Answers created by Pete Parker

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• How do you solve this system of equations: #4x + 6y = - 78 and x - y = - 2#?
  
• Draw a similar diagram to represent the structure of an atom of 37Cl and suggest an explanation for each of the following observations? a. Atoms of 35Cl and 37Cl have the same chemical properties. b. Atoms of 35Cl differ from those of 37Cl. c. 1 mole of c
  
• The opposite of a catalyst is a/an? Select one: a. anti-reactant b. anti-catalyst c. peroxide d. inhibitor
  
• Why is iron in its particular location on the periodic table?
  
• Explain in terms of bonding, why graphite is soft and diamonds are hard?
  
• How do you solve #a- 4a = 36#?