A calorimeter cup is made from 0.15kg of Aluminum and contains 0.20 kg of water. Initially, the water and cup have a common temp of 18-degree Celcius. A 0.040 kg mass of unknown material is heated to a temp of 97-degree Celcius and then added to the water. The temp of the water, the cup, and the unknown material are 22-degree Celcius after thermal equilibrium is reestablished. Ignoring the small amount of heat gained by the thermometer, find the heat capacity of the unknown material.

Q: Solid A, with mass M, is at its melting point TA. It is placed in thermal contact with solid B, with…

A: Mass of A = M Melting point = TA Heat capacity of A = CA Temperature of B = TB Heat capacity of B =…

Q: A test is conducted to determine the overall heat transfer coefficient in a shell-and-tube…

A: The rate of heat transfer from the oil to the water is, '

Q: An aluminum (specific heat capacity = 0.90 J/g-°C) calorimeter of mass 100 g contains 261 g of water…

A: Given : mass of water, mw = 0.250 kg Mass of calorimeter, mc = 0.100 kg Specific heat of water, Cw =…

Q: An unknown material, m1 = 0.35 kg, at a temperature of T1 = 94 degrees C is added to a Dewer (an…

A:

Q: The north wall of an electrically heated home is 20 ft long, 10 ft high, and 1 ft thick, and is made…

A: The rate of the heat loss through the wall is

Q: An ice cube of mass 1.000kg and temperature −5.00 C is placed in a calorimeter. Then 0.200kg of…

A: Mass of ice (m) = 1 kg Mass of steam (m') = 0.2 kg Initial temperature of ice = - 5 degree C Initial…

Q: A perfectly insulated calorimeter has the following parts placed inside of it: 0.250 kg of water at…

A: The given values are,

Q: You wish to cool a 1.95 kg block of lead initially at 88.0 °C to a temperature of 57.0 °C by placing…

A:

Q: If you add 10 Cal to a cup of water and a piece of iron, both initially at the same temperature,…

A: Given: If you add 10 Cal to a cup of water and a piece of iron, both initially at the same…

Q: A 39.0 g block of ice at -10 oC is dropped into a calorimeter (of negligible mass) containing water…

A: Given:- A block mass = 39 g   ice temperature at -10°C is dropped into  calorimeter calorimeter…

Q: At room temperature, a typical person loses energy to the surroundings at the rate of 62 W. If this…

A: Given data :                 Rate of energy lost  = 62 W

Q: A “solar cooker” consists of a curved reflecting mirror that focuses sunlight onto the object to be…

A: Formula to calculate the mass of the water is,

Q: Overall, 80% of the energy used by the body must be eliminated as excess thermal energy and needs to…

A: Since there are multiple sub parts posted, we will answer the first three sub parts. a) The equation…

Q: A 200g copper bowl contains 100 g of wate, both at 25 degrees celsius. A very hot 300 g copper…

A: The amount of heat transferred to or from a sample (Q) can be calculated using the equation Q =…

Q: Initially you have mwater=4.2kg of water at Twater=66 degrees celcius in a insulated container. You…

A: Recall Q=mc∆T Also, principle of calorimetry. Heat lost by hotter body=heat gained by colder body

Q: Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot…

A: The heat of vaporization of the extraterrestrial life form = 167 cal/g. Mass of the sweat lost, m =…

Q: In the lab, you have nails with mass Mn and temperature Tn. You submerge those nails in the water…

A: Given data The Specific heat capacities of nails is,Cn=0.12 cal/gC The Specific heat capacities of…

Q: value of specific heat for copper is 390 J/kg⋅C, for aluminun is 900 J/kg⋅C, and for water is 4186…

A: According to principle of calorimetry Heat given by hot body = heat taken by cold body

Q: The inner and outer surface temperature of a 1 sq. ft. wall of a kiln are 1800 °F and 200 °F…

A:

Q: An aluminum (specific heat capacity = 0.90 J/g-°C) calorimeter of mass 100 g contains 268 g of water…

A:

Q: A block of metal of mass 0.220 kg is heated to 156.0°C and dropped in a copper calorimeter of mass…

A: Given, Mass of metal (m1) = 0.220kg Initial temperature of metal (Ti,metal)=156.0oC Final…

Q: gresa method

A: Given:- A room has a pine ceiling [ k1 = 0.12 W/(m•C°) ] that measures 3.0 m x 4.0 m x 2.0 cm the…

Q: A food chemist is testing out a new calorimetry device that measures the caloric value of their…

A: Write the information given in the question.

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 k) of energy are added to the…

A: Given:Mass(m)=2 kg , specific heat (cp)=900 J/kg.KAdded heat = 36000 JInitial temperature,Ti=10°=283…

Q: A 405-g sample of lead with specific heat cPb = 128 J/(kg · °C) at 87.0°C and a 220-g sample of…

A:

Q: An aluminum (specific heat capacity = 0.90 J/g-°C) calorimeter of mass 100 g contains 243 g of water…

A:

Q: alue of specific heat for copper is 390  J/kg⋅C∘ , for aluminum is 900 J/kg⋅C∘, and for water is…

A: Given  Specific heat of copper Ccu  = 390 J/kg °C Specific heat of aluminium CAl = 900 J/kg° C…

Q: The highest registered waterfalls in the world are those of Angel Falls, which is located in…

A: Given data The height of the waterfall is H = 807 m The temperature of the water at the top of the…

Q: A submarine holds 975 kg of dry air at 29.9 °C. While docking for resupply, the hatch is opened,…

A: Given data: mass of cool air, mcool = 66 kg mass of dry air, mdry = 975 kg the temperature  of cool…

Q: which energy is produced in the body when a person is at rest. A 75 kgkg (165 lblb) person of height…

A: Given:- The mass of the  person m= 75 kg  height h = 1.85 mm  The surface area A = 2.00 m2 the…

Q: A 2.00 kg block of ice at -10.0 °C is placed in a large bucket of pure liquid water at 0.00 °C. When…

A: Mass of ice , mice = 2 kg Temperature of ice , Tice = -10 °C Temperature of water , Tw = 0 °C To…

Q: A wood stove is used to heat a single room. The stove is cylindrical in shape, with a diameter of…

A: Given data The diameter of the stove is: d = 40 cm 0.4 m The length of the stove is: l = 49 cm =…

Q: Overall, 80% of the energy used by the body must be eliminated as excess thermal energy and needs to…

A: (a)P = σ A e (T4 - T4)

Q: On a hot day, the temperature of an 80,000-L swimming pool increases by 1.50C. What is the net heat…

A: Given: The volume of swimming pool is V=80000 L. The increase in temperature of swimming pool is…

Q: A composite plane wall consists of a L, = 75 mm thick layer of insulation ( k; = 0.05 W/m-K) and a…

A:

Q: A concrete slab (thermal expansion coefficient of 1.20 x 10-5 per degree Celsius ) is laid down with…

A: Given, Length of slab, Initial temperature, Final temperature, Thermal expansion of coefficient,…

Q: The walls of a furnace are made of 1.2-ft-thick concrete (k = 0.64 Btu/h·ft·°F and a = 0.023 ft2/h).…

A:

Q: A piece of unknown material has a mass of m, = 0.79 kg and an initial temperature of Ty = 76°C. The…

A: Mu= 0.79 kg , Tu= 76°C  Mw= 1.3kg, Tw = 18°C  Tf= 31°C  Cw= 4.18×103 J/kg°C  Cu= ?

Q: At what net rate (in kW) does heat radiate from a 250 m black roof on a night when the roof's…

A:

Q: A thermal window, with an area of 6.0m ^ 2, is constructed of two layers of glass, each 4.0mm thick,…

A: Given, Area of window, A=6 m2 Th. conductivity of window glass & air, k1=0.8 W/m.C∘ &…

Q: The basal metabolic rate is the rate at which energy is produced in the body when a person is at…

A:

Q: sphere emissivity = 0.42 of radius 25 cm is at 27 degrees celsius is placed in a room with a…

A: Given:- The sphere emissivity e = 0.42  The radius of the sphere = 25 cm = 0.25 m  The temperature…

Calorimetry

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