Copy of Change of Internal Energy - Prac 1 (5/28/2026)

Last updated about 3 hours ago

6 questions

Required

Copy of Change of Internal Energy - Prac 1 (5/28/2026)

Last updated about 3 hours ago

6 questions

Use the two examples and your notes provided in class to assist you with the following questions.

Work each one out on a sheet of paper and be prepared to share images of your work - I will ask you to take images of your work and attach them to the end of this formative as evidence of your effort.

Grading - this assignment is primarily graded on effort, if you try, you will earn points, if you give up and do not try, you will not earn points. Because of this, I will not accept late work, in any form, on this assignment.

Be sure to include the units in each of your answers.

A certain system absorbs 350 joules (J) of heat and has 230 J of work done on it. What is the internal energy of this system? 
Do not forget to include the units.
_______ 

For a certain change, the value of U is –2.37 kJ. During the change, the system absorbs 650 J. How much work did the system do?
_______ 

A system receives 419 kJ of heat from its surroundings and does 389 kJ of work on the surroundings. What is the change in its internal energy?
_______ 

A system gives off 196 kJ of heat to the surroundings and the surroundings do 420 kJ of work on the system. What is the change in the internal energy of the system? 
_______ 

A system gives off 3.5 kJ of energy and does 1.25 J of work on its surroundings. What is the change of internal energy to the system?
_______ 

Required

Take an image of your work and attach it here.

Click the image symbol and use it to take an image of your work, using the camera on your device, and to attach it.

Alternatively, you can take an image of your work using your cellphone, save it as a Google image, and attach it as a Google image.

Copy of Change of Internal Energy - Prac 1 (5/28/2026)

Copy of Change of Internal Energy - Prac 1 (5/28/2026)

Take an image of your work and attach it here.Click the image symbol and use it to take an image of your work, using the camera on your device, and to attach it.Alternatively, you can take an image of your work using your cellphone, save it as a Google image, and attach it as a Google image.

Take an image of your work and attach it here.Click the image symbol and use it to take an image of your work, using the camera on your device, and to attach it.Alternatively, you can take an image of your work using your cellphone, save it as a Google image, and attach it as a Google image.

Take an image of your work and attach it here.

Click the image symbol and use it to take an image of your work, using the camera on your device, and to attach it.

Alternatively, you can take an image of your work using your cellphone, save it as a Google image, and attach it as a Google image.

Take an image of your work and attach it here.

Click the image symbol and use it to take an image of your work, using the camera on your device, and to attach it.

Alternatively, you can take an image of your work using your cellphone, save it as a Google image, and attach it as a Google image.