Author Question: Which one of the following is an exothermic process? A) ice melting B) water evaporating C) ... (Read 212 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
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


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
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

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311

 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library