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July 23, 2014

Search: How much heat is required to warm 1.60 kg of sand from 20.0^\circ C to 100.0 ^\circ {\rm C}?

Number of results: 32,994

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
How much heat is required to warm 225g of ice from -48.6C melt the ice warm the water from 0.0C to 100.0C boil the water and heat the steam to 173.0C
February 22, 2010 by Anonymous

Chemistry
How much heat is required to warm 229 g of ice from -45.3C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C?
April 22, 2012 by Skrillex

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

chem.
How much heat would be required to warm Earth's oceans by 1.0 degree celsius ? Assume that the volume of Earth's oceans is 137x10^7 km^3 and that the density of seawater is 1.03 g/cm^3. Also assume that the heat capacity of seawater is the same as that of water. Earth's oceans...
February 5, 2010 by Al

Physics
If you wish to warm 120 kg of water by 16C for your bath, how much heat is required? ((The heat capacity of liquid water is 4186 J/(kgoC) ) Q = M C *(delta T) delta T = 16 C (it means "change in temperature) M = 120 kg C = 4186 J/(kgoC Multiply it out for the answer (Q, the...
March 27, 2007 by Paula

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

Chemistry
How much heat is required to warm 1.50 kg of sand from 20.0 C to 100.0 C?
March 20, 2012 by Derek

chemistry
How much heat is required to warm 250.4 g of water from 22.6 C to 75.8 C given that the specific heat capacity of water is 4.184 J/gx degrees C?
November 3, 2011 by Teresa

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 to the mp. Then add ...
October 31, 2006 by mary

physics science
if you wish to warm 95 kg of water by 20.0c for your bath how much heat is required
October 30, 2011 by mary

chemistry
How much heat (in Kj ) is required to warm 10.0g of ice, initially at -11.0 C, to steam at 112.0 C?
April 20, 2012 by haley

Chemistry
How much heat (in Kj ) is required to warm 10.0g of ice, initially at -11.0 C, to steam at 112.0 C?
April 20, 2012 by Haley

chemistry
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere. Earth's oceans, because of their high heat capacity, can absorb heat and therefore act to slow down global warming. ...
February 5, 2010 by Al

Chemistry Honors 10th
How much heat is required to warm 122 g of water by 23.0 degrees Celsius?
April 21, 2010 by Bria

mechanical systems
how much heat is required to warm 1500 gallons of water from 70 to 140 degrees F?
April 15, 2012 by Steve

math
how much heat would be required to warm Earths ocean by 1.0 degrees C assuming that the volume is 137*10^7 km ^3 and the density of sea water is 1.03 g/cm 3. also assume that the heat capacity of seawater is the same as that of water
January 24, 2011 by marie

dr bob
how much heat would be required to warm Earths ocean by 1.0 degrees C assuming that the volume is 137*10^7 km ^3 and the density of sea water is 1.03 g/cm 3. also assume that the heat capacity of seawater is the same as that of water
January 24, 2011 by marie

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.
November 15, 2012 by NeedHelp

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
January 31, 2012 by Anonymous

science
How much heat is required to warm 225g of ice from -46.8 degree celcius to 0.0 degree celcius, melt the ice, warm the water from 0.0 degree celcius to 100.0 degree celcius, boil water, and heat the steam to 173.0 degree celcius.
March 31, 2011 by kayt

chemisty
get a piece of ice, rub it on your arm until it melts. Do you feel the heat leaving your body to melt the ice? how much heat was required to melt one gram of a sample ice and warm it to the body temperature of 37 degress celcius? Heat= Heatfusion*massice + masswater*c*deltaTemp
May 21, 2007 by jennifer lowman

physics
if you wished to warm 100 kg of water by 15 degrees celsius for your bath, how much heat would be required? (give your answer in calories and joules)
January 28, 2010 by maria

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 appreciated.
March 29, 2009 by Pete

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

chem/math
How much heat would be required to warm Earths oceans by 1.0 C? Assume that the volume of Earths oceans is 137 x 10^7 km^3 and that the density of sea water is 1.03 g/cm3. Also assume that the heat capacity of seawater is the same as that of water.
January 24, 2011 by marie

chem 101
This is second part is built off the first question. These are all from a practice test. How much heat is required to raise the temperature of exactly one liter of water fro m 60 F to 180 F? correct answer: 279kj How much alcohol must be burned to generate enough heat to ...
April 15, 2012 by Anonymous

chemistry
how much heat would be required to warm the earth's oceans by 1 degree celcius if the volume of the earths oceans is 137x100000000km3 and the density of the seawater is 1.03g/cm3
May 25, 2013 by Kay

Chem (Specific Heat)
I am confused as to how to solve this problem. Can someone please tell me the steps? I know SH = heat/ mass x change in temp. What is the specific heat of a metal if 7.74 103 J of energy is required to warm a 75.0 g sample of the metal from 10 C to 125 C? THanks -MC
February 6, 2014 by mysterychicken

chemistry
How much heat is required to warm 1.60 L of water from 26.0 degree C to 100.0 degree C? (Assume a density of {1.0 g/ml for the water.)
October 18, 2010 by Mely

chemistry
How much heat is required to warm 1.30 L of water from 30.0 degrees C to 100.0 degrees C? (Assume a density of 1.0 g/mL for the water.)
October 18, 2010 by Mely

Math
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4C to a final temperature of 65C. The steam enters the heat exchanger as 50% quality steam and exits as water condensate at 85C. Calculate the ...
February 17, 2013 by Paul

chemistry
What quantity of heat is required to warm 53.7 g of liquid water from 0C to 100C?
March 29, 2010 by rachel

chem
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere. Earths oceans, because of their high heat capacity, can absorb heat and therefore act to slow down global warming...
January 24, 2011 by marie

math chem
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere. Earths oceans, because of their high heat capacity, can absorb heat and therefore act to slow down global warming...
January 24, 2011 by Anonymous

Science
If you wish to warm 100 kg of water by 20 C for your bath, show that 8370 kJ of heat is required.?
March 13, 2014 by Reggie

Physics
If you wish to warm 100 kg of water by 20 C for your bath, show that 8370 kJ of heat is required.?
March 13, 2014 by Reggie

chemistry 101
How much alcohol must be burned to generate 279kj of heat to warm the water as described in problem 3? (60F to 180F) I've seen where they say the answer is (mass of alcohol)(heat ofcombustion)=279 and you solve for mass. However how am I to know which heat of combustion to use...
April 15, 2012 by Anonymous

physics
How much heat does it take to warm up a 300g glass of water by 30 degrees C? (what is the formula for the specific heat of water?)
March 21, 2011 by Aria

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

chemistry
HELPPPP!!!! This is a lab, and i need help with the equations please!! Thank you !! Heat of fusion data table : Mass of foam cup = 3.57g Mass of foam cup + warm water = 104.58g Mass of foam cup + warm water + melted ice = 129.1g Temperature of warm water = 37 degrees celcius. ...
December 2, 2012 by maryam

science
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4 degrees celcius to a final temperature of 65 degree celcius. The steam enters the heat exchanger as 50% quality steam and exits as water condensate...
March 4, 2013 by Bev

Food Chemestry
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4 degrees celcius to a final temperature of 65 degree celcius. The steam enters the heat exchanger as 50% quality steam and exits as water condensate...
March 4, 2013 by Bev

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

material science
How much heat (in BTU) would be required to heat and vaporize 100 lb of water from 25C to saturated steam at 1 atm? Assume heat capacity is constant at 1 BTU/lb-F and the latent heat of vaporization is 1,000 BTU/lb
January 19, 2011 by zura

Chemistry
Calories of heat absorbed by water = (Mass undergoing change)(Change in temp.)How much heat is needed to warm 125 g. of water from 25 degrees Celsius to 100 degrees Celsius. Thank you very much!
January 30, 2013 by Larissa Jenkinson III

GA perimeter
What is the specific heat of a metal if 7.74 x 103 J of energy is required to warm a 75.0 g sample of the metal from 10 C to 125 C?
January 21, 2012 by Anonymous

Physics
Assume the optimal coffee drinking temperature is 75C, and further assume coffee has the same heat capacity and density as water. a. How much energy is required to raise the temperature of 1 cup (0.237 liters) of coffee initially at 25C to the optimal temperature? b. How ...
December 5, 2010 by Steve

physics
(a) How much heat is required to raise by 12.40C the temperature of 1.4 kg of water. (b) How much heat is required to raise by 12.40C the temperature of 1.4 kg of iron.
April 9, 2012 by JOHN

Physics
How much heat is required to raise by 10.30C the temperature of 1.2 kg of water? How much heat is required to raise by 10.30C the temperature of 1.2 kg of iron?
April 16, 2012 by Alex

specific heat capacity
How much heat would be required to heat 1 gram of pure liquid water from 10C to 20C? How would i approach this problem?
September 26, 2011 by D

physic-heat
the specific heat of water is one of the highest of all substances.why does this make water a useful liquid to use in hot water bottles? and could you use a lump of nickel to warm your bed instead of a hot water bottle?which would be better? why? I will be happy to crititque ...
April 8, 2007 by Pauline

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?
March 15, 2013 by Dan

chemistry
How much heat in joules is required to heat a 40g sample of aluminum from 77*C to 150*F?
February 18, 2012 by lorray

chemistry
How much heat in joules is required to heat a 44g sample of aluminum from 76 F to 148 F?
February 26, 2013 by tish

Chemistry
How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)
April 4, 2010 by Cassy

chemistry
the heat of fusion of water is 335 J/g. How much heat would be required to melt 97.8 g of ice
April 24, 2012 by Randy

chemistry
The specific heat of iron is approximately 0.45 J/g C. How much heat energy is required to raise a 40 g sample of aluminum from 40 C to 60 C?
April 4, 2012 by esmi

univ. physics
A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each cycle, what is the amount of heat expelled to the warm indoors? (in cal)
December 13, 2012 by kate

physics
A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each cycle, what is the amount of heat expelled to the warm indoors? (in cal) tried everything but got nothing.
December 17, 2012 by jimmy

Physics
How much heat is required to melt 50 grams of ice heat it to its boiling point and then turn it into vapor
December 6, 2012 by Anothony

chemistry
need help setting this problem up: The heat of fusion of water is 335 J/g. How much heat would be required to melt 10.4 g of ice?
July 20, 2010 by ellen

chem
how many calories of heat energy are required to warm 250ml of water from 35 degrees celsius to 64 degrees celsius?
April 1, 2013 by Denise

Chemistry
How long would it take a 20Kw heater to warm up 1000 litres of water from 15 degrees to 55 degrees in hours? specific heat of water = 4.18kJ. also How much heat would a block of ice melting at 200Kg per hour absorb? thanks if anyone can help!
October 21, 2012 by Dave

chem 105
How many liters of , measured at 20 , must be burned to provide enough heat to warm 28.3 of water from 15.5 to 31.3 , assuming that all the heat of combustion is transferred to the water, which has a specific heat of 4.18 ? Recall that .
March 27, 2013 by Anonymous

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
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?
June 5, 2010 by dESHA

Chemistry
How much heat, in kilojoules (kJ), is required to raise the temperature of 2.50kg Hg(l) from -20.0 to -6.0C? Assume a density of 13.6g/ml and a molar heat capacity of 28.0 J mol -1 C -1 for Hg(l). Please helpppppp .... thanks in advance
October 21, 2013 by Bob

physics
calculate the amount of heat energy required to raise the temperature of a 5kg block of solid platinum from 0 degrees celsius to 25 degrees celsius. the specific heat of platinum is 133j/kg k. how much heat energy is required to raise 5kg of water by the same amount? the ...
January 8, 2011 by charlie

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

chem 101
How much alcohol must be burned to generate 279kj of heat to warm the water as described in problem 3?(from 60 F to 180 F) a. 18.7 g b. 2.9 g c. 1.6 g d. 10.4 g e. 9.3 g the answer is D help with solution?
April 13, 2012 by Anonymous

chemistry
using the values for heat of fusion, specific heat of water, or heat of vaporization, calculate the amount of heat energy. Calories needed to warm 20.0g of water at 15 degrees Celsius to 72 degrees Celsius (one step) Show work please
October 3, 2010 by matt

physics
when a power station converts chemical or nuclear energy to electrical energy it converts about 50% of the energy to low grade heat suggest how people could use this energy before the power station operators allow it to enter the environment. why is this low grade heat energy ...
May 8, 2007 by Emma

Physics Heat
1) Peter is heating water on the stove to boil eggs for a picnic. How much heat is required to raise the temperature of his 10.0-kg vat of water from 20.0℃ to 100.0℃? Formula>> Q=mTcp 2)Under the spreading chestnut tree of the village blacksmith dunks red-hot...
April 10, 2013 by Isis

physics
swimmers often notice that when they start to swim in a still body of water after a hot sunny day the surface water is warm but the deeper water is cold. why this happens?explain. (is it that the heat of the sun can only heat up the surface of the water?) swimmers often feel ...
May 3, 2007 by Pauline

Chemistry
How much heat (in BTU) would be required to heat and vaporize 100 lb of water from 25C to saturated steam at 1 atm? Assume heat capacity is constant at 1 BTU/lb-F and the latent heat of vaporization is 1,000 BTU/lb. Also, what is the temperature of the saturated steam at 1 atm?
January 17, 2011 by Jini

chemistry
The solubility of cholesterol in 95% ethanol is 32.5 mg/mL at 37C and 11.5 mg/mL at 7C. How much 95% ethanol is required to dissolve 1 g of cholesterol at 37C? If that volume of warm, saturated solution is cooled in a refrigerator to 7C, how much cholesterol will crystallize?
September 28, 2009 by lisa

Chemistry
Water can be heated in tightly woven baskets by dropping in hot rocks. The technique is useful for cooking in the absence of metal or pottery vessels. Estimate the size (in liters) of basket needed to hold the rocks and water if 5 L of boiling-hot (100C) water is required. ...
September 11, 2011 by Martyna

Chemistry
Water can be heated in tightly woven baskets by dropping in hot rocks. The technique is useful for cooking in the absence of metal or pottery vessels. Estimate the size (in liters) of basket needed to hold the rocks and water if 5 L of boiling-hot (100C) water is required. ...
September 11, 2011 by Martyna

chem
How much heat(energy) in calories will it take to warm 25 g of ice at -10 degrees C to liquid water at 40 degrees C?
April 13, 2008 by bob

College Chemistry
The specific Heat of gold is 0.128 J/g degrees Celsius. How much heat would be needed to warm 250.0g of gold from 25.0 degrees Celsius to 100.0 degrees Celsius
October 25, 2012 by Chris

science
if the specifc heat of iron = 0.46J/g C,how much heat is needed to warm 50g of iron from 20C to 100C -- I do not know how to make the celcius o above the temperature number my anwswer Q = Mx(delta)TxC Q=50gx80Cx0.46J/gC Q = 1840 Joules Delta = the triangle I do not know how to...
April 25, 2008 by sam

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

chemistry
If the warm water in this experiment is at 98 C, how much heat must be released in order for the temperature of 100. mL of water to decrease to 32C?
October 23, 2008 by Lilit***

physcical science
how much heat is needed to warm 200 grams of water from an initial temperature 24 celsius to 84 celsius
September 22, 2012 by physical science

physical science
How much energy would be needed to warm 1.5 L of water from 25 C to 50 C? The specific heat capacity of water is 4186 J/kg/C.
February 5, 2013 by Josh

Physical science
How much energy would be needed to warm 1.5 L of water from 0 C to 25 C? The specific heat capacity of water is 4186 J/kg/C.
February 5, 2013 by Josh

Chemistry
The molar heat of solution of NH4NO3 is 25.7 kJ/mol. How much heat (in kJ) would be required to dissolve 20 grams of NH4NO3 in water?
December 14, 2010 by Hannah

chem
How much energy (in Joules) is required to heat 13.48 g of water from 10.5 oC to 46.2 oC ? Use 4.184 J/goC as the specific heat capacity of water.
March 26, 2012 by emily

CHEMISTRY
The specific heat capacity (cp) of lead is 0.13 J/g C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 C to 37 C? a. 2.0 b. -0.13 c. 0.13 d. 29
May 9, 2010 by GRACE

CHEMISTRY
The specific heat capacity (cp) of lead is 0.13 J/g C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 C to 37 C? a. 2.0 b. -0.13 c. 0.13 d. 29
May 9, 2010 by GRACE

Chemistry
When 25.0 g of ethanol vapor condenses, 23.6 kJ of heat is released. How much heat is required in kJ to vaporize 254 g of ethanol?
October 13, 2010 by Jordin

Physics
How much heat is required to raise the temperature of a 4.3-kg block of steel by 48 K? (The specific heat of this steel is 450 J/kg K.)
July 31, 2012 by Sierra

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.)
January 22, 2013 by Jack

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
March 1, 2012 by please help !

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
March 1, 2012 by please help !

Chemistry!!
How much heat is required to raise the temperature of 250.0 g of mercury 52C? The specific heat of mercury is 0.14 J/(gC).
May 21, 2010 by Meg Hat

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