To determine the specific heat of an object, a student heats it to 100 ∘C in boiling water. She then places the 68.3 g object in a 159 g aluminum calorimeter containing 102 g of water. The aluminum and water are initially at a temperature of 19.1 ∘C, and are thermally insulated from their surroundings. If the final temperature is 22.7 ∘C, what is the specific heat of the object? Referring to the table, identify the material in the object.   Substance Specific heat, J/(kg⋅K)J/(kg⋅K) Water 4186 Beryllium 1820 Aluminum 900 Glass 837 Silicon 703 Iron (steel) 448 Copper 387 Silver 234 Gold 129 Lead 128

Q: mass of cold water 50g temp of cold water 21 C mass of hot water 50g temp of hot water 56 C temp of…

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Q: A 50.0 g iron rod is heated to an unknown initial temperature. While cooling down to a temperature…

A: According to equation of specific heat -  Q=mc∆T Where,  Q= Heat gain and loss  m = Mass  c =…

Q: A student measures the following data in a calorimetry experiment designed to determine the specific…

A: Given data: Initial temperature of water and calorimeter, T0 = 70.08 oC Mass of water:  mw = 0.400…

Q: The same amount of heat entering identical masses of different substances produces different…

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Q: A student measures the following data in a calorim- etry experiment designed to determine the…

A: given: initial temperature of water and calorimeter = 70o Cmass of water = 0.400 kgmass of…

Q: During the time when a man had flu he ran a fever 2.0°c above normal. His body temperature was 39°c…

A: Given that Change in temperature is ∆θ = 2°C Mass m = 80 kg Specific heat capacity C =4186 J/kg°c

Q: An electrical current heats a 251 g copper wire from 21.6°C to 40.8°C. How much heat was generated…

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Q: A 10 kg piece solid of aluminum, which has a specific heat of 900 J/(kg⋅°C), is warmed so that its…

A: Given : m = 10 kg c = 900 J/(kg.°C) ∆T = 3°C

Q: How much heat must be added to 0.5 kg of water at room temperature (20oC) to raise its temperature…

A: Mass of water, m=0.5kg Initial temperature, Ti =20°C Final temperature, Tf = 40°C Specific heat of…

Q: A 680 cm X 1000 cm house is built on a 17.2 cm thick concrete slab of thermal conductivity 0.8…

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Q: A block of aluminum at a temperature of T1 = 31 degrees C has a mass of m1 = 14 kg. It is brought…

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Q: *13. A cubical piece of heat-shield tile from the space shuttle measures 0.10 m on a side and has a…

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Q: How much energy is required to raise the temperature of 6.95 kg of water from 27.40oC to 54.69oC?…

A: Energy is the capacity to carry out work. The amount of work completed when the energy is released…

Q: A 82/10 Kg block of copper initially at 250 ̊C is dropped into a bucket containing 5 Kg of water at…

A: Given:          initial temperature, Ti= 2500C          specific heat of copper= 385 J/kgC…

Q: A 700 cm X 1360 cm house is built on a 13.2 cm thick concrete slab of thermal conductivity 0.62…

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Q: The mass of an object is 0.201 kg. The object requires 15.0 J of heat to raise its temperature by…

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Q: A closed box is filled with dry ice at a temperature of -80.9 oC, while the outside temperature is…

A: Given values: Temperature of dry ice, T1=-80.9 °C Outside temperature, T2=28.4 °C Side of the cube,…

Q: A piece of iron, which has a specific heat capacity of 0.452 J·g–1·˚C–1, with a mass of 54.3218 g is…

A: According to question--- Given value--- mass of iron piece = 54.3218 g. Specific capacity of iron =…

Q: Knowledge of the specific heat of the human body, along with information about how much heat is…

A: Given that:Initial temperature, Ti=37°CTotal time of excersize, t=35 minEnergy expenditure, ε=10…

Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…

A: the specific heat of the metal is 2.127cal.gm. °C

Q: Let us represent the body's surface tissue as layer of thickness X1=5 cm which has a thermal…

A: The rate of heat loss is given by  H = K A (T' - T)x where, K is the coefficient of thermal…

Q: A 0.826 kg sample of lead is in its solid state at its freezing temperature of 328 C. how much…

A: Consider the lead of mass m having latent heat of fusion Lf.

Q: A closed box is filled with dry ice at a temperature of -93.7 oC, while the outside temperature is…

A: The rate of heat conduction is given by

Q: Question 16 A granite wall has a thickness of 78 cm, an area of 7.33 m by 2.85 m and a thermal…

A: Given:Thickness of granite wall, L = 78 cmArea of granite wall, A = 7.33×2.85 = 20.8905 m2Thermal…

Q: A sample of a liquid has a mass m and a specific heat capacity c.  When an amount of heat Q is…

A: The heat supplied to a mass can be expressed, dQ = mc dT Where, dQ = heat supplied  m = unit mass  c…

Q: A 4.90-kg steel ball at 26.6°C is dropped from a height of 21.8 m into an insulated container with…

A: Given : Mass of steel (ms) = 4.90 kg Temperature of steel (Ts) = 26.6°C  Height (h) = 21.8 m Volume…

Q: If 100.4KJ of heat are added to 6.20 *10 ^2g of water at 22 degrees Celsius, what is the final…

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Q: Two blocks of metal are in contact with one another. The first block has mass 9.6 kg, specific heat…

A: Given: The mass of the first block is 9.6 kg. The mass of the second ball is 8.3 kg. The specific…

Q: A 2.80-kg steel ball at 24.7°C is dropped from a height of 15.4 m into an insulated container with…

A: mass of steel ball ms= 2.80kg temperature of steel ball is Ts= 24.7o C height of the ball h = 15.4 m…

Q: copper rod is 0.867 m long with a rectangular cross section of dimensions 0.0423 m by 0.0729 m. The…

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Q: How much energy is required to raise the temperature of 6.52 kg of water from 24.67oC to 54.88oC?…

A: Given m=6.52 Kg T1=24.67 degree celsius T2=54.88 degree celsius C=4186 J/kg-C0

Q: A 0.867 kg sample of ethanol is in its liquid state at its boiling temperature of 78 C. If 1.93e5 J…

A: Consider an ethanol of mass m having latent heat of vaporization Lv and Qgiven is the amount of heat…

Q: The change in temperature of a substance when heated, depends on its specific heat capacity. a. If…

A: Given: Specific heat capacity of lead (Clead)=120 J/kgk Mass of lead ball (m) = 0.50 kg Initial…

Q: What is the rate of heat transfer by radiation, with an unclothed person standing in a dark room…

A: Given: The ambient temperature of the room is 22.0 C. The normal temperature of the skin is 33.0 C.…

Q: A calorimeter is made from 0.15 kg of aluminum and contains 0.2 kg of water. Initially, the…

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Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 27.6°C is placed in a freezer. What is the…

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Q: A 50.0-g piece of brass (specific heat 380 J/kg K) is heated to 90.0° C and immersed in 100 g of…

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Q: 2.4 g of water was evaporated from the surface of skin. How much heat, in the unit of kJ, was…

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Q: A 780 cm X 1320 cm house is built on a 12 cm thick concrete slab of thermal conductivity 0.68 W/m.K.…

A: Given that--- A 780 cm X 1320 cm house is built on a 12 cm thick concrete slab of thermal…

Q: The same amount of heat entering identical masses of different substances produces different…

A: The amount of heat required to raise the temperature is

Q: A closed box is filled with dry ice at a temperature of -81.3 oC, while the outside temperature is…

A: we will use formula of heat energy. 81.3+273= 354.3 kelvin 21.5+273= 294.5 kelvin

Q: A copper cylinder has a mass of 0.0758 kg and a specific heat of 386 J/kg Co. It is heated to 80.5°…

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Q: To speed the process of ice melting, you can smash the ice up into smaller pieces, via a tool such…

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Q: A person pours 330 g of water at 45°C into an 855-g aluminum container with an initial temperature…

A: Heat supplied, Q=mc∆T. Also notice the specific heat is same whether in K or degree centigrades.

Q: A granite wall has a thickness of 76.3 cm, an area of 5.61 m by 2.95 m and a thermal conductivity of…

A: Given  thickness(d)=0.763 m area(A)=5.61 x 2.95 m2 conductivity (k)=2.1 W/(m 0 C) T2=28.2 oC…

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.