1. Choose the wrong statement(s) among the following regarding phase transition:A. Temperature remains constant.B. Heat is either released or absorbed.C. Temperature can change.D. Latent heat of fusion causes a substance to change from liquid to gas.E. C and D.

Q: 9). The conditions u (0, t) = u (1, t) = 0 and ôu/ôt = 0 are necessary conditions for.... a). ID…

A: Let u(x,t) represent a quantity (temperature distribution for heat flow and displacement for…

Q: Why is melting of ice considered as a reversible process? A. It is natural for ice to melt by…

A: In thermodynamic reversible process are those process which can come to the initial point after…

Q: Specific Heat Table Substance cIJ kg K Substance cIJ kg K Aluminium 900 Ice 2100 Iron/steel 450 Wood…

A: Specific heat of a material defines the ability of the material to absorb or emit heat. It is…

Q: The specific heat of Al is 900 J/kg.C and its latent heat of fusion L,= 4.0 x 105 J/kg at 660 C. How…

A: In given question, some amount of heat will be required to raise the temperature of the solid…

Q: If the temperature of the surface of the object is 508.6 °F , then calculate its value in K. O a.…

A:

Q: Two blocks of platinum have a temperature of 200C. One block has a mass of 10 G, the other block…

A:

Q: 25. Given air, gauge pressure Pg=378.675KPag, t=21 1. Absolute pressure KPaa? a. 450 p. 460 C. 470…

A: As per guidelines , only 3 subparts are solved here. Given, Gauge pressure = 378.675 KPa temperature…

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: 2. A very small piece of ice, at a temperature of -1°C, is placed into an insulated cup that…

A: When the small piece of eyes is added to a large container of water the temperature of the ice will…

Q: 4- The density of mercury pHG (kg/m³ ) as a function of temperature is given by the equation PHG =…

A: GivenThe density of mercury as a function of temperature is given byequationρHg=13595-2.5THere T in…

Q: Absolute zero is   a. zero degrees Celsius.   b. the temperature at which atoms have no remaining…

A:

Q: 2. Why is the following situation impossible? A team of researchers discovers a new gas, which has a…

A: Some pre-requisites which will help us further down the line,Let the degree of freedom of the gas be…

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

A: Heat required to raise temperature of a material is given by: Q = m*C*dT m = mass of copper block =…

Q: 1. Answer the following True/False question  a. Metallic expansion thermometers use mechanical…

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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: 3. A possible equation of state for a gas takes the form P.V=R·T·e VRT in which a and R are…

A: Given, PV=RTe-α/VRT The derivative of pressure with respect to volume at constant temperature T,…

Q: 1. The highest atmospheric temperature ever recorded on Earth was 57.80C. How will you express this…

A: The given highest atmospheric temperature is 57.80 C. A temperature of Celsius scale can be…

Q: What is the rms speed of air molecules (O2 and N2) at room temperature (20°C)?

A:

Q: . If you were to calculate how much energy (in cal) will it take to raise the temperature of 23.0 g…

A: The amount of heat or energy required to raise the temperature of any substance from its initial…

Q: A process in which a gas inside a closed cylinder is heated but does not move the piston up or down…

A: Required : A process in which a gas inside a closed cylinder is heated but does not move the piston…

Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: 2. Determine the heat capacity of pure solid aluminum as a function of the temperature, using the…

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Q: 4.A boiler uses coal for fueling a power plant. The heating value of coal is 74500 kJ per kg of fuel…

A: Solution: As per the given data,   Heating Value of Coal = 74500 KJ/Kg  Excess air = 90%

Q: 1. Explain the phase change of the cubes of ice turned into water vapor.

A: At first fusion occurs ie with increase of temperature the ice reaches to temperature 0°C and start…

Q: 2. What happens to objects when temperature increases? For instance, a jar cover can be removed by…

A: When temperature increases, the kinetic energy of atoms inside objects increases. This makes the…

Q: 15. Atoms and molecules inside all objects are in random motion. The internal kinetic energy from…

A: We have to fill in the blank for the above question.

Q: 8. Heat normally travels from? a. Low to high temp. b. High to low temp. c. Both a and b d. None of…

A: solution as

Q: Which best describes the relationship between two systems in thermal equilibrium? a. no net energy…

A:

Q: A meteorite enters the Earth's atmosphere at 10 times the speed of sound.  If all of the kinetic…

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Q: At what point do the Celsius and Kelvin temperature scales have the same value? A.never B.when water…

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Q: 1. Heat flows from one body to other when they have A. different heat contents B. differ

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 1. Which of the following thermal variables is not a state function? a. Pressure b. Internal Energy…

A: Correct answer is option (e) i.e. work

Q: Three separate 2.5 g blocks of X, Y, and Z metals at 25°C each absorb 0.205 kJ of heat. Which block…

A: Which block reaches the highest temperature. given,  mass of each blockm=2.5 gInitial…

Q: Make a table to differentiate the characteristics of pressure, volume, temperature, change internal…

A: isothermal adiabatic

Q: The total power radiated per unit area of temperature T is R. If the temperature increases by 4T,…

A: Write the expression for the radiated power per unit area. Here, P is the power, σ is the Stefan…

Q: 4. The kinetic theory of gases predicts that, at a given temperature, a) All of the molecules in a…

A: 4(b) is correct All the molecules of the gas have  the same energy

Q: 32. Farmers often spray water on a crop to prevent freeze damage when the air temperature drops well…

A: When water undergoes a phase change from liquid to solid (freezing), it releases heat in the process…