A cube of ice is taken from the freezer at -8.5 •C•C and placed in a 75-gg aluminum calorimeter filled with 330 gg of water at room temperature of 20.0 •C•C. The final situation is observed to be all water at 15.0 •C•C. The specific heat of ice is 2100 J/kg - CoJ/kg•Co, the specific heat of aluminum is 900 J/kg •CoJ/kg•Co, the specific heat of water is is 4186 J/kg• CoJ/kg•Co, the heat of fusion of water is 333 kJ/KgkJ/Kg. What was the mass of the ice cube?

Q: 2. An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water…

A: Solution:-Given thatmass of aluminum calorimeter (mA)=100 gmass of water (mw)=250 gInitial…

Q: 1. (a) The number of kilocalories in food is determined by calorimetry techniques in which the food…

A:

Q: 4. A woman finds the front windshield of her car covered with ice at -12°C. The ice has a thickness…

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Q: A 30.4-kg block of ice at 0 °C is sliding on a horizontal surface. The initial speed of the ice is…

A: Since we answer up to first question, we will answer the first question only. Please resubmit the…

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: Thermography is a technique for measuring radiant heat and detecting variations in surface…

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Q: The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

A:

Q: An insulated Thermos contains 170 cm³ of hot coffee at 83.0°C. You put in a 16.0 g ice cube at its…

A: Specific heat of water= 4186 J/kg.K

Q: For an ideal gas, the difference between the specific heat at constant pressure and the specific…

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

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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: Five people, all about equal masses, are in a perfectly sealed room in which the air conditioner is…

A: Five people, all about equal masses, are in a perfectly sealed room in which the air conditioner is…

Q: Ice at -10°C and water vapor at 130°C are brought together at atmospheric pressure in a perfectly…

A: Given that:- Final temperature of the mixture=50°C

Q: 2. A boiler needs to be insulated such that the internal temperature is 300°C whereas the ambient…

A:

Q: A 10 cm thick and 1 m wide long steel plate is immersed in an oil bath at T0 = 40 ° C when the…

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Q: An automobile with mass 2000 kg is traveling at 20 m/sec. How much heat is developed in the brakes…

A: Given, mass of automobile m= 2000kg , speed v = 20m/s

Q: A hot 120 g block of copper is quickly placed into a beaker of negligible heat capacity containing…

A: Given: The mass of the copper is 120 g. The mass of the water is 300 g. The initial temperature of…

Q: k) A 250.-g sample of water at 369.0 K was added into 1.00 kg of water at 25.5°C in a coffee-cup…

A: *As per our guidelines we are instructed to answer only one question per session, Kindly post the…

Q: A 3.00kg sample of gaseous sulfur is initially at its boiling/condensing temperature of 444.6°C. We…

A: m = 3 kg initial boiling temperature  = 444.6 degree C final temperature = 45 degree C

Q: 8. Consider a cubical building with sides of length 7 m. The walls are made of concrete with a…

A: Given : The sides of the cubical building is l=7 m. The thickness of a wall is w=0.25 m. The thermal…

Q: 1. If a solid glass fiber (23.2 um in dia and 120.1 mm length) is heated at 650 C (y = 0.30 J/m),…

A: As per guidelines, the first question (#1) has been answered. Radius of the sphere is,…

Q: An unknown metal (mass of 230g) is heated to 95.0oC in a water bath. A calorimeter is made of an…

A: 1) Given that, the mass of unknown metal is mun=230g the mass of water is mw=350g the mass of the…

Q: A 18-kg piece of aluminum (which has a specific heat of 900 J/kg.°C) is warmed so that its…

A: Specific heat capacity of a substance is defined as the heat required per unit mass to change the…

Q: Problem 3: Suppose you want to raise the temperature of a 0.185-kg piece of ice from -20.0°C to…

A:

Q: 1. (a) How much heat transfer is required to raise the temperature of a 1 -kg aluminum pot…

A: To calculate the heat transfer required, we need to consider two steps: raising the temperature of…

Q: grams and at an initial temperature of 173oC in an isolated environment. When both the unknown…

A: Given data:-  The mass of the water mw = 9.51 grams The initial temperature of the water is Tiw =…

Q: 4: Two moles of helium gas is mixed with three moles of hydrogen molecules (taken to be rigid). What…

A: Thermodynamics:

Q: Calculate the rate of heat conduction out of the human body, assuming that the core internal…

A: The objective of this question is to calculate the rate of heat conduction out of the human body…

Q: You mix mI = 1.2 kg of ice at TI = -19°C with mW = 3.4 kg of water at TW = 86°C in an insulated…

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Q: emperature change. -First, the ice reaches 0°C. Then it starts melting while the warmer water

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Q: 4. What is the change in internal energy of a system which does 4.50x10° J of work while 3.00x106 J…

A: Given, system does work of 4.50×105 J , heat transfer into the system is 3.00×106 J and 8.00×106 J…

Q: art 2: Problem Solving Questions     P 1 (thermodynamics).  What energy is required to convert a…

A: The energy required to convert a 3 g cube of ice at 213.15 K(-60°C)to 355.15 K(82°C)  consists of…

Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its…

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin.…

Q: 1. (a) The number of kilocalories in food is determined by calorimetry techniques in which the food…

A:

Q: 5. Rods of copper, brass, aluminium, and steel are welded together to form an X- shaped figure.…

A: Given: Length of Copper,LC=50cm=50×10-2mThermal Conductivity of…

Q: 5. A 760 g piece of copper is heated in a furnace to a temperature T. The copper is then inserted…

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Q: A circular pipe of OD 20 cm is enclosed centrally in a square section insulation of 36 cm side. The…

A: Given-Outer Diameter= 20cm or 0.2mSide of square section=36cm or 0.36mThermal Conductivity (K)…

Q: 1)A common practice for a person with a high fever is to take a bath in cool water. Assuming an 80…

A: Given that: Mass of person, M=80 kgTemperature of person, Tp=40°CEquilibrium temperature,…

Q: 2. A vertical Cylinder with a heavy piston contains air at 300 K. The initial pressure is 3.35*10^5…

A: a) The specific heat at constant volume Cv=5R2=52x8.314 J/mol kCv=20.785 J/mol kNow dividing it…

Q: 5. A 200-g metal container insulated on the outsiden holds 100 9 of water in thermal equilibrium at…

A: As given, Mass of the metal container, mm=200 g=0.2 kg Mass of water, mw=100 g=0.1 kg Mass of ice,…

Q: 1. A rigid vessel contains 5kg of wet steam (water) at 0.4 MPa. After the addition of 9585 kJ of…

A:

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.