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Author Question: Optical brighteners are often added to A) detergents. B) soaps. C) cosmetics. D) They are ... (Read 90 times)

gbarreiro

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on: Aug 27, 2018
Optical brighteners are often added to
 
  A) detergents.
  B) soaps.
  C) cosmetics.
  D) They are added to all of the above.

Question 2

Burning 1.000 mol of methane in oxygen to form carbon dioxide and water produces 803 kJ of energy. How much energy is produced when 4.000 mol of methane is burned?
 
  A) 358.0 kJ
  B) 1606 kJ
  C) 1205 kJ
  D) 3212 kJ


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Pamela.irrgang@yahoo.com

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


gbarreiro

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Reply #2 on: Aug 27, 2018
Thank you!


Pamela.irrgang@yahoo.com

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Reply #3 on: Aug 27, 2018
Always glad to help...


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