2. Two metal rods with the same size but different type, as shown in figure below. The thermal conductivity of metal I = 4 times the thermal conductivity of metal II. What is the temperature between both metals? T-so°c

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Q: How much energy is absorbed when 25.0 g of ice at 0.0°C melts to form water at 0.0°C? The heat of…

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Q: 1. The thermal conductivity of a material depends only on the type of and is a constant. 2. Good…

A: Given that : The thermal conductivity of a material depends only on the type of ---------------- and…

Q: 1. Suppose identical amounts of heat transfer into different masses of copper and water, causing…

A: Given value--- identical amounts of heat transfer into different masses of copper and water,…

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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…

Q: How much heat is required to raise a temperature of copper from 10 kg of copper from 303°K to 75°C…

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Q: 4. Suppose a 60 g copper rod is heated so much that the temperature of the rod rises by 15 Celsius…

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Q: A silver block has a mass of 1 kg and specific heat capacity of silver is 0.240 J/g°C. What is the…

A: Given data:  Mass (m) = 1 kg = 1000 g Specific heat capacity (c) = 0.240 J/g.°C Heat energy released…

Q: 8. By how much does the volume of an aluminum cube 5 cm on an edge increasc when the cube is heated…

A: Given data: Side length of cube, a=5 cm=0.05 m Temperature: Ti=100C; Tf=600C

Q: 2.) Air is both a good thermal insulator and conductor. a. True b. False

A: The given statement is False. Air is a good thermal insulator but not a good conductor.

Q: 45.How much heat is necessary to raise the temperature of 1.80 kg of ethyl alcohol from 25°C to its…

A: heat required to raise the temperature is given as Q=M s∆T here m is mass of sample s is specific…

Q: A bar of zinc (c = 390 J/kg °C) at 210°C are dropped into 234 g of water (c = 4184 J/kg °C) at 11°C.…

A: Given:- The initial temperature of the Zinc is TiZ=210oC The mass of the water is m=234 g  The…

Q: By ideal gas law, the thermal pressure of a gas depends on A. number density of particles only. B.…

A: ideal gas law, the thermal pressure of a gas depends on A. number density of particles only. B.…

Q: Atoms and molecules stopped moving at all. This defines the concept of   A. Absolute temperature =…

A: Absolute temperature: The temperature where every physical motion is stopped. The temperature at…

Q: The vapour pressure of acetone at 100°C is 1.5atm and a molar heat of vaporization of 9750cal/mole.…

A: Given data:Here, P1 is the initial pressure, P2 is the final pressure,  is molar heat of…

Q: 3. is it a Solid, Liquid, or Gas? write S, Lor G in the blank A. Water at 50 C. В. Water at 120°C.…

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Q: When the temperature of a substance increases, what happens to its molecules? а. The molecules…

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Q: Why is it required to tap the hot metal with a tissue paper before placing the hot metal in the…

A: When the metal is heated, water clinging to the metal heated too.

Q: wo cubes, silver and iron, have the same mass and temperature. A quantity Q of heat emoved from each…

A: Answer is b. specific heat capacity.

Q: What does the symbol 'a' (alpha) represent in the linear thermal expansion equation? A. It…

A: The linear thermal expansion equation is given by: ΔL=LαΔT We will explain the symbol α.

Q: A chunk of metal is immersed in boiling water, then it is transferred into a Styrofoam cup…

A: Given Mas of water (m)             = 250 g Specific heat of water (c) = 1 cal.g-1 K-1 Initial…

Q: A heating coil inside an electric kettle delivers 4.70 kW of electric power to the water in the…

A: Power is P = 4.70 × 103 Watt  Mass of water is M = 0.6×1000 g = 600 g  Initial temperature is Ti =…

Q: A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What…

A: When the heat is provided to any metal then the kinetic  energy  atom inside the metal increase…

Q: Q4. The following figure shows the specification of a disk, given that disk thickness is 15 mm, and…

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Q: 1. Imagine you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. The…

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Q: A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What…

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Q: 5. A fire extinguisher has an internal pressure of 300 psi at 25°C. What is the pressure at it is…

A: Dear student,  Since both questions are different as per guidelines we can author only first one…

Q: An aluminum prism has a volume of 200.0 m^3 at 30°C. When it is heated to 120°C, what is the prism’s…

A: The thermal expansion of a solid in terms of volume is given by:∆V=βV∆T..........(1)where,∆V(=V1-V)…

Q: 1. A warm block of copper is allowed to cool to room temperature. What is the amount of heat energy…

A: Heat energy released=msdT where m=amount of mass  S=specific heat of substance dT=change in…

Q: The specific heat capacity of metals are normally much smaller than that of water. If we should…

A: It is given that specific heat capacity of water is much more than specific heat capacity of metals…

Q: 11. Steam at 100°C is added to ice at 0°C. a. Find the amount of ice melted and the final…

A: (a) Given data The temperature of the steam is Tsteam = 100°C The temperature of ice is Tice = 0°C…

Q: 2. A wheel rotates 18 degrees in 20 milliseconds. How many revolutions per minute (RPM) is this?

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Q: 744 g of a metal at 227°C are dropped into 278 g of water (c = 4184 J/kg.°C)at 11°C. The resulting…

A: Given:- The mass of the metal is M =744 g  The initial temperature of the metal is Tim=227oC The…

Q: A copper rod is 20 cmlonger than an aluminum rod . How long should the copper rod be if the…

A: Linear thermal expansion is the variation of the linear dimensions of a material with the increase…