiences' you may borrow...... from your local public library. (a)videocassette recorders (b)slide projectors (c)videocassette tapes (d)toys i cant figure out this at all can you please help me
  4. Physics

    A 72.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with a radius of 4.65 m. What speed (in m/s) does he need at the bottom assuming that the local acceleration due to gravity is 9.80
  5. econ

    Suppose an individual has 60 hours of time available in the week and has to decide how much to work. The hourly wage is $ 10 and he has $ 50 per week from a government subsidy. 1. (15 points) Draw an equilibrium where the individual choose to work 50 hours
  6. physics

    The heat of vaporization of ethyl alcohol is about 200 cal/g.If 2.4 kg of this fluid were allowed to vaporize in a refrigerator, find what mass of ice would be formed from 0 degree C water.
  7. Chemistry

    Heat is applied to an ice cube in a closed container until only steam is present. Draw a representation of this process. What happens to the size of the molecules and total mass of the sample?
  8. chemistry

    which of the following is not spontaneous process at 25 degrees celsius and 1 atm pressure? ice melting iron rusting salt dissolving steam condensing water boiling
  9. chemistry

    which of the following will result in a chemical change?A.melting ice to obtain water B.evaporating alcohol into vapor.C.drying wood in ashed D.burning coal in a furnace
  10. Science

    A meteorite is DIFFERENT from a comet mainly because has a tail of ice and dust enters the earth's atmosphere*** has a nucleus made of snow and rock is found in the orbit between Mars and Jupiter
  11. physics

    Suppose partial melting of the polar ice caps increases the moment of inertia of the Earth from 0.331MR^2 to 0.332MR^2. What is the change in length of day in seconds?
  12. Chemistry

    Do you know how to set up the ICE? That's what you need to do. If you know but are confused, tell us what you don't understand about it. At 55 degrees celcius, the K for the reaction: 2NO2 (g) N2O4(g) is 1.15 Calculate the concentration of N2)4(g) present
  13. Maths

    Rajesh gets Rs 240 per month. He spends one-third of it on ice creams ,one-half on comic books and the remaining on wafers . Find the ratio of the money spent on each item
  14. Art

    Discuss a minimum of two reasons why Jackson Pollock's Convergence (p. 510, Figure 734), is a work of "fine art" as opposed to an arbitrary composition of paint. Imagine that you are a defense attorney for this work of art. Establish a very strong
  15. central academy

    rupesh completes a work in 3 days and sakshi completes it in 1 day only ..if they both complete the work in 15 days then how many days rupesh took in completing the work ??
  16. Science

    Consider the isothermal expansion of 4.50 mol of an ideal gas at 450 K from an initial pressure of 12.0 bar to a final pressure of 2.75 bar. Describe the process that will result in the greatest amount of work being done by the system and calculate work
  17. Intergrated science

    I need help... I don't know where to begin to answer this question. We are working in force/work ok... This is the question: A pole vaulter weighing 175 lbs leaps 16 ft over a bar . How much work is done?
  18. algebra

    a survey of 2000 people was giuven their mode of transportation to work each day, the pie chart below gives the results of people surveyed, how many traveled by bike to work?
  19. AP Physics 1

    How much work is required to compress a spring, k = 33.3 N/m, from its equilibrium point at x = 0.0 m to x = 5.0 m? I am not sure how to approach a problem like this - what equation do I use? I know work = Force * Distance, but these aren't exactly terms I
  20. Algebra

    Find all solutions to the following system of equations: x + 3y + 2z = 6 -3x + y + 5z = 29 -2x - 3y + z = 14 This just did not work out for me. Here is my work: I first solved Equation #1 for x. x = -3y - 2z + 6 Then, I did substitution, and replaced x for
  21. I cant post

    I have problem i cant submit my work this keep poping up when i need to submit my work the page you are trying to access is forbidden. Please contact Jiskha Homework Help if you believe you have received this message in error. For Further Reading
  22. algebra

    A survey of 2,000 people was given to find their mode of transportation to work each day. The pie chart below gives the results. Of the people surveyed, how many travel by bike to work?
  23. math

    A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.12 for each minute of calls. Plan B costs $27 plus an additional $0.07 for each minute of calls. when do the two planscost the same?
  24. Calculus

    find the values a and b must have to make the function f(x) = axebx have the following properties, rather than the ones the book requires: Make f([ 5/4]) = 2, and make sure f has a local maximum when x = [ 5/4]. a = b =
  25. math

    a local resturant sells muffins in boxes of 6, 9, and 20. determine whether the following amounts of muffins can be purchased. number of drsired muffins 15,99, 19, 48,76
  26. calculus

    Please help with this. I need the first derivative of f(x)=4(x+squareroot (x(8-x)) and then the second derivative of this to show by the second derivative test that it is a local maximum. This is difficult to put into form here and I hope I have got it
  27. Math

    The graph of a rational function has a local maxima at (-1,0) and (8,0). The complex number 2+3i Is a zero of the function. What is the least possible degree of the function Answer is 6 But i need help with an explanation.
  28. Math

    Naomi and 50 red beads and white beats the number of red beads is one more than six times the number of white bees how many red beans does Naomi have. What does one more than six times the number of white beads mean coming from me Alexis I do not know how
  29. Physics

    A glider (mass = 0.12kg ) on a frictionless horizontal air track is connected by a light string over a pulley to a metal block (mass = 0.13kg ) hanging vertically (see figure below). The objects are released from rest and move 0.44 m . a)Find the objects'
  30. Physics

    A crate (weight 381 N) is lowered vertically a distance of 3.0 m by two ropes at a constant speed of 1.2 m/s. The tension in rope A is TA = 248 N; the rope makes an angle of ƒÆA = 63‹ with the horizontal. Rope B makes an angle of ƒÆB = 55‹ with
  31. English

    I forgot to include the following sentences. Thank you. 1) So he decides to make himself a hiding place. The narrator examines the material with which the ship was made (has/had been made?) and finds them strange. In particular, he notices that though well
  32. government

    the election process is largely governed by a. state law b. federal law c. local law d. PACs b
  33. Chemistry

    had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a pure solvent, sodium chloride, sucrose, and ethylene glycol. We had to work with a partner so I completed the experiment for
  34. Lang Arts

    2. In “Cream Puff,” Jen is a dynamic character because she shows her active personality in the story. is the main character of the story. stays the same during the course of the story. changes during the course of the story. 3. Jen resolves her
  35. Chemistry

    How much energy is required to convert 360 gram of ice having temp -10 c to convert in to steam
  36. 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?
  37. CHEMISTRY

    How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?
  38. 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?
  39. Physics

    How many degrees are between the melting point of ice and the boiling point of water on the Kelvin scale?
  40. Chemistry

    how do you compensate for coefficents while using a BCA chart? I know that you have to while using an ICE chart by multiplying by 2 when the coefficient is 2 etc, so that's why I was wondering...
  41. Chemistry

    26.5 kJ of heat is added to 5.44 g of ice at 0 C. What phase(s) are present and what is the temperature of the system after all the heat is absorbed?
  42. physics

    A 71.5 kg ice skater moving to the right with a velocity of 2.92 m/s throws a 0.16 kg snowball to the right with a velocity of 20.1 m/s relative to the ground.
  43. Physical Science

    How much heat is needed to melt 100 g of ice at 0°C? A: 8000 B: 540 C: 7200 D: 100
  44. Physics

    what is the number of grams of steam at 100 degrees C that will condense as 5g of ice at 0 degrees C melts?
  45. CHEMISTRY

    HOW MANY GRAMS OF ice at 0oc can be melted into water at 0oc by the additon of 75.0 of heat ? hfus = 6.01 kj/mo
  46. Chemistry

    Calculate the heat (in kJ) required to change 40.0g of ice at -30.0 deg C to steam at 150.0 deg C?
  47. Physics

    How much heat must be removed from 500 grams of water at 0 degrees C to form ice at 0 degrees c?
  48. Beginner Chemistry

    How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?
  49. PHYSICS/SCIENCE

    How much heat must be removed from 5.0g of water at 10°C to become ice at 0°C ? (my name is Kevin and I changed it to KPL cuz there is another kevin here)
  50. Science

    why is 0 degress celsius considered both the freezing point of water and melting point of ice?
  51. Chemistry

    How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)
  52. physics

    Find the mass of 0 degree C ice that 15 g of 100 degree Csteam will completely melt.
  53. Chemistry

    How much heat is required to change 10 grams of ice at 0 deg. C to steam at 100 deg C?
  54. chem

    How much heat(energy) in calories will it take to warm 25 g of ice at -10 degrees C to liquid water at 40 degrees C?
  55. physics

    How much heat is required in order to change 5 g of ice at -15 degree to steam at 150 degree?
  56. chemistry

    what will be the final temperature when equal amounts of ice at-10 degree is added to water at 60 degree c
  57. Physics

    A sample of ice at 0-degree melts after absorbing kJ of heat. How many kg of H20 are contained in the sample?
  58. Physics

    How much heat is necessary to change 20g of ice at 0 degree C into water at 0 degree C? (Lf = 80kcal/kg) is it 1.60kcal?
  59. Chemistry

    how much heat is needed to convert 966g of ice at -10 deg C to steam at 126 deg C
  60. physic

    how many kcal of heat must be withdrawn from 4.56 kg of steam at 125 degrees C to change it to ice at -44.5 degrees C???
  61. Math

    The graph of a rational function has a local maxima at (-1,0) and (8,0). The complex number 2+3i is a zero of the function. What is the least possible degree of the function? I know The correct answer is 6. I need help with the explanation please.
  62. Managrial Economics

    Anyone has answer for this please? A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer.
  63. 10th geade Chem

    Does anyone know how much heat do I need to convert 95g. of ice at -25 C. to water at 30 C. the heat capacity of H2O(s) is 2.1 J/g*C.
  64. chemistry

    the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice
  65. El Paso Community College

    What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C?
  66. physics

    An ice skater glides around a rink at a constant speed of 2 m/s. Is the skater accelerating?
  67. Physics

    how much heat energy needed to convert 125g ice 27 deg C to 50 deg C
  68. Chemistry

    How much heat is required to change 2.5kg of ice at 0.0 degrees C to water at 50 degrees C?
  69. chemistry

    If you add heat energy to water molecules i the form of ice,where does the energy go?
  70. science

    There are 150 grams of water in a beaker. If the water freezes,what is the massof the ice?
  71. gcu

    Show that 100 g of 100°C steam will completely melt 800 g of 0°C ice.
  72. science

    what happen to the depth of the pond when a stone covered with ice is thrown in the pond
  73. science

    How much heat must be removed from 0.20kg of water at 10.0oC to form ice at 0oC?
  74. Chemistry

    How many 9.5 gram ice cubes will you have to put into 500 ml of water to cool the water from 22°C to 18°C?
  75. pH

    Determine the pH of each of the following solutions. 0.21 M KCHO2 0.19 M CH3NH3I 0.19 M KI I'm not sure how i should set up the ice chart, and what Ka I should be using for the solutions
  76. Chemistry

    How much heat is needed to convert 10g ice to 10g water vapor?
  77. chemistry

    How much heat is associated with converting 100 g of steam at 112 degrees C to ice at -5.3 degrees C
  78. SS

    I have to show constrasting landforms of Canada and the US (dry area and ice, for example). What are some landforms I can use?
  79. chemistry

    One has 100.0 grams of water and 45.0 grams of ice in a flask at 0 C. (a) what is the total volume?
  80. chemistry

    What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C? Thank you so much!
  81. chemistry

    how many grams of water at 0 degree C can be frozen into ice at 0 degree C if 55.0 kJ of heat is removed?
  82. Chemistry

    If 75 g of ice at 0.0 Celsius were added to 1.5 L of water at 75 Celsius, what would the final temperature of the mixture be?
  83. college chemistry

    if 75 g of ice at 0.0 degrees C were added to 1.5 L of water at 75 degrees C what would be the final temperature of the mixture
  84. Chemistry

    What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C? Thank YOu
  85. niu

    Show that 100 g of 100°C steam will completely melt 800 g of 0°C ice.
  86. Chemistry

    How much heat is required to change 10 g of ice at 0o deg C to steam at 100 deg. C?
  87. Science

    what is the relative location of the marine biome, specifically the ice cap biome?
  88. physics

    A leaf frozen into a pond in winter is 40mm below the surface of the ice. How far does the leaf seem to be ?(n=1.31)
  89. Sicence

    Define erosion and tell how gravity works with water ice and wind to cause erosion
  90. U.S history

    Was Slavery the basis of freedom in colonial America? This what I hvae written I feel like its to much and would like to shorten it and make it sound more college level plz help. In colonial America slavery was the basis of freedom. In areas such as Europe
  91. English

    1. He shall do the work. 2. I will make him do the work. 3. I want him to do the work. --------------------------- Does #1 mean #2 or #3?
  92. physics

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 85.8-kg person straight up by means of a cable. The person has an
  93. Physic

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 75.4-kg person straight up by means of a cable. The person has an
  94. Physics

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 72.4-kg person straight up by means of a cable. The person has an
  95. Chemistry

    This is sort of like the one I last posted, only it asks for the final temp. instead of energy... What is the final temp. (in degrees C) after a 15.5 g piece of ice at 0 degrees C is placed into a styrofoam cup with 125.0 g of water initially at 72.0
  96. math foundations 20

    How do I solve normal distribution word problems? Ex A manufacturer offers a warranty on it's coffee makers. The coffee makers have mean lifespan of 4.5 years, with standard deviation of 0.7 yeaes. For how long should the coffee makers be covered by the
  97. Math 7

    A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are
  98. ELA

    What should be changed in this sentence? Yes, only six rooms is finished A. change Yes, to Yes B. change is to are C. change finished to finish D. make no change B? What should be changed in this sentence? Construction was started eight years ago in 1792,
  99. physic

    150g of ice at 0 degreecelcius is mixed with 300g of water at 50 degreecelcius.calculate the temperature of the mixture.
  100. Chemistry

    Calculate the heat required to convert 5gm of ice at 0oc into 5gm of steam at 100oc.