« previous next »

Author Question: A compound decomposes by a first-order process. If 17.0 of the compound decomposes in 30 minutes, ... (Read 28 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Aug 27, 2018
A compound decomposes by a first-order process. If 17.0 of the compound decomposes in 30 minutes, the half-life of the compound is ________.
 
  A) 112 minutes
  B) 12 minutes
  C) 8 minutes
  D) 223 minutes
  E) 56 minutes

Question 2

Which one of the following processes produces a decrease of the entropy of the system?
 
  A) dissolving sodium chloride in water
  B) sublimation of naphthalene
  C) dissolving oxygen in water
  D) boiling of alcohol
  E) explosion of nitroglycerine


paavo

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

justinmsk

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


paavo

  • Sr. Member
  • ****
  • Posts: 301
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The human body produces and destroys 15 million blood cells every second.

The human birth process as an example of positive feedback. The human birth process as an example of positive feedback.
The process of placing a stent in a blood vessel. (A) A catheter is used to place a collapsed stent The process of placing a stent in a blood vessel. (A) A catheter is used to place a collapsed stent
Client files are kept in alphabetical order in locked file cabinets. Client files are kept in alphabetical order in locked file cabinets.
Diffusion as an entropy-driven process Diffusion as an entropy-driven process
Fracture and Repair of Bone Open (Compound) Fracture and Repair of Bone Open (Compound)
Termination of the process of translation Termination of the process of translation
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library