10 key

Directions: Modified True or False: Write T if the statement is correct, if its false change the underlined words to make the statement correct. 1. Heat flows normally from higher temperature to lower temperature which is a non-spontaneous process. 2.Heat engine is any device that converts chemical energy into mechanical work. 3. By doing work or by heating, internal energy can be decreased. 4.The total kinetic and potential energy of all its particles is the internal energy of a body.

A constant pressure process with 0.605 lbm of air and a starting temperature of 98°F has a change in volume from 24.8 in to 6.3 in³. Determine the work of the process in ft-lbf. Be sure to use the correct sign with your answer. Give your answer to the nearest integer. Work = ft-lbf

the question is attached , solve all the parts with correct formulas and equations step by step

Strictly Chatgpt Answer is not allowed !! Please provide Answer in Handwritten format with correct explanation. Mechanical engineering

Subject: Thermodynamics IPlease present your solution in a readable and orderly manner.

QUESTION 25 The temperature at state A is 20°C, that is 293 K. What is the heat (Q) for process A to D, in MJ (MegaJoules)? (Hint: What is the change in thermal energy and work done by the gas for this process?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 5 4 3 2 1 O A D 1 1 2 3 4 B I 5 → V (m³)

Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas As you know, the parameters of an ideal gas are described by the equation PV = nRT, where p is the pressure of the gas, V is the volume of the gas, 72 is the number of moles, R is the universal gas constant, and T is the absolute temperature of the gas. It follows that, for a portion of an ideal gas. T One can see that, if the amount of gas remains constant, it is impossible to change just one parameter of the gas: At least one more parameter would also change. For instance, if the pressure of the gas is changed, we can be sure that either the volume or the temperature of the gas (or, maybe, both!) would also change. To explore these changes, it is often convenient to draw a graph showing one parameter as a function of the other. Although there are many choices of axes, the most common one is a plot of pressure as a function of volume: a pV diagram. In this problem, you will be asked a…

Work from a stone 12 1) A stone with heat capacity C = 1.4 J/K is left outside on a cold day to reach a temperature of 273.15 K. The stone is then brought inside where the air temperature is 293.15 K. The stone is used as the cold side of a reversible engine. (The air is the hot side.) What is the maximum work that can be accomplished? 1.3584 Submit Help Submit J 2) Now imagine that the same stone is used as the cold side of the reversible engine, but it is first cooled to the temperature 263.15 K, while the warmer temperature inside is only 283.15 K. How much work can be obtained in this situation? J

I'm having a hard time figuring out which equation I need to be using to plug in the data into the table. Help!

Please explain

7. Write the formula for the computation of work if it is isobaric. 8. If the gas (system) is expanding, is the work positive or negative? 9. If heat is absorbed by the system, is q positive? 10. What is the conversion factor between Latm and joule?

Topic: Ideal gas process Instructions: Answer the following review questions and show complete solutions. *please write legibly. Thank you

Q1 please

Homework problem 1  Nitrogen is compressed in a reversible process in a cylinder from 100 kPa, 20°C to 500 kPa. During the compression process, the relation between pressure and volume is PV1.3 = constant (C, = 0.744 kJ/kg.K). Calculate (a) the work R = 0.2966 Q, = 50 MW River    This is not a exam problem I need help on this homework question. I woul like help on a step by step solution so I can see and understand the problem. Can you please show all of work.

QUESTION 8 A 150W solar PV panel produces 15V and 7A when it is connected to a load under solar insolation of 700W/m 2. If the panel area is 1.5m 2 answer the following question Use the following formula P-AxI Pou-IxV n-Pow P a. Calculate the input power to the solar panel in Watt? b. What is the output power in Watt? C. What is the efficiency at this moment? 96 d. If the system is giving the full output, what is the efficiency? 96

Direction: Write (v) if the statement is correct and (X) if the statement is incorrect. 4. Heat is the quantity of kinetic energy absorbed or given off by a body. 5. Waste heat is the amount of heat that is not converted to into work. 6. Heat can increase the internal energy of an object as it excites the molecules when subjected to lower temperatures. _7. In measuring body temperature when you have a fever, the heat is flowing from the thermometer to the armpit. 8. Hot objects have high internal energy as the molecules in them are slow moving. _9. Energy transfer in the form of heat can result in the performance of work upon the system or the surroundings. 10. Absolute zero (OK) corresponds to -2730 C.

Q3/ a/ ITRNACE On= 80MW Wnet.out НЕ OL = 50 MW RIVER Determine thermal efficiency

Convert Thermodynamics

Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation PV = nRT where p is the pressure of the gas, V is the volume of the gas, 12 is the number of moles. R is the universal gas constant, and T is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, constant. One can see that, if the amount of gas remains constant, it is impossible to change just one parameter of the gas: At least one more parameter would also change. For instance, if the pressure of the gas is changed, we can be sure that either the volume or the temperature of the gas (or, maybe, both!) would also change. To explore these changes, it is often convenient to draw a graph showing one parameter as a function of the other. Although there are many choices of axes, the most common one is a plot of pressure as a function of volume: a pV diagram. pV In this problem, you will…

This mechanical engineering question requires a handwritten solution. Don't use Artificial intelligence tools

GRADE RECOVERY) ehavior of Gases e-Test Active TH 10 A gas has an initial volume of 168 cm³ at a temperature of 255 K and a pressure of 1.6 atm. The pressure of the gas decreases to 1.3 atm, and the temperature of the What is the final volume of the gas? O 122 cm3 gas increases to 285 K. O 153 cm3 O 185 cm3 O231 cm3 Mark this and return Save and Exit Submit

Homework 3, Problem 8: Find (Target variables) Givens/Knowns Free Body Diagrams (if applicable) Equations/Concepts Solution Part (a)  Input an expression for the final temperature of the blocks. Tf = ______ Part (b)  What is the final temperature, in degrees Celcius, of the blocks? Tf = ______∘C Part (c)  What was the heat, in joules, transferred to block 1? ΔQ1 = ______ J

The specific heat of liquid water is 4190 J/kg. K. ▼ Part A What is the molar specific heat of liquid water in J/mol. K? Give your answer as a multiple of R, rounded to the nearest half integer. Express your answer as a multiple of R to the nearest half integer. Cmol = 9 R Submit Correct Part B Previous Answers Equal moles of liquid water and helium gas are heated at constant pressure from the same initial temperature to the same final temperature. By what factor is the entropy increase of the water larger than the entropy increase of the helium? Express your answer to two significant figures. AS water ASHe Submit 17| ΑΣΦ Request Answer ?

Direction: Write (V) if the statement is correct and (X) if the statement is incorrect. 1. The heat lost by one object equals the heat gained by another object. 2. Temperature indicates the direction in which heat flows while heat is the actual energy transferred. _3. Heat is the energy that transfer from a body of higher temperature to another body of lower temperature. 4. Heat is the quantity of kinetic energy absorbed or given off by a body. 5. Waste heat is the amount of heat that is not converted to into work. 6. Heat can increase the internal energy of an object as it excites the molecules when subjected to lower temperatures. _7. In measuring body temperature when you have a fever, the heat is flowing from the thermometer to the armpit. 8. Hot objects have high internal energy as the molecules in them are slow moving. _9. Energy transfer in the form of heat can result in the performance of work upon the system or the surroundings. 10. Absolute zero (OK) corresponds to -2730 C.

help please q26

ull TNT 5:13 PM It is said that independent temperatures are held at 273 K in a volume of 11.35 dm3, its capacity of molar heat at 29.4 J K^-1 mol^-1 Cp. If the gas is heated to 373 K at constant volume in a reversible manner. d. What is the final value of the PV product? e. What is the increase in the gas's enthalpy, AH? What is the increase in the internal energy of the gas, Au? f. What is the increase in the internal energy of the gas, AU?

The drag coefficient for the car is Cp0.29, and the projected area into the 20°C airstream is 2.5 m² At this temperature P=1.202 kg/m³ (Figure 1) Figure 1 of 1 Part A Determine the power the engine must supply to maintain a constant speed of V-145 km/h. Express your answer to three significant figures and include the appropriate units P= Value Submit Provide Feedback 5 Request Answer A Ⓒ Units P 2

Solve the problem

Problem 1  A rectangular tank that is 4 feet long, 7 feet wide, and 9 feet deep is filled with a heavy liquid that weighs 60 pounds per cubic foot. In each part below, assume that the tank is initially full. Include correct units.  c) How much work is done pumping two-thirds of the liquid out over the top of the tank?  d) How much work is done pumping two-thirds of the liquid out of a spout 2 feet above the top of the tank? Note: C does not equal 60,480 lb-ft and D does not equal 80,640 lb-ft

Problem 1  A rectangular tank that is 4 feet long, 7 feet wide, and 9 feet deep is filled with a heavy liquid that weighs 60 pounds per cubic foot. In each part below, assume that the tank is initially full. Include correct units.  d) How much work is done pumping two-thirds of the liquid out of a spout 2 feet above the top of the tank? Note: The answer is neither 80,640 lb-ft nor 53,760 lb-ft

Needs Complete typed solution with 100 % accuracy.

Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation PV = nRT, where p is the pressure of the gas, V is the volume of the gas, n is the number of moles, R is the universal gas constant, and I is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, PV = constant. One can see that. if the amount of aas remains Figure ЗРО 2po Po Vo 4 6 2V 3V V 1 of 1 ▼ Calculate the work W done by the gas during process 1-3→6. Express your answer in terms of po and Vo. W = 4po Vo Submit ✓ Correct Part E Calculate the work W done by the gas during process 2→6. Express your answer in terms of po and Vo. VE ΑΣΦ W = Previous Answers Submit Provide Feedback Request Answer Part F Complete previous part(s) Part G Complete previous part(s) ?