« previous next »

Author Question: Which one of the following is an exothermic process? A) ice melting B) water evaporating C) ... (Read 71 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Aug 27, 2018
Which one of the following is an exothermic process?
 
  A) ice melting
  B) water evaporating
  C) boiling soup
  D) condensation of water vapor
  E) Ammonium thiocyanate and barium hydroxide are mixed at 25 C: the temperature drops.

Question 2

Osmium has a density of 22.6 g/cm3. What volume (in cm3 ) would be occupied by a 21.8 g sample of osmium?
 
  A) 0.965
  B) 1.04
  C) 493
  D) 2.03  10-3
  E) 2.03  103
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Aug 27, 2018
Answer to Question 1

Posted another one can you check that one too? Thanks.

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

tsand2

  • Hero Member
  • *****
  • Posts: 520
Reply #2 on: Aug 27, 2018
Thank you!


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

A Summary of the Star Formation Process A Summary of the Star Formation Process
Ripples in Water Ripples in Water
The respiratory system and the process of gas exchange. The respiratory system and the process of gas exchange.
The Importance of Water The Importance of Water
The Best Way to Meet Your Daily Water Needs The Best Way to Meet Your Daily Water Needs
Water forms spheres of hydration Water forms spheres of hydration
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library