Which one of the following is an exothermic process? A) ice ...

[tsand2]

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]

Answer to Question 1

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

Answer to Question 2

A

[tsand2]

Thank you!

[tsternbergh47]

Always glad to help...