[Answered] Optical brighteners are often added to A) detergents. B) soaps. C) cosmetics. D) They are ...

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Author Question: Optical brighteners are often added to A) detergents. B) soaps. C) cosmetics. D) They are ... (Read 32 times)

gbarreiro

Hero Member
Posts: 566

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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Marked as best answer by a Subject Expert

Pamela.irrgang@yahoo.com

Sr. Member
Posts: 323

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

D

gbarreiro

Hero Member
Posts: 566

Reply #2 on: Aug 27, 2018

Thank you!

Pamela.irrgang@yahoo.com

Sr. Member
Posts: 323

Reply #3 on: Aug 27, 2018

Always glad to help...

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Author Question: Optical brighteners are often added to A) detergents. B) soaps. C) cosmetics. D) They are ... (Read 32 times)

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