a 0.25 kg length of aluminum wire is warmed 10.0 C by an electic current. how much heat was...
C aluminum= 0.22 kcal/kgC
please show work
Homework Answers
total heat generated = 0.55 Kcal or 2.3 KJ
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a 0.25 kg length of aluminum wire is warmed 10.0 C by an electic current. how much heat was...
A 0.500 kg piece of granite is heated 21.5 °C by a sitting in the sun...
A 0.500 kg piece of granite is heated 21.5 °C by a sitting in the sun and thereby absorbs 8.5 kcal of heat. What is the specific heat of the granite rock? . 4. An electric current heats a 221 g (0.221 kg) copper wire from 20.0 °C to 38.0 °C. How much heat was generated by the current? (copper = 0.093 kcal/kgCo) How much heat is required to change 0.500 kg of water from a liquid at 50. °C...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a freezer. What is the final temperature if 402 kJ of energy is transferred from the bowl and soup to the surroundings? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg·°C), frozen soup is 0.500 kcal/(kg·°C), and the heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg·°C)...
A 200.0 G CHINA SERVING BOWL IS WARMED 65.0 c WHEN IT ABSORBS 2.6 kcal of heat from a serving of...
A 200.0 G CHINA SERVING BOWL IS WARMED 65.0 c WHEN IT ABSORBS 2.6 kcal of heat from a serving of hot food. what is the specific heat of the china dish?please show work
(8%) Problem 7: A 0.25-kg aluminum bowl holding 0.75 kg of soup at 25.0°C is placed...
(8%) Problem 7: A 0.25-kg aluminum bowl holding 0.75 kg of soup at 25.0°C is placed in a freezer. show answer Incorrect Answer What is the final temperature, in degrees Celsius, if 377 kJ of energy is transferred from the bowl and soup, assuming the soup’s thermal properties are the same as that of water? Specifically, you can assume the latent heat of fusion for the soup is 334 kJ/kg. Specific heat (c) kcal/kg.C 0.215 0.20 Substances Solids Aluminum J/kg.C...
(a)How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg...
(a)How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg aluminum pot containing 2.00 kg of water from 45.0°C to the boiling point and then boil away 0.650 kg of water? _______kcal (b) How long (in s) does this take if the rate of heat transfer is 550 W (1 watt = 1 joule/second (1 W = 1 J/s))? ________s
iPad 6:32 PM * 33% Exit A 50.0 g silver spoon at 20.0°C is placed in...
iPad 6:32 PM * 33% Exit A 50.0 g silver spoon at 20.0°C is placed in a cup of coffee at 90.0°C. How much heat (in kcal) does the spoon absorb from the coffee to reach a temperature of 89.0°C? (Assume Csilver-0.056 kcal/kgC.) Question 13 1 pts A 200.0 g china serving bowl is warmed 65.0°C when it absorbs 2.6 kcal of heat from a serving of hot food. What is the specific heat of the china dish? Question 14...
How much heat (in J) is needed to increase the temperature of 8.11 kg of aluminum...
How much heat (in J) is needed to increase the temperature of 8.11 kg of aluminum from 16.75 to 88.26 deg-C?
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C...
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C to change it to water at 14 degree C? The specific heat of ice is 2050)/kg middot C degree. the specific heat of water is 4186 J/kg middot C degree, the latent heat of fusion of ice is 334,000 J/kg. and 1 cal = 4.186 J. A) 140 kcal B) 780 kcal C)730kcal D)810kcal E) 180 kcal
How much heat must be added to 0.45 kg of aluminum to change it from its...
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(a) How much heat transfer (in kcal) is required to raise the temperature of a 0.600...
(a) How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg aluminum pot containing 3.00 kg of water from 20.0°C to the boiling point and then boilway 0.650 kg of (b) How long (ins) does this take if the rate of heat transfer is 600 W (1 watt - 1 Joule/second (1 W = 1/s))?
A 0.500 kg piece of granite is heated 21.5 °C by a sitting in the sun and thereby absorbs 8.5 kcal of heat. What is the specific heat of the granite rock? . 4. An electric current heats a 221 g (0.221 kg) copper wire from 20.0 °C to 38.0 °C. How much heat was generated by the current? (copper = 0.093 kcal/kgCo) How much heat is required to change 0.500 kg of water from a liquid at 50. °C...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a freezer. What is the final temperature if 402 kJ of energy is transferred from the bowl and soup to the surroundings? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg·°C), frozen soup is 0.500 kcal/(kg·°C), and the heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg·°C)...
iPad 6:32 PM * 33% Exit A 50.0 g silver spoon at 20.0°C is placed in a cup of coffee at 90.0°C. How much heat (in kcal) does the spoon absorb from the coffee to reach a temperature of 89.0°C? (Assume Csilver-0.056 kcal/kgC.) Question 13 1 pts A 200.0 g china serving bowl is warmed 65.0°C when it absorbs 2.6 kcal of heat from a serving of hot food. What is the specific heat of the china dish? Question 14...
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C to change it to water at 14 degree C? The specific heat of ice is 2050)/kg middot C degree. the specific heat of water is 4186 J/kg middot C degree, the latent heat of fusion of ice is 334,000 J/kg. and 1 cal = 4.186 J. A) 140 kcal B) 780 kcal C)730kcal D)810kcal E) 180 kcal
(a) How much heat transfer (in kcal) is required to raise the temperature of a 0.600 kg aluminum pot containing 3.00 kg of water from 20.0°C to the boiling point and then boilway 0.650 kg of (b) How long (ins) does this take if the rate of heat transfer is 600 W (1 watt - 1 Joule/second (1 W = 1/s))?
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