Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. The water is initially at 25°C, and the ice comes directly from a freeze at -15°C, what is the final temperature of the drink when the drink reached thermal equilibrium? (Cice=2100 J/kg-C; Lv=334,000 J/kg; Cwater=4184 Jikg-C)

Q: On a cold winter day, the outside temperature is -5.0 degrees celsius while the interior of a…

A: Heat transfer takes place when there is a temperature difference between two objects. The…

Q: The recommended daily allowance for an average adult that does not want to gain or lose weight is…

A: Given Data, The recommended daily allowance for an average adult (Q)=2000 cal Initial temperature…

Q: In Newton's rings experiment where light with λ = 420 nm is incident normally, if the radius of the…

A:

Q: A glass window is 3.7 mm thick, is 2.29 m tall by 1.04 m wide, and has a thermal conductivity of 1.0…

A: Given , thickness = 3.7 mm height = 2.29 m Width = 1.04 m Thermal conductivity k = 1 W/m K Inside…

Q: A 755-g sample of water is heated from 5.50°C to 98.40 °C. Calculate the amount of heat absorbed (in…

A: The amount of heat absorbed by the water can be determined as, Here, m, cw, Ti and Tf   represent…

Q: A 0.1375-g sample of magnesium is burned in a constant-volume bomb calorimeter that has a heat…

A: Solution:-Given thatmass of magnesium (m)=0.1375 gHeat capacity of constant bomb calorimeter…

Q: Q.2/A thermocole cubical ice box of side 30 cm has a thickness of 5.0 cm. If 4.0 kg of ice is put in…

A:

Q: A 15.6 L aluminum pot filled to the brim with 4.99˚C water.  How many litres of water will overflow…

A: Given:- A 15.6 L aluminum pot filled to the brim with T1=  4.99˚C water. when the temperature of the…

Q: A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final…

A: Heat energy lost= heat energy gained Here, heat is lost by the metal and gained by water. Given:…

Q: soup , with temperature of 60 o C is transferred in a cup with total surface area heated of 0.75 m2.…

A: Given Temperature of Soup TS = 60°C Transfer of heat H = 100 W Coefficient of heat transfer h = 150…

Q: 950 g of preheated pizza (at 295.15 K) cools down after 45 minutes left in the kitchen. If the…

A: As per Newtown's law of cooling the rate at which any body cools is proportional to the difference…

Q: An electronics device generates 30.5 W of heat energy during normal operation. The heat is…

A:

Q: A study showed the average basal metabolic rate of a human to be about 1500 kcal/day (6279 kJ/day).…

A: Given information; Here, Q is the heat released in 24 hours from the body due to the metabolism…

Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…

A:

Q: A picture window has dimensions of 1.34 m by 2.65 m and is made of glass 5.93 mm thick. On a winter…

A: dimensions=1.34×2.65thickness=5.93 mmoutside temp=20°Cinside temp= 19.5 °C

Q: What mass of steam at 100°C must be added to 1.00 kg of ice at 0°C to yield liquid water at 20 °C?…

A:

Q: The average thermal conductivity of the walls (including windows) and roof of a house in the figure…

A: The formulas used to solve the problem are listed below. The volume of gas that must be burned will…

Q: A metal plate 4.00 mm thick has a temperature difference of 32.0°C between 6. A metal plate 4.00 mm…

A: Ans:- Image-1

Q: The average thermal conductivity of the walls (including windows) and roof of a house in the figure…

A: Given: The thermal conductivity of walls is k=4.8×10-4 kW/m·∘C. The thickness of the walls is…

Q: In a warm room a naked resting person has a skin temperature of 33k°if the room temperature is…

A: Ans:- Image-1

Q: 2 A Thermopane window of area 5 m² is con- structed of two layers of glass, each 4.4 mm thick…

A:

Q: Ice of mass 12.8 kg at 0°C is placed in an ice chest. The ice chest has 2.7 cm thick walls of…

A: Given:mass of ice, m = 12.8 kginitial temp of ice, Ti = 0 oCthickness of the chest, x = 2.7 cm =…

Q: Problem 6: A massless spring (with force constant k = 197 N/m) connects a wall and a block of wood.…

A: Mass of block M=52.2 g, mass of bullet m=9.3 g and spring constant k=197 N/m. The bullet is fired…

Q: A wooden ice box has a total area of 1.50 m2 amd walls with an average thickness of 2.0 cm. The box…

A: Here,

Q: A 15.9 L aluminum pot filled to the brim with 7.85˚C water. How many litres of water will overflow…

A: Given, Vi = 15.9 L Ti = 7.85 °C Tf = 76.96 °C αw = 207 ×10-6 °C-1 αAl = 70 ×10-6 °C-1

Q: A 17.2 L aluminum pot filled to the brim with 8.58˚C water.  How many litres of water will overflow…

A: Given:- The volume o the aluminum VAl= 17.2 L  The water at the temperature T1 = 8.58o C The rising…

Q: How much energy (in Joules) is needed to be removed to freeze water, completely, so that all the…

A:

Q: Ex. 62: 1 kg of ice occupies 1.1 × 107 m² a pressure. The volume changes to 1.0 x 10 m' when it is…

A: To find-Internal latent heat of ice=?Given-V1=1.1×10-3 m3V2=1.0×10-3 m3L=80 kcal/kghρg=13600…

Calorimetry

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