The latent heat of vaporisation of water is 2,240 J. If the work done in the process of vaporisation of 1g is 168 J, then the increase in internal energy is? a) 2408 J b) 2240 J c) 2072 J d) 1904 J

Q: How much water remains unfrozen after 55.9 kJ is transferred as heat from 498 g of liquid water…

A: Given data:  Heat transferred (Q) = 55.9 kJ Mass of liquid water (m0) = 498 g Latent heat of fusion…

Q: 9. Ten joules of heat energy are transfered to a sample of ideal gas at constant pressure. As a…

A: Given: The heat supplied is 10 J. The pressure is constant.

Q: How much water remains unfrozen after 53.0 kJ is transferred as heat from 458 g of liquid water…

A: Given Information:- Amount of heat transferred from the water is Q=53.0 kJ Mass of the liquid water…

Q: 1a) A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping,…

A: 1 pound of body weight burns 0.45 Cal/h. Therefore a person with body weight 151 lb(151 pound) burns…

Q: A 4.00 g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of…

A:

Q: A piece of aluminum has a volume of 2.25 x 10-3 m³. The coefficient of volume expansion for aluminum…

A:

Q: If we had a system on which 10 J of work is done and the internal energy change of the system is 3.5…

A: Given: The work done on the system is 10 J. The change in internal energy is 3.5 J.

Q: A thermodynamical system performs work and at the same time exchanges energy to the outside…

A:

Q: How much water remains unfrozen after 58.4 kJ is transferred as heat from 341 g of liquid water…

A:

Q: 37) During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done…

A: In the given question, Amount of heat removed from the system (Q) = 5.0 J The process is isothermal…

Q: An ideal gas heat engine is operating between 227°C and 127°C. It absorbs 104 J of heat at the…

A: Option

Q: How much water remains unfrozen after 48.4 kJ is transferred as heat from 212 g of liquid water…

A:

Q: 5. Compare and contrast heat and thermal energy. O Heat is a measure of the average kinetic energy…

A: Correct : -Thermal energy is a measure of the average kinetic energy of particles in an object, and…

Q: Which of the following requires the greatest heat transfer? One gram of ice at 0C changing to…

A:

Q: The mechanical energy can be completely converted into heat energy but the whole of the heat energy…

A: True

Q: From the given graph, which of the following statements is true? D) T (°C) 120 D 90 60 C 30 T A T B…

A: During phase change , heat supplied at constant temperature is used to change the phase of the…

Q: 1 K calorie is approximately equal to: a. 41.86 J b. 418.6 J c. 4.186 J

A: Required : 1 K cal in joules.

Q: Suppose your favorite TV scientist has equal masses of frozen water (ice) and liquid water. If she…

A:

Q: How much heat transfer occurs from a system, if its internal energy decreased by 150 J while it was…

A: Given: Internal Energy (△U) = - 150 Joule Net work done ( W) = 30 Joule

Q: 25) In a flask, 114.0 g of water is heated using 67.0 W of power, with perfect efficiency. How long…

A:

Q: What is the Kinetic Energy of 2 g of oxygen at -23℃? a) 186.2 J b) 194.86 J c) 201.45 J d)…

A: B

Q: When amount of heat Q is added to a system, and no work is done on it or done by it, its internal…

A: According to the first law of thermodynamic the expression for internal energy is ∆U=Q-WAs the work…

Q: 15) The work done by an ideal gas during on full cycle is 400 J. What is the change in internal…

A: For a cycle, the initial and final state of the system is same. Hence change in any property is…

Q: An ideal diatomic gas follows the thermodynamic cycle illustrated in the given PV-diagram. The…

A:

Q: When an ideal gas confined to a rigid glass container is heated, its pressure and temperature both…

A:

Q: In an industrial process, a gas phase refrigerant reduces its internal energy by 70 kJ by means of a…

A: Given data dU=-70 kJWin=-20 kJWout=+100 kJ

Q: 11) During a particular time interval an air conditioner requires 1.2 kJ of mechanical energy in…

A: To answer: How good is an air conditioner at its job?

Q: How much water remains unfrozen after 56.0 kJ is transferred as heat from 312 g of liquid water…

A: Given Information:- The amount of heat transferred from the water is Q=56.0 kJ The mass of the…

Q: 15. (Application of the 1st Law of Thermodynamics in a closed system) A person weighing 90 kg eats 2…

A: Given, 2 hamburger, one packet of french fires and 200 ml of soda for lunch

Q: 3) A thermodynamic system undergoes a process where its internal energy increases by 200 J. During…

A:

Q: 38) In an adiabatic compression, 200 J of work is done on a gas. What is the change in internal…

A: We have a compression process which is adiabatic in nature where a work of W=-200 J is done on the…

Q: 25 How much work is done in total for n = 100 mol, if the volume changes from an initial 2.27 m² to…

A: Step 1: Given, n = 100 moles, initial volume = 2.27 m3, final volume =  3.9 m3, temperature = 300 K,…

Q: 23. No system can absorb heat from a single reservoir and convert it entirely into work without…

A: According to the second law of thermodynamics, there is no device which converts all the energy into…

Q: On a cold day, a heat pump absorbs heat from the outside air at -10°C and transfers it into a home…

A: Given value--- cold temperatures = - 10 degree C. Hot temperatures = 30 degree C. We have to…

Q: 43) The compressor in a refrigerator performs 580 J of work to remove 160 J of heat from the…

A: