2.5 kJ/mol 25 meV 1000 kJ/mol 100 kJ/mol 25 kJ/mol 100 meV

Q: ___________ states that internal energy is a function of state and the increase in internal energy…

A: 1. First law of thermodynamics is based on the conservation of energy, that distinguish two kinds of…

Q: Explain the working principle of the following: Heat pumps Heat engines…

A: 1. Heat pump: The operating principle of a heat pump is based on the physical property that the…

Q: Suppose a motorcycle increases the downward componentof the magnetic field within a loop only from…

A: side of square,  s =0.75 m  induced emf, e = 1.4 x 10-4 V Change in magnetic field, dB = (1.9 -1.2)…

Q: Filament light bulbs, also called incandescent bulbs, operate by passing an electrical current…

A: Let the energy consumed by the filament of the bulb = E Percentage of energy converted into heat =…

Q: 1)Energy Efficiency at Home  ​Suppose you have two kettles – a plug-in electrickettle and a stovetop…

A: Given: Electric kettle efficiency is 58% Stovetop kettle efficiency is 98%

Q: Carbon footprint calculations It is the middle of winter and I have the option of buying tomatoes…

A:

Q: Hydroelectric plants convert electrical energy to mechanical energy.

A: B

Q: how do certain location the solar power per unit area reaching earth surface is 200 w/m^2 averaged…

A:

Q: Describe about energy diagrams.

A:

Q: Q5 / (A) Define a photovoltaic cell, explain its working principle, with the materials used in its…

A: Defination : The Photovoltaic Effect is the phenomenon in which, when the light rays falls on on a…

Q: Define the typical efficiencies of conventional and high-efficiency electric and natural gas water…

A:

Q: What is a renewable hybrid system? Explain why it is preferred, its advantages by drawing shapes and…

A: The system consists of two or more renewable energy sources used together to provide increased…

Q: Explain why leaving a bicycle outdoor during a hot day will cause a blowout.

A: We know that according to ideal gas law Pressure is directly proportional to the temperature  of…

Q: Imagine a fan running in a well-sealed and well-insulated room. Describe the type of system, the…

A: It is clearly mentioned that the fan is placed in a well insulated and well sealed room. Due to this…

Q: If the energy efficiency ratio of a refrigerator is 17, what is its coefficient of performance? А.…

A:

Q: In the melting of an ice cube, the energy that is applied to change the molecular structure from…

A: Entropy is the measure of randomness or disorder.

Q: Explain what is electromagnetic induction, and use it to illustrate the working principle of an…

A:

Q: Q21 Is is ever possible to move heat from a cooler to a warmer temperature? Explain.

A: Given: is ever possible to move heat from a cooler to a warmer temperature? Explain.

Q: POWER PLANTS why are many coal-burning and nuclear power plants located near rivers ( second law of…

A: In power plants ,in the process of producing power, water is heated to steam at high pressure in a…

Q: The temperature of a 330 ohm resistor through which a current of 2 amps passes is kept constant at…

A: According to the second law of thermodynamics, the change in entropy is ∆S=∆QT........1∆Q-change in…

Q: In the house to rooms are separated by a wall made of brick 4 inch thick Room A is held a constant…

A: Temperature of room A (TA)=300 K Area of wall in room A (AA)=12 m2 Temperature of room B (TB)=273 K…

Q: Help with 11

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Q: What is the definition of emissions

A: Emission: Emission is process of the emission of something in nature, due to any cause. Like…

Q: The heat exhausted to the sink by a gasoline heat engine of a SUV car is twice the mechanical work…

A:

Q: 1) Make a Comparison between Concentered solar panel and Photovoltaic solar panel in term of…

A: Solar power is generated via concentrated solar power systems, which use mirrors or lenses to focus…

Q: define pv cell

A:

Q: The lightbulb of a flashlight creates light and heat, both of which are forms of energy. What is the…

A: Answer  In the light bulb the flow of charge through the filament heats it up and causes it to glow.…

Q: When an electric current passes through a wire, heat energy is produced. The thermometer reading…

A: Given:

Q: Explain the working principle of the following: a. Heat pumps b. Heat engines c. Refrigerators…

A:

Q: Explain each use of the functions U, G, A, H on the thermodynamic potential

A: These four potentials are useful constructs for different types of thermodynamical processes a…

Q: Describe and explain entropy of this situation 1. South Korea before and after 12 years 2. Before…

A: Entropy is the measure  of molecular disorder or randomness of the system .It is measurement of…

Q: Problem An electric heater is to heat 18 kg of oil per min. from 24.5 °C to 185.5 °C. Specific heat…

A:

Q: For the same maximum pressure and temperature, A. Otto cycle is more efficient than Diesel cycle B.…

A: Option b is correct

Q: How would increasing the temperature of the compressed air affect the pressure in the can? Explain…

A: Explaining the concepts,increasing the temperature of the compressed air affect the pressure.

Q: Ronaldo spent 5 hours in the evening watching soccer matches on Felicia him while watching he always…

A: The equation for the first law of thermodynamics is given as; ΔE = Q + W Where, ΔE = change in…

Q: Q3: Compare between flat solar collectors and concentrated solar collectors

A: The comparison between flat solar collectors and concentrated solar collectors are given below:

Q: It took an object 50 seconds to move from point A to B, then to CIf point Bis 10 m, east of point A…

A: Time taken for object to go from A to C through B t=50 s, B is 10 m east of A and 5 m west of C at…

Q: Derive the Entropy expression for a. isothermal process, b. Isometric process and c isobaric process

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: Explain the energy conversion states given: 1-Imagine that the water in a kettle is heated a) over…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Question thin rod of arbitray heat Consider finite length, rod is heated with external ource V, (t),…

A: To answer: (a) Model the problem mentioned in the statemant (b) Solve the modeled by suitable…