This topic contains a solution. Click here to go to the answer

Author Question: A catalyst that is present in a different phase from the reacting molecules is called a(n) ________ ... (Read 48 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
A catalyst that is present in a different phase from the reacting molecules is called a(n) ________ catalyst.
 
  Fill in the blank(s) with correct word

Question 2

Magnesium and nitrogen react in a combination reaction to produce magnesium nitride:
 
  3 Mg + N2  Mg3N2
 
  In a particular experiment, a 8.33-g sample of N2 reacts completely. The mass of Mg consumed is ________ g.
  A) 7.23
  B) 21.7
  C) 28.9
  D) 0.92
  E) 13.9

Question 3

The value of H for the formation of phosphorous trichloride from its constituent elements, P2 (g) + 3Cl2 (g)  2PCl3 (g) is ________ kJ/mol
 
  A) -288.1
  B) +432.4
  C) -720.5
  D) +720.5
  E) -432.4

Question 4

Of the following, ________ radiation has the shortest wavelength.
 
  A) X-ray
  B) radio
  C) microwave
  D) ultraviolet
  E) infrared



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

heterogeneous

Answer to Question 2

B

Answer to Question 3

C

Answer to Question 4

A





 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library