When a reaction shows one arrow pointing from left to right, this ...

[shofmannx20]

When a reaction shows one arrow pointing from left to right, this means ________.
 
  A) the reaction has reached equilibrium
  B) the reaction favors the right direction
  C) there is practically no reactant left
  D) both B and C

Question 2

When the equation below is balanced, the coefficient of copper is:
 
  Zn + CuSO4  ZnSO4 + Cu
  A) 0
  B) 1
  C) 2
  D) 3

Question 3

The amount of aluminum on the earth today relative to the amount 100 years ago when Al was first commercially extracted from bauxite, an aluminum containing ore,
 
  A) is essentially the same.
  B) is decreasing rapidly due to production of aluminum beverage containers.
  C) is decreasing, but more slowly recently due to interest in recycling.
  D) is actually increasing due to recycling efforts and more energy efficient production methods.

[k.lashomb]

Answer to Question 1

B

Answer to Question 2

B

Answer to Question 3

A

[shofmannx20]

Thank you!

[k.lashomb]

Always glad to help...