A 9.70-kg steel ball at 18.9°C is dropped from a height of 16.2 m into an insulated container with 4.50 L of water at 10.1°C. If no water splashes, what is the final temperature of the water and steel? The specific heat of steel and water is 450 J/(kg-K) and 4186 J/(kg·K) respectively. °C

A 0.200-kg mass of metal with a specific heat of 1255.8 J/kg-°C, initially at 90°C, is placed in a 0.500-kg calorimeter, with a specific heat of 418.6 J/kg-°C, initially at 20°C. The calorimeter is filled with 0.100 kg of water, initially at 20°C. The specific heat of water is 4186 J/kg-°C. What is the final temperature once the combination of metal, calorimeter, and water reach equilibrium? O 70°C 40°C 60°C O 50°C

Specific heat (c) J/kg C 900 Problem 6: Consider a 0.775 kg aluminum pot containing 2.35 kg of water. Substances Solids Aluminum kcal/kg-C 0.215 Concrete 840 0.20 Copper 387 0.0924 Glass 840 0.20 Human Body (37°C) 3500 0.83 Iron, steel 452 0.108 Liquids Water 4186 1.000 Mercury 139 0.0333 Part (a) How much heat, in kilocalories, must be transferred to raise the temperature of the aluminum pot and the water from 30.0°C to the boiling point of water and then boil away 0.775 kg of water (L, = 539 kcal/kg)? Q = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E 6. atan() acotan() sinh() 1 2. 3 cosh() tanh() cotanh() + END ODegrees O Radians Vol BACKSPACE DEL CLEAR Feedback I give up! Submit Hint Part (b) How long, in seconds, does this take if the rate of heat transfer is 500 W?

If you have 0.276 m of water at 25.0 °C in an insulated container and add 0.112 m³ of water at 95.0 °C, what is the final temperature T; of the mixture? Use 1000 kg/m² as the density of water at any temperature. T; = °C

A 0.70-kg piece of metal is heated to 80.0 °C and dropped into an ideal calorimeter containing 1.2 kg of water initially at 30.0 °C. What is the final equilibrium temperature of the piece of metal? The specific heat capacity of the piece of metal is 140 J/(kg · C°); and the specific heat of water is 4186 J/(kg ·C°). Hint: start with Qin = Qout O a) 31.0 °C O b) 18.2 °C c) 21.5 O d) 24.5 °C e) 21.3 °C f) 32.6 °C

A large steam pipe is covered with a 4.80 cm thick insulating material with a thermal conductivity of 0.17 W/(m°C). How much energy is lost every second when the temperature of the steam inside the pipe is at 265 °C and the temperature outside of the pipe is 13.0 °C? The pipe has a diameter of 3.70 m and a length of 185 m. Neglect losses through the ends of the pipe. 3863.3 J

An aluminum cup with mass 0.34 kg holds 0.36 kg of water. Both the cup and the water have a temperature of 12.°C. If a 0.13-kg piece of copper at 62.°C is added to the cup, what is the final equilibrium temperature in °C? You may assume that the cup, water, and copper are well insulated from anything else.

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 water (specific heat 4184 J/kg K), initially at 15.0° C c. The well-insulated container is then sealed and allowed to reach thermal equilibrium. What is the final temperature of the system? 18.3° C 13.7° С 24.8° C 36.3° C 12.9° C

Problem 11:   A mass m = 125 kg of lava at TH = 1155° C emerges from a volcano deep in the ocean. At this depth, the ocean water is at a temperature of TC = 2.1° C, and the lava cools and solidifies.The specific heat capacity of the lava for this process is c = 840 J/kg⋅°C and the latent heat of fusion of the lava is Lf = 4.0 × 105 J/kg.Assume that the temperature of the ocean does not change in this process. Part (a)  The lava cools to 700.0° C before solidifying. What is the change in entropy ΔS1 of the lava in joules per kelvin during this process? Part (b)  Calculate the change in entropy of the ocean waters ΔS2 in joules per kelvin during the cooling of the molten lava. Part (c)  Calculate the change in entropy of the lava ΔS3 in joules per kelvin when it solidifies. Part (d)  Calculate the entropy change of the ocean ΔS4 in joules per kelvin due to the solidification of the lava.

If you have 0.251 m³ of water at 25.0 °C in an insulated container and add 0.112 m³ of water at 95.0 °C, what is the final temperature T; of the mixture? Use 1000 kg/m³ as the density of water at any temperature. °C Tf =