If the following ions Ba2+, Cl-, K+ and SO42- are placed in a ...

[Mimi]

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]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

TRUE