A 60.0-kg runner expends 359 W of power while running a marathon. Assuming 12.5% of the energy is delivered to the muscle tissue and that the excess energy is removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost per hour. (At 37.0°C the latent heat of vaporization of water is 2.41 ✕ 106 J/kg.) cm3

Q: The human body, while at rest, produces heat energy at a rate of about 117 W. How much sweat (in g)…

A: The heat energy evaporated  per minute is,   Q=Qt˙=117 W1 minute60 s1 minute=7020 J

Q: 7. Consider a material with a mass of 1.3 kg and a specific heat capacity of 1.7 J/kg°C. Compute for…

A:

Q: Approximately how much heat must be removed from 0.5 kg of 50 °C water to freeze it into 0 °C ice?…

A: Mass of water= ½ Kg Initial temperature of water, Ti= 273+50 K Latent heat of fusion= 334000 J/Kg…

Q: 1. A human hand is approximately 0.4 kg. Suppose an average rotisserie chicken has mass 1 kg and…

A: mass of hand = 0.4 kg mass of chicken = 1 kg specific heat of chicken = 2720 J/kg-K change in…

Q: Approximately how much heat must be removed from 0.5 kg of 50 °C water to freeze it into 0 °C ice?…

A: Given data: Mass of water m= 0.5 Kg The initial temperature of the water, Ti= 273+50 K=323K The…

Q: On a hot day, the temperature of a 76,000 L swimming pool increases by 1.10°C. What is the net heat…

A:

Q: If a leaf is to maintain a temperature of 40.0°C , it must lose 253 W/m2 by transpiration…

A:

Q: A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is heated…

A:

Q: 2. Find amount of heat removed from skin surface for each liter of sweat that evaporates from the…

A: Given information:Latent heat of vaporization (Lv) = 2.4 × 106 J/kgDensity of water (ρ) = 998.2…

Q: Blood can carry excess energy from the interior to the surface of the body, where the energy is…

A: Given:  Mass of blood = 0.1 kg Specific heat of blood = specific heat of water = 4200…

Q: Attached Question:

A: L = 12 m T = - 1.85 C  T' = 34.3 C  Y = 200 x 106 Pa α = 12 x 10-6 /C

Q: Answer all parts.

A: 11. (c) Yes but you can only determine whether the person's body temperature is higher or lower than…

Q: Following vigorous exercise, the body temperature of a 60.0 kg person is 39.1°C. At what rate in…

A:

Q: A container has 150.00 x 10-6 m3 of coffee at 85° C. To cool the coffee, you dropped two 11.0g ice…

A:

Q: ne proposal for an effortless method of losing weight is to drink large amounts of cold water. Water…

A:

Q: A thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed…

A: Given data: Thickness of the glass pane is, d= 0.50 cm= 0.0050 m Thickness of the air between sealed…

Q: A 0.800-kg aluminum pan contains 4.00 kg of water at 20◦C. (Here are some numbers you may need:…

A: Given, Mass of Aluminum, mAl=0.8 kg, Mass of Water, mw=4 kg, Initial Temperature, T1=200, Specific…

Q: A container of 114.0 g of water is heated using 67.0 W of power. How long will it take to raise the…

A: Given data:  Mass (m) = 114.0 g Power (P) = 67.0 W Initial temperature (Ti) = 15°C Final temperature…

Q: When air is inhaled, it quickly becomes saturated with water vapor as it passes through the moist…

A:

Q: To help prevent frost damage, 4.77 kg of 0°C water is sprayed onto a fruit tree. The latent heat of…

A:

Q: A 5.157 kg loose bag of soil falls from unknown height at a construction site. What is height in m…

A:

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: On a cold winter morning you step outside to get into your car and drive to work. Your car's…

A:

Q: Suppose you stand with one foot on ceramic flooring and one on a wool carpet, making contact over an…

A:

Q: The human body, while at rest, produces heat energy at a rate of about 116 W. How much sweat (in g)…

A: Given data The heat energy is given as Q˙=116 W. The latent heat of vaporisation is given as Lv =…

Q: Question 4 A 0.12 kg iron block is taken from an oven where its temperature is 336°C and quickly…

A:

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: 6. Find the total heat required (in kJ) to raise the temperature of a 0.190 kg of ice from -16.0°C…

A:

Q: The human body, while at rest, produces heat energy at a rate of about 100 W. How much sweat (in g)…

A:

Q: A 1.500-kg iron pan on a stove is used to heat 0.750-kg of water from 15.0◦C to 60.0◦C. a) How much…

A: Given:- mpan = 1.5 kg mwater = 0.75 kg T1 = 15oC T2 = 60oC

Q: 3. The following data is related to a short brass cylinder of diameter D 10 cm and height H = 20 cm…

A: First of all we are having the properties of Brass at room temprature: k=110 W/m0C, density=8530…

Q: A 60.0-kg runner expends 342 W of power while running a marathon. Assuming 14.0% of the energy is…

A: in this question we determine volume of bodily fluid lost per hour.

Q: If a leaf is to maintain a temperature of 40.0°C (reasonable for a leaf), it must lose 257 W/m2 by…

A: CONCEPT: We know,  the amount of heat taken by the substance is given by…

Q: Approximately 80% of the energy used by the body must be dissipated thermally. The mechanisms…

A: When the jogger's body cools by sweating, the energy transferred is calculated as, Q=mc∆T,where, m…

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 60 kg runner expends 3.00 x 102 W of power while running a marathon. Assuming 10.0% of the energy…

A: Given : Mass of the runner, m = 60 kg Power expended, P = 3×102 W = 300 W 10% energy delivered to…

Q: Suppose you pour 0.0125 kg of 20.0°C water onto a 1.1-kg block of ice, sitting in a large bowl,…

A: mass of water= 0.0125 kg initial temperature of water,Twater = 20.0°C  mass of ice block=1.1-kg…

Q: 4. Three kilograms of an ideal gas with R = 204 J/kg-K and k = 1.667 have 316 kJ of heat added…

A: Solution:-

Q: 1. Which of the following statement is wrong: Specific heat of a material a. Extrinsic property b.…

A: 1. Option a The specific heat of a material is the result of the internal structure of the material.…

Q: 4) A solid cylindrical bar conducts heat at a rate of 25 W from a hot to a cold reservoir under…

A: Rate of heat conduction (R) , depends upon diameter (D) , length (L) as shown. (Given, R = 25W) R =…

Q: 3.00 moles of an ideal gas that occupies a volume of 20.0 L at a temperature of 20.0°C undergoes an…

A:

Q: The initial temperature of 150 g of ice is -20°C. The spe- cific heat capacity of ice is 0.5…

A: Given:-  The mass of ice is m = 150 g  The initial temperature of the ice is Ti= -20oC. The specific…

Q: Q.1/ Calculate the heat quantity that is required to increas ml) of pure water from (10 C) to (90C),…

A: GivenVolume of pure water, V=500 mLInitial temperature of water, T1=10°CFinal Temperature of water,…

Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.