Answers edited by Alex D.

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• How can water be a lewis base?
  
• Can matter be destroyed?
  
• Question #c3d89
  
• How can a chemical change be sped up?
  
• How can the concentration of water in solution be decreased?
  
• How do you calculate something on a pH scale?
  
• How does nuclear fission work with uranium?
  
• How do the laws of conservation apply to changes of state?
  
• Question #a2afa
  
• What is precision in chemistry?
  
• How are supersaturated solutions prepared?