« previous next »

Author Question: Balance the equation: Fe + O2 Fe2O3 What will be an ideal ... (Read 55 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Aug 27, 2018
Balance the equation: Fe + O2  Fe2O3
 
  What will be an ideal response?

Question 2

14 g of nitrogen will yield ________ g of nitrogen dioxide.
 
  N2 + 2 O2  2 NO2
  A) 23
  B) 46
  C) 92
  D) 194

Question 3

Why is HF in water considered a weakly acidic solution, while HCl and HBr in water are considered strongly acidic solutions?
 
  A) HF does not dissolve in water.
  B) HF only partially dissociates into ions in water.
  C) HF has a weak conjugate base, .
  D) Both B and C are correct.


gstein359

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Aug 27, 2018
Answer to Question 1

4 Fe + 3 O2  2 Fe2O3

Answer to Question 2

B

Answer to Question 3

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

How to find the equation of a cosine curve How to find the equation of a cosine curve
A model for mixed inhibition: equation A model for mixed inhibition: equation
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
Acid–Base Balance Acid–Base Balance
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1 Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1
Video: Hip Animation

For a complete list of videos, visit our video library