This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: According to the first law of thermodynamics, the energy of the universe is constant. Does this mean ... (Read 26 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Mar 21, 2021

Question 1

A gas absorbs 0.0 J of heat and then performs 30.8 J of work. The change in internal energy of the gas is

◦ 61.6 J.
◦ 30.8 J.
◦ –61.6 J.
◦ –30.8 J.
◦ none of these are correct.

Question 2

According to the first law of thermodynamics, the energy of the universe is constant. Does this mean that ΔE is always equal to zero?

◦ Yes, ΔE = 0 at all times, which is why q = -w.
◦ No, ΔE does not always equal zero, but this is only due to factors like friction and heat.
◦ No, ΔE does not always equal zero because it refers to the system's internal energy, which is affected by heat and work.
◦ No, ΔE never equals zero because work is always being done on the system or by the system.
◦ No, ΔE never equals zero because energy is always flowing between the system and surroundings.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by colton on Mar 21, 2021

Tonny

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


colton

  • Member
  • Posts: 627
Reply 2 on: Mar 21, 2021
Gracias!

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Every flu season is different, and even healthy people can get extremely sick from the flu, as well as spread it to others. The flu season can begin as early as October and last as late as May. Every person over six months of age should get an annual flu vaccine. The vaccine cannot cause you to get influenza, but in some seasons, may not be completely able to prevent you from acquiring influenza due to changes in causative viruses. The viruses in the flu shot are killed—there is no way they can give you the flu. Minor side effects include soreness, redness, or swelling where the shot was given. It is possible to develop a slight fever, and body aches, but these are simply signs that the body is responding to the vaccine and making itself ready to fight off the influenza virus should you come in contact with it.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th
Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea. Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.
Amount of Energy Released by Earthquakes of Different Magnitudes Amount of Energy Released by Earthquakes of Different Magnitudes
The seven chakras or energy centers in Ayurvedic philosophy. Courtesy of Rev. Larissa Dahroug, ... The seven chakras or energy centers in Ayurvedic philosophy. Courtesy of Rev. Larissa Dahroug, ...
The Energy Crisis The Energy Crisis
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Bone Growth and Remodeling

For a complete list of videos, visit our video library