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

Author Question: The base-dissociation constant of ethylamine (C2H5NH2 ) is 6.4 10-4 at 25.0 C. The H+ in a 1.4 ... (Read 47 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Aug 27, 2018
The base-dissociation constant of ethylamine (C2H5NH2 ) is 6.4  10-4 at 25.0 C. The H+ in a 1.4  10-2 M solution of ethylamine is ________ M.
 
  A) 3.7  4.9  10-12
  B) 2.7  10-3
  C) 3.3  10-12
  D) 3.0  10-3
  E) 11.43

Question 2

The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory.
 
  2KClO3 (s)  2KCl (s) + 3O2 (g)
 
  What volume (L) of O2 gas at 25 C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO3 (s)?
  A) 4.5
  B) 7.5
  C) 2.3
  D) 3.7
  E) 11

Question 3

When silver nitrate reacts with barium chloride, silver chloride and barium nitrate are formed. How many grams of silver chloride are formed when 10.0 g of silver nitrate reacts with 15.0 g of barium chloride?
 
  A) 8.44 g
  B) 9.40 g
  C) 11.9 g
  D) 18.8 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

GCabra

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C

Answer to Question 3

A


anshika

  • Member
  • Posts: 510
Reply 2 on: Aug 27, 2018
Wow, this really help

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Acid-base balance and imbalance. Acid-base balance and imbalance.
Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa Midway Island, an inhospitable atoll acquired in 1867, was valuable as a military base located midwa
With the rocker arms contacting the base circle of the cam, insert a feeler gauge of the specified ... With the rocker arms contacting the base circle of the cam, insert a feeler gauge of the specified ...
How to evaluate a function containing the constant k How to evaluate a function containing the constant k
Reaction at constant-pressure Reaction at constant-pressure
Relative Humidity Changes at Constant Water-Vapor Content Relative Humidity Changes at Constant Water-Vapor Content
Video: Neurosynapse Animation

For a complete list of videos, visit our video library