# how much heat is required to melt an ice cube that is 4.2 cm x 2.1 cm x 2.9 cm? The density of ice is 0.92 g/cm3

22,259 questions, page 3
1. ## Science - Melting Ice

In the process of heating ice into the boiling state of its liquid form, did the procass absorb or release energy? Did the molecules spontaneously move fast? Where did the energy come from and where did it go? did it increase or decrease? was it lost? Were

asked by Sigor on October 18, 2006
2. ## Physic

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C? Answer in J.

asked by Renee on April 6, 2014
3. ## Chemistry

An 850 gram chunk of ice at 0 degrees Celsius is dropped into a container holding 1.7 kg of water at an initial temperature of 35 degrees Celsius. Due to the presence of the ice, the temperature of the water eventually drops to 0 degrees Celsius. Show a

asked by Selena on January 29, 2012
4. ## physics

How much energy is required to change a 40 g ice cube from ice at -40°C to steam at 100°C?

asked by Erica--help! on November 8, 2010
5. ## physic

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C?

asked by Renee on April 6, 2014
6. ## Physics! HElp

A g ice cube at -15.0oC is placed in g of water at 48.0oC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is thermally insulated from the

asked by Idali on April 11, 2017
7. ## chemistry

When ice at 0C melts to liquid water at 0C, it absorbs 0.334 kj of heat per gram. Suppose the heat needed to melt 31.5 g of ice is absorbed from the water contained in a glass. If this water has a mass of .210 kg and a temperature of 21.0C, what is the

asked by Capacino on June 24, 2009
8. ## AP Physics B

how much heat does it take to melt 4.2 kg of ice at 0c? Answer in kcal

asked by Hunter on May 5, 2014
9. ## physics

calculate the amount of heat energy required to melt a 1kg iron ingot initially at 20 ¡ãC? (heat of fusion for Fe is 33.0 J/g

asked by rose on August 4, 2014
10. ## physic

c. A 2 kg block of ice has been stored in a chiller at a constant 0°C. In order to carry out an investigation, the block of ice needs to be turned into water at a temperature of 75°C. Calculate how much heat energy is required to change the block of ice

asked by Albert Einstein on June 22, 2017
11. ## 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
12. ## Chemistry

How many grams of propane must be burned to provide the heat needed to melt a 70.0-g piece of ice...? How many grams of propane must be burned to provide the heat needed to melt a 70.0-g piece of ice (at its melting point) and bring the resulting water to

asked by help on January 24, 2012
13. ## physics

A 37.0 g ice cube at -15.0 degreesC is placed in 224 g of water at 48.0 degreesC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is

asked by Idali on April 4, 2017
14. ## physics

A 37.0 g ice cube at -15.0 degreesC is placed in 224 g of water at 48.0 degreesC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is

asked by idali on April 6, 2017
15. ## physics

A 37.0 g ice cube at -15.0 degreesC is placed in 224 g of water at 48.0 degreesC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is

asked by Idali on April 11, 2017
16. ## physics

An ice cube at its freezing point is placed in nested Styrafoam cups which contain 240 g of water at 21.5 °C. If the final equilibrium temperature when the last trace of ice melts is 25.0 °C, what was the mass of the ice cube?

asked by emily on December 21, 2017
17. ## Math

A snack bar sells ice snow cones. An ice cube has a side length of 24 centimeters.after shaved all linear dimensions of the ice cube are 1/4 of original dimension

asked by Jazmin on September 2, 2016
18. ## chemistry

joules needed to melt a 525 g ice cube at 0 degree C and to warm the liquid to 15 degrees C (two steps please show work)

asked by rachel on September 16, 2012
19. ## Chemistry

Calculate the heat in calories needed to melt 14.0g of ice at 0C .

asked by Sam on September 8, 2011
20. ## Chemistry

How much heat would you need to melt 20.0 L of ice that had frozen on a fruit tree.

asked by Matt on October 11, 2014
21. ## Chemistry

The specfic heat of iron is 0.11cal/g C. The heat of fusion of iron, the heat required to convert iron from a solid to liquid at its melting point, is 63.7cal/g. Iron melts at 1530 C. How much heat must be added to 2g of iron at 25c to completely melt it?

asked by Dan on March 15, 2013
22. ## Science

Can you please help me figure out why evaporation is a cooling process and why becoming a solid is a heating process? evaporation absorbs heat from the environment, thus "cooling" the environment. becoming solid is a heating process as heat is moved from

asked by Michelle on March 4, 2007
23. ## chemistry

Using a coffee-cup calorimeter, it is found that when an ice cube with a mass of 24.6 g melts, 8.19 kJ of heat are absorbed. (a) Calculate the change in enthalpy per gram and per mole of water. (b) Write the thermochemical equation for this physical

asked by john on November 1, 2011
24. ## chemistry

how much energy in joules is required to melt 10.00 moles of ice

asked by Anonymous on January 21, 2011
25. ## chenistry

how many calories are required to melt a 135.0g sample of ice at 0.0 c

asked by barb on September 5, 2012
26. ## Physics

we have an unknown mass of water at an initial temp of 35 degrees C and 100 g ice cube at -5 degrees, the final temp is 5 degrees. What is the mass of the water? Specific heat of ice is 2100 j/(kg*k) latent heat of fusion of ice is 333.7 kj/kg

asked by Amber on May 5, 2015
27. ## Chemistry

When ice melts, it absorbs 0.33 per gram.How much ice is required to cool a 12.0 drink from 72 to 37, if the heat capacity of the drink is 4.18 ? (Assume that the heat transfer is 100 efficient.)

asked by Kate on February 1, 2011
28. ## Chemistry

When ice melts, it absorbs 0.33 per gram. How much ice is required to cool a 11.0 drink from 75 to 37, if the heat capacity of the drink is 4.18 ? (Assume that the heat transfer is 100 efficient.)

asked by Al on February 5, 2010
29. ## Chemistry

When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 13.0 oz drink from 71 ∘F to 39 ∘F, if the heat capacity of the drink is 4.18 J/g∘C? (Assume that the heat transfer is 100 % efficient.)

asked by Sara on September 13, 2016
30. ## Chemistry

Topic: Sublimation and Fusion How much heat (in kJ) is required to warm 13.0 g of ice, initially at -14.0 C, to steam at 112.0 °C? The heat capacity of ice is 2.09 J/g⋅°C and that of steam is 2.01 J/g⋅°C. Any help on how to start this is really

asked by Pete on March 29, 2009
31. ## Chem

A 135g sample of ice is in a freezer at -21 degrees celsius. It is removed from the freezer and allowed to melt and the resulting water warms up to the room temperature of 23 degrees celsius. How much energy is absorbed by the 135g sample? The specific

asked by Tegan on October 5, 2015
32. ## Chemistry I

When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 24.0 fluid ounce drink from 75°F to 35°F, if the heat capacity of the drink is 4.18 J/g·°C? (Assume that the heat transfer is 100% efficient.)

asked by Robbie on September 15, 2010
33. ## Chemistry

How much heat (in kJ) is required to warm 12.0g of ice, initially at -12.0C, to steam at 111.0?C The heat capacity of ice is 2.09J/(g*C) and that of steam is 2.01J/(g*C). I got 5.64 but I did something wrong apparently.

asked by NeedHelp on November 15, 2012
34. ## chemistry

An ice cube of mass 10g at -10C is added to the beaker containing 150mL of water at 88.5C. Assuming no heat is lost to the surrounding; calculate the equilibrium temperature for the liquid after the ice melts.(Heat of fusion for H2O = 6.01 kJ/mol. Heat of

asked by Bill on June 21, 2012
35. ## Chemistry

An ice cube of mass 10g at -10C is added to the beaker containing 150mL of water at 88.5C. Assuming no heat is lost to the surrounding; calculate the equilibrium temperature for the liquid after the ice melts.(Heat of fusion for H2O = 6.01 kJ/mol. Heat of

asked by Anonymous on June 21, 2012
36. ## College Chemistry

When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 10.0 oz drink from 77 ∘F to 40 ∘F, if the heat capacity of the drink is 4.18 J/g∘C? (Assume that the heat transfer is 100 % efficient.) Express your answer using two

asked by Braliegh on September 6, 2018
37. ## SCIENCE QUESTION

LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C? Figure the heat to heat if from 20C

asked by priscilla on October 7, 2006
38. ## Chemistry

what mass of water at 15C can be cooled 1C by heat necessary to melt 185g of ice at 0C

asked by Brian on February 4, 2011
39. ## Chemistry

You have 23.0g of water initially at -46°C. How much energy in joules is required to heat the ice to 0°C? c ice = 2.1 J/g°C. I thought joules was calculated by grams*change in temperature*specific heat. The answer I get from 23*46*2.1 is 2221.8, but web

asked by Harrison on March 1, 2015
40. ## Chemistry

When ice melts, it absorbs 0.33 kJ/g. How much ice is required to cool a 11.0oz drink from 76F to 39F, if the heat capacity of the drink is 4.18J/gC ? (Assume that the heat transfer is 100% efficient.) I got 11 g, but I guess that's wrong...

asked by Jordann on April 4, 2013
41. ## math

1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to

asked by tony on March 13, 2017
42. ## basic science

1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to

asked by tony on March 13, 2017
43. ## chem

The specific heat of silver is 0.237 J/goC Its melting point is 961oC . Its heat of fusion is 11 J/g. How much heat (in J) is needed to change 17.5 g of silver from solid at 25oC to liquid at 961oC ? Add the heat required to warm the silver from room temp

asked by mary on October 31, 2006
44. ## Physics

There is a block of ice which weighs 1.0 kg, and has a temperature of 0 degree Celsius. How much heat will it take to melt and evaporate the ice in a room where there is plenty of ventilated cool, dry air at just above 0 degree Celsius.

asked by Jacob K on December 11, 2011
45. ## physics

50+kg+ice+cube+slides+without+friction+up+and+down+a+30°+slope.+The+ice+cube+is+pressed+against+a+spring+at+the+bottom+of+the+slope,+compressing+the+spring+10cm+.The+spring+constant+is+25Nm.+When+the+ice+cube+is+released,what+distance+will+it+travel+up+the+slope+before+reversing+direction

asked by zama on April 4, 2013
46. ## chemistry

A 2.622 g sample of almond is ignited and used to melt ice in a can. a. if the almond sample melted 15.24g of ice,What is the heat produced in kcal/gram?

47. ## Survey of the Sciences

Thank you Damon! now, here's the last part of that along with the first again.... Calculate the height from which a block of ice at zero degrees celcius nust be dropped for it to completely melt upon impact. Assume that there is no air resistance and that

asked by Stephanie on February 2, 2011
48. ## Chemistry

How much heat is required to convert solid ice with a mass of 810 g and at a temperature of -18.0 °C to liquid water at a temperature of 62.5 °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 Anonymous on November 2, 2016
49. ## Physics repost - need more explanation

Posted by Ceres on Wednesday, September 23, 2009 at 4:07pm. 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

asked by Ceres on September 23, 2009
50. ## Chemistry

How much heat (in kilojoules) is required to warm 11.0 g of ice, initially at -14.0 ∘C, to steam at 112 ∘C? The heat capacity of ice is 2.09 Jg−1∘C−1 and that of steam is 2.01 Jg−1∘C−1.

asked by Julia on January 30, 2017
51. ## Chemistry

How much heat in kilojoules is required to warm 10.0 g of ice, initially at -10.0 ∘C, to steam at 115 ∘C. The heat capacity of ice is 2.09 J/g∘C and that of steam is 1.84 J/g∘C.

asked by Carolyn on April 19, 2018
52. ## physics

A 67.0 g ice cube can slide without friction up and down a 26.0 degree slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 12.0 cm . The spring constant is 20.0 N/m .When the ice cube is released, what

asked by Anonymous on November 13, 2010
53. ## math

The capacity of a 1cm cube is 1mL. How many 1cm ice cubes would you need ti melt to fill a 1.5L jar?

asked by vanessa on April 20, 2010
54. ## chemistry

a 14.7g ice cube is placed into 324g og water. calvulate the temperature change in the water upon complete melting of the ice. hint: determine how ,uch heat is absorbed by the melting ice and then use q=mc delta T to calculate the temperature change. use

asked by janny on May 4, 2010
55. ## Physics

A 50 g ice cube can slide without friction up and down a 32° slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10.16 cm. The spring constant is 22 N/m. When the ice cube is released, what distance will it

asked by Joe on September 28, 2011
56. ## Physics

A 50 g ice cube can slide without friction up and down a 32° slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10.16 cm. The spring constant is 22 N/m. When the ice cube is released, what distance will it

asked by Joe on September 28, 2011
57. ## Chemistry - Energy: Phase Changes

If 13.4 kJ of energy are added to 1.00 kg of ice at 0 degrees Celsius, how much water at 0 degrees Celsius is produced? How much ice is left? The molar heat of melting is 6.01 kJ/mol. So... 6.01 kJ -> 1 mol (6.01 kJ of energy can melt 1 mole of ice)

asked by Kid on November 12, 2015
58. ## PHYSICS

How much heat energy is required to change 40g of ice at -10K to water at 70K? [Specific heat of ice=2100J/KgK Specific heat of water 4200J/KgK]

asked by HEJUMACLA on October 22, 2015
59. ## Physical Science

How much heat is needed to melt a sample of ice if the temperature of 150 g of water in the calorimeter is lowered from 23.0 C to 0 C?

asked by Malise on April 3, 2012
60. ## more physics.

What change in entropy occurs when a 27.9-g ice cube at -12 C is transformed into steam at 115 C? Add the entropy changes due to: (1) heating the ice to 0C, (2) melting the ice, (3) heatng the water from 0 to 100 C, and (4) Evaporating the liquid water.

asked by jean on April 26, 2007
61. ## Chemistry

How much heat (in kJ) is required to warm 10.0 g of ice, initially at -15.0 ∘C, to steam at 114.0 ∘C? The heat capacity of ice is 2.09 J/g⋅∘C and that of steam is 2.01 J/g⋅∘C.

asked by Deiante on January 26, 2017
62. ## chemistry

How much heat (in ) is required to warm 11.0 of ice, initially at -13.0, to steam at 111.0? The heat capacity of ice is 2.09 and that of steam is 2.01

asked by Anonymous on January 31, 2012
63. ## chemistry

How much heat (in kJ) is required to warm 13.0 g of ice, initially at -13.0 ∘C, to steam at 111.0 ∘C? The heat capacity of ice is 2.09 J/g⋅∘C and that of steam is 2.01 J/g⋅∘C.

asked by Alexus on September 19, 2015
64. ## physics

how much heat is required to warm 10 grams of ice from -10 celsius to 0 celsius? (specific heat of ice= 0.5 cal/g.C?)

asked by pub on March 24, 2016
65. ## Chemistry II

How much heat (in kJ) is required to warm 10.0 g of ice, initially at -15.0 ∘C, to steam at 114.0 ∘C? The heat capacity of ice is 2.09 J/g⋅∘C and that of steam is 2.01 J/g⋅∘C.

asked by Deiante on January 26, 2017
66. ## physics 10

1.) 100 kJ of heat is added to 600g of zinc at 20 C and 75g of it melts. If the specific heat of zinc is 0.385 kJ/kg-C and it melts at 420 C. What is its heat of fusion? 2.) If all the heat lost by 1kg of water at 0 C when it turns into ice at 0 C could be

asked by ella on March 15, 2015
67. ## physics

A 5-g ice cube at ?4°C is dropped into 60 g of water at 40°C. (For the following problems, use the specific heats in this table and the numerical data found in this table.) (a) After enough time has passed to allow the ice cube and water to come into

asked by lanre on July 26, 2012
68. ## chemistry (heat of fusion/vaporization)

i need help setting this problem up. You have an insulated container of water that has a temperature of 83.2 C, you continue to add ice until the temperature reaches .6 C and you remove the excess ice, your volume increased by 79.8 mL. What amount of hot

asked by abby on March 26, 2007
69. ## Chemistry

Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a number of questions that correlate with that experiment and how we can make use of it. This week we looked at the Molar Fusion of Ice and there are some questions

asked by Cody on December 15, 2008
70. ## Physics

The density of ice is 9.20x10² kg/m³. An ice cube which is 20.0mm high floats in water. What height of the side of the ice cube is above the surface of the water?

asked by Anonymous on November 6, 2018
71. ## CHEMISTRY HELP

1) The specific heat of solid copper is 0.385 J/g(C). What thermal energy change occurs when the temperature of a 34.10 g sample of copper is cooled from 35.7 degrees Celsius to 13.9 degrees Celsius? Answer: -286.3 J This amount of heat is used to melt

asked by Jen on October 17, 2011
72. ## physics

A 40g chunk of 90 degree C iron is dropped into a cavity in a very large block of ice at 0 degree C.Find what mass of ice will melt. (The specific heat capacity of iron is 0.11 cal/g degree C)

asked by christy on April 3, 2012
73. ## Physics - Heat and phase change

9.4 kJ of energy is available to take a sample of ice initially at -40*C, heat it to it's melting point, melt it, and subsequently heat it to 50*C. What is the mass, in grams, of the largest such sample for which this amount of energy will suffice?

asked by Jos on March 19, 2013
74. ## physics

At a picnic, a Styrofoam cup contains lemonade and ice at 0 degree C. The thickness of the cup is 2.0*10^-3m, and the area is 0.016 m^2. The temperature at the outside surface of the cup is 35 degree C. The latent heat of fusion for ice is 3.35*10^5 J/kg.

asked by Lydia on February 21, 2008
75. ## Chemistry

How many kilojoules of heat are required to melt a 10.0 g popsicle at 0 degress C? Assume the popsicle has the same molar mass and heat of fusion as water. Could someone tell me what equation to use to solve this or the steps? Thank You.

asked by Anonymous on May 12, 2010
76. ## Chem1412

The melting point of benzene (C6H6) is 5.5 oC and the heat of fusion at that temperature is 9.87 kJ/mol. How much heat would be required to melt 35.0 g of benzene at 5.5 oC? Atomic weights: C 12.011 H 1.00794

asked by Kuy on September 6, 2015
77. ## chemistry

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? (Assume that the heat transfer is 100% efficient.) please explain realy realy

asked by Rebekah on September 15, 2010
78. ## Chemistry

if 9560 J of energy were absorbed by 25.0g of ice at 0 degrees Celsius what would be the final temperature? First you must calculate the energy required to melt ice completely. With the remaining energy (Q). This is the equation i came up with but i'm not

asked by Sage on February 24, 2016
79. ## Physics

The specific heat capacity of ice is about 0.5 cal/g °C. Calculate the number of calories it would take to change a 4 gram ice cube at absolute zero (-273°C) to 4 gram of boiling water.

asked by Anonymous on April 23, 2011
80. ## chem- need major help!

ok i know i posted this before but it got totally confusing and its late and its due tom. When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 14.0 fluid ounce drink from 75°F to 35°F, if the heat capacity of the drink is 4.18

asked by Sarah on September 15, 2010
81. ## chemistry

If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?

asked by lynn on July 4, 2011
82. ## physics

If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?

asked by lynn on July 4, 2011
83. ## 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 27, 2014
84. ## 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
85. ## Physics

Heat is added to 0.77 kg of ice at -25 °C. How many kilocalories are required to change the ice to steam at 131 °C? I don't even know where to begin with this

asked by Karly on April 18, 2015
86. ## chemistry

We have of ice at -11.9°C and it is ultimately completely converted to liquid at 9.9°C. For ice, use a specific heat (Cs) of 2.01 J/gK, for liquid water use a specific heat of 4.18 J/gK, and ΔHfusion = 6.01kJ/mole, Molar mass H20 = 18.01g/mol. If

asked by Thanh on October 31, 2014
87. ## Science

15)Which of the following shows the correct sequence of what happens to the water molecules in an ice cube when it is removed from the freezer? 1. the molecules gain enough energy to break free from each other. 2. the ice begins to melt 3. the molecules

asked by #FreeGucci on March 16, 2016
88. ## chem

How much heat (in kJ) is required to warm 10.0 g of ice, initially at -13.0 ∘C, to steam at 109.0 ∘C? The heat capacity of ice is 2.09 J/g⋅∘C and that of steam is 2.01 J/g⋅∘C. The heat capacity of liquid water is 4.18 J/g⋅∘C. This substance

asked by Gaby on January 24, 2016
89. ## Chemistry

The binding energy of electrons in a metal is 194 kJ/mol. Find the threshold frequency of the metal. ----------------- The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g

asked by James on November 28, 2012
90. ## Light Energy Problems

The binding energy of electrons in a metal is 194 kJ/mol. Find the threshold frequency of the metal. ----------------- The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g

asked by Amy on November 27, 2012
91. ## Chemistry

Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much heat, in kilojoules, will be required to heat a 500.0-g sample of lead from 23.0ºC to its melting point and then melt it?

asked by steph on November 4, 2012
92. ## Chemistry

Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much heat, in kilojoules, will be required to heat a 500.0-g sample of lead from 23.0ºC to its melting point and then melt it?

asked by steph on November 4, 2012
93. ## physics

A piece of ice its mass is 2.5 kg and at 0.0 C temperature , it is crawling on the ground with 5.7 m/s , what is the mass of the melted ice , if we know all of the kinetic energy of the ice turn into the internal energy (of the ice ) , that we need 3.3 X

94. ## Chemistry

A 100g sample of ice at 0ºC is added to 150.0 mL of liquid water at 80ºC in a styrofoam cup calorimeter. (The specific heat capacity of water is 1.184 J/g•ºC, the density of water is 1.00 g/mL, and ∆Hºfus = 6.01 kJ/mol) a) Does all of the ice

asked by Lauren on November 5, 2012
95. ## chemistry

a) how much heat is required to convert the ice to water that is also 0.00 C? b) how much heat would be required to warm this water from 0.00 C to 17.50 C? HELP!! I think the fusion is 333 J/g at 0 C... But I'm not sure what to do with that.

asked by Jeff on September 7, 2008
96. ## Science

A perfectly square ice cube measures 3cm on each side.It has a mass of 24.6g.Whatcis the density of the ice cube.

asked by Anonymous on October 16, 2012
97. ## algebra

Ice (at 0 degrees celsius) has a density of 922 kg per meter cubed. If the edge of a cube of ice is 4 cm, what is the mass of the cube?

asked by Sammantha on January 23, 2009
98. ## chem 101

how much heat is required to melt 25.6g of solid diethyl ether(at its melting point)

asked by to on December 6, 2012
99. ## Science

1. Which of the following is an example of matter A.Leaves B.Shadows C.Light from the sun D.Sound