1. chemistry

    in a freezer, 150g of water at 0degrees celcius is placed in an ice cube tray. how much energy, in kilocalories, must be removed to form ice cubes at 0 degrees celsius

    asked by bee on January 23, 2014
  2. physics

    0.1kg of ice initially at a temperature of -10 degrees Celsius is added to a cup with .5kg of water initially at 20 degrees Celsius. The water and ice are isolated thermally from their surroundings. The specific heat of ice is 2000 J/kgoC, the specific

    asked by Raquel on November 17, 2010
  3. Chemistry

    A 24.0 g sample of ice at -19.0°C is mixed with 118.0 g of water at 85.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/g°C, respectively, and the

    asked by Rachelle on November 28, 2008
  4. Chemistry

    The heat of combustion of bituminous coal is 2.5 x 10^4 J/g. What quantity of coal is required to produce the energy required to convert 100. Pounds of ice at 0.0 degrees Celsius to steam at 100.0 degrees Celsius? Is the answer 5.36 about right. I'm not

    asked by Lucy on January 6, 2015
  5. Science

    You have a block of ice with a mass of 6.12 . The volume of the water is 100L and the volume of water when the ice is in the water is 106.66L. I subtracted 100.00 and 106.66 to get 6.66L as the volume of the ice What I'm confused about is how to divide

    asked by Alyssa on February 23, 2015
  6. physics

    1. a) using heat exchange and conservation of thermal energy determine the specific latent heat of fusion for ice. b) determine the percentage error The data we determined was: Hot water: mass - 0.1kg initial temp-87C final temp - 56 C Melted ice: mass -

    asked by Amy on April 11, 2017
  7. Physical Science

    The sun's energy melts part of a glacier of ice at 0 degrees Celsius. The sun supplies 880 kilocalories to a big glacier of ice at 0 degrees Celsius. How many kilograms of ice will melt into liquid water at 0 degrees Celsius?

    asked by Anonymous on November 11, 2014
  8. Physical Science

    The sun's energy melts part of a glacier of ice at 0 degrees Celsius. The sun supplies 880 kilocalories to a big glacier of ice at 0 degrees Celsius. How many kilograms of ice will melt into liquid water at 0 degrees Celsius?

    asked by Bonni on November 10, 2014
  9. physics

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

    asked by joan on February 7, 2012
  10. 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?

    asked by Caitlin on March 6, 2012
  11. Chemistry

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

    asked by Ally on February 23, 2010
  12. Chemistry

    Icebergs in the North Atlantic present hazards to shipping, causing the length of shipping routes to increase by about 30 percent during the iceberg season. Attempts to destroy icebergs include planting explosives, bombing, torpedoing, shelling, ramming,

    asked by Lindsay on May 15, 2007
  13. college

    A quantity of ice at 0°C is added to 65.0 g of water in a glass at 55°C. After the ice melted, the temperature of the water in the glass was 15°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18

    asked by Anonymous on July 14, 2010
  14. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy on August 24, 2013
  15. Chemistry

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

    asked by Cat on October 20, 2010
  16. Chemistry

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

    asked by Mari on February 23, 2010
  17. Chemistry

    The heat of combustion of bituminous coal is 2.5 x 10^4 J/g. What quantity of coal is required to produce the energy required to convert 100. Pounds of ice at 0.0 degrees Celsius to steam at 100.0 degrees Celsius?

    asked by Lucy on January 5, 2015
  18. hvac

    calculate the amount of heat required to change 5 pounds of ice at 32 degrees to water 32 degrees

    asked by miguel on October 17, 2011
  19. Chemistry

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

    asked by Siddharth on May 15, 2016
  20. chemistry

    How many joules are required to convert 16.5 g of ice at 0.0°C to liquid water at 32.0°C? The heat of fusion of water is 334 J/g.

    asked by Cheryl on May 4, 2011
  21. Math

    I have to do this project which is worth 50% of my grade and part of the project is a question asking, "Which would be the best design for an ice cube?" The choices are a cube, a sphere, or a cylinder. I need to explain why I think which of them are best.

    asked by ConnexusStudent on January 13, 2016
  22. math

    a 150g-iron ball at 95 Celsius is dropped into a cavity in a block of ice.the cavity is then found to contain 21 g of water . CALCULATE THE HEAT OF FUSION OF ICE (The specific heat capacity of iron is 0.11 cal/g x C degrees.)

    asked by Ken on January 27, 2015
  23. Chemistry

    What is the heat required in Joules to raise the temperature of 100.0g ice at -20 degrees C to steam at 120 degrees C?

    asked by Sue on May 14, 2011
  24. science

    How many joules of heat is required to change 40.0g of ice at 0degrees Celsius to liquid water at 0 degrees Celsius.

    asked by hilda on May 19, 2015
  25. Physics Help

    A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C and the temperature of the air above is 11°C. What is the rate of heat transfer through the ice, in kW?

    asked by Alexandra on October 28, 2014
  26. Physics

    A circular pond of radius 12 m has a layer of ice 0.25 m thick. On a spring day, the temperature of the water below the ice is 4.0°C and the temperature of the air above is 11°C. What is the rate of heat transfer through the ice, in kW?

    asked by Alexandra on October 27, 2014
  27. calculus

    The volume of a melting cube is decreasing at a rate of 10cm^3/min. How fast is the surface area of the ice cube decreasing when the length of an edge is 30 cm?

    asked by john on October 28, 2010
  28. chemistry

    What equation will you use to calculate the heat of fusion of ice? The specific heat of water is 4.184 J/(gx°C), and the heat capacity of your calorimeter is 1.0x10^1 J/°C.

    asked by Stephanie on October 1, 2013
  29. Physics

    A sealed box containing a chunk of ice is made of 2cm thick wood, a good thermal insulator. The air outside the box is warm. It takes the ice one hour to melt. If I had put 2cm of aluminum (a good thermal conductor) around the outside of the box, in

    asked by StressedStudent on November 29, 2012
  30. chem

    Calculate the enthalpy change for the conversion of 36.04 g of ice at -23.0 °C to water at 75.0 °C under a constant pressure of 1 atm. The specific heats of ice and water are 2.09 J/(°C . g ) and 4.18 J/(°C . g ) respectively. The heat of fusion of ice

    asked by fez on May 14, 2016
  31. chm

    You are heating crushed ice and a small amount of water and monitoring the temperature of the icy slurry until it reaches the point were the ice is nearly melted. How does the temperature change during this process? The temperature drops as the ice absorbs

    asked by jj on March 3, 2013
  32. science

    what would be the final amount of water in a mixture when 2kg ice at -20 degrees celsius is mixed with 5kg water at 20 degrees celsius? Given:specific heat capacity of ice=0.5/gram degree celsius,specific heat capacity of water=1cal/gram degree

    asked by pramit on May 14, 2010
  33. college chemistry

    Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)--> CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating

    asked by Eddie on November 9, 2009
  34. Chemistry - Heat of Fusion

    When water is frozen into ice cubes in the freezer, where does the released heat go? I think it just goes into the air in the freezer, nowhere special. Because won't the heat become cold air then? That's right. The heat just adds to the heat load that the

    asked by M and V on April 24, 2007
  35. Chemistry

    How many joules of energy are necessary to melt 46.0 grams of ice?

    asked by Cristine on November 23, 2010
  36. chemistry

    what is the energy needed to melt 5.62 moes of ice in 0'C

    asked by Anonymous on March 23, 2010
  37. block of ice

    how long does it take for a 90 stone block of ice to melt

    asked by theresa on December 9, 2009
  38. chemistry

    which is the best salt to use to melt ice without any side effects

    asked by reham on March 27, 2012
  39. chemistry

    which is the best salt to use to melt ice without any side effects

    asked by reham on March 27, 2012
  40. Science

    Ice at 0 degree celcuis is added to 200g of water initially at 70 degree celcuis in a vacuum flask.When 50g of ice has been added and has all melted the temperature of the flask and contents is 40 degree celcuis.When a further 80g of ice has been added and

    asked by David on January 8, 2016
  41. chemistry

    How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09 .

    asked by hannah on July 10, 2011
  42. chemistry

    How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09 .

    asked by hannah on July 10, 2011
  43. chemistry

    How much heat (in g ) is evolved in converting 1.00 of steam at 145.0 to ice at -45.0? The heat capacity of steam is 2.01 and of ice is 2.09 .

    asked by sara on August 27, 2010
  44. Chemistry

    Construct a cooling curve (looks the same as a heating curve) for a substance with a molar mass of 200 that has a gas phase specific heat capacity of 2.9J/g K, a boiling point of 525 K,a liquid phase specific heat capacity of 3.24 J/g K, a freezing point

    asked by Neveah on February 7, 2016
  45. physics

    A 0.200 kg block of ice at 15ºC is placed into a pan on a stove, heated to a liquid, and then to vapour with a final temperature of 115ºC. Calculate the total amount of heat required for this process.

    asked by shan on June 3, 2012
  46. Science

    How much heat is released when 75.0 g of steam at 100.0 c is cooled to ice at -15.0c? I'm using 6.01 kl/mol for fusion of water, 75.4 j/mol-c for heat capacity of water and 36.4 j/mol- c for molar heat capacity of ice.

    asked by Kurt on October 24, 2016
  47. CHEMISTRY

    HOW MANY GRAMS OF ICE AT -5.2 DEGREES CELSIUS CAN BE COMPLETELY CONVERTED TO LIQUID AT 6.4 CELSIUS DEGREES IF THE AVAILABLE HEAT FOR THE PROCESS IS 441800kj,FOR ICE SPECIFIC HEAT IS 2.01

    asked by LEBOHANG on April 1, 2010
  48. chemistry

    The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, and the specific heat of water is 4.184 J/deg/g. How many grams of ice at 0 ° could be converted to steam at 100 °C by 9,946 Joules of heat?

    asked by Dakota on November 15, 2013
  49. Physics

    A person makes a quantity of iced tea by mixing 668 g of hot tea (essentially water) with an equal mass of ice at its melting point. If the initial hot tea is at a temperature of 86∘C, what are the (a) final temperature of the ice tea (in ∘C) and (b)

    asked by Gabriel on November 14, 2016
  50. Physical Science

    Hello, Can you tell me if I have the correct answer? Thank You How much heat is required to convert 0.3 kilogram of ice at 0 degrees celsius to water at the same temperature? My answer: 100,375 J

    asked by Mandi on February 7, 2008
  51. Physics

    How much heat is required to convert 175 g of ice at -2°C to water at 2°C? I have no idea how to solve this. Nothing I've found in the book or on-line is helping. Can someone point me to how to solve? Thank you

    asked by Anna on July 6, 2016
  52. Physics- Help!!

    1. What is the heat required in kilocalories to convert 2 kg of ice at 0°C completely into steam at 100°C? (I thought it was 2000 kilo cals but I think I'm wrong??) a. 80 Calories b. 1440 Calories c. 4186 Calories d. 540 Calories 2. A gaseous refrigerant

    asked by Elena on December 20, 2015
  53. physics

    A 55.0 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 318 g of water, initially at 18.2°C. What is the final temperature of the water, if no heat is transferred to the Styrofoam or the surroundings?

    asked by JOHN on April 9, 2012
  54. chemistry

    2.) How much heat must be absorbed at 1357 K to melt a bar of copper (80 * 10 * 12 cm) assume d = 8.93 g/cm^3. The normal boiling point is 1357 K, and heat of fusion is 13.05 KJ/mol.

    asked by Andrew on February 15, 2010
  55. chem

    calories need to melt 60.0 of ice at 0 and to warm the liquid to 65 (two steps)

    asked by miguel on September 12, 2011
  56. science

    Which of the following is created when the ice of a comet starts to melt into gases?

    asked by cheyenne on June 22, 2017
  57. 6th grade

    At 36 degrees, how long will it take for a sheet of ice 5' x 5' 6" deep to melt?

    asked by Jose on December 16, 2009
  58. Chemistry

    How much energy in joules does it require to melt 10.00 moles of ice

    asked by Kolby on January 20, 2011
  59. college chemitsry

    calculate the calories needed at 0 C to melt 200. g of ice

    asked by Amanda on September 8, 2010
  60. physics

    A 49-g bullet traveling at 290m/s penetrates a block of ice at 0∘C and comes to rest within the ice.Assuming that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision? The heat of fusion of water

    asked by Anonymous on June 4, 2014
  61. Science

    Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher

    asked by Sabrina on February 5, 2013
  62. Chemistry

    A quantity of ice at 0.0°C was added to 25.6 g of water at 21.0°C to give water at 0.0°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g · °C). I don't understand how to set this problem up (what

    asked by Ryan on October 8, 2008
  63. Chemistry

    A quantity of ice at 0.0°C was added to 25.6 g of water at 21.0°C to give water at 0.0°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g · °C). I don't understand how to set this problem up (what

    asked by Ryan on October 8, 2008
  64. Physical science

    A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.? B) once its at 0 degrees, how many more calories are needed to melt it? C) once melted, how many are needed to raise it to 100 degrees C.? need answers

    asked by Crystal on May 1, 2011
  65. Chemistry

    What quantity of heat is necessary to convert 50.0 g of ice at 0.0 C into steam 100,0 C? The heat of fusion is 80.0 cal/g, the heat of vaporization is 540 cal/g, and the specific heat of water is 1.00 cal/gC.

    asked by Jill on March 27, 2012
  66. Science

    Darrel conducted an experiment with the following procedure: Fill two cups with ice water. Place an uninflated balloon snuggly onto your left index finger. Blow a little air into an identical ballon, and place it onto your right index finger. Place both

    asked by Susan on February 4, 2019
  67. chimistry

    The molar heat of fusion of lead (Pb) is 1.140 kcal/mol. How much heat must be added to 97.0 g of solid lead at its melting point in order for it to completely melt? A 1.44 kJ B 10.18 kJ C 12.48 kJ D 25.04 kJ

    asked by joey on June 24, 2015
  68. chemistry

    An ice cube weighing 22.7 g at a temperature of 0.0°C is added to 125 mL of water at 27.1°C in an insulated container. What will be the final temperature after the ice has melted?

    asked by Bob on February 22, 2015
  69. Physics

    Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will

    asked by Tracy on March 6, 2012
  70. Physics-is this correct?

    Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will

    asked by Tracy on March 11, 2012
  71. Physics

    A 0.0500 kg ice cube at -30.0◦C is placed in 0.400 kg of 35.0◦C water in a very well insulated container. What is the final temperature? (Note: how can you check if all the ice melts at equilibrium temperature?)

    asked by Anonymous on September 13, 2015
  72. Physics

    A 0.0500 kg ice cube at -30.0◦C is placed in 0.400 kg of 35.0◦C water in a very well insulated container. What is the final temperature? (Note: how can you check if all the ice melts at equilibrium temperature?)

    asked by Anonymous on September 13, 2015
  73. Chemistry

    48g of ice at its melting point is heated with steam at its condensation point. The final temperature of the system is 50 degree Celsius. How much steam was used to melt the ice? q=(48g)(1mol/18g)(50-0C)(0.97kcal/mol*C) = 129kcal Not sure where to go from

    asked by Sarah L. on March 14, 2013
  74. chemistry

    how long would it take a 250# block of ice to melt in a room of 68 deg F

    asked by joyce on December 17, 2015
  75. physics

    0.50 L of water at 16°C is poured into an aluminum ice cube tray of mass 0.250 kg at the same temperature. How much energy must be removed from this system by the refrigerator to turn the water into ice at -8°C?

    asked by jan on February 3, 2016
  76. Physics

    Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will

    asked by Tracy on March 5, 2012
  77. Physics

    Lake Erie contains about 4.8 x 10^17 grams of fresh water. Assume that the lake has frozen solid and that the ice starts off at -3 C. How much energy would the lake need to absorb from the Sun to cause it to evaporate completely? Each gram of water will

    asked by Tracy on March 12, 2012
  78. physics

    Why does water freezing not violate the second law of thermodynamics? (Hint: Think in terms of a system) The entropy of the water decreases when it freezes and goes into a more ordered crystaline state. However, heat is released to the environment in the

    asked by anonymous on February 19, 2007
  79. Chemistry

    A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g * degrees C) q = mass x specific heat x

    asked by Lauren on February 4, 2008
  80. Chem

    Calculate the final temperature when a 16.2 gram sample of ice at 0oC is placed into a styrofoam cup containing 128 grams of water at 79.0 oC. Assume that there is no loss or gain of heat from the surroundings. Heat of fusion of ice = 333 Jg-1 Specific

    asked by Chase on March 23, 2012
  81. Physics

    A solid and a hollow ball, each with a mass of 1 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 35 degrees. An ice cube of the same mass slides without friction down the same ramp. Which ball will reach the

    asked by Temi on October 18, 2011
  82. Chemistry

    1. A bottle of juice at room temperature is placed in a bucket of ice inside a box. The box, bottle, and bucket of ice represent a closed system. Which of the following statements is true? (2.0 points) (Points : 2) Heat flows from the ice to the juice

    asked by jeje on March 14, 2011
  83. Chemistry

    Which of the following reactions is exothermic? 1. Na(s) --> Na(g) 2. Na(g) --> Na+ + e- 3. Cl2(g) --> 2Cl(g) 4. Cl(g) + e- --> Cl-1 My guess is 4, but I'm not sure Here is what you do. For 1, do we think it will take energy to change Na as a solid to Na

    asked by Fiona on April 30, 2007
  84. Chemistry

    What is the final temperature and state of water when 8.50 kJ of energy is added to 10.0 g of ice at 0 degree Celsius. Helpful information: Cs (ice)= 2.1 J/g•C Heat of vaporization (water)= 40.7kJ/mol Ca (water)= 4.184 J/g•C Heat of fusion (water)=

    asked by Neveah on February 12, 2016
  85. 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 on June 27, 2013
  86. Chemistry- Dr. Bob222

    What is the final temperature and state of water when 8.50 kJ of energy is added to 10.0 g of ice at 0 degree Celsius. Helpful information: Cs (ice)= 2.1 J/g•C Heat of vaporization (water)= 40.7kJ/mol Ca (water)= 4.184 J/g•C Heat of fusion (water)=

    asked by Anonymous on February 13, 2016
  87. lab+chem.

    Hey can u guys help on this lab, I don't get it. I have to figure out the: prediction, Analysis, and evaluation. Problem: what is the molar enthalpy of ice? Evidence: mass of calorimeter: 3.76g mass of calorimeter+ water: 103.26g mass of calorimeter+

    asked by David on August 5, 2006
  88. Chem; States of Matter

    To an insulated container with 100.0 g H2O (l) at 20.0 degrees C, 175 g steam at 100.0 degrees C and 1.65 kg of ice at 0.0 degrees C are added. a) What mass of ice remains unmelted after equilibrium is reached? b) what additional mass of steam should be

    asked by K on February 11, 2014
  89. Science

    Michael dropped a 1 inch cube of wood and a 1 inch cube of laed into an aquarium filled with water.The cube of wood floated and the cube of lead sunk quicklu to the bottom. The cube wood floated because it A.is less dense than the cube of lead B.weighs

    asked by Aizon on April 17, 2012
  90. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy on August 24, 2013
  91. Physics

    A Styrofoam bucket of negligible mass contains 1.75 kg of water and 0.450 kg of ice. More ice, from a refrigerator at -15.0∘C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket is

    asked by Jen on February 1, 2016
  92. Physics

    A Styrofoam bucket of negligible mass contains 1.75 kg of water and 0.450 kg of ice. More ice, from a refrigerator at -15.0 ∘C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket is

    asked by Marthin on January 17, 2018
  93. physics

    Find the mass of 0°C ice that 10g of 100 °C steam will completely melt

    asked by Kate on February 26, 2014
  94. chemistry

    how many joules are needed to completely melt 25 grams of ice at 0 degree celcius?

    asked by b on December 6, 2015
  95. Physics help!!

    A Styrofoam bucket of negligible mass contains 1.60 kg of water and 0.425 kg of ice. More ice, from a refrigerator at -14.8 degree C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket

    asked by Joey on April 16, 2012
  96. Physics help!!

    A Styrofoam bucket of negligible mass contains 1.60 kg of water and 0.425 kg of ice. More ice, from a refrigerator at -14.8 degree C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket

    asked by Joey on April 16, 2012
  97. Chemistry

    Given that the specific heat capacities of ice and steam are 2.06 J/g degrees C and 2.03 J/g degrees C, respectively, calculate the total quantity of heat evolved when 10.0 g of steam at 200 degrees C is condensed, cooled, and frozen to ice at -50 degrees

    asked by Joe Schmo on April 27, 2011
  98. Chemistry

    You take 2 liters of water at 20 degrees Celsius and remove heat at 200W from it for 5 min. What is the temperature and state of the water after the experiment? Some properties of water: Heat of fusion: 333.55 kJ/kg, Heat of vaporization: 2257 kJ/kg, Heat

    asked by Eddie on December 6, 2010
  99. THERMOCHEMISTRY

    An ice hotel that is made of 410 metric tons of ice and 12200 metric tons of snow is being melted. The company is going to siphon the melted water into nearby streams. The company is using large industrial sized acethylene to do the job. Your job is to

    asked by JAMES on February 21, 2012
  100. Physics

    The latent heat of fusion of alcohol is 50 kcal/kg and its melting point is -54oC. It has a specific heat of 0.60 in its liquid state. Calculate the energy needed to melt 2.0 kg of solid alcohol at -54o and raise it to a temperature of -4°C.

    asked by Isis on June 18, 2013