1. science

    1. Which of the following is an example of matter? A. leaves

    asked by bob09smart on May 3, 2019
  2. physics

    how much heat is required to vaporize 7 grams of ice initially at 0 degrees celsius when the latent fusion of ice is 80 cal/g, the vaporization of water is 540 cal/g, and the specific heat of water is 1 cal/(g x C)?

    asked by elisabeth on February 19, 2010
  3. Math

    Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volune? why? (I need help on this)

    asked by No on March 19, 2018
  4. physical science

    hermal conductors don’t have to be hot to transfer heat. According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with.

    asked by sidney on October 21, 2015
  5. chemistry

    The question is how many kilojoules are required to melt 24g of ice at 100 degrees celsius? Can you please correct me if im wrong. ( Which I'll probably will be ) I did: 24 x 333= 800kj

    asked by evelyn on May 20, 2010
  6. physics

    What is the required resistance of an immersion heater that will melt 6.39 kg of ice at 0°C in 36 min while operating at 110 V? im not too sure how to do this because delta_T=0. With the equations im using, i get 0 but its not the answer and im not quite

    asked by Mitch on May 19, 2010
  7. Chemistry

    Calculate the number of joules required to melt 57.4g of benzene at 5.5 degrees celsius? The heat of fusion for benzene is 9.87 KJ/mol and specific heat for liquid benzene is 1.63 J/g*deg)

    asked by Jake on February 19, 2010
  8. Chemistry

    Consider a 67-g chunk of ice (∆Hfus = 6.0 kkJ/mol) in a beaker immersed in a water bath. To produce just enough heat to melt the ice, how many moles of solid NaOH (∆Hsoln = -445.1 kJ/mol) must you dissolve in the water bath? Please show all work.

    asked by Stacie on June 19, 2013
  9. Chemistry - Heat of Fusion of Ice

    Conclusion question(s) from a lab we did to find the heat of fusion of ice: Does the value obtained for the molar heat of fusion depend on the volume of water used? Does it depend on the mass of ice melted? Does it depend on the final temperature of the

    asked by J.M. on October 1, 2006
  10. Chemistry

    A 2.75 kg block of ice is heated until it completely melts. It is then heated again until it completely changes to water vapor. Is more energy required to melt the ice or to vaporize the liquid water.

    asked by Morgan on January 29, 2015
  11. physics

    Given: latent heat of fusion of water 3.33x10^5 J/kg. A 147 g cube of ice at 0 degress C is dropped into 1.3 kg of water that was originally at 79 degrees C. What is the final temperature of the water after the ice melts.

    asked by Ericka on December 8, 2009
  12. Physics

    A 123 g cube of ice at 0◦C is dropped into 1.9 kg of water that was originally at 81◦C. What is the final temperature of the water after after the ice melts? The latent heat of fusion of water is 3.33 × 105 J/kg . Answer in units of ◦C

    asked by Tiffany on January 30, 2013
  13. Astronomy

    Io gets most of its heat flow from tidal pulling and pushing as it orbits Jupiter. Europa also orbits Jupiter and gets quite a bit of tidal pulling. The heat flow on Europa is around 100 times less than that on Io. The latent heat of melting from solid ice

    asked by Ashley on April 9, 2009
  14. College Physics

    Dry Ice. At standard atmospheric pressure, the solid form of carbon dioxide called “dry ice” undergoes a phase change not to a liquid but straight to a gas. This process is called sublimation, and like other phase transitions heat energy is required.

    asked by Anon on November 30, 2011
  15. Physics

    A 6-g ice cube at −8°C is dropped into 70 g of water at 31°C. (a) After enough time has passed to allow the ice cube and water to come into equilibrium, what is the temperature of the water? (b) If a second ice cube is added, what will the temperature

    asked by Vladimir on July 20, 2012
  16. physics

    A 46 g ice cube at 0◦C is placed in 988 g of water at 90◦C. What is the final temperature of the mixture? The specific heat of water is 4186 J/kg · ◦C and its latent heat of fusion is 3.33 × 105 J/kg . Answer in units of ◦C

    asked by M&M on July 8, 2013
  17. Physics

    A 43 g ice cube at 0 C is placed in 882 g of water at 81 C. What is the final temperature of the mixture? The specific heat of water is 4186 J/kg · C and its latent heat of fusion is 3.33 × 105 J/kg . Answer in units of C

    asked by dallas on April 23, 2013
  18. AP CHEM

    An ice cube tray contains enough water at 22.0 C to make 18 ice cubes that each have a mass of 30.0g. The tray is placed in a freezer that uses CF2CL2 as a refridgerant. The heat of vap of CF2CL2 is 158 J/g. What mass of CF@CL2 must be vaporized in the

    asked by Jake on January 2, 2008
  19. PLEASE HELP

    when an ice cube would still transfer heat to another object it is in contact with.

    asked by sidney on October 21, 2015
  20. Physics

    How much heat is required to convert solid ice with a mass of 875 g and at a temperature of -11.5 °C to liquid water at a temperature of 52.0 °C? (The specific heat of ice is cice = 2100 J/kgK, the specific heat of water is cwater = 4186.8 J/kgK, and the

    asked by Karly on April 18, 2015
  21. Math

    A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is

    asked by Lucas on April 28, 2014
  22. physics

    How much total heat is required to heat 3316 g of ice at -16.12 oC to all steam at a temperature of 128.08 oC? how do you carry out the five step process?

    asked by dESHA on June 5, 2010
  23. chemistry

    1. Given that 50 grams of ice is heated at -20.0 °C to steam at 135.0 °C. i. Show the graph of the changes from ice to steam ii. Calculate the energy needed to change the ice to steam Please use these values: Heat of fusion = 334.16 J g¯1 Heat of

    asked by bliss on March 9, 2016
  24. physics

    how many gram of ice at 0 c can be melted by the heat released when one gram of steam condense to water at 100 c check my answer please and you deman i am sorry by accident i post it the previous question solution Qcold=-Qhot MLf(ice)=-MlV(water) Mice =

    asked by Mohanad on April 27, 2014
  25. college chemistry

    How much heat is needed to melt 50.0g of ice at 0 degree celcius and then heat the water to 25 degree celcius?

    asked by christine on November 2, 2008
  26. Physical Science

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

    asked by Confused 1 on January 28, 2013
  27. Chemistry

    Calculate the amount of heat, in kJ, needed to convert 30.0 g of ice at -5.2 oC to liquid water at 58 oC. Specific heat of ice = 2.10 J/(g oC); heat of fusion of ice = 334 J/g; Specific heat of water = 4.18 J/(g oC)

    asked by Mindy on July 21, 2015
  28. physics

    An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

    asked by mar13 on December 4, 2011
  29. physics

    An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

    asked by mar13 on December 4, 2011
  30. Physics

    5) An insulated Thermos contains 190 cm3 of hot coffee at 79.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

    asked by john on November 14, 2010
  31. Physics

    The question is: "A block of ice at 0oC is dropped from a height that causes it to completely melt upon impact. Assume that there is no air resistance and that all the energy goes into melting the ice. Show that the height necessary for this to occur is at

    asked by Ceres on September 23, 2009
  32. Physics

    how much work is required to lift a 98-N block of ice if A) it is lifted a vertical distance of 5-m.? B) you push the same block of ice up a 7-m long ramp using in acompare to the work required in b.? C) How does the work required in A compare to the work

    asked by Tyler on November 7, 2010
  33. Chemistry

    Compare the amount of heat required to vaporize a 200.-gram sample of H20(L) at its boiling point to the amount of heat required to melt a 200.-gram sample ofH20(s) at its melting point.

    asked by danny123 on October 9, 2010
  34. Physics

    (a) How much heat in kcal must be provided for a 0.853 kg block of lead to raise the temperature of 0.015 kg block of ice from -5ºC to 0ºC? (b) How much heat in kcal must be provided for a 0.853 kg block of lead to melt a 0.015 kg block of ice from at

    asked by Hannah on February 5, 2012
  35. Chemistry

    Calculate (in calories) the amount of heat needed to melt 96g of ice at -24 degrees C to water at 28 degrees C.

    asked by Lynn on January 15, 2014
  36. Chemistry

    Calculate the heat released when 42.0 g of water at 35.0 degrees Celsius is converted to ice at -5.0 degrees Celsius. The specific heat of ice is 2.03 J/(g C), the molar heat of fusion of ice is 6010 J/mol, and the specific heat of water is 4.18 J/(g C)

    asked by Kiana on April 22, 2016
  37. Chemistry

    When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 11.0 oz drink from 75 degree Fahrenheit to 37 degree Fahrenheit, if the heat capacity of the drink is 4.18 J/g degree celsius ? (Assume that the heat transfer is 100 %

    asked by Al on February 5, 2010
  38. physics

    What is the final equilibrium temperature when 40.0 grams of ice at 0°C is mixed with 5.00 grams of steam at 120°C? The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg °C,

    asked by athirah on March 5, 2016
  39. Chemistry

    Some properties of aluminum are summarized in the following list. normal melting point 658°C heat of fusion 0.395 kJ/g normal boiling point 2467°C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/g°C (a) Calculate the quantity of

    asked by Charles on May 1, 2010
  40. chemistry

    Some properties of aluminum are summarized in the following list. normal melting point 658°C heat of fusion 0.395 kJ/g normal boiling point 2467°C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/g°C (a) Calculate the quantity of

    asked by Jake on May 1, 2010
  41. chemistry

    How many kilojoules are required to melt 15g of ice at 0 degrees C, and raise the temperature of the liquid that forms to 85 degrees C?

    asked by Todd on September 19, 2016
  42. Physics

    A 35-g block of ice at -14°C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0°C. When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J(kg K) and the

    asked by Justin on December 5, 2015
  43. chemistry

    Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kj/mol. How much heat in kj is required to melt 137g of ethyl alcohol.

    asked by Kim on June 21, 2010
  44. Math

    a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

    asked by Anastasia on April 13, 2016
  45. Chemistry

    Consider the reaction of Lithium with water: 2 Li(s) + 2H2O(l) ----> 2 LiOH(aq) + H2(g) The delta H of the reaction is -160 KJ The enthalpy of fusion of H2O is 6.0 kJ/mol The specific heat capacity of H2O(l) is 4.18 J/gC When 10 grams of Li(s) is dropped

    asked by Vinit on October 27, 2015
  46. chemistry

    how much heat dows a 23.0g ice cube absorb as its temp increases from -17.4deg C to 0.0deg C?

    asked by allie on April 29, 2010
  47. chemistry

    Calculate the enthalpy change when 50. g of ice at -30.0 °C is heated to completely melt to liquid water at 0.0°C. (The heat of fusion for water is 333 J/g.)

    asked by Robert on October 23, 2007
  48. Physics

    A 95.1-g ice cube is initially at 0.0°C. (a) Find the change in entropy of the cube after it melts completely at 0.0°C. Hint: The latent heat of fusion for water is 3.33 105 J/kg. answer in J/kg (b) What is the change in entropy of the environment in

    asked by Sam on November 26, 2012
  49. Chemistry (really need help)

    so I have posted this before but this is with some wrok.. Heres the question... When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 12.0 fluid ounce drink from 75°F to 35°F, if the heat capacity of the drink is 4.18 J/g·°C?

    asked by Sarah on September 16, 2010
  50. chemistry

    How much heat is required to heat 0.1 g of ice at −30 C to steam at 100 C? Use the approximate values below for your calculation. cice = 2 J/g · C csteam = 2 J/g · C cwater = 4 J/g · C Hvap = 2, 260 J/g Hfus = 340 J/g

    asked by please help ! on March 1, 2012
  51. chem

    How much heat is required to heat 0.1 g of ice at −30 C to steam at 100 C? Use the approximate values below for your calculation. cice = 2 J/g · C csteam = 2 J/g · C cwater = 4 J/g · C Hvap = 2, 260 J/g Hfus = 340 J/g

    asked by please help ! on March 1, 2012
  52. Physics

    A cube of ice is taken from the freezer at -9.0°C and placed in a 71-g aluminum calorimeter filled with 261g of water at room temperature of 20.0°C. The final situation is observed to be all water at 13.4°C. What was the mass of the ice cube (in grams)?

    asked by Francis on April 4, 2017
  53. physics

    A cube of ice is take from the freezer at -8.5C and placed in a 95g calorimeter aluminum cup containing 310g of water at 20degC. The final situation is observed to be all water at 17degC. What was the mass of the ice cube?

    asked by Mark on April 24, 2011
  54. phy

    A cube of ice is taken from the freezer at -7.5°C and placed in a 101 g aluminum calorimeter filled with 282 g of water at room temperature of 20°C. The final situation is observed to be all water at 16°C. What was the mass of the ice cube?

    asked by ami on December 2, 2010
  55. math

    Olga knows that, if she leaves a tray of ice cubes on the counter all night,they are going to melt.Which of the following best describes the probability that the ice cubes will melt if they are left on Olga's kitchen counter all night? 0,0.1,1 or 100....is

    asked by Lawanda on January 21, 2015
  56. physics

    A heat transfer of 8.7 multiplied by 105 J is required to convert a block of ice at -12°C to water at 12°C. What was the mass of the block of ice?

    asked by lyd on November 22, 2008
  57. Science

    CAN YOU CHECK MY ANSWERS PLZZ 1. Which of the following is an example of matter? A Leaves B Shadows*** C Light from the sun D Sound 2. Which of the following is an example of a chemical property of matter? A Ability to melt B Ability to freeze C Ability to

    asked by panda girl on March 27, 2019
  58. Chemistry

    Calculate the enthalpy change when 45 g of ice at -40.0 oC is heated to completely melt to liquid water at 0.0oC. (The heat of fusion for water is 333 J/g.)

    asked by Brittney on April 5, 2013
  59. Enthalpy of a Phase Change

    How many grams of ice at -20.1C can be completely converted to liquid at 9.9C if the available heat for this process is 4.58×103 kJ? For ice, use a specific heat of 2.01 J/(g*C) and Heat of Fusion is = 6.01 kJ/mol.

    asked by Wessells on November 8, 2009
  60. Math

    Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? Why? I really don't understand this. Can someone explain it to me?

    asked by Gabi on March 9, 2016
  61. physic

    A 0.20 kg ice cube at 0.0° C has sufficient heat added to it to cause total melting, and the resulting water is heated to70deg.Cel. > How much heat is added? (For water Lf=334kj/kg > andLv=2257kj/kg >

    asked by kristin on July 24, 2010
  62. physics

    The specific heat capacity of ice is about 0.5 cal/g degree C A)Supposing that it remains at that value all the way to absolute zero, calculate the number of calories it would take to change a 0.50g ice cube at absolute zero (-273 degree C}) to 0.50 g of

    asked by christy on April 3, 2012
  63. Calculus

    An ice cube is melting such that the side of the cube is decreasing at the rate of 1/4 t^2 cm / min. It is given that the side of the cube is 8cm at the start of the experiment. Calculate the length of the side of the cube when t = 4? ( answer 2 2/3 cm)

    asked by Kelvin on October 22, 2011
  64. Chemisty

    In an experiment, 23.0 g of ice at –25°C is converted into steam with a temperature of 124°C. How much heat is required for the process? The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06 J/g • °C; Cp(water) =

    asked by Stephen on April 8, 2010
  65. PLEASE HELP ME IN THIS PHYSICS PROBLEM

    A heat transfer of 9.5 x 10^5 J is required to convert a block of ice at -15°C to water at 15°C. What is the mass of the block of ice?

    asked by JOHN on January 14, 2013
  66. Science

    PLEASE HELP Science Test Friday Study Guide? I have 1 to 22 already but I am stuck now I have to have this completed and correctly for my study guide. I have a C right now I need an A on this test to bring it up to a B or I stay on restriction please help

    asked by Jennifer on October 26, 2010
  67. Science

    PLEASE HELP Science Test Friday Study Guide? I have 1 to 22 already but I am stuck now I have to have this completed and correctly for my study guide. I have a C right now I need an A on this test to bring it up to a B or I stay on restriction please help

    asked by Jennifer on October 26, 2010
  68. Physics

    After a snow storm, your driveway of area 50m^2 is covered with a layer of ice 10cm high at a temperature of 0C. You decide to use sunlight falling at 200 W/m^2 to melt the ice? Is it good idea? (Density of ice is 920kg/m^3 and 1 cal = 4.184 J.

    asked by Tsunayoshi on February 4, 2014
  69. chemistry

    what is the final temperature of amixture containning 25 grams of ice at -20 degree celciusadded to water at room temperature 22oC mass of water is 50g followed the steps given by you but not getting the answer (0degree celsius) ice at -20 to ice at 0

    asked by treasa on May 12, 2014
  70. Physics

    A cube of ice is taken from the freezer at -8.8°C and placed in a 103 g aluminum calorimeter filled with 321 g of water at room temperature of 20°C. The final situation is observed to be all water at 15°C. What was the mass of the ice cube? Could

    asked by John on April 20, 2012
  71. 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

    asked by Lindsay on May 14, 2007
  72. Physical science

    A 478.18g ice cube is taken out of the freezer at -8.5 degrees Celsius. how much heat s needed to turn it in to steam?

    asked by Millie on March 31, 2015
  73. science

    im trying to figure out what would happen if 4500 calories of heat are added to a 50 gram ice cube at -10 degrees celsius

    asked by ju on January 3, 2012
  74. science

    how matter can change from one form to another. Heat causes solids to melt, and more heat causes them to vaporize. Is this what you meant? Heat causes solids to melt, and more heat causes them to vaporize. Is this what you meant?

    asked by Anonymous on July 6, 2007
  75. algebra

    Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? Why? plz help f !!!

    asked by chil on March 10, 2016
  76. Chemistry

    An ice cube at 0.00 degree celsius with a mass of 23.5 g is placed into 550.0 g of water, initially at 28.0 degree celsius, in an insulated container. Assuming that no heat is lost to the surroundings, what is the temperature of the entire water sample

    asked by Amir on April 27, 2012
  77. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 73.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by Anonymous on November 5, 2014
  78. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 295 K receives 73.5 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by Anonymous on November 12, 2014
  79. physics

    Determine the quantity of heat required to convert 1kg of ice at −20 degrees Celsius to water at 100 degrees Celsius? Specific heat capacities of water and ice water are 2302 J/kgK and 4186 J/kgK respectively

    asked by Sam on November 19, 2014
  80. PHYSICS

    The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a refrigerator and has a coefficient of performance of 3.90. The water going into the unit has a temperature of 15.0°C, and the ice

    asked by HELP on December 1, 2012
  81. PHYSICS

    The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a refrigerator and has a coefficient of performance of 3.90. The water going into the unit has a temperature of 15.0°C, and the ice

    asked by ag on December 1, 2012
  82. physics

    The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a refrigerator and has a coefficient of performance of 3.90. The water going into the unit has a temperature of 15.0°C, and the ice

    asked by angie on December 1, 2012
  83. Physics

    50 grams of ice cubes at -5oC is added to a 1 litre (1 kg) of water that is initially at 30oC. a) Use the table of values to find the energy needed to melt the ice:(energy to raise the temperature of the ice to 0oC+ change the state of the ice to water) b)

    asked by Ying on January 25, 2015
  84. Physics - ice to liquid

    Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water in the cavity is then 0oC. Show that the mass of ice that melts is 50 g. To melt ice to 50g of water, I think that it will

    asked by Ceres on September 24, 2009
  85. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 67.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by mehmet kaya on November 18, 2014
  86. Chemistry(explain Please)

    How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the

    asked by anonymous on June 22, 2012
  87. Will Someone please respond! Chem

    How would i find the following? I just need an explanation. I'm stuck. I have many other questions like this and i need to know how to do them. The specfic heat of ice is 2.05 J/g. In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the

    asked by anonymous on June 22, 2012
  88. Chem

    A student measures the following data regarding the heat of fusion of ice: 25.8 g ice at 0.0°C is placed into the calorimeter which contains 100.0 g water at 21.7°C. The final temperature comes to 1.5°C. The calorimeter has a heat capacity of 15.6

    asked by Susie on January 23, 2013
  89. ap chemistry

    Consider the specific heats H2O(s) =2.09 J/g ¡¤◦C,H2O (§¤) = 4.18 J/g ¡¤◦C, and H2O(g) = 2.03 J/g ¡¤◦C. The heat of fusion for water is 334 J/g and its heat of vaporization is 2260 J/g. Calculate the amount of heat required to convert 92 g of

    asked by gabriella on October 22, 2013
  90. chemistry

    How much ice is required to cool a 15.0oz drink from 71 F to 34 F, if the heat capacity of the drink is 4.18 J/g*C ? (Assume that the heat transfer is 100% efficient.)

    asked by Jack on January 22, 2013
  91. Physics

    Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool

    asked by BG on November 20, 2010
  92. chemistry

    Suppose you add a small ice cube to room temperature water in a coffee cup calorimeter. What is the final temperature when all the ice is melted? Assume that you have 200.0 mL of water at 25.0 degrees Celsius and the ice cube weighs 15.0 g and is at 0.0

    asked by Jason on October 10, 2014
  93. Chemistry

    What two components gain heat when ice is added to water? Express it mathematically. (use appropriate symbols, not your actual numerical values. - I know that the ice gains heat as well as the H2O from the ice, but i don't understand how to express it in

    asked by Anonymous on February 28, 2010
  94. chemistry

    Gold has a latent heat fusion of 64.5 J/g. How much energy is required to melt 20.0 g of gold?

    asked by Nick on October 18, 2016
  95. Chemistry - Energy: Phase Changes

    An ice cube at 0 degrees Celsius is placed in a pouch and dropped into 30.0g of water in a cup at 45 degrees Celsius. The ice cube melts and the resulting water warms up. The lowest temperature reached by the 30.0g of water in the cup was 20.0 degrees

    asked by Kid on November 12, 2015
  96. Chemistry

    If 50.0 kJ of heat are added to a 20.0 gram ice cube at -5.00 degrees Celsius, what will be the resulting state and temperature of the water? I need some serious help with this! I think I'm making it much harder than it really has to be.

    asked by Tichele on December 11, 2010
  97. Science

    Calculate the amount of heat required to completely sublime 63.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 C.

    asked by Katie on March 12, 2011
  98. Science

    Calculate the amount of heat required to completely sublime 63.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 C.

    asked by Katie on March 12, 2011
  99. Physical Science

    A 5.00 kg block of ice at –25 oC is converted to steam at 125 oC. How much energy (in kilojoules) is expended in this process? The following data are provided: a. Specific heat of ice = 2.092 J/g oC b. Latent heat of fusion = 334.72 J/g c. Specific heat

    asked by Ashley on October 27, 2014