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Author Question: If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2? (3 ... (Read 31 times)

DelorasTo

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on: Aug 27, 2018
If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2? (3 ft = 1 yd)
 
  A) 76.2 ft2
  B) 8.47 ft2
  C) 282 ft2
  D) 229 ft2
  E) 68.6 ft2

Question 2

How many C2H4 molecules are contained in 45.8 mg of C2H4? The molar mass of C2H4 is 28.05 g/mol.
 
  A) 9.83  1020 C2H4 molecules
  B) 7.74  1026 C2H4 molecules
  C) 2.71  1020 C2H4 molecules
  D) 3.69  1023 C2H4 molecules
  E) 4.69  1023 C2H4 molecules


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shaquita

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

D

Answer to Question 2

A


DelorasTo

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

amandalm

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Reply 3 on: Yesterday
Excellent

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