1 kg of material A at 80oC is brought into thermal contact with 1 kg of material B at 40oC.   When the materials reach thermal equilibrium the temperature is 68oC. Which material, if either has the greater specific heat? Explain why and how you reached at your answer. No explanation to back your answer will drastically reduce the number of points awarded.

Q: An open container holds ice of mass 0.555 kg at a temperature of -14.9 °C. The mass of the container…

A: Given Data:- Mass of the ice is m=0.555 Kg Initial temperature of the ice is ti=-14.9°C Specific…

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Q: Part A Normal body temperature. The average normal body temperature measured in the mouth is 310 K.…

A: Given that:- In this question, we have to convert the value of temperature in different units.

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A: Solution

Q: Suppose 9.20 x 105 J of energy are transferred to 2.04 kg of ice at 0°C. The latent heat of fusion…

A: Emelt=mLf=2.04 kg3.33×105 J/kg=6.79×105 J

Q: One end of a 39 cm -long copper rod with a diameter of 4.0 cm is kept at 470 °C, and the other is…

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Q: Latent heat of vaporization of water is 540 cal/g, and specific heat of water is 1 cal/(g•°C) how…

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Q: In an alcohol-in-glass thermometer, the alcohol column has length 12.09 cm at 0.0 °C and length…

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Q: In Figure (a), two identical rectangular rods of metal are welded end to end, with a temperature of…

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Q: Find the average specific heat of the liquid in this temperature range. Assume that negligible heat…

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Q: B) i) In the lab there are some sample materials, as mentioned in table below. Hasan wants to…

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Q: An object can only transfer heat by either conduction, convection, or radiation. Is this true or…

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A: Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the…

Q: Part A At what rate is heat being lost through the window by conduction? Express your answer in…

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Q: Part A What's the specific heat of a material if it takes 5.5 kJ to increase the temperature of a…

A:

Q: 1. Carefully examine the following table, which represents a process in multiple ways-words,…

A: Q = mc∆T ( during rise or fall in temperature) Q= mL ( during phase change)  M=0.1 kg = 100g

Q: How much energy is required to change a 60-g ice cube from ice at -40°C to steam at 130°C? Enter a…

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Q: A thermometer, initially at a temperature of 25 oC, is suddenly immersed in a tank of water with a…

A: Given,  T1=25°CT2=100°C t=7.5 sHeat gain γ=90%γ=0.90

Q: Use the data table to the right to answer the following questions Material Heat capacity (J/g°C)…

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Q: 1. Evaluate the validity of the application of Newton’s law of cooling using calculus.   The…

A: We have givenTemperature (T)=36°CTemperature (T0)=40°CTime(t0 = 5 min=5×60t=300 sandTemperature of…

Q: A burning stove with a large flat rectangular surface on top has enough space for cooking, if…

A: Given: thermal conductivity constant k=50.2 W.m-1K-1thickness d = l =48.4 cm = 0.484 mcross…

Q: summarizing the paragraph about heat moving from one object to another. 2. summarizing the paragraph…

A: Transfer of heat  using solid material is known as  conduction. When a person is bathing using  very…

Q: Calculate the amount of heat required to transform 26 g of ice at -19°C into steam at 100°C. Express…

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Q: 3) At what average rate is heat generated in the light bulb? (Express your answer to two significoat…

A: N=Number of turns=33A=Area=0.42 m2n=Rotational speed=745 rpmB=Magnetic field=0.225 TR=Resistance=8.5…

Q: 92 2. A long pin is used to hold the piston in place as shown in the diagram. The hw bbnilve…

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Q: The Eiffel Tower in Paris is 984 ft tall and is made mostly of steel. For related problem-solving…

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Q: Define the specific heat capacity with equation? How much thermal energy is required to change a 40…

A: Introduction: Specific heat capacity is the amount of heat required to change the temperature of 1…

Q: Calculate the amount of heat required to transform 20 g of ice at -9°C into steam at 100°C. Express…

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Q: Two iron spheres with the same radius look identical from the outside, but one has a hollow cavity…

A: A) According to stefan's law of radiation :- Power radiated by a sphere depends only on it's surface…

Q: Consider water boiling at 100oC, if the pressure of the water is increased as the water boils, what…

A: If pressure increases, boiling point will increases.

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: 3 of A stainless-steel-bottomed kettle, its bottom 25 cm in diameter and 1.6 mm thick, sits on a…

A: Diameter of stainless steel bottle kettle= 25cm Thickness of kettle=1.6mm Thermal conductivity=…

Q: Suppose you want to raise the temperature of a 0.185-kg piece of ice from -20.0°C to 130°C. The heat…

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Q: Seals may cool themselves by using thermal windows, patches on their bodies with much higher than…

A: Formula of rate of energy loss by radiation is as follows: Qnet∆t=eσAT4-Tc4…

Q: Part A)  Normal body temperature. The average normal body temperature measured in the mouth is 310…

A: In the given question , We have to determine the values of given parts.

Q: The burner on an electric stove has a power output of 2.0 kWkW. A 780 gg stainless steel tea kettle…

A: The energy produced by the stove is calculated by using the formula E=Pt , where P=2000 W is the…

Q: 1000 800 600 400 200 10 20 30 40 50 60 70 80 90 -200 400 Time in seconds Look at the graph above.…

A: Temperature versus time is given for a substance.

Q: The value of specific heat for copper is 390 J/kg C°, for aluminun is 900 J/kg. C°, and for water is…

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Q: One end of a 64-cm-long copper rod with a diameter of 1.6 cm is kept at 400 °C, and the other is…

A: To calculate the rate of conduction heat , we use the Fourier's law of heat conduction as shown…

Q: The average person produces heat at the rate of about 120 W when at rest. At what rate must water…

A: Write the given data with appropriate variables. Here, P denotes the rate of heat produced by a…

Q: Suppose 8.50 ✕ 105 J of energy are transferred to 1.79 kg of ice at 0°C. The latent heat of fusion…

A: Calculate the length of fusion   QL = mLf QL = 1.79 x 3.33 x 105 QL = 5.96 x 105 J

Q: The heat capacity, C, of an object is defined as the amount of heat needed to raise its temperature…

A: heat capacity, C: heat required to raise the temperature by 1°C  of a material, thus C=Q∆TQ=C∆T…

Q: A graph of temperature versus time for a substance that has a mass of 2.00 kg is shown below. The…

A: Note: As per the policy, only the first three subparts of the question will be solved. If you want…

Q: When a certain quantity of helium gas contained inside and engine cylinder combusts, the expanding…

A: