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

Author Question: The oxidation state of oxygen in OF2 is ________. A) +1 B) +2 C) 0 D) -1 E) ... (Read 29 times)

joe

  • Hero Member
  • *****
  • Posts: 627
The oxidation state of oxygen in OF2 is ________.
 
  A) +1
  B) +2
  C) 0
  D) -1
  E) -2

Question 2

The molecular geometry of the H3O+ ion is ________.
 
  A) linear
  B) tetrahedral
  C) bent
  D) trigonal pyramidal
  E) octahedral

Question 3

The decomposition of N2O5 in solution in carbon tetrachloride proceeds via the reaction 2N2O5 (soln)  4NO2 (soln) + O2 (soln)
 
  The reaction is first order and has a rate constant of 4.82  10-3 s-1 at 64 C. If the reaction is initiated with 0.072 mol in a 1.00-L vessel, how many moles remain after 151 s?
  A) 0.067
  B) 0.074
  C) 0.035
  D) 9.6
  E) 1.6  103

Question 4

Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.322 M in formic acid and 0.178 M in sodium formate (NaHCO2 ). The Ka of formic acid is 1.77  10-4.
 
  A) 35.6
  B) 0.1011
  C) 10.8
  D) 1.03  10-3
  E) 3.488



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

D

Answer to Question 3

C

Answer to Question 4

B




joe

  • Member
  • Posts: 627
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library