Answers created by Gloria P.

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• Question #91da1
  
• Is the equation #4NH_3 -> 2N_2 + 6H_2# balanced and in the lowest form?
  
• What are valence electrons used for by an element?
  
• Question #7794f
  
• How many atoms are in .54 moles Pb?
  
• How many liters of 8.0M #HCl# are needed to prepare 1.50 L of 2.5M #HCl#?
  
• Question #0069e
  
• What is an example of a chemical property of water?