This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The molecular mass of a compound X(NO3)3 is 213. The atomic mass of X is ________, which is ... (Read 138 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Aug 27, 2018
The molecular mass of a compound X(NO3)3 is 213. The atomic mass of X is ________, which is ________.
 
  A) 27; Al
  B) 51; V
  C) 56; Fe
  D) 59; Co

Question 2

Which statement is true about equilibrium?
 
  A) The forward reaction rate is greater than the reverse reaction rate.
  B) The reverse reaction rate is greater than the forward reaction rate.
  C) The forward reaction rate is equal to the reverse reaction rate.
  D) Either A or B depending on the reaction.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


sammy

  • Member
  • Posts: 818
Reply 2 on: Aug 27, 2018
Excellent

hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Approach used to determine the evolutionary relationships among many animal species using molecular Approach used to determine the evolutionary relationships among many animal species using molecular
Molecular Shapes Molecular Shapes
Molecular complementarity permits tight protein bonding via multiple noncovalent Molecular complementarity permits tight protein bonding via multiple noncovalent
Mass Wasting Triggers Mass Wasting Triggers
Normal compound eye of adult Drosophila Normal compound eye of adult Drosophila
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library