1. physic

    The amount of heat released when 100 grams of steam at 100 degrees Celsius is converted into liquid water at 100 degrees Celsius is ____ J.

    asked by bode on March 26, 2011
  2. physics

    The amount of heat released when 100 grams of steam at 100 degrees Celsius is converted into liquid water at 100 degrees Celsius is ____ J.

    asked by mikmi on July 22, 2012
  3. Physics 20

    1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled from 46 degrees Celsius to 2 degrees Celsius? 3. How much energy is gained when a

    asked by Tamai on June 8, 2014
  4. Physics

    Please Help! I am having difficulties grasping these concepts. Explain please! 1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled

    asked by Tamai on June 8, 2014
  5. Chemistry

    how much heat is absorbed when 63.7 grams of water at 100 degrees Celsius is converted to steam at 100 degrees Celsius? -I need help figuring out how to do this.

    asked by Natalie on March 4, 2015
  6. physics

    What is the amount of heat entering your skin when it receives the heat released by 26.4 g of steam initially at 100 degrees celsius that cools to 34.3 degrees celsius?

    asked by AE on November 29, 2009
  7. Physics

    Spent steam from an electric generating plant leaves the turbines at 120.0 degrees Celsius and is cooled to 90.0 degrees Celsuius liquid water by water from a cooling tower in a heat exchanger. How much heat is removed by the cooling tower water for each

    asked by Erica on November 21, 2006
  8. Chemistry

    1. How much heat is absorbed when 63.7g H(small 2)O [water](l) at 100 degrees C and 101.3 kPa is converted to steam at 100 degrees C? Express your answer in kJ. Is there an equation? 2.How much heat (in kJ) is released when 0.677 mol NaOH(s) is dissolved

    asked by Anonymous on May 12, 2010
  9. physical science

    How much heat must be added to 1.0kg of steam at 100 degrees Celsius to convert it to steam at 110 degrees Celsius? How much heat must be added to 1.0 kg of water at 100 degrees Celsius to convert it to steam at 100 degrees Celsius?

    asked by Randylin on July 6, 2011
  10. chemistry/please double check

    Hi, I just need to know if I finally got this exercise right. Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 Celsius are converted to 50 grams of ice at -125 Celsius. so, qw= 50*4.184J/g C (125 C-o)= 26.15 x 10^3 qi=

    asked by Joshua on October 29, 2008
  11. Physics

    A physicist converted 2 kg of water at 37 degrees celcius to steam at 100 degrees celcius. Assuming no heat is lost, calculate the amount of energy needed to heat to 100 degrees celcius.

    asked by i need help on June 5, 2015
  12. chemistry

    how many kilocalories of heat are released when 85g steam at 100 degrees C converted to ice at 0.

    asked by Anonymous on January 30, 2014
  13. physics

    How much heat must be added to 20 grams of water at 100 degrees Celsius to convert it to steam? My work Q = (20)(4.18 x 10^3)(100) = 8360000 J Is that the correct answer?

    asked by Jiskha help on November 14, 2014
  14. Physics

    Thank you for any help and assistance. Here is the question/problem: Because of the pressure inside a popcorn kernel, water does not vaporize at 100 degrees Celsius. Instead, it stays liquid until its temperature is about 175 degrees Celsius, at which

    asked by Demi on March 29, 2010
  15. Science

    How much heat is absorbed by a persons hand if 100 grams of steam at 100°C is first converted to liquid water at 100°C and then cooled to normal body temperature?

    asked by Anonymous on July 13, 2011
  16. physica

    help A thermally insulated vessel containing 100 grams of ice at 0 degrees Celsius . Water at 55 degrees celsius is poured and after some time , the system reaches the equilibrium at a temperature of 10 degrees Celsius. That amount of water in grams was

    asked by David on November 17, 2014
  17. 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

    asked by Marie on March 6, 2007
  18. 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

    asked by Randy on April 28, 2012
  19. Chemistry

    calculate the amount of heat released, in joules, in converting 75.0 g of steam at 115 degrees of Celsius to steam at 110 degrees Celcius

    asked by Brandi on April 3, 2016
  20. chemistry

    If 5.40 kcal of heat is added to 1.00 kg of water at 100 degrees celsius, how much steam at 100 degrees celsius is produced?

    asked by olaf on June 28, 2015
  21. Chemistry

    "Energy is released when 100 kg of steam at 150 degrees Celsius and standard pressure changes to water at 60 degrees Celsius. Calculate the total energy change". I used q=mct to find the energy required to change to 100 degrees Celsius. But now what??

    asked by Stuck on February 18, 2010
  22. chemistry

    a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat of water is 4.18 joules/grams degrees celcus calculate the amount of heat energy needed to cause this rise in tempurture

    asked by jane on February 16, 2012
  23. science

    a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat of water is 4.18 joules/grams degrees celcus calculate the amount of heat energy needed to cause this rise in tempurture

    asked by jane on February 16, 2012
  24. physics

    A cylinder with a piston contains 0.3 kg of water at 100 degrees C. What is the change in internal energy of the water when it is converted to steam at 100 degrees C at a constant pressure of 1 atm? The density of water is 1000 kg/m^3 and that of steam is

    asked by Chip on September 23, 2013
  25. Physics

    How do I find out how much heat it takes to raise the temperature of 100 grams of aluminum from 50 degrees celcius to 80 degrees celsius. The specific heat is 900j/kg First I did 100*30*900 and it equalled 2,700,000. that seems to high, is it? I then

    asked by Carissa on June 28, 2010
  26. physical science

    how much heat must be added to 1.0 kg of water at 100 degrees Celsius to convert it to steam at 100 degrees Celsius? i know that normally when the temperatures are the same, the heat added is zero, but i think that in this case i need to do something

    asked by miley on June 28, 2011
  27. Physics

    Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

    asked by A on March 2, 2011
  28. Physics

    Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

    asked by Amanda on March 2, 2011
  29. Physics

    Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

    asked by A on March 2, 2011
  30. Physics

    Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

    asked by A on March 2, 2011
  31. Physics

    Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

    asked by A on March 2, 2011
  32. Chemistry/please check

    Calculate the amount of heat in kilojoules reased when 50 of steam at 125 C are converted to 50 grams of ice at -125 C. AHsteam = m * Cp steam * At q1= 50g * 4.184 J/g C * (125-100)C= 5.23 x 10^J q2= m * AH 50g * 5230 J/g = 2.61 x 10^5 J q3= 50g *4.184 J/g

    asked by Joshua on October 27, 2008
  33. Chemistry

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

    asked by Lucy on January 7, 2015
  34. Chemistry

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

    asked by Lucy on January 6, 2015
  35. chemistry

    what volume and mass of steam at 100 degrees C and 1.00 atm would, during condensation, release the same amount of heat as 100.cm^3 of liquid water during freezing? What do you note, qualitatively, about the relative volumes and masses of steam and liquid

    asked by JAJA HI on February 10, 2011
  36. Chem...one more time

    Ok ok I swear after this I'm done asking questions. It's just that I'm trying so hard to understand all of this, but sometimes it just doesn't make sense to me! So here we go: How many J of energy must be removed when 124.0 g of steam, at a temp. of 167.0

    asked by Lindsay on May 15, 2007
  37. Chemistry

    A flask was immersed in 350 g of water at 25 degrees C. Steam at 100 degrees C was passed into this flask, and eventually condensed into water at 100 degrees C. If the temperature of the water surrounding the flask was raised to 70 degrees C, how many

    asked by Amanda on April 19, 2014
  38. Chemestry

    Calculater the amount of heat in kilojoules released when 50 grams of steam at 125 C are converted to 50 grams of ice at -125 C?

    asked by Maria on October 25, 2008
  39. PHYSICS

    CALCULATE THE ENERGY PRESSURE WHEN 20 GRAMS OF STEAM AT 100 DEGREES CELSIUS COOLS TO ICE AT-20 DEGREES CELSIUS.

    asked by ROJAI on October 1, 2015
  40. Physics

    How much ice at 0 degrees celsius can be melted with 1kg of steam at 100 degrees celsius, assuming no loss of energy to the surroundings? Use specific latent heat values. The specific heat of water is 4200 J kg-1 K-1

    asked by Mariya on June 26, 2013
  41. physics

    when 200 grams of aluminum at 100 degrees celsius is dropped into an aluminum calorimeter of mass 120 grams and containing 150 grams of kerosene at 15 degrees celsius,the mixtures reaches a temperature of 50 degrees celsius.what is the specific heat of

    asked by john ralph on March 15, 2015
  42. Chemistry

    30 grams of a metal at 100 degrees Celsius is placed in a calorimeter containing 100 mL of water at 21 degrees Celsius. After a few minutes, the temperature inside the calorimeter is 24 degrees Celsius. What is the specific heat of the metal?

    asked by Syeph on December 20, 2012
  43. Chemistry

    30 grams of a metal at 100 degrees Celsius is placed in a calorimeter containing 100 mL of water at 21 degrees Celsius. After a few minutes, the temperature inside the calorimeter is 24 degrees Celsius. What is the specific heat of the metal?

    asked by Seyph on December 20, 2012
  44. Physical Science

    Calculate the number of grams of ice at 32 celsius that can be melted by 1g of 100 degrees celsius steam

    asked by Asia on March 11, 2013
  45. Physics

    How much thermal energy is released when 500 g of steam at 100 degrees celsius condenses into liquid and then cools to 50 degrees celsius. What I`ve Attempted: Q=mLv m = 500g (0.5 kg) Lv = 2.3*10^6 Q=(0.5)(2.3*10^6) Q=1,150,000 J Q = 1.2*10^6 The answer in

    asked by AlphaStrike on March 1, 2016
  46. chemistry

    Calculate the amount of heat absorbed when 58 g of steam at 117◦C are completely converted to ice at −32.5◦C. Specific Heat: H2O(s) = 2.09 J/g◦C H2O(l) = 4.18 J/g◦C H2O(g) = 2.03 J/g◦C Heat of Fusion = 334 J/g Heat of Vaporization = 2260 J/g

    asked by Q on November 15, 2014
  47. chemistry

    Given that the specific heat capacities of ice and steam are 2.06 J/g degrees celsius and 2.03 J/g degrees celsius, respectively, and considering the information about water given, calculate the total quantity of heat evolved when 10.0g of steam at

    asked by Anonymous on April 16, 2012
  48. Chemistry

    How many grams of steam at 100 degrees celcuis would be required to raise the temperature of 35.8 g solid benzene (C6H6) from 5.5 - 45.0 degrees celcius. (the melting point of benzene is 5.5 degrees celcius, delta H fusion for benzene is 9.87 kj/mol,

    asked by Anonymous on February 26, 2010
  49. chemistry

    is this the right anser? for this problem please let me know thanks calculate the amount of heat in kilojoules released when 50 grams of steam at 125 C are converted to 50 grams of ice at -125 C so 50 grams of H2O Ti= 124 C Tf= -125 C q=? J=? q=m *Cp * At

    asked by Joshua on October 27, 2008
  50. Chemistry

    When 100 mL of Ba(NO3)2 solution at 25 degrees Celsius is mixed with 100 mL solution CaSO4 solution at 25 degrees Celsius in calorimeter, the white solid BaSO4 forms and the temperature of the mixture increases to 28.1 degrees Celsius. Assuming that the

    asked by Megan on December 9, 2012
  51. science

    How much heat is absorbed when 52.3 g H2O(l) at 100°C and 101.3 kPa is converted to steam at 100°C? (The molar heat of vaporization of water is 40.7 kJ/mol.)

    asked by michael on June 27, 2013
  52. chemistry

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

    asked by Dakota on November 15, 2013
  53. Physics

    How many calories are needed to change 1 gram of 100 degrees Celsius boiling water to 100 degrees Celsius steam?

    asked by Aria on March 23, 2011
  54. Physics

    How much energy is released when 1 gram of steam condenses to water at 100 degrees Celsius?

    asked by Hannah on January 31, 2013
  55. Physics

    Which requires more energy: to raise 1 kg of liquid water from 0 to 100 degrees (Celsius) or to turn that water to steam after it hits 100 degrees? Assume the specific heat capacity of water is approximately independent of temperature.

    asked by Anon on November 28, 2012
  56. physics

    contains 200 grams of oil that's 30 degrees celsius they add 100 grams of that oil that's 70 degrees celsius the balance temperature is 40 degrees celsius what's the specific heat capacity of the oil

    asked by Anonymous on May 15, 2011
  57. Chemistry

    Given that the specific heat capacities of ice and steam are 2.06 J/g degrees celsius, respectively, and considering the information about water given in exercise 16, calculate the total quantity of heat evolved when 10.0g of steam at 200. degrees celsius

    asked by Rachael on April 16, 2012
  58. Chemistry

    Calculate the change in heat when 3.05g of water vapor (steam) at 100.0 degrees celsius condenses to liquid water and then cools to 18.50 degrees celsius.

    asked by Jess on November 9, 2010
  59. Chemistry

    How many grams of ice would be melted by the energy obtained as 16.2 of steam is condensed at 100 degrees celsius and cooled to 0 degrees celsius? I would like to know how it's done step by step.

    asked by Sol on May 1, 2017
  60. Science (Chemistry)

    "Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are.

    asked by Sebastian on October 10, 2016
  61. Science (Chemistry)

    "Calculate the amount of heat (kcal) released when 18.0 g (grams) of steam are condensed at 100.0 C and the resulting water is frozen and cooled to 25.0 C." The only problem that I'm having is the amount of physical and temperature changes that there are.

    asked by Sebastian on October 10, 2016
  62. Chemistry

    Calculate the heat released from 61.5 g of steam at 111 degrees C is converted to water at 39 degrees C. Assume the specific heat of water is 4.184 J/g*C, the specific heat of steam is 1.99 J/g*C and the enthalpy.H.vap= 40.79 KJ/mol of water

    asked by Phil on January 26, 2012
  63. chemistry 101

    how much energy is released when 10 g of steam at 100 degrees celsius is condensed and cooled to body temperature?

    asked by katie on October 25, 2010
  64. Chemistry

    How much heat is required to convert 9 grams of water at 100 degrees C into steam at 100 degrees C. Hvap for water = 40.7 kJ/mol

    asked by Hannah on December 15, 2010
  65. Chemistry

    If 1.10 g of steam at 100.0 degrees celsius condenses into 38.5 g of water, initially at 27.0 degrees celsius, in an insulated container, what is the final temperature of the entire water sample? Assume no loss of heat into the surroundings

    asked by Please Help! on November 9, 2010
  66. chemistry

    if 27 grams of ice at 0 degrees celsius is added to 123 grams of water at 100 degrees celsius in an insulated container, calculate the final temperature. assume specific heat of water is 4.184 J/K g

    asked by Gabriel on October 5, 2012
  67. Physical science

    how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?

    asked by Crystal on May 1, 2011
  68. chemistry

    calculate the heat released when 166g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius

    asked by Angela on January 21, 2011
  69. chem

    How long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added at a constant rate of 23.0J/s?

    asked by alisha on March 31, 2009
  70. chemistry

    Determine the amount of heat needed to raise 20.0 g of ice at 0 degrees C to steam at 100 degrees C. (ΔHfusion = 334 J/g; Specific heat of (H2O) = 4.18 J/gc; ΔHvap = 2.25 kJ/g)

    asked by shae on May 6, 2012
  71. chemistry

    Determine the amount of heat needed to raise 20.0 g of ice at 0 degrees C to steam at 100 degrees C. (ΔHfusion = 334 J/g; Specific heat of (H2O) = 4.18 J/gc; ΔHvap = 2.25 kJ/g)

    asked by shae on May 6, 2012
  72. chemistry

    What will be the final temperature of the water in an insulated container as the result of passing 5.00 g of steam [H2O(g)] at 100.0°C into 195.0 g of water at 20.0°C? (?H°vap = 40.6 kJ/mol H2O) The best way to do these problems is to make the heat

    asked by hal on October 13, 2006
  73. AP Chemistry

    in a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl- (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40

    asked by Kailah on October 28, 2013
  74. AP Chemistry

    in a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl- (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40

    asked by Kailah on October 28, 2013
  75. Chemistry

    What will be the final temperature of the water in an insulated container as the result of passing 6.00g of steam at 100.0 degrees Celsius into 100.0g of water at 24.0 degrees Celsius?

    asked by Jason on January 28, 2011
  76. Science

    Why does steam at 100 degrees celsius cause a more severe burn than water at 100 degrees celsius?

    asked by Bob on May 10, 2008
  77. Physical Science

    what amount of energy in calories would it take to bring 20 grams of solid ice at negative twelve degrees celsius to liquid water at 100 degrees celsius?

    asked by Patience on April 2, 2012
  78. Chemistry

    A sample of benzoic acid contaminated with NaCl and sand is to be recrystallized: Benzoid Acid: Solubility in water at 100 degrees Celsius in g/100 mL = 6.8, at 0 degrees Celsius in g/100 mL = 0.2. NaCl: Solubility in water at 100 degrees Celsius in g/100

    asked by Trisha on October 22, 2012
  79. chemistry

    I am in need of help about this specific heat question. A 100.0g sample of aluminum released 1680 calories when cooled from 100.0 degrees C ti 20.0 degrees C. What is the specific heat of the metal? I tried setting it up: 1680 cal ________________________

    asked by Jena on September 28, 2010
  80. Chemistry

    The human body obtains 885 kJ of energy from a chocolate chip cookie. If this energy were used to vaporize at 100 degree Celsius, how many grams of water could be vaporized? The heat of vaporization of water at 100 degrees Celsius is 40.7 kJ/mole.

    asked by Jane on July 19, 2016
  81. Chemistry

    The human body obtains 885 kJ of energy from a chocolate chip cookie. If this energy were used to vaporize at 100 degree Celsius, how many grams of water could be vaporized? The heat of vaporization of water at 100 degrees Celsius is 40.7 kJ/mole.

    asked by Jane on July 20, 2016
  82. chemistry

    How long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added at a constant rate of 23.0J/s ? the constants are: Specific heat of ice: 2.09J(g/degrees celcius) Specific heat of liquid water: 4.18 J

    asked by sam on March 31, 2009
  83. Chemistry

    In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 pound of oil provides 2.4*10^7 J. How many kg of oil are needed to heat 100 kg of water from 22 to 100 degrees C? How many kg of oil are needed to provide steam from

    asked by Steve on February 6, 2012
  84. chemistry

    When 45 grams of an alloy is dropped into 100.0 grams of water at 25 degrees celcius, the final temperature is 37 degrees celcius. what is the specific heat of the alloy? the alloys Temperature is 100 degrees celsius

    asked by sdfsgfsf on June 11, 2008
  85. chemistry

    How much heat would be relaesed by the condensation of 5.40g of steam at 100 (degrees)C and the subsequent cooling of the water to 25(degrees)C? [(delta)Hvap=40.7 KJ/mol at 100(degrees)C; Cp for H2O(l) is 4.18Jg-1 (degrees)c-1] A) 12.2 kj B) 18.3 kj C)

    asked by Kim on June 21, 2010
  86. CHEMISTRY

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

    asked by LEBOHANG on April 1, 2010
  87. chemistry

    sample of liquid water at 100 degrees C absorbs 113 kJ of heat. HOw much water will be converted to steam heat vaporization if water is 2.26 kJ/g I just need help with what formula to set this up

    asked by LG on July 21, 2011
  88. Chemistry

    Calculate the amount of heat in kcal it would take to convert 1.45 mol of ice at 0 degrees C to steam at 100 degrees C.

    asked by Jess on November 2, 2011
  89. 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
  90. chemistry

    How many grams of steam at 100 Celsius would be required to raise the temp. of 35.8 g solid benzene, from 5.5 Celsius to 45.0 Celsius???

    asked by pgarcia on February 24, 2010
  91. chemistry

    calculate the amount of heat released when 77.0g of steam at 104.5 celsius cools to ice at 0.0 celsius. I don't understand the steps to take to solve this problem. Can someone walk me through it please?

    asked by Loretta on November 12, 2014
  92. science

    How much heat is absorbed by a persons hand if 100 grams of steam at 100c is first converted to liquid at 100c and then cooled to normal body temperature?

    asked by Alley on October 17, 2010
  93. Science

    A piece of lead at 100 degrees celsius has a mass of 500 grams. It is placed in a 200 grams of water at 20 degrees celsius that is contained in an aluminum caloriemeter with a mass of 400 grams. If the final temperature of lead, water and caloriemeter is

    asked by Jo on October 11, 2016
  94. physics

    Pls help pls help me solve. Dry steam at 100 degree Celsius is bubbled into 500 g of water originally at 20 degree Celsius. What will be the temperature of the water after 30 g of steam has condensed? ( specific heat capacity of water =4200,specific latent

    asked by rita on May 12, 2018
  95. chemistry

    How much heat would be released by the condensation of 5.40 g of steam at 100 °C and the subsequent cooling of the water to 25 °C? [ÄHvap = 40.7 kJ/mol at 100 °C; Cp for H2O(l) is 4.18 J g-1 °C-1]

    asked by jason on January 25, 2008
  96. Chemistry Help

    The specific heat of zinc is 0.386 J/g degrees Celsius. How many joules would be released when 454 grams of Zinc at 96.0 degrees Celsius were cooled to 28.0 degrees Celsius.

    asked by Sam on October 25, 2012
  97. Chemisty

    In an experiment, 230 kJ of heat energy are released to the surroundings when steam is converted to liquid water. Calculate the number of grams of water condensed. The following data may be of use: vap = 2260 J/g; Hfus = 334 J/g; Cp(ice) = 2.06

    asked by Stephen on April 8, 2010
  98. physics

    If 10kg of ice at 0 degrees celsius is added to 2kg of steam at 100 degrees celsius.Calculate the resulting temperature of the mixture

    asked by chrystabellle on January 17, 2012
  99. Chemistry

    a 100 g sample of ice at -15 degrees celsius is heated until it is converted to water vapour at 120 degrees celsius what is the energy change?

    asked by Amber on February 25, 2015
  100. Chemistry

    Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees Celsius. How many kilocalories are required to raise the temperature of 305 gtams silver from 30 degrees Celsius to 70 degrees

    asked by Palak on January 25, 2011