During a marathon race David uses energy at a rate of 292 W. What volume of body fluid does he lose in the 5.5 hours of the race if 17.0% of the energy goes to the muscle tissue and the rest is used in removing the perspiration from the body. The latent heat of vaporization is 2.41*10^6 J/kg at 37.0°C and density of water is 1000 kg/m3. Answer in cubic meters.

Q: A jogger applies an ice pack to their injured leg that contains 0.608 L of water at 4 °C. How many…

A: Volume of water = V = 0.608 L = 608 ml Initial temperature of water = Ti=4° C Final temperature of…

Q: During a bout with the flu an 80 kg man ran a fever of 39.0°C (102.2°F) instead of the normal body…

A: Mass of terminator machine m =80 kg

Q: A freezer is to convert 1.87 kg of water at 27.6°C to 1.87 kg of ice at -3.4°C. If the coefficient…

A: Heat transfer.

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A: Given : Empirical equation of molar heat capacity  C = 0.07J/(mol K) + 33.2 J/(mol K2)T Amount of…

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: A 37 g sample of copper is at 22°C. If 821 J of energy are added to the copper, what is its final…

A: Given The mass of the copper is m = 37 g = 37 x 10-3 kg. The initial temperature is Ti = 22°C.  The…

Q: During a marathon race David uses energy at a rate of 272 W. What volume of body fluid does he lose…

A:

Q: A shell-and-tube heat exchanger with 2-shell passes and 12-tube passes is used to heat water (cp =…

A:

Q: The world's most active volcanoes, such as the Kilauea volcano in Hawaii, can disgorge about 5 ✕ 105…

A: Given: The volume of the lava is 5×105 m3. The initial temperature of the lava is 1025 °C. The final…

Q: A man with an average body temperature of 36.8°C drinks 450 ml of 7.0°C cold water. Ignoring his…

A:

Q: ice cube of mass 500 g and at 0 degrees * C is dropped into a cup containing 1kg of water at 70…

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Q: A solid cylindrical bar conducts heat at a rate of 133 w from a hot to a cold reservoir under…

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Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…

A: Given data: The mass of block is m=10 kg. The melting temperature is T=1063℃. The latent heat of…

Q: Following vigorous exercise, the body temperature of an 80.0 kg person is 40.0 °C . At what rate in…

A:

Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 95.5°C. The substance is…

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

Q: 31.0 m of water is converted into 1671 m³ of steam at atmospheric pressure and 100°C temperature.…

A: Using first law of thermodynamics, ∆U=∆Q-W

Q: - The increase in internal energy of 1kg of water at 100°C when it is converted into steam at the…

A:

Q: The world's deepest gold mine, which is located in South Africa, is over 5.3 km deep. Every day, the…

A:

Q: A freezer is to convert 1.5 kg of water at 27.9°C to 1.5 kg of ice at -4.42°C. If the coefficient of…

A:

Q: The maximum amount of water an adult in temperate climates can perspire in one hour is typically 1.8…

A:

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

A: The height of the triangular section of the support that holds the roof is:

Q: 2. A liquid-metal flows at a rate of 4 kg/s through a tube having an inside diameter of 0.05 m. The…

A: Given : Mass flow rate m˙=4 kg/s The inside diameter of tube D = 0.05 m Temperature T1=500 KT2=505 K…

Q: At a crime scene, the forensic investigator notes that the 6.2-gg lead bullet that was stopped in a…

A: Given: The mass of the lead bullet : m = 6.2 g (6.2 x 10-3 kg). The specific heat of lead: c = 130…

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

A:

Q: Steam in a heating system flows through tubes whose outer diameter is 3 cm and whose walls are…

A: The expressions for the corrected radius of the fin,   Substitute,

Q: Following vigorous exercise, the body temperature of a 75.0 kg person is 38.7°C. At what rate in…

A: Write the formula for the specific heat in terms of the energy transferred out. Write the formula…

Q: Steam at 320°C flows in a stainless steel pipe (k =15 W/m·K) whose inner and outer diameters are 5…

A: Diagram of the system:

Q: During a brisk run, an adult human generates heat at a rate of about 1350 W. To remove this heat by…

A: The amount of heat is Dividing equation (I) by time gives

Q: A freezer is to convert 1.75 kg of water at 27.5°C to 1.75 kg of ice at -4.63°C. If the coefficient…

A:

Q: Water with a mass of mW = 0.400 kg and temperature of TW = 18.5°C is poured into an insulated bucket…

A:

Q: A 2.6 kg lump of aluminum is heated to 93°C and then dropped into 9.0 kg of water at 5.1°C. Assuming…

A:

Q: A 2.9 kg lump of aluminum is heated to 94°C and then dropped into 8.0 kg of water at 5.4°C. Assuming…

A: given, mass of aluminium mal = 2.9 kg,  temperature of aluminium ,Tal = 94 o C = (94 +273) k = 367 k…

Q: A 60.0-kg runner expends 3.00 x 102 W of power while running a marathon. Assuming 10.0% of the…

A: Given:mass = 60 kgpower = 300 wenergy delivered = 10 %latent heat of vaporization of water is 2.41 X…

Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…

A: SOlution: Given that m = 10 kg L =  6.44×104 J/kg

Q: A 2.7 kg lump of aluminum is heated to 92°C and then dropped into 12.0 kg of water at 5.2°C.…

A:

Q: The enthalpy of evaporation of water is 40.67 kJ>mol. Sunlight striking Earth’s surface supplies…

A: The given values with suitable variables are listed below. Here, hv denotes the enthalpy of…

Q: The molar heat capacity of a certain substance varies with temperature according to the empirical…

A: Given data : Empirical equation =0.07 J/ mol K + (28.3 J/mol K2) T Number of moles= 4.3 mol of…

Q: A freezer is to convert 1.76 kg of water at 29.6°C to 1.76 kg of ice at -4.27°C. If the coefficient…

A: Given m=1.76 kg Cwater=4190 j/(kg. K) Cice=2100 j/(kg k) L=3.34 x 105j /kg

Q: Large steel plates 1.0-cm in thickness are quenched from 600°C to 100°C by submerging them in an oil…

A:

Q: Water with a mass of mW = 0.400 kg and temperature of TW = 18.5°C is poured into an insulated bucket…

A:

Q: A 60.0-kg runner expends 300 W of power while running a marathon. Assuming 10.0% of the energy is…

A: Determine the energy spent by the runner.

Q: A glass container has a total wall area (including the lid) of 1.75 m and a wall thickness of 1.5…

A: In this ,first we have to calculate the heat required to melt the ice. And that heat will come…

Q: A thirsty nurse cools a 2.40 L bottle of a soft drink (mostly water) by pouring it into a large…

A: We use the principle of calorimetry to solve this,  Q = m×c× dT Where,  dT = final temperature -…

Q: A 2.6 kg lump of aluminum is heated to 96°C and then dropped into 11.0 kg of water at 5.4°C.…

A: The heat lost will be equal to the heat gain. Here, mAl is the mass of aluminum, cAl is the…

Q: Cold water (cp = 4180 J/kg·K) leading to a shower enters a thin-walled double-pipe counter-flow heat…

A:

Calorimetry

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