# A piece of copper of mass 300 g at a temperature of 950 degree Celsius is quickly transferred to a vessel of negligible thermal containing 250 g of water at 25 degree Celsius. If the final temperature of the mixture

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1. ## chemistry

* A 50 gram sample of an unknown metal warms from 18 to 58 after absorbing 800 joules of energy. what is the specific heat of the metal? *copper has a specific heat of 0.387 j/g degree celsius. what is the mass of a piece of copper that undergoes a 21.0 C

2. ## physics

A 500 g piece of silver at 150 degree Celsius is submerged in 1000 g of water at 5 degree Celsius to be cooled. determine the final temperature of silver and water given Cwater = 4.18 x 10 ^3 J/kg degree Celsius Csilver = 2.4 x 10^2 J/kg degree Celsius

3. ## chemistry

I'm not sure how to solve this: If 125 cal of heat is applied to a 60.0-g piece of copper at 20.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C). Express the final temperature numerically in degrees Celsius

4. ## word problem

If equal amounts of heat are added to equal masses of silver and copper, both at the same initial temperature, which will reach the higher final temperature? Explain your answer. The specific heat capacity of silver is 0.235 J/g degree Celsius and that of

5. ## chemistry

calculate the weight of crystal formed on cooling 80 gm of saturated solution from 60 degree Celsius to 30 degree Celsius. solubility of salt at 60 degree Celsius and 30 degree Celsius are 132 and 95 respectively.

6. ## Chemistry

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

7. ## chemistry

a piece of copper weighing 400g is heated to 100degree celsius and then quickly transfered to a copper calorimeter of mass 10g containing 100g of liquid of unknown specific heat capacity at 30 degree celsius.if the final temperature of the mixture is 50

8. ## Physics

A copper block of mass 100g at a temperature of 150 degree celcius is dropped into a copper calorimeter of 40g containing 80g of water at 30 degree celcius. Calculate the steady final temperature of the mixture assuming no heat is lost to the

9. ## Physics

A copper wire that has been heated to 520 degrees Celsius for pliability is plunged into 350 mL of water at 18 degrees Celsius. The final temperature of the copper and water bath is 31 degrees Celsius. Find the mass of the copper wire

10. ## Physics 2

calculate the final temperature of a 400g of water at 80 degree celsius if it is poured into a 100g pot at 30 degree celsius. note: c of pot is 840 J/kg degree celsius.

11. ## themodynamics

liquid water of mass 10 kg & temperature 20 degree celsius mixed with 2 kg of ice at -5 degree celsius till equilibrium is reached at 1 atm presssure . find entropy ??

12. ## Chemistry

A piece of metal weighing 5.10g at a temperature of 48.6 degree Celsius was placed in a calorimeter in 20.00 mL of water at 22.1 degree Celsius. The final equilibrium temperature was found to be 29.2 degree celsius. What is the specific heat of the metal?

13. ## physics

The specific heat capacity of copper is 0.092 calories per gram per degree Celsius. How much heat is required to raise the temperature of a 5 g piece of copper from 0°C to 80°C?

14. ## physics

A piece of copper of mass 300 g at a temperature of 950 degree Celsius is quickly transferred to a vessel of negligible thermal containing 250 g of water at 25 degree Celsius. If the final temperature of the mixture is 100 degree Celsius calculate the mass

15. ## science

A copper ball is dropped from a vartical height 1200m.if the initial temptature of copper ball at the height is 12 degree celsius,what is its temperature on reaching the ground? Assume all its kinetic energy changes to heat energy and specific heat

16. ## physics

a 200g aluminum container has 500g of water with an initial temperature of 22 degree celsius. The following heated pieces of metal are dropped into water at the same time as follows: 300g piece of aluminum heated at 100 degree celsius; a 50g piece of

17. ## science(physics)

A piece of copper block of mass 24g at 230 degree celsius is placed in a copper calorimeter of mass 60g containing 54g of water at 31 degree celsius.Assuming heat losses are negligible,calculate the final steady temperature of the mixture (Specific heat

18. ## Chemistry

In chemistry, we did a lab in which we had a certain mass of copper, performed multiple experiments on the copper, and at the end, extracted the copper from a solution and weighed it. The goal was that the mass of the final copper should be the same as the

19. ## chemistry (science)

The addition of 50mL of 2.02 M NaOH to 50 mL of 2.00 M HNO3 at 22.0 degree celsius resulted in maximum temperature of 36.1 degree celsius with a total mass of the solution of 100.0 g. calculate molar heat of neutralization and compare it to the results

20. ## Physics

A piece of copper ball of mass 20g at 200 degree centigrade is placed in a copper calorimeter of mass 60g containing 50g of water at 30 degree centigrade. Ignoring heat losses calculate the final temperature of the mixture

21. ## Physics

A piece of copper ball of mass 20 gram at 200 degree celcius is place in a copper calorimeter of mass 60 gram containing 50 grm of water at 30 degree celcius, ignoring heat loses calculate the final steady temperature of the mixture. ( S. H. C of water is

22. ## Energy multiple choice question

Which of the following samples has the highest specific heat capacity? a) A 100 kg sample of lead requires 13 000 J to increase its temperature by 1 K b) A 50 g sample of water releases 1050 J as it cools by 5 degree Celsius c) A 2 kg sample of copper

23. ## physics

An insulated beaker contains 300g of water initially at 30 degree celsius. water at 100 degree celsius is added until the temperature of mixture reaches 50 degree celsius . the specific heat capacity of water is 4.2J/(kg degree celsius). how much water is

24. ## chemistry

required to heat 38.0 g of copper (cu) from 122 degree celsius to 246 degree celsius

25. ## math

HELP C= 5 9 (F−32) The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree

26. ## Math

The equation above shows how temperature F , measured in degrees Fahrenheit, relates to a temperature C , measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is equivalent

27. ## Physics

A piece of copper weighing 400g is heated to 100 degree celcius and quickly transferred to a copper calorimeter of mass 10g containing 100g of liquid of unknown specific heat capacity at 30 degree celcius.if the final temperature of the mixture is 50

28. ## CHEM

One piece of copper jewelry at 101°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

29. ## Chemistry

How much amount of crystal is formed when 15 gram of saturated solution prepared at 30 degree Celsius cooled to 10 degree Celsius. The solubility of that salt at 30 degree Celsius is 95 and at 10 degree Celsius

30. ## Physics

A piece of copper ball at 80 degree Celsius is quickly transferred into a copper calorimeter of mass 60g containing 200g of water at 25 degree celcuis . If the final temperature of the mixture is 55 degree celcuis .caculate the mass of the copper ball

31. ## technological institute of the philippines

seventu grams of a piece of iron at 95 degree celsius is dropped into a copper calorimeter containing 150 grams of water at 20 degree celsius. the mass of copper calorimeter is 90 grams the final temperature of the mixture is 25 degree celsius. determine

32. ## Chemistry

a piece of copper at 120 degrees celsius has exactly twice the mass of another piece of copper at 40 degrees celsius. The two pieces are brought together and allowed to reach equilibrium. What is the final temperature.

33. ## Physics

A piece of copper is 40g at 200°C is transferred into the copper of calorimeter of mass 60g containing 50g at 25°C what would be the final temperature of the mixture

34. ## physics

Suppose a liquid's starting temperature is 35 degree celsius. and its ending temperature is 20 degree celsius. Explain what happens to each form of internal energy. please help me

35. ## Mechanical engineering

The temperature of piece of copper of mass 250g is raised to 100% and is then transferred to well lagged aluminum can mass 10g containing 120g of methylated spirit at 10%. Calculate the final steady temperature after the spirit has been well stirred.

36. ## chemistry

one piece of copper metal at 105 C has twice the mass of another copper piece at 45 C. What is the final temperature if these two pieces are placed in a calorimeter. Specific heat of copper is 0.387 J/g.K.

37. ## math

the temperature at 12 noon was 10 degree Celsius above 0.decrease at the rate of 2 degree Celsius per hour until midnight at what time would temperature be 8 degree Celsius below zero? what would be temperature at mid-night?

38. ## Algebra

In the metric system there are two official temperature scales: degree Celsius and kelvin. The kelvin temperature scale is obtained by shifting the Celsius scale so of any heat whatsoever. An equation about the relationship between the two scales follows:

39. ## Electrical Circuits

A length of copper telephone line has a resistance of 24Ω at 20 degree Celsius. What it its resistance on a hot summer day when its temperature rises to 36 degree Celsius.

40. ## Physics

At room temperature of 30 degree celsius, a glass of water takes one minute to cool from 80 degree celsius to 60 degree Celsius. How long will it take to further cool from 60 degree celsius to 50 degree celsius?

41. ## Math

Problem Solving Work Backward The temperature was 16 degree Celsius when Becky returned home at 6 p.m. The temperature was 4 degree Celsius warmer at 3 p.m. than it was at 6 p.m. It was 3 degree Celsius warmer at 12 noon than it was at 3 p.m. What was the

42. ## physics

A faulty Celsius thermometer reads 0.7 at the melting point of pure ice and 99.5 degree Celsius at the boiling point of water at normal pressure. (a) what is the correct temperature when it read 60 degree Celsius. (b) at what temperature will it's

43. ## science

A copper calorimeter weighs 100g when empty, 400g when half full of water at 0 degrees Celsius, and 450g when ice at 0 degree Celsius is added. When some steam is passed into the mixture, its temperature is raised by 10 degrees Celsius. Find the quantity

44. ## Chemistry AP

I'm using Zumdahl 7th Edition Chemistry Book and I'm having trouble with some practice problems in the first chapter. Here are a few: 87: Sterling silver is a solid solution of silver and copper. If a piece of a sterling silver necklace has a mass of 105.0

45. ## Physics

A copper wire has a resistance of 20 ohm at a temperature of 0 degree celsius and 28 ohm at 100 degree celsius.what is temperature coefficient of resistivity of copper?

46. ## physics

A piece of copper of mass 40 grams at 20 degrees Celsius is placed in a copper calorimeter of mass 60 grams containing 50 grams of water at 10 degrees Celsius .ignoring heat losses,what will be the final steady temperature after stirring?(specific heat

47. ## physics

A piece of metal of mass 112g is heated 100 degree C.,and dropped into a copper calorimeter of mass 40g containing 200g of water at 16 derreC. Neglecting the heat loss, the specific het of the meatal is nearly,if the equilibrium temperature reached is

48. ## Chemistry (Help+Check)

Completion 1)Kilogram 2) 3) The mass of one cubic centimeter of water at 4c is one ___1___. Scientists commonly use two equivalent units of temperature, the degree __2___ and the ____3___. You have the first considerably in error. I will be happy to

49. ## Chemistry

A 41 g piece of ice at 0.0 degree Celsius is added to a sample of water at 8.6 degree Celsius. All of the ice melts and the temperature of the water decreases to 0.0 degree Celsius. How many grams of water were in the sample?

50. ## Physics

A piece of copper at 280 C is dropped into 1.1 kg of water at 25 C. If the equilibrium temperature is 30 C, what is the mass of the copper?

51. ## Physics

(1) 45 micro coulombs of charge is passed through a wire in 35 seconds. How many electrons does this represent? What is the current in the wire? (2) A piece of copper wire has a resistance of 5 Ohms at 20 degrees celsius. If another piece of copper wire at

52. ## Physics

a copper container of mass 80g contains 60g of a liquid at 20 degree Celsius. a piece of copper of mass 100g and temperature 100 degree Celsius is dropped into the liquid. if the final temp of the system is 59.7 degree Celsius then the specific heat

53. ## Physics

a piece of copper of mass 250gram at a temperature of 900 degree Celsius is quickly transformed to a vessel of negligible thermal capable containing 200 gram of water at 20degree Celsius.if the final temperature is 100degree celsius.what mass of water will

54. ## Physics

A piece of copper of ball of mass 20g is placed in a copper calorimeter of mass 60g containing 50g of water at 30 degree Celsius ignoring heat losses, calculate the final steady temperature of the mixture. (SHC of water = 4.2j/g/k)

55. ## physics

A 100 aluminum calorimeter contains 200g of water with an intial temperature of 15 degree celsius. if a 95g piece of copper heated to a temperatude 90 degree celsius is dropped into water, what will be the final temperature of the mixture? neglect heat

56. ## Physics 100

A 355-g piece of metal at 48.0 degree celsius is dropped into 111g of water at 15.0 degree celsius.If the final temperature of the mixture is 32.5 degree celsius what is the specific heat of the metal?

57. ## Physics

two hundred fifty grams of iron is heated from 27 degree Celsius to 300 degree Celsius . how much ice can be melted and raised to a temperature of 27 degree Celsius by hot iron?

58. ## PHYSICS

a copper cylinder is initially at 20.0 degree Celsius. At what temperature will its volume be 0.150% larger than it is at 20.0 degree Celsius?

59. ## chemistry

What mass of crystals will form when a hot saturated copper sulphate solution made by dissolving 60 g of copper sulphate crystals in 100 cm3 of water at 60 degree Celsius is cooled to 25 degree Celsius?

60. ## Physics

HOW MUCH HEAT IS ABSORBED WHEN THE BLOCK OF COPPER OF MASS 0.05kg and specific capacity 390j/kg is heated for 20 degree celsius and 70 degree celsius

61. ## Physics

A copper wire that has been heated to 520 degrees Celsius for pliability is plunnged into 350 mL of water at 18 degrees Celsius. The final temperature of the copper and water bath is 31 degrees Celsius. Find the mass of the copper wire

62. ## Science

A piece of copper at 90°C is added 2.200 KG of water at 15°C inside an aluminum calorimeter that has a mass of .100 KG the final temperature of the copper water and calorimeter is 25°C what is the mass of the copper piece

63. ## Chemistry

A sample of zinc with a mass of 14g was heated to 98 degree celsius in boiling water and then dropped into a beaker containing 4.5x10^4ng of water at 25 degree celsius. when the water and metal came to thermal equilibrium, the temperature is 29 degree

64. ## Electrotechnics

The field coil of a machine is wound with 700 turns of copper wire of cross sectional area 0,375mm^2 .The mean length per turn is 400mm and thr resistivity of copper is 16×10^-3 micro ohm at 0 degrees Celsius. Determine the resistance of the coil at

65. ## Physic

faulty Celsius thermometer reads 0.7 at the melting point of pure ice and 99.5 degree Celsius at the boiling point of water at normal pressure. (a) what is the correct temperature when it read 60 degree Celsius. (b) at what temperature will it's

66. ## Physics

A piece of copper ball of mass 30grams at 150 degree celcius is placed in a copper calorimeter of mass 70gams containing 60grams of waterof copper 40degree celcius if the final ofthe mixture is 50degree celcius calculate the specific heat capacity of

67. ## Physics

A piece of copper ball of mass 20g at 200°c is placed in a copper calomiter of mass 60g containing 50g of water at 30°c ignoring heat losses.calculate the final steady temperature of the mixture

68. ## Math

From 6:0000 a.me to 11:00 a.me the temperature went up steadily at 40 degree Celsius at a rate of 2 each hour. How many degree Celsius did it increase? What was the temperature at 6:00 a.m? Solve it using block method

69. ## PHYSICS 102E

(0.2kg)(4190J/kg.degree Celsius)(T-70 degrees Celsius)+(0.1kg)(390J/kg.degree Celsius)(T-20 degrees Celsius)= 0. how will I equate it to get the final Temperature? I don't understand how did they get the answer of T=67.8 degrees Celsius. can someone

70. ## physics

a 200g aluminum container has 500g of water with an initial temperature of 22 degree celsius. The following heated pieces of metal are dropped into water at the same time as follows: 300g piece of aluminum heated at 100 degree celsius; a 50g piece of

71. ## physics

Pls help me God will bless you all. A piece of copper ball of mass 20 g at 200 degree Celsius is placed in a 50 g of water at 30 degree Celsius, ignoring heat losses, calculate the final steady temperature of the mixture. Specific heat capacity of

72. ## Chemistry

What volume of 15 degree celsius water must be added to a 1.2KG piece of stainless steel at 85 degree celsius so that the final temperature is 35 degree celsius. assume the container in which the mixing takes place is perfectly insulated.

73. ## physics 2

two hundred fifty grams of water at 80 degree celsius is poured into a styrofoam cap of negligible heat capacity containing 180g of water at 10 degree celsius. after an additional 300 g of water to the cap, the mixture comes to the equilibrium temperature

74. ## Chemistry

When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?

75. ## Chemistry

When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?

76. ## Chemistry

When a 77 g piece of metal with a temperature of 88 Degree Celsius is placed into 277 g of water having a temperature of 20 degree Celsius, the final temperature of the metal and water is 23.3 degree Celsius. What must be the specific heat of the metal?

77. ## chemistry

a piece of iron reacts with sulfuric acid and produces 250 dm^3 hydrogen gas at 27 degree celsius temperature and 99.99 kPa. Find out the mass of that piece of iron?

78. ## chemistry

a piece of iron reacts with sulfuric acid and produces 250 dm^3 hydrogen gas at 27 degree celsius temperature and 99.99 kPa. Find out the mass of that piece of iron?

79. ## physics

a .300 kg piece of metal is heated to 88 degrees celsius and placed in a copper calorimeter with a mass .150 kg which contains .500kg which contains .500 L of water that are both initially at 12.6 degrees celcius. Over short period of time the mixture

80. ## Physics

an iron of diameter 4 cm at 25 degree and a cylinder of diameter 4.002 cm is made of the same material at the same temperature. to what temperature the ring should be heated so that the cylinder passes through the ring easily.? a) 41.6 degree Celsius b)

81. ## unp

How much thermal energy will flow per hour through a copper rod 5.00 cm in diameter and 1.50 m long, if one end of the rod is maintained at a temperature of 22.5 degree Celsius and the other end at 20.0 degree Celsius?

82. ## college physics

A cube of ice is taken from the freezer at -9.5 degree Celsius and placed in a 99 g aluminum calorimeter filled with 327 g of water at room temperature of 20.0 degree celsius. The final situation is observed to be all water at 17.0 degree Celsius. What was

83. ## science, absolute zero

what is absolute zero? if 0 kelvin is the lowest temperature we can ever get, then does it mean that -273 degree Celsius is the lowest temperature we can reach? the book said "when we remove all of the energy from something, its temperature will be zero

84. ## Physics

A 40 Celsius the thermometer leads to 0.7 degree Celsius at the melting point or pure ice and 98.5 degree Celsius at the boiling point of water at abnormal pressure what is the correct temperature when it leads 30 degree Celsius (b) At what temperature is

85. ## college algebra

1.the temperature dropped 12 degree below a previous temperature of 37.5degree C.What was the resulting temperature? 2.What is the value of thirty-two more than a nine-fifths of the Celsius reading (degreeC),if the value of degree Celsius is 85?

86. ## Mathematics

The temperature at midnight on a cold winter night is -2 degree Celsius 12 hours later the temperature increase by 9 degree Celsius. What was the temperature in noon.

87. ## Physics

By what factor is the resistance of a copper wire changing when its temperature is increased from 20 degrees Celsius to 120 degrees Celsius? The temperature coefficient of resistivity for copper = 3.9 x 10^-3 (C)^-1.

88. ## Finance

Given an interest rate of 6.25% compounded annually, how much would you accumulate if you started with \$3,250 and then contributed \$1,950 per year (at the end of each year) for 13 years? Is this correct? Calculate each FV and sum? PV1 = 3,250 i = 6.25% N =

89. ## Chemistry

One piece of copper jewelry at 101°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

90. ## chemistry

One piece of copper jewelry at 104°C has exactly twice the mass of another piece, which is at 43.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387

91. ## industrial process

the exhaust gases from an oil engine are passed through a water heater. the gasses have a specific heat of 1.0467KJ/kg-K and the temperature falls from 420 degree Celsius to 150 degree Celsius is flowing through the heater. the flow being 25 Kg/min. if the

92. ## Physics

A blacksmith dropped a1.5kg iron bead at 300 degree Celsius into some quantity of water , if the temperature of the water rose from 15 to 18 Celsius, what is the mass of water assuming no heat is lost to the surrounding ( take specific heat of iron as

93. ## chemistry

the heat capacity of copper is 0.382J/g degrees celsius. a 22.6g sample of copper at 93 degrees celsius is placed in 50g of water at 23.9 degrees celsius. what is the final temperature of the system?

94. ## chemistry

Rank the size of a change in temperature of one degree fahrenheit, one degree celsius, and one kelvin. Ok I can't seem to get this question right no matter what I do. Isn't one fahrenheit degree the largest then celsius and kelvin? There are 180 fahrenheit

95. ## science

C=5/9(F-32) The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is

96. ## physics

a copper cylinder has a radius of 2.5 cm and a length of 5.6 cm at 20 degree Celsius. The rod is heated until its temperature is 85 degree Celsius. Find the density at 85 degree Celsius.

97. ## Chem 103

a piece of gold is heated to 100 degrees celsius. A piece of copper is chilled in an ice bath to 0 degrees celsius. Both pieces of metal are placed in a beaker containing 150 g of water at 20 degrees celcius. Will the temperature of the water be greater

98. ## science

how much heat is required to heat 500 g of copper from 20 degree celsius to 80 degree celsius? specific heat of copper is 0.093 cal/g- degree celsius

99. ## physic

a faulty thermometer reads 0.7 degree celsius at the ice point and 99.5 degree celsius at the steam point. What is the temperature when it reads 30 degree celsius? and what temperature will its reading be exactly correct?

100. ## chemistry

Calculate the decrease in temperature in degree Celsius for 115g of copper that loses 2.54kJ