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October 22, 2014

Search: How much heat is required to change 456 g of ice at -25.0°C into water at 25.0°C? The specific heat of ice is 2090 J/(kg K) and the latent heat of fusion of water is 33.5 × 104 J/kg

Number of results: 72,741

chemistry
the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 12.09 g of...
April 24, 2012 by Randy

Phase Changes
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 10.73 g ...
May 8, 2013 by Jenny

Chemistry
How much heat is required to change 10 g of ice at 0o deg C to steam at 100 deg. C?
February 23, 2010 by Mari

Chemistry
How much heat is required to change 10 grams of ice at 0 deg. C to steam at 100 deg C?
February 23, 2010 by Ally

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?
March 6, 2012 by Caitlin

Chemistry
What is the final temperature when 50.0 g of Chromium at 15 deg. C (specific heat of Cr = 0.107 cal/g-deg.) is added to 25 ml of 45 deg.C water?
February 23, 2010 by Mary

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?
November 15, 2013 by Dakota

Physics
I'm trying to determine the specific heat of copper by experiment and I have a question about the change in temperature of the copper. If I take the copper out of boiling water at 100 deg. C and place it in water at 10 degrees C, the temp. of the water increases to 14 deg. Is ...
May 7, 2009 by Brigid

Chemistry
In order to raise the temperature of 5.0 Kg of water from 20 deg. C to 30 deg. C, a 2.0 kg iron bar is heated and then dropped into the water. What should the starting temperature of the bar be? (Specific heat Fe is 0.22 cal/g-deg.)
February 23, 2010 by Lexie

physics
A 400 g marble block has a specific heat of 860 J/kg C deg. If the block is placed in 700 ml of water, the marble changes it temperature by 17 Celsius degrees. Since the specific heat of water is known to be 4186 J/kg C deg, what is the temperature change of the water. (The ...
February 19, 2014 by Ann

chemistry
how much heat is required to completely vapporize 2.3 grams of ice starting at -50 degrees Celsius? (the specific heat of ice is 2.0 J/g.C; the specific heat of water is 4.184 J/g.C; the heat of fusion is 333 J/g; and the heat of vaporization is 22601 J/g)
March 22, 2011 by Anonymous

physical
Specific Heat. Copper has a specific heat of 0.092 cal/g/deg C. A 75 gram copper mass has been heated to a temperature of 100 degrees C. The copper is placed in thermal contact with 50 grams of water at 25 degrees C. What will be the final equilibrium temperature of the copper...
November 23, 2013 by Anonymous

Chemistry
the heat of fusion water is 335J/g,the heat of vaporization of water is 2.26kJ/g, the specific heat of water is 4.184J/deg/g. how many grams of ice at 0 degrees could be converted to steam at 100 degrees C by 9,574J
April 27, 2012 by Randy

Physics
how much heat energy needed to convert 125g ice 27 deg C to 50 deg C
January 31, 2013 by Zach

Chemistry
how much heat is needed to convert 966g of ice at -10 deg C to steam at 126 deg C
June 22, 2011 by TC

Chemistry
How much heat in kJ is lost when 100.0g of steam at 200 deg C is cooled down until it forms ice at -30.0 deg C?
March 6, 2012 by Caitlin

Physics
How much energy is required to change a 58 g ice cube from ice at −1◦C to steam at 101◦C? The specific heat of ice is 2090 J/kg ◦ C and of water 4186 J/kg ◦ C. The latent heat of fusion of water is 3.33 105 J/kg, its latent heat of ...
January 30, 2013 by Tiffany

Phyics
How much energy is required to change a 57 g ice cube from ice at −4◦C to steam at 107◦C? The specific heat of ice is 2090 J/kg ◦ C and of water 4186 J/kg ◦ C. The latent heat of fusion of water is 3.33 105 J/kg, its latent heat of ...
July 8, 2013 by Beatles Lover

chemistry
What mass (in grams) of CaCl2(s) must be dissolved in pure water at 10.0 deg Celsius to make a 26.4 mL solution and to increase the solution temperature to 16.4 deg Celsius? Assume that there is no heat loss from the solution and that the solution has the same physical ...
November 16, 2008 by Anonymous

chemistry URGENT (1)
What mass (in grams) of CaCl2(s) must be dissolved in pure water at 10.0 deg Celsius to make a 26.4 mL solution and to increase the solution temperature to 16.4 deg Celsius? Assume that there is no heat loss from the solution and that the solution has the same physical ...
November 16, 2008 by Anonymous

Chemistry
Ho much energy is needed to change a 50 g ice cube at 0 deg C to a liquid water at 100 deg. C?
February 23, 2010 by Christopher

Heat Transfer
A fin 30 cm long & 10mm diameters throughout is made of steel alloy of thermal conductivity 43 W/m-deg. the fin attached to a plane heated wall at 200 deg.C temp. extends into surroundings at 25 deg.C.& Unit surface conductance of 120W/m^2-deg. Workout the heat flow rate from ...
August 1, 2012 by Rafeeq

Heat Transfer
A fin 30 cm long & 10mm diameters throughout is made of steel alloy of thermal conductivity 43 W/m-deg. the fin attached to a plane heated wall at 200 deg.C temp. extends into surroundings at 25 deg.C.& Unit surface conductance of 120W/m^2-deg. Workout the heat flow rate from ...
August 1, 2012 by Guru

Physics
Find the heat necessary to change 2.5kg of water (ice) at -2 degrees C to steam at 105 degrees C. specific heat ice= 2060 specific heat water= 4180 specific heat steam= 2020 heat of fusion= 3.34X10^5 heat of vaporization= 2.26X10^6
November 18, 2010 by Brittany

Physice....help please
not understanding how to do this. A certain storm cloud has a potential of 1.00x10^8 V relative to the tree. If during a lightning storm, 50C of a charge is transfered through this potential differnce and 1.00% of the energy is absorbed by the tree, how much sap can be boiled ...
April 16, 2008 by ~christina~

Chemistry
22.) The molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of liquid water is 4.18 J/gC. (1) What quantity of heat is required to melt 25.0 g of ice at 0C? (2) What quantity of heat is required to ...
March 5, 2013 by Adriana

chemistry
substance X has a molar mass of 107.6 g/mol. When 2.50 g of substance x burns in an iron calorimeter, the temp. of the calorimeter and the water (2.000 Kg) increases from 25.8 deg. C to 38.7 deg. C. What is the molar heat of combustion of substance X in KJ/Mole. Heat capacity ...
March 27, 2011 by carla

chem
The heat of combustion of bituminous coal is 2.50 104 J/g. What quantity of the coal is required to produce the energy to convert 137.7 pounds of ice at 0.00C to steam at 100.C? specific heat (ice) = 2.10 J/gC specific heat (water) = 4.18 J/gC heat of fusion = 333 J/g ...
December 15, 2010 by Bogdanam

Chemistry
Lead has a melting point of 327C, its specific heat is J/gdeg, 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 23.0C to its melting point and then melt it?
November 4, 2012 by steph

Chemistry
Lead has a melting point of 327C, its specific heat is J/gdeg, 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 23.0C to its melting point and then melt it?
November 4, 2012 by steph

Physics
Consider a piece of metal that is at 5 deg C. If it is heated until it has twice the internal energy, its temperature will be. a)556 deg C b)283 deg C c)273 deg C d)278 deg C e)10 deg C
November 19, 2012 by S

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 delta T? q = mass x heat...
February 4, 2008 by Lauren

chemistry
The amount of 2.00 mol of a solid ionic compound was dissolved in 225 mL of water in an insulated container. The initial temp of water was 20 deg. C and the final temp. was 47.8 deg C. What is the delta heat Dissolution? Assume the heat absorbed by the container is negligible.
March 27, 2011 by carla

Heat Transfer
A 1 m square verticalplate is heated to 300 deg C and placed in room air at 25 Deg C. calculate the heat loss from the one side of the plate
March 27, 2014 by RHS

Chemistry
How much heat is given up when 20 g of steam at 100 deg C is condensed and cooled to 20 deg.C?
February 23, 2010 by Mary

chemistry
calculate the energy, in joules and calories required to heat 25.0g of water form 12.5 deg. celcius to 25.7 deg. celcius i know the answer just need to see how to do it especially the calories
January 22, 2012 by shaun

physics
A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newton's law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.
October 19, 2011 by Dave

physics
A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newtons law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.
October 19, 2011 by Dave

Urgent-Chemistry Help
I need help with the heat effects and calorimetry worksheet. Please explain how to solve it! Thank you so much! A metal sample weighing 45.2g and at a temperature of 100.0 C was placed in 38.6g of water in a calorimeter at 25.6 C. At equilibrium the temperature of the water ...
December 4, 2006 by Tiffany

chemistry
An insulated beaker with negligible mass contains liquid water with a mass of 0.255{kg} and a temperature of 76.0{C} How much ice at a temperature of -19.9 C must be dropped into the water so that the final temperature of the system will be 32.2? Take the specific heat of ...
December 7, 2009 by dan

Chemistry HEAT OF FUSION
What amount of energy is required to melt a 26.9 g piece of ice at 0oC? The heat of fusion of ice = 333 Jg-1 Heat required to melt the ice = J What amount of energy must be removed from 120 g of water to cool it from 72.1oC to 12.4oC? Specific heat of water = 4.184 JK-1g-1 ...
October 6, 2011 by tanner

had
A 0.106 kg ice cube is taken out of a freezer with temperature -16C. It is then added to a glass of water with mass 0.25 kg. The water initially has a temperature of 24.2 C. Assume no heat is added or lost to the surroundings. Calculate the amount heat required to completely...
March 3, 2014 by Anonymous

Physcial Science
Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...
September 23, 2011 by Anonymous

Physcial Science
Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...
September 23, 2011 by Anonymous

Physcial Science
Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...
September 23, 2011 by Anonymous

Chemistry
A 63 gram block of an unknown metal at 88 degrees C was dropped into an insulated flask containing approx. 30 g of ice and 30 g of water at 0 degrees C. After the system had reached a steady temp. it was determined that 12.1 g of ice had melted. What is the specific heat of ...
May 15, 2007 by Lindsay

Geometry
What is the value of x? image is on: tiny pic . com/r/nx1abn/8 I choose c 90 deg a 60 deg b 72 deg c 90 deg d 120 deg
June 23, 2014 by Geo

physics(heat)
A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?
May 29, 2012 by ridhi

physics(heat)
A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?
May 29, 2012 by ridhi

Chemistry
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the heat of vaporization ...
September 16, 2008 by Jimmy

Chem
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the heat of vaporization ...
February 4, 2012 by Dan

physics
A 400 calorie quantitiy of heat is added to 20 grams of water and as a result, the water reaches a final temp of 70 deg. C. The starting temp of the water was most nearly _____ deg C.
November 12, 2010 by Sonya

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)
February 19, 2010 by Jake

Chemistry
What amount of energy is required to melt a 27.4 g piece of ice at 0oC? The heat of fusion of ice = 333 Jg-1 Heat required to melt the ice 9.12e3 = J What amount of energy must be removed from 123 g of water to cool it from 71.6oC to 9.41oC? Specific heat of water = 4.184 JK-...
October 2, 2014 by Jill

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 heat of water = 4.184 JK...
March 23, 2012 by Chase

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)?
February 19, 2010 by elisabeth

Chemistry
Consider a 27.5g piece of ice at 0.00C. 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? I don't understand the process of how to go about solving this problem.
September 7, 2008 by Jeff

Chemistry
Consider a 27.5 g piece of ice at 0.00 C. 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...
September 7, 2008 by Jeff

physics
500g of water at 40 deg C and 200g of a mixture of ice and water are combined. The final temperature is 10 deg C. How much of the original 200g mixture was ice?
February 23, 2008 by shan

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 mixture? The heat of ...
October 1, 2006 by J.M.

Physics
A 100-g aluminum calorimeter contains a mixture of 40 g of ice and 200 g of water at equilibrium. A copper cylinder of mass 300 g is heated to 350 C and then dropped into the calorimeter. What is the final temperature of the calorimeter and its contents if no heat is lost to ...
December 2, 2010 by Calvin

Physics
An electrical generating plant operates at a boiler temperature of 220 deg C and exhausts the unused heat into a nearby river at 18 deg C. what is the maximum theoretical efficiency of the plant?
November 19, 2012 by R

Chemistry
How mucyh heat is given up when 20 g of steam at 100 deg C is condensensed and cooled to 20 deg. C?
February 23, 2010 by Ally

physics
An ice bag containing 0C ice is much more effective in absorbing heat than one containing the same amount of 0C water. (a) How much heat in kcal is required to raise the temperature of 0.700 kg of water from 0C to 27.0C? (b) How much heat is required to first melt 0.700 kg...
July 19, 2013 by Eric

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 25C. Realizing that the water would probably not be cool enough, he threw ice ...
November 20, 2010 by BG

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 delta T? q = mass x heat...
February 4, 2008 by Lauren

chemistry urgent
calculate the number of joules of heat required to change 85.0 grams of water at 25oC to steam at 10oC (heat of vaporization of water = 2260 j/g and specific heat of water = 4.18 j/g oC)
November 30, 2010 by Lynn

ocean county college
A 150 g sample of metal at 55.0 C raises the temperature of 150 g of water from 23.0 C to 35.0 C. Determine the specific heat of the metal in J/g C. Hint: #1 First find heat absorbed by water using formula q = mass x specific heat x change in temp (of water). #2 Use this value...
March 21, 2010 by adina

AP Chemistry
The molar heat of fusion for water is 6.01 kJ/mol. The heat capacity for water is 75 J/mol deg. Which expression gives the quantity of energy need to change 1.0 mol ice at 0C to liquid water at 25C? A. 6010/(75x25) B. 6.01+75 C. 6010+(75x25) D. 6010/298+(75x25) E. (6010+(75x25...
September 23, 2012 by Eric

Chemistry
Determine the resulting temperature when 150 g of ice at 0 deg.C is mixed with 300 g of water at 50 deg C.
February 23, 2010 by Stacie

Chemistry
A 500kg steel boiler is used to convert 200kg of water into steam. Calculate the total energy required to heat both the steel and its' contents from 20.0C to 100.0C. The specific heat capacity of the steel is 0.528J/gC. Heattotal= heat steel + heat water + heatsteam = ...
September 23, 2006 by J.M.

Physics-
-Steam at 100 C is mixed with 166.4 g of ice at C32.8 C, in a thermally insulated container, to produce water at 44.6 C. Ignore any heat absorption by the container. -Cwater = 4186. J/(kg C) -Cice = 2090. J/(kg C) -Lf,water = 3.33 105 J/kg -Lv,water = 2.26 106...
April 9, 2013 by blur oh no

science
If you have 10 lbs shrimp at 80 deg F how much ice would it take to reach 50 deg F in 10 minutes?
August 7, 2013 by bill

physics
If you wish to warm 110kg of water by 18 degrees C for your bath how much heat is required? Heat= mass*specificheat*TempChange Put the mass in kg, choose the specific heat constant in units of J/(kg-C), and use the 18C as the temp change.
October 27, 2006 by Tonya

Physics
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. When the water turns to ice during the night, heat is released into the plants, thereby giving them a ...
December 11, 2012 by Anonymous

physics
How much heat in KJ is needed to change 3.0 kg of ice at -10C into (superheated) steam at +150C ? Do I need to find specific heat? (3.0kg)(2100)(150-10)= 882kj right?
April 22, 2011 by DMITRIC

Physics
How much heat is added to a 10.0 g of ice at -20.0 degrees Celsius to convert it to steam at 120.0 degrees Celsius? compute and add the following heats: heat to heat ice from -20C to 0C heat to melt ice at 0C Heat to heat water from 0 to 100C heat to convert water to steam at ...
March 5, 2007 by Marie

chemo
How much heat (in kJ) does it take to melt 28.4 grams of ice at 0 C and raise the temperature of the resulting water to 25 C? Heat of fusion 334 J/g, Specific heat 4.184 J/g C ?
October 29, 2013 by melissa

chemistry
Can specific heat be negative? I know energy can be (as in joules or calories) because when something cools down the temperature difference is a negative, and because the energy is an important part of the formula for specific heat, couldn't it be negative? Specific heat ...
October 22, 2006 by Fido

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.
March 27, 2012 by Jill

Chemistry
A quantity of ice at 0.0C was added to 25.6 g of water at 21.0C to give water at 0.0C. 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 dont understand how to set this problem up (what the formula is and where to...
October 8, 2008 by Ryan

Chemistry
A quantity of ice at 0.0C was added to 25.6 g of water at 21.0C to give water at 0.0C. 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 dont understand how to set this problem up (what the formula is and where to...
October 8, 2008 by Ryan

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. What mass of ice ...
February 21, 2008 by Lydia

physics
A technician needs to determine the amount of energy required to increase the temp. of a vat containing 12 kg of water. The water enters the vat from the water mains at a temp. of 15 deg C. The technician knows that the final temp. required is 90 deg C. How much energy is ...
April 8, 2014 by Huliney

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 4.58103 kJ? For ice, use a specific heat of 2.01 J/(g*C) and Heat of Fusion is = 6.01 kJ/mol.
November 8, 2009 by Wessells

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.
September 7, 2008 by Jeff

Chemistry
which of the following quantities is not required to calculate the amount of heat energy required to heat water from 25^OC to 55^OC? A-the mass of water sample. B-the initial temp. C-the heat of vaporization for water. D-the final temp. E-the specific heat of water.
July 15, 2011 by John Height

chemistry
If 125cal of heat is applied to a 60.0-g piece of copper at 20.0(Deg C), what will the final temperature be? The specific heat of copper is 0.0920cal/(g.degC)
February 16, 2013 by Anonymous

ap chemistry
the molar heat of fusion for water is 6.01 kJ/mol. the heat capacity for water is 75 J/mol deg. Which expresssion gives the quantity of energy needed to change one mol ice at 0 degrees celsius to liquid water at 25 degrees celsius? a.)6010/(75x25) b.)6.01+75 c.)6010+(75+25) d...
September 24, 2010 by Sarah

physics
134 g of water at 7C is added to ice at 0C. If the final temperature of the system (which you can assume is isolated) is 0C, determine HOW MUCH ICE MELTED. The specific heat of water is 4186 J/kgC. The latent heat of fusion for H2O is 335,000 J/kg.
November 14, 2012 by Joseph

science
Which provides more cooling for a Styrofoam cooler, one with 10lb of ice at 0C or one with 10lb of ice water at 0C? Explain your reasoning. 10# ice requires heat to melt the ice + heat to heat the water after it melts. 10# ice water requires heat to heat the water. Which do ...
February 17, 2007 by patrick

CHEMISTRY
How much heat is needed to melt 150g of ice? and How much heat is needed to change 150g of ice into steam at 110 degrees? My heat of fusion is 361 and my percent error is 8 if you need that. Answers quickly please :(
March 8, 2011 by TaShe

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 heat of water is 4186 J/...
November 17, 2010 by Raquel

Chemistry HEAT OF FUSION
What is the final temperature, in oC, after a 15.0 g piece of ice, at 0oC, is placed in a styrofoam cup with 128 g of water initially at 74.0oC. Assume there is no transfer of heat to or from the surroundings. The specific heat of water = 4.184 JK-1g-1 The heat of fusion of ...
October 6, 2011 by tanner

chemistry
Given that the specific heat capacities of ice and steam are 2.06 J/gC and 2.03 J/gC, the molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of water is 4.18 J/gC, calculate the total quantity of ...
February 16, 2010 by Emily

CHEMISTRY
Given that the specific heat capacities of ice and steam are 2.06 J/gC and 2.03 J/gC, the molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of water is 4.18 J/gC, calculate the total quantity of ...
November 2, 2010 by Riley

Chemistry
What is the final temperature, in oC, after a 27.0 g piece of ice, at 0oC, is placed in a styrofoam cup with 120 g of water initially at 70.5oC. Assume there is no transfer of heat to or from the surroundings. The specific heat of water = 4.184 JK-1g-1 The heat of fusion of ...
October 2, 2014 by Mike

Chemistry 106 ch 11
Calculate the heat released when 73.5 g of steam at 122.0 C is converted to water at 39.0C. Assume that the specific heat of water is 4.184 J/g C, the specific heat of steam is 1.99 J/g C, and change in heat vap =40.79 kJ/mol for water.
February 15, 2014 by alex

Lauren
The amount of heat required to raise temperature of 55.85 g of iron 1 degrees C is called its A. Change of energy B. Enthalpy C. Molar heat capacity D. Specific heat capacity E. Specific Heat.
November 16, 2007 by Chemistry

physical science
If 500 kg of water at 200 degrees F is poured into a lake that is 50.0 degrees F, how much heat is added to the lake? Joules added = mass x specific heat water x delta T. mass = 500 kg Look up specific heat water in cal/kg delt T is 200. Solve for Joules added. Isn't the ...
June 22, 2007 by jan

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