When the following equation is balanced, the coefficient of HNO3 ...

[Mr.Thesaxman]

When the following equation is balanced, the coefficient of HNO3 is ________. HNO3 (aq) + CaCO3 (s)  Ca(NO3)2 (aq) + CO2 (g) + H2O (l)
 
  A) 1
  B) 2
  C) 3
  D) 5
  E) 4

Question 2

The best way to handle hazardous wastes is
 
  A) to bury them.
  B) to incinerate them.
  C) to chemically modify them.
  D) to avoid producing them.

[brittrenee]

Answer to Question 1

B

Answer to Question 2

D

[Mr.Thesaxman]

Excellent

[amandalm]

Gracias!