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Author Question: A scientific law summarizes data while a scientific theory explains the data. Indicate whether ... (Read 147 times)

ts19998

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A scientific law summarizes data while a scientific theory explains the data.
 
  Indicate whether the statement is true or false

Question 2

Which of the following factors could increase the reaction rate?
 
  2A + B2  2AB
   I. decreasing the temperature
   II. adding a catalyst
   III. increasing the surface area of solid reactants
  A) I and II
  B) I, II, and III
  C) I and III
  D) II and III
  E) III only

Question 3

Atoms and molecules with odd numbers of electrons are called
 
  A) ions.
  B) odd.
  C) covalent.
  D) free radicals.



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fwbard

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Answer to Question 1

TRUE

Answer to Question 2

D

Answer to Question 3

D





 

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