1. Math

    There eight girls competing in an ice=skating competition. In how many ways can they finish in first, second and third place? 366 1,680 2,016 40,320 I think it is 2,016

    asked by Karla on May 17, 2015
  2. Chemistry - Solubility Equilibria

    Calculate the concentration (in M) of Tl^+ when TlI just begins to precipitate from a solution that is 0.0315 M in I^−. (Ksp = 5.54 ✕ 10^−8) Do I just set up an ICE table for this? So it would be 5.54X10^-8 = (.0315+x)x?

    asked by Jamie on March 29, 2018
  3. Physics

    If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water? T = degree C

    asked by Anonymous on May 7, 2011
  4. chemistry

    The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________. i know the answer is 7.00, but im not sure how to solve it, do i create an ice chart?

    asked by laney on November 23, 2010
  5. physi

    a slab of ice floats on a freshwater lake what is the minimum volume must the slab have for a 45kg women to be able to stand on it without getting her feet wet?

    asked by paul on July 20, 2010
  6. geometry

    The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.

    asked by Olive on September 1, 2013
  7. Chemistry

    H2 (g)+I2 (g)↔2HI(g) Calculate ΔG for the system at 700 K when the concentrations are [H2] = 0.12M, [I2] = 0.27M, and [HI] = 0.118M. What would be my first step? If I make an ICE chart, what would I do from there? I just need the first step to help me

    asked by Robby on May 2, 2015
  8. phy

    A slab of ice floats on a freshwater lake. What minimum volume must the slab have for a 50.0kg woman to be able to stand on it without getting her feet wet?

    asked by shree on November 29, 2013
  9. Chemistry

    As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy: increases decreases remains the same

    asked by Megan on April 28, 2010
  10. Math

    if the visible part of an ice berg is 50mx50m in area and 20m is above the surface, what is the height, h, below the surface? I have absolutely no idea where to even start.

    asked by George on October 5, 2013
  11. physics

    Two ice skaters of equal mass grab hands and spin in a circle once every four seconds. their arms are 0.76 m and they each have mass of 55.0 kg. how hard are they pulling on one another?

    asked by Anonymous on November 18, 2015
  12. phsc

    Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond.How can you move youself to the edge of the pond ?

    asked by brandy on June 24, 2012
  13. Chemistry

    33. As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy 1)decreases 2)increases 3)remains the same

    asked by . on April 12, 2009
  14. physics

    Determine the melting temperature when 150.00g of ice at 0 degree celdius is mixed with 300g of water at 50 degree celsius?

    asked by elle saqs on October 13, 2016
  15. science

    A skater is coasting alone the ice without sexerting any apparent force. Which law of motion explains the skater's ability to continue moving?

    asked by Summer on March 11, 2010
  16. physics

    A hockey puck sliding on the ice with velocity 10m/sec is stopped by a goalie in 0.10sec. what is the goalie stopping distance ∆x in doing so.

    asked by Ama on December 7, 2010
  17. chemistry

    Calculate the work done (in joules) when 5.0 mole of water is frozen at 0°C and 1.0 atm. The volumes of five moles of water and ice at 0°C are 0.0900 L and 0.0980 L, respectively.

    asked by Dani on October 30, 2016
  18. hardware

    We are talking about the new software ice cream sandwich (ICS)for the Android Phone. The question which I need help with is what does the software do compared to previous versions. Thanks

    asked by Guillermo on December 8, 2011
  19. chem class

    The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________. i know the answer is 7.00, but im not sure how to solve it, do i create an ice chart?

    asked by laney on November 24, 2010
  20. SCIENCE

    which process does not produce a physical change of state? A) MELTING ICE B) HEATING WATER VAPOUR C) FREEZING WATER D) MY GUESS IS

    asked by Taillen on December 13, 2012
  21. Chemistry

    In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

    asked by Sam on July 12, 2010
  22. business math

    In how many ways can 5 ice cream toppings be chosen from 12 available toppings?

    asked by cmb on October 27, 2010
  23. English/Reading 10 HELP

    TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and little-traveled trail led eastward through the fat spruce timberland.

    asked by Ariel on June 7, 2010
  24. Chemistry

    Can you check my answers? Thanks!!!! What would happen to the volume-to-temperature ratio if: 1. One student failed to replenish the boiling water in the boiling-water bath as the flask was being heated. At the end of the 6 min of heating, the boiling

    asked by Steve on November 7, 2016
  25. Physics

    A heat engine has the three step cycle shown above. Starting from point A, 1 L (liter) of ideal gas expands in the isobaric (constant pressure) process A to B at P = 2 atm. B to C is isovolumetric process at V = 5 L, and C to A is an isothermal (constant

    asked by Jason on May 7, 2010
  26. heat

    what cools the air in a household refrigerator? what cools the air in a household refrigerator? Inside the refrigerator, the evaporator absorbs heat and cools the inside. Outside, room air cools the condensor coils that are bring heat from the inside of

    asked by angela on August 19, 2005
  27. Math

    Roots Ok, what about roots? Roots of polynomials? Square roots? Cube roots? Terminology, notation, equations using them? Help us out here a little.

    asked by Rorshin on September 5, 2006
  28. english..

    Can someone help me change up the words? A positively charged drum has the image drawn on it with a laser. The areas touched by light become negatively charged. Positively charged toner particles are attracted to the negative areas on the drum. The drum

    asked by thez on February 16, 2015
  29. english II

    Errors in the use of punctuation marks - Comma the answer is a. A.What will you be when you grow up-an artist or a mathematician? B.To make a delicious hot chocolate drink, melt a square of unsweetened chocolate, stir in some sugar and milk, add a dollop

    asked by Shaquitta on November 24, 2009
  30. english II

    Errors in the use of punctuation marks - Comma the answer is d. A.What will you be when you grow up-an artist or a mathematician? B.To make a delicious hot chocolate drink, melt a square of unsweetened chocolate, stir in some sugar and milk, add a dollop

    asked by Shaquitta on November 24, 2009
  31. chemistry

    Ethanol ( C2H5OH) undergoes a reaction with oxygen gas in the air. Calculate the volume (l) of oxygen gas at 45 degrees celcius and mmHg that is required to react with 185 g ethanol. Then calculate the volume of air required to react with 185 g assuming

    asked by Anonymous on October 30, 2017
  32. Chemistry

    In the reaction: Protection of 1-Phenylethanol by 3,4-Dihydro-2H-pyran, 1-phenylethanol, 3,4-Dihydro-2H-pyran and anhydrous ether were added first and stirred in ice-water bath before acid catalyst p-toluenesulfonic acid monohydrate was added. The reaction

    asked by Alan on September 4, 2010
  33. grammar

    hey.. can u do 3 sentences for my homework.. put from direct to indirect speech.. 1)'I've got plan I and know we can killl the Ice-Man!' 2)'The show is minning overtime. Peter please, could you speed up?' 3)'Come on Steve, you can do it! Jump!'

    asked by Anonymous on March 25, 2014
  34. language arts

    true or false. 1. it is easy to walk across something impassable. 2. ice sheets floating on water are called floes. 3. land that is barren has many plants and animals. 4. a crevasse is a deep crack.

    asked by emily on March 29, 2013
  35. chemistry

    A buffer with a pH of 4.30 contains 0.25 M of sodium benzoate and 0.20 M of benzoic acid. What is the concentration of [H ] in the solution after the addition of 0.052 mol of HCl to a final volume of 1.5 L? I know that Ka = 6.3x10-5 do I need to use an ice

    asked by noel on April 11, 2015
  36. chemistry

    Calculate [acetate] of 0.057 mol/L solution of acetic acid of Ka = 1.76x10^-5 i know to find Ka it's: Ka= products/reactants so i tried doing an ICE table with the equation to be: CH3CO2 + H2O CH3COOH + H am i on the right track? if not...help please!

    asked by Kat on July 28, 2010
  37. Algebra

    How do I solve this? A plane flying the 3458-mi from New York City to London has a 50-MPH tailwind. The flight's point of no return is the point at which the flight time required to return to New York is the same as the time required to continue to London.

    asked by Lee on May 9, 2016
  38. physics

    The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials speed, or the square of the

    asked by tatiana on November 5, 2006
  39. Biology

    1. Homeostasis relates most directly to which of the following ideas? a. interacting systems b. stability c. evolution d. scale and structure I'm stuck between A and B 2. The physician Ronald Ross wanted to find the cause of malaria. Based on his

    asked by mysterychicken on January 22, 2010
  40. pre cal

    (1/3)LN27 + 2LNx = LN(2-x) i think i just need help getting started. I assume that your LN notation is log to base e. I will call it ln. (1/3)ln 27 = ln (27)^(1/3) = ln 3, (since 27^(1/3) is the cube root of 27). Therefore ln 3 + 2 ln x = ln (3 x^2) = ln

    asked by Marie on February 25, 2007
  41. Math

    a standard number cube is rolled 180 times. Predict how many times a 3 or 5 will be the result. 31 times 60 times 57 times 30 times I chose 31 times Is that correct i would appreciate your help

    asked by Awesome on May 13, 2015
  42. physics

    A copper plate has a hole cut in its center. When the plate is heated, the hole gets smaller. When heat is added to a system, the temperature must rise. When the pendulum of a grandfather clock is heated, the clock runs more slowly. Cold objects do not

    asked by anonymous on April 16, 2012
  43. Chemistry

    When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.2C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to

    asked by ChemGeek on May 15, 2011
  44. Science PHYSICS

    Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into

    asked by Alice on April 27, 2010
  45. maths

    prove that : 3^-3 * 6^2 * root 98 / 5^2 * cube root 1/25 * 15^-4/3 *3^1/3 is equal to 28 root 2

    asked by tuhituhi on March 30, 2013
  46. Chemistry

    a sample of an unknow metal exists as a perfect cube that meausres 0/78 in on a side and weighs 61.4 grams. what would be the mass, in grams, of a diff sample of this metal that has a volume of 25.0 cm^3

    asked by Helen on September 18, 2012
  47. math

    Each edge of the cube measures 24 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 6 inches. How many tiles will he need?

    asked by cat on February 11, 2016
  48. chemistry

    can u pls identify which has the greater activation energy. A cube of Fe reacting with 20mL, 1.0mol/L HCl or powdered Fe, having a the same mass, reacting with 20mL,1.0 mol/L HCl

    asked by loulou on May 16, 2011
  49. Calculus-Solved

    this is wrong. but can you explain how to correct it? thanks use differential of x^-1/3 to approximate solution to (1/cube root(7.952)) differential: df= -1/3(x^(-4/3)) * dx df= -1/48 * 0.0048 df= -0.001 0.500 - 0.001 = 0.499 but this is wrong.

    asked by Alaina on May 4, 2013
  50. math

    An integer is randomly chosen from the integers 1 through 100, inclusive. What is the probability that the chosen integer is a perfect square or a perfect cube, but not both? Express your answer as a common fraction.

    asked by jiskha on July 3, 2018
  51. Calculus

    The expression dy/dx = x*(cube root y) gives the slope at any point of the graph of the function f(x) where f(2) = 8. A. Write the equation of the tangent line to f(x) and any point (2,8). B. Write an expression for f(x) in terms of x. C. What is the

    asked by ashley on April 26, 2015
  52. Math

    A box contains 4 red cubes, 3 blue cubes, 2 green cubes, and 1 yellow cube. You pick two cubes at random, replacing each after you pick. Find the probability of each compound event.

    asked by Mary on May 2, 2012
  53. math

    a crystal in the shape of a cube is growing in a labatory. estimate the rate at which the surface area is changing with respect to the side length when the side length of the crystal is 3cm.

    asked by navroz on September 21, 2011
  54. Math

    25. A metal cube with an edge of one foot is melted into rectangular solid one-eighth of a foot in height. What is the area of the top of the top of the new solid. Please show work/explain A. 1/64 sq.ft. B. 1/8 sq.ft. C. 1/4 sq.ft. D. 4 sq.ft. E. 8 sq.ft.

    asked by Johnny on May 8, 2014
  55. Science-Urgent

    I did an experiment on a burning candle, and I need help with some of the questions. Thank you very much in return. Please no websites.--more information would be appreciated, thanks:-) I'll list everything of what we went through. Materials: -1 standard

    asked by Sara on April 6, 2010
  56. Algebra 1

    Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary

    asked by Caroline on April 27, 2014
  57. chemistry

    The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the

    asked by lisa on October 27, 2015
  58. analytical chemistry

    The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the

    asked by Anonymous on October 27, 2015
  59. Mathemaniacs

    If each unit cube has edges 3/4 foot long, what is the volume of the blue outlined prism? (I can't post links on here, so, if you know this question, please answer it!) A) 5 ft3 B) 8.4 ft3 C) 10 ft3 D) 15 ft3< my answer> can someone please check this over

    asked by Cassidy on May 13, 2019
  60. math

    A glass cylinder with a radius of 7cm has water up to a height of 9cm. A mental cube of 5 1/2cm edge is immersed in it completly.calculate the height by which the water rises in the cylinder.

    asked by Anonymous on May 6, 2019
  61. geometry

    a solid aluminum cube measuring 15 inches on a side is melted and rolled into an aluminum wire tat is 0.2 inches in diameter. what will be the length of this wire?

    asked by mary on January 17, 2012
  62. Math

    A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?

    asked by Dina on November 4, 2011
  63. math

    Mario rolled a number cube labeled 1-6 sixty times. In what percent of the rolls did Mario roll a number less than 4?a.5%,b.33%,c.50%,d.55% # #of x rolled 1 16 2 12 33/60 x/100 3 5 3300/60=55? 4 8 5 12 6 7

    asked by marilyn on May 19, 2016
  64. gse 122

    (1) y varies partly as D an partly as the cube root of D.when Y=6, D=27 an when Y=11,D=1/8.find Y when D=3. Correct to 2 decimal point. (2) using completing the square method find the root of the equation 8x+6x-5=0

    asked by kakjing pirbut moses on October 25, 2016
  65. math

    The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27

    asked by FluttershyK22 on April 29, 2016
  66. Math Check!

    Elizabeth has two identical number cubes. Both cubes have faces numbered 1 through 6. If Elizabeth rolls each cube once, what is the probability that the sum of the two numbers on the top faces will be 10? •1/36 •1/12 •1/10 •1/9

    asked by Agala on May 11, 2017
  67. Math

    A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?

    asked by Jeany on November 5, 2011
  68. physics

    The upper surface of a cube of gelatin, 5.5 cm on a side, is displaced 0.74 cm by a tangential force. If the shear modulus of the gelatin is 947 Pa, what is the magnitude of the tangential force?

    asked by Steve Young on March 29, 2013
  69. physics

    Assume that a small sugar cube has sides 1 cm long. If you had a box containing 1 mol of cubes and lined them up side by side, how long would the line be (1 mol = 6.02 x 10^23)?

    asked by Mark on September 7, 2012
  70. physics help

    The upper surface of a cube of gelatin, 6.9 cm on a side, is displaced 0.67 cm by a tangential force. If the shear modulus of the gelatin is 946 Pa, what is the magnitude of the tangential force?

    asked by zena on March 28, 2013
  71. Physics

    A piece of metal of volume 250 centimetre cube floats in water when 85 percent of its volume is under water.Calculate the upthrust on the metal. [pw=1.0gcm^-3]

    asked by George on January 8, 2017
  72. maths

    A glass cylinder with a radius 7 cm has water up to a height of 9 cm. A metal cube of 5 1/2 cm edge is immersed in ti completely. Calculate the height by which the water rises in the cylinder.

    asked by balkew on May 2, 2016
  73. Physics

    A wood cube 0.20m on each side has a density of 730kg/m3 and floats levelly in water. What mass has to be placed on top of the wood so that its top is just at the water level?

    asked by HELP!!!! on December 5, 2013
  74. Chemistry

    What is the total energy transfer(in KJ) when 10.00 pounds of water vapor at 110 degrees C becomes ice at 253K? Assume that the specific gravity of water = 1.00.

    asked by Tyler on April 28, 2011
  75. science question

    please check i think its B or D. Under which conditions are clouds formed from ice crystals? A.strong winds B.high altiude C.low humidity D.high pressure

    asked by matt on May 15, 2014
  76. physics

    Please help! it has to do with momentum A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they separate is .55 m/s

    asked by marissa! on January 12, 2012
  77. math

    An ice skater rotating around a vertical axis increases in angular velocityfrom 450degrees/s to 610degrees/s in 2.3 seconds. Find the angular acceleration

    asked by stew on November 4, 2009
  78. proofreading

    The sentence to be corrected is.. Last night an ice storm ringed in the evening, bringing winds that blowed all night. Wouldn't it be rung and blew?

    asked by Sam on January 9, 2009
  79. math

    a glass of ice tea cost two dollars. Refills cost 25 cents each. write the rule in function notation. is it F(x)=2+.25x? If it is wrong can you help

    asked by malik on January 20, 2009
  80. physics

    a block of ice released from rest at top of 400 m long ramp slides to the bottom in 2.20 seconds. what is the angle between the ramp and the horizontal

    asked by flay on January 13, 2013
  81. Science

    Under which conditions are clouds formed from ice crystals? A.strong winds B.high altitude (MY ANSWER) C.low humidity D.high pressure

    asked by LOVE on January 28, 2016
  82. To Breanne

    I responded to that chocolate milk/ice problem. Here is a link to it. http://www.jiskha.com/display.cgi?id=1357962576#1357962576.1358029768

    asked by DrBob222 on January 13, 2013
  83. Geometry

    A snowcone with a radius of 4 cm is sold in a cone-shaped paper cup with a height of 12 cm and an opening 6 cm wide. If all the ice melted in the cup, would it overflow?

    asked by anonymous on November 27, 2018
  84. physical science

    Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond. How can you move yourself to the edge of the pond? Explain what you would do and why it would work.

    asked by kjunior on June 22, 2011
  85. physics

    When water freezes, it expands about 8.60%. What would be the pressure increase inside your automobile engine block if the water in it froze? The bulk modulus of ice is 2.00 * 10^9 N/m2.

    asked by Anonymous on January 31, 2013
  86. chemistry

    Utilizing the concept of the second law of thermodynamics, explain why an ice skater requires less energy expenditure to cover the same distance as a roller skater. ?

    asked by Anonymous on March 11, 2011
  87. Economics

    All of the following are included in GDP EXCEPT the income from a garage sale. the value of a new car. the value of a new house. the sale of an ice cream cone. I'm pretty sure 2 & 3 aren't the answer. Can anyone please help me?

    asked by Alex on September 20, 2009
  88. Physic

    A hockey puck leaves a player's stick with a speed of 8.60 and slides 38.0 before coming to rest. Find the coefficient of friction between the puck and the ice.

    asked by Andrea on July 10, 2010
  89. physics

    A 32.0-kg penguin on frictionless ice holds onto the end of a horizontal spring with spring constant 250 N/m and oscillates back and forth. What is its period of oscillation?

    asked by Nolan on February 25, 2011
  90. Math

    There are 256 students in this outstanding 7th grade class. How many scoops of ice cream would have to be used in each cone in order to make a different cone for each person?

    asked by Tina on March 6, 2011
  91. chemistry

    1. hydrogen Zn 2. chlorine phase change 3. zinc N 4. lead physical change 5. breaking glass Pb 6. melting ice H 7. nitrogen Cl 8. copper Cu

    asked by sarah on June 13, 2011
  92. Visual Basic

    The rule of 72 is use to make a quick estiment of the time required for prices to double due to inflation. If the inflation rate is (r)percent, then the rule of 72 estimates that prices will double in 72/r years. For instance, at an inflation rate of 6

    asked by James Starr on March 27, 2011
  93. Chemistry

    A student measures the initial temperature of an object as 28.33oC and the final temperature as 62.35 oC. What is the change in temperature in units of Kelvin? An unknown metal is found to have a specific heat capactiy of 0.235. From this, calculate its

    asked by Tatiyana on October 17, 2017
  94. pre algebra

    Tell whether the events are independent or dependent. Then find the probability. You roll a 6 on a number cube. Then you roll again and roll a 2. Independent???

    asked by amy on May 30, 2012
  95. Algebra

    How does finding the square root [J ] of a number compare to fnding the cube root [3 J- ] of a number? Use the number 64 in your explanation.

    asked by BLOODWOLFPrincess+nurse on December 5, 2018
  96. Math

    Brittany has a gift box in the shape of a cube. Inside of the box measures 15 cm. What is the volume of the gift box.?

    asked by Alana on January 30, 2017
  97. math

    Brittany has a gift box in the shape of a cube.Each side of the box measures 15 cm. What is the volume of the gift box?

    asked by Anonymous on March 11, 2014
  98. physics

    Part 1) The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 50 cm down the plane if the

    asked by Hunter on October 9, 2013
  99. physical

    An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 22.3°C (295.45 K). Suppose the engine generates 13.5 hp (10.07 kW) of

    asked by itufizik on July 23, 2012
  100. physics

    An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 24.5°C (297.65 K). Suppose the engine generates 11.5 hp (8.58 kW) of power

    asked by Anonymous on November 5, 2014