8. In an experiment, a 0.240-kg piece of ceramic superconducting material at 19 °C is placed in liquid nitrogen at its boiling point (-195.8 °C) to cool. The nitrogen is in a perfectly insulated flask that allows the gaseous N2 to escape immediately. How much mass of liquid nitrogen will be boiled away? (Take the specific heat of the ceramic material to be the same as that of glass.) (171 grams 9. A0.450-kg of ice is initially at temperature of –8.0 °C. How much heat is required to melt three-quarters the mass of the ice only? 8683.875 J

Q: A styrofoam cooler has a thickness of 1.10 cm and a total surface area of 2.20 m². If the outside…

A: Given data: Thickness of the cooler, d=1.10 cm =1.10×10-2 m Surface area of the cooler, A=2.20 m2…

Q: Fused quartz possesses an exceptionally low coefficient of linear expansion, 5.50 × 10-7 (°C)-!.…

A:

Q: 9. A container made of a metal has a mass of 3.5 kg and contains 19 kg of water. A 0.050 kg cube of…

A: The temperature at which ice melts is called the melting point. The melting point of ice is 0 °C.

Q: How many joules of heat does 620 g of mercury require to go from a solid at -38.9 degrees celcius to…

A: Given,

Q: 9. In an experiment, a 0.220-kg piece of ceramic superconducting material at 15 °C is placed in…

A: The equation for the heat transfer is given by, Here, m, c and ΔT represent the mass of the ceramic…

Q: What must be the height of a 200mm diameter vertical pipe carrying hot liquid so that the…

A: Convection is the flow of heat by the movement of molecules from the hotter region to the colder…

Q: 84724.64 HOU-00P CHCd 6. How much heat in Joutes is required to raise the temperature of 0.44kg of…

A:

Q: 1. How much energy is lost by 20 kg copper if it is cooled from 50°C to 30°C?

A: Mass of Copper = m = 20 kg Change in temperature = ∆T=50° C-30° C=20° C Specific heat of Copper = C=…

Q: How many joules of heat must be added to the 5.0kg of water at 20°C to bring it to the boiling point…

A: Given data: Mass (m) = 5.0 kg Initial temperature (T0) = 20°C Final temperature (T) = 100°C Specific…

Q: Judy places 161 g of boiling water in a thermos bottle. How many grams of ice at -11.9°C must Judy…

A:

Q: Judy places 165 g of boiling water in a thermos bottle. How many grams of ice at -11.8°C must Judy…

A:

Q: Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer…

A: Given Data The area of the cross-section is A = 1 m2. The temperature of fresh lava is Tl = 1100°C.…

Q: 1.00 kg of liquid nitrogen (N2) at its boiling/vaporization point (-195.81 °C) is poured into a…

A:

Q: 1) Lake Erie contains roughly 4.00 x 1011 m 3 of water. How much energy is required to raise the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The Kilauea volcano in Hawaii is the world’s most active, disgorging about 5×105 m3of 1200ºC lava…

A: specific heat, c = 790 J/kg C Volume ,V = 5 x 105 m3  density, d = 2700 kg/m3  T = 1200 ºC T' = 30…

Q: An incandescent light bulb with a surface area of 0.0145 m2 and an emissivity of 0.87 has a surface…

A:

Q: Fused quartz possesses an exceptionally low coefficient of linear expansion, 5.50 x 10-7 (°C)-.…

A: Given data: Coefficient of linear expansion (α) = 5.50×10-7 (°C)-1 Original Length (L0) = 3.13 m…

Q: Aluminum has a thermal conductivity of 200 W/(m.C°). The bottom of an alu- minum pot is 2.14 mm…

A: Thermal conductivity of Al, k= 200 W/(m.C) thickness of pot, l= 2.14 x 10-3 m Area, A= 0.0314 m2…

Q: A wall is built of two metals (copper and aluminum) that are in thermal contact with each other. If…

A:

Q: An incandescent light bulb with a surface area of 0.0108 m2 and an emissivity of 0.87 has a surface…

A: Given that, Surface area of the bulb(A)= 0.0108 m² Emissivity (e)= 0.87 Temperature of the surface…

Q: Indigenous peoples sometimes cooked in watertight baskets by placing enough hot rocks into the water…

A:

Q: What is the net power that a person with surface area of 1.20 m2 radiates if his emissivity is…

A: Given: The surface area is 1.2 m2. The emissivity is 0.895. The skin temperature is 27oC. The room…

Q: To sterilize a 49-g glass baby bottle, we must raise its temperature from 22.0°C to 95.0°C. - How…

A: Given data:  Mass (m) = 49 g = 0.049 kg Initial temperature (T0) = 22.0°C Final temperature (T) =…

Q: Fused quartz possesses an exceptionally low coefficient of linear expansion, 5.50 × 10-7 (°C)-!.…

A: Given data The coefficient of linear expansion is α=5.5×10-7/°C. The initial length of the bar is…

Q: Fused quartz possesses an exceptionally low coefficient of linear expansion, 5.50 × 10-7 (*C)-1.…

A: Using an equation,    L = L0T where, L0 = length of fused quartz = 3.45 m  = coefficient of linear…

Q: When you go out to your car one cold winter morning you discover a 0.80-cm thick layer of ice on the…

A:

Q: 7- Using a gas thermometer with a constant volume to measure the temperature, the pressure at 0 C…

A:

Q: How much heat (in kJ) must be added to completely transform the liquid water (at the melting point)…

A:

Q: The thermal conductivity of ice is 5.2 x10−4kcal/m-s-°C. At what rate is heat lost by the water in a…

A:

Q: In an experiment, a 0.240-kg piece of ceramic superconducting material at 21 °C is placed in liquid…

A:

Q: 10. A steel section of the Alaskan pipeline had a length of 65 m and atemperature of 18 8C when it…

A: The change in length can be given by ∆L=αL0∆T

Q: How much heat is conducted through a sheet of plate glass, k=0.0024 cal/cm2-sec-°C/cm, which is 2.0…

A: We have to find that much heat is conducted through a sheet of plate glass, k=0.0024…

Q: Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer…

A: Given:-  The area  A = 1.59 m2 The temperature Tf = 1219o C and Ti = 21oC  The emissivity e = 1.0…

Q: 5. What mass of water at 25.0°C must be allowed to come to thermal equilibrium with a 1.85-kg cube…

A: When thermal equilibrium is reached, the water and aluminum will have a common temperature of…

Q: 92. ao If the price of electrical energy is $0.10 per kilowatt · hour, what is the cost of using…

A: The volume of swimming pool containing water is, V=12.0×9.00×1.5V=162m3

Q: How much heat is needed to change 2 kg of ice at -10°C to steam at 100°C?

A: Heat required is given by: Q = Q1 + Q2 + Q3 + Q4 Q1 = Heat required from -10 C ice to 0 C ice Q2 =…

Q: 19.7 A 5 kg aluminium plate at a temperature of 20 °C is brought into thermal contact with a 9 kg…

A:

Q: How many kilograms of -25°C ice per day will melt and evaporate to steam after adding a total of…

A:

Q: A 4 cm diameter and 6 cm long cylindrical rod at 1000 K emits a 385 kJ of radiation in 20 minutes.…

A:

Q: Two rooms, each a cube 4.5 ?? per side, share a 12 ???? thick brick wall. Because of a number of 100…

A:

Q: 2. Find AH for the heating of H2 (g) from 0.°C to 100°C, given C, = 29.066 – (0.8364 x 10-3T +…

A: Given  Cp = 29.066 -( 0.8364*10-3*T ) + 20.12*10-7*T2  Let  Cp = a +b*T +c*T2

Q: 42) The melting point of copper is 1085°C, its latent heat of fusion is 205 kJ/kg, and its specific…

A: Given that melting point of the copper and latent heat of fusion of copper and specific heat of the…

Q: What is quality? Does it have any meaning in the superheated vapor region?

A: The ratio of the mass of the vapor to the total mass of the mixture is known as quality. It is also…