+ ccording to brevest's theory of heat the heat ezchange stoße at. d) -273k txehange 0°C 6) -5°C e) -273° C
Q: Q5/A) The figure below appeared three heat treatments processes of steel (A, B and C), select only…
A: I have chosen 'B' for my answer ( as you have not specified and the question only asked for One )…
Q: In a vacuum, heat can be transferred by: a) conduction and convection b) convection and radiation c)…
A: In a vacuum, heat can be transferred by:a) conduction and convectionb) convection and radiationc)…
Q: cal/(gram*degree C). How much heat in calories does the spoon absorb to reach a temperature of 85…
A: mass of spoon, m=55 kgInitial temp. Ti=23° CFinal temp. Tf=85° CIncrease in temp∆T=85-23…
Q: Which is the fastest mode of heat transfer? A) Radiation B) Conduction C) Convection D) None of the…
A: The correct option is A) Radiation. Radiation is the fastest mode of heat transfer while conduction…
Q: 5 mole of methane gas inside balloon, gain heat by 1850 j , his temp increased 40 degrees in (…
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Q: Two objects (A and B) are placed in thermal contact and exchange heat. Object A is initially hotter…
A: Let the final temperature of the system be T. Given TA>TB hence heat flows from A to B
Q: Suppose a second trial is conducted using iron and ethanol as described. The results from this trial…
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Q: S3
A: Given that:-Freezing point : T0= 10°NBoiling point: Tf= 560°NTemperature reading: T=209°NAs we know…
Q: 1) Define the following terms:a) Internal energyb) Specific heat
A: Internal energy of an object is the sum of the energies of the molecules that make the object. The…
Q: The rate of heat flow in a solid plate depends on geometry of plate, temperature distribution and…
A: Rate of heat flow in a solid plate is depends upon the thermal conductivity, area and temperature…
Q: We use 4 ice cubes (0.005 kg each) at a temperature of -2°C to chill a soft drink at an initial…
A: Given: Number of ice cubes: n = 4; The mass of each ice cube: m1 = 0.005 kg; The initial…
Q: certain heat energy is needed to freeze a can of juice (360g) from -5 oC (temperature of an…
A: In this situation we have to change the phase of juice 2 time once when we convert solid to liquid…
Q: Convection is heat transfer by mass motion of a fluid such as air. O True O False
A: Convection is a process by which heat is transferred by the movement of a heated fluid such as air…
Q: The ratio A. B. C. D. thermal capacity of a sample of copper specific heat capacity of copper does…
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Q: Don't use chat gpt It Chatgpt means downvote
A: Approach to Solving the Question:1. Identify the given information: - Mass of the person: 80.0 kg…
Q: The brakes in a car increase in temperature by A7 w bringing the car to rest from a speed v. How…
A: Given that the car's brake increase the temperature by ∆T. To find how much greater ∆T if the car…
Q: high-t lower- is its e . A heat in eac high-t In one high-te lower- a. Нo b. Wh A heat heat fro a.…
A: E3 Given data: Heat taken, Q1=800 J Heat released,Q2=472 J
Q: A thermometer graduated according to a linear scale reads a value xo, when in contact with boiling…
A:
Q: A1,700.0 kg car with a speed of 72.5 km/h brakes to a stop. How many cal of heat are generated by…
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Q: MY NOTES A 40 g block of ice is cooled to -72°C and is then added to 600 g of water in an 80 g…
A: The idea here is that the heat absorbed by the ice will be equal to the heat given off by the liquid…
Q: Change of phase occurs at a constant temperature, which implies that even on addition of heat to a…
A: Given: Change of phase occurs at a constant temperature, which implies that even on addition of heat…
Q: The material brass is kept it in water is heated at a temperature upto 60°C. Calculate the time…
A: Given: Temperature of the brass is at Temperature of surrounding To find: Time taken to cool…
Q: The heat transfer surface area of a fin is equal to the sum of all surfaces of the fin exposed to…
A: The temperature of the tip of the fin will tends to surrounding temperature when the fin is too…
Q: A 25,000-kg subway train initially traveling at 16.0 m/s slows to a stop in a station and then stays…
A: Given Data: The mass of train is: M=25000 kg The initial velocity of the train is: u=16.0 m/s The…
Q: How much heat is required to change 325.6 g of ice at 0°C to water at 0°C?
A: GivenMass of ice is m=325.6 gWe have to calculate the heat required during the phase change at 0 °C.
Q: Question 19 If 136 J is required to change the temperature of 8.75 g of nickel by 35.0 K, what is…
A: Given:Q = 136 Jm = 8.75 gΔT = 35.0 KTo calculate: The specific heat capacity of nickel
Q: 1. Calculate how much energy is required to change 2.8 kg of ice at -20 °C into liquid water at 37…
A: To convert ice from -20°C to ice at 0°C , heat required Q1=msice∆T =2.8×2100×20 =117600 J…
Q: If the specific heat of aluminum is larger than silver, then the heating process Oa. is faster in…
A: We know that the formula for heat is Q = m*c*(T2 - T1) Thus we can see that if specific heat is…
Q: # body cods from 800 to 60 ° c in 5 minutes How much time will it take to cool from 40% to 30°C, et…
A: We need to find- Time taken by the body to cool from 400C to 300C t'=? The data given as-…
Q: What is a solar power tower? How can solar power towers produce electricity for 24 hours when there…
A: Definition: Solar power Tower: It is a furnace like device which has tower to receive focused…
Q: Calculate how much heat is necessary to change 500 g of ice at -10 C to water at 68 F? O A. 108655 J…
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Q: Which of the following statements best describes the characteristic of hear? Select one aIts…
A: Heat is a form of energy.
Q: 0.25 gm/sec of wet steam with 0.6MPa and dryness faction of 0.96, undergoes an isochoric process…
A: Given that-Mass flow rate of steam, m= 0.25 gm/sin kg/sm= 0.00025 kg/sPressure, P=0.6 MPa=600…
Q: 7. How much thermal energy is needed to change 100 g of ice at -20 °C into steam at 110 °C? ™
A: mass of ice = 100 g initial temperature of ice = -20oC final temperature = 110o C , steam
Q: (a) (i) Calculate the final temperature of the coffee and Al block when the system comes to…
A: Given, for coffee volume V1=250ml=250×10-3L=250×10-3×10-3=2.5×10-4m3 Initial temperature…
Q: The below picture is an example of method of heat transfer. A hot alr balloon risng Into the sky the…
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Q: True or False? Temperature is the is the transfer or exchange of thermal energy caused by a…
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Q: why do we need to study the concepts about heat and temperature
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Q: Example 500 g of ice is added to an insulated cup that contains 200 g of water at 50.0°C. What is…
A: Mass of water (mw) = 200 g Mass of ice (mi) = 500 g at 50° C Specific heat capacity of water…
Q: Temperature The figure below shows the graph ofT = 0.43m + 76.8, which gives the temperature T(in…
A: Temperature(T) and minute(m) graph is drawn below:- Temperature function can be written as…
Q: 5- A residential house contains a reception room and a family room and two- bedroom. The heating…
A: Given: The load in the reception room (L1)=5.5 kW The load in the family room (L2)=3.5 kW The load…
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