A 3.00-g copper coin at 25.0°C drops 77.0 m to the ground. (a) Assuming 61.2% of the change in gravitational potential energy of the coin goes into increasing the internal energy of the coin, determine the coin’s final temperature. (b) Does the result depend on the mass of the coin? Explain. (Specific Heat of Copper is c = 385 J/(kg⋅K

Q: A 1.50-kg iron horseshoe initially at 600°C is dropped into a bucket containing 20.0 kg of water at…

A: From heat transfer equation,

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A: Given  Volume of water V= 344L V=0.334m3 ρ=999.8kg/m3 Mass m=343.931 kg Latent heat of freezing Lf =…

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A:

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

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A: Given ,         initial temperature Ti=282k         Final temperature Tf=630k        mass of…

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A:

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A: Given Data Thickness of the glass window is d=0.62 cm=0.62×10-2 m Area of the window is A=(2×1)=2 m2…

Q: hen 16.0 J was added as heat to a particular ideal gas, the volume of the gas changed from 57.5 cm³…

A: Given Heat given Q = 16 J Initial volume V1 = 57.5 cm3 = 57.5 × 10-6 m3  final volume V2 = 121 cm3…

Q: Which of the following materials can cool a cup of hot tea more effectively, assuming they have the…

A: The better is heat transfer coefficient,  the better it will transfer heat and cool . so heat…

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A:

Q: An insulated copper beaker of mass 0.5 Kg contains 0.25 Kg of water at 750 You add x Kg of Ice at…

A: mass of beaker = 0.5 Kg Mass of water = 0.25 kg Temperature of beaker and water = 75 degree Final…

Q: Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled at…

A: Given, Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled…

Q: Jill takes in 0.0270 mol of air in a single breath. The air is taken in at 20.0°C and exhaled at…

A:

Q: What is the change in internal energy of a system that takes in 3.33 106 J of heat, and does 4.50…

A: According to the first law of thermodynamics,∆U=Q-W.......(1)Where,∆U is the change in internal…

Q: 9. Based on the specific heat table given, which of the following substances is the best thermal…

A: 10 ) specific heat is the heay required to raise the temperature of the object of unit mass by 1°C…

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A: The answer is given below

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A:

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A:

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A: Formula to calculate the mass of the water is,

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: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 k) of energy are added to the…

A: Given:Mass(m)=2 kg , specific heat (cp)=900 J/kg.KAdded heat = 36000 JInitial temperature,Ti=10°=283…

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A: a)According to energy conservation law, heat energy lost by the person is equal to the heat energy…

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A:

Q: A 1.50-kg iron horseshoe initially at 650°C is dropped into a bucket containing 24.0 kg of water at…

A:

Q: Question 6, When 1.0 kg of ethanol at 25°C changes from the liquid to the gas phase at atmospheric…

A:

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A: Given that, latent heat of vaporization of water  =2.26 x 106 J/kg pressure  =1 atm =1.013 x 105…

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A:

Q: Overall, 80% of the energy used by the body must be eliminated as excess thermal energy and needs to…

A: (a)P = σ A e (T4 - T4)

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A: The given values are,   From the properties of R-134a at the inlet and outlet of the compressor,

Q: The human body, while at rest, produces heat energy at a rate of about 103 W. How much sweat (in g)…

A: The expression for the amount of sweat is,

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A:

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 -…

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A: The data given is as follows, 1. Volume of the room=4m×6m×4m=144 m3 2. Power of the fan, PW=150 W 3.…

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A:

Q: Problem 2: 0.4 kg of ice at – 10°C are mixed with 0.2 kg of water at 50°C. The water and ice are…

A:

Q: Q12. (a) Name any four types of radiation emitted by the sun? (b) A solar hot water system receives…

A: To Determine Types of Radiation from the sun