On a hot day, the temperature of a 28,000 L swimming pool increases by 1.10°C. What is the net heat transfer (in J) during this heating? Ignore any complications, such as loss of water by evaporation. (Enter the magnitude.)

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: Lake Erie contains roughly 4.50E+11 m3 of water. How much heat is required to raise the temperature…

A: Given(s): The mass of water: m=4.5×1011 m3 The initial temperature of the water, 11.5 oC The final…

Q: e does heat radiate from a 275m ^2 black roof on a night when the roof's temperature is 30.0 degree…

A: Area (A) = 275 m2Temperature of surface = 30oC = 303 K Temperature of surroundings = 15oC = 288 K…

Q: A steel beam being used in the construction of a skyscraper has a length of 31.000 m when delivered…

A: Length of steel beam at 18 Fahrenheit = 31 m  Using 18 Fahrenheit = -7.78 degree celsius Final…

Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: The formula for heat transfer is:Where: is the heat transferC is the total heat capacity is 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…

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Q: The cooling system of an automobile motor contains 20.0 kg of water.  What is the Δt of the water if…

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

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Q: a) A 375 joule of heat energy is transferred to 25 gram of mercury. By how much does the temperature…

A: Answer             A) 106.929 k            B) 51449.958

Q: According to the USDA, an average, \moderately active" college student needs to eat 2500 calories…

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Q: a) A 950 joule of heat energy is transferred to 34 gram of mercury. By how much does the temperature…

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Q: A 11-kg chunk of ice at -30°C is mixed with 2.25 kg of water at 50°C. Find how much water freezes…

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Q: For the human body, what is the rate of heat transfer by conduction through the body’s tissue with…

A: Given, Thickness, d=3 cm=0.03 m, Area, A=1.50 m2, temperature change, ∆T=2.00 C, Energy intake,…

Q: A spherical pot contains 0.700 L of hot coffee (essentially water) at an initial temperature of 90…

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Q: For the human body, what is the rate of heat transfer by conduction through the body’s tissue with…

A: Given Data: The thickness of tissue is, d=3.00 cm The difference in temperature is, Th-Tc=2.0℃ The…

Q: A cubical piece of heat-shield-tile from the space shuttle measures 0.13 m on a side and has a…

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Q: 350 grams of copper pellets are removed from 330°C oven and immediately dropped into 400 mL of water…

A: mass of copper pellets = 350 g initial temperature of pellets = 330 C mass of water = 400 grams ( as…

Q: Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER)…

A: Temperature inside = 24∘ C = 24 +273 K =297 K Temperature outside =35∘C=35+273K =308 K To find SEER…

Q: How much heat transfer is required to raise the temperature of a 0.750kg aluminum pot containing…

A: a)The heat required is given by,where, = initial mass of water=2.50 kg=mass of water after boiling…

Q: C, = 0.9167 + (2.577 × 10 *)T – (3.974 × 10 ")T² in kJ/kg-K. temperature reaches 927°C. The specific…

A: Given, initial temperature is Ti=27oC=300K final temperature is Tf=927oC=1200K And specific heat at…

Q: The specific heat (capacity) of a particular type of pasta is 1.8J/g· Celcius. Suppose you toss 340…

A: Given Specific heat of pasta cp = 1.8 J/g°C Mass of pasta mp            = 340 g Temperature Tp…

Q: A copper block is removed from 330°C oven and immediately dropped into 2.25 L of water at 21°C.in an…

A: Given, Initial temperature of Copper block = 330o C Amount of Water = 2.25 L =2.25 kg Specific Heat…

Q: A small electric immersion heater is used to heat 87 g of water for a cup of instant coffee. The…

A: Given data:  Mass (m) = 87 g = 0.087 kg Power (P) = 170 watts Initial temperature (Ti) = 18°C Final…

Q: A small electric immersion heater is used to heat 65 g of water for a cup of instant coffee. The…

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Q: A small electric immersion heater is used to heat 84 g of water for a cup of instant coffee. The…

A: Given : mass, m = 84 g = 84 × 10-3 Kg  Power, P = 81 W  T1= 21 ℃ = 294 K  T2=100 ℃ = 373 K  Specific…

Q: A “typical” human body has a surface area of about 1.9 m2 and a surface temperature of about 33oC…

A: We must apply Stephen Boltzman relation

Q: dt Governed by Newton's Law of Cooling [= k(Te − T) where T is the temperature of the object, Te is…

A: We are given the initial and final temperatures and time taken to reach this final temperature. We…

Q: A copper block is removed from 320ºC oven and immediately dropped into 1.75 L of water at 20ºC.in an…

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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: In an air conditioner, 12.65 MJ of heat transfer occurs from a cold environment in 1.00 h. (a) What…

A: The heat transfer from a cold environment,   The latent heat of fusion of ice,

Q: The number of kilocalories in food is determined by calorimetry techniques in which the food is…

A: The heat absorbed by the water and the aluminum cup is the same as the heat (energy) given off by…

Q: Q1 a) The hot combustion gases of a furnace are separated from the ambient air and its surroundings,…

A: Consider the given data as below. Thermal conductivity, k=1.2 Wm·K Convection coefficient, h=20…

Q: One pound of air with an initial temperature of 200F is allowed to expand without flow between…

A: Given: The initial temperature is given as 200oF Pressure is 90 and 15 psia.

Q: Ex(1): What is the amount of heat energy necessary to raise temperature ( 3 kg ) of Aluminum from (…

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Q: Latent Heat Substance (3/kg) Steam + water 2,260,000 Ice + water 333,000

A: Rate of cooling is equal to the rate of heat transfer. It depends on convection heat coefficient,…

Q: Lake Erie contains roughly 4.50E+11 m3 of water. How much heat is required to raise the temperature…

A: Given , volume of water = 4.50E+11 m3  density of water = 1000 kg/m3 Difference in temperature of…

Q: (a) Calculate the rate of heat conduction (in W) through house walls that are 12.5 cm thick and that…

A: Given data dx=0.125 mA=125 m2T1=21.5°CT2=5°C Here, dx is the thickness of the walls. While A is the…

Q: Suppose 8.50 x 10 ) of energy are transferred to 1.79 kg of ice at 0°C. The latent heat of fusion…

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

A: Given: The heat transfer from the sun is Q=1 kW/m2. The time of evaporation is t=1 h. The area of…

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.