« previous next »

Author Question: If the following ions Ba2+, Cl-, K+ and SO42- are placed in a test tube, the precipitate formed is ... (Read 59 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Aug 27, 2018
If the following ions Ba2+, Cl-, K+ and SO42- are placed in a test tube, the precipitate formed is ________.
 
  A) BaSO4
  B) KCl
  C) BaCl2
  D) K2SO4

Question 2

Doubling the concentration of A leads to doubling the rate, while doubling the concentration of B quadruples the rate. The rate equation is, therefore, ________.
 
  A + B  C
  A) Rate = kAB2
  B) Rate = kA
  C) Rate = kA2
  D) Rate = kA2B

Question 3

New technologies provide current benefits, but often present future risks.
 
  Indicate whether the statement is true or false


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Electrostatic interactions of oppositely charged ions of salt Electrostatic interactions of oppositely charged ions of salt
Pregnancy test Pregnancy test
The patient is placed between the X-ray tube, which emits a cone-shaped X-ray beam, and the film or ... The patient is placed between the X-ray tube, which emits a cone-shaped X-ray beam, and the film or ...
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
Performing the Trendelenburg test: Watching for filling Performing the Trendelenburg test: Watching for filling
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library