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3 years ago

6

Which method is used to obtain petrol from petroleum?

2 answers:

kotykmax [81]3 years ago

6 0

Explanation:

fractional distillation method is used to obtain petrol from petroleum...

hope it helps

tamaranim1 [39]3 years ago

5 0

Answer:

D fractional distillation

Explanation:

answer from gauth math

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What most likely occurred during this demonstration?

Katena32 [7]

Answer:

Hydrogen gas and a salt formed at the end of the reaction.

Explanation:

Hydrogen Gas has formed which inflated the balloon

Usually, metals and acids react to form a salt and Hydrogen Gas.

Here's what happened:

Zn (s) + 2HCl (aq) → $ZnCl_2$ (aq) + $H_2$ (g)

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3 years ago

a binary mixture is to be fed a continuous distillation column. calculate the minimum number of trays required to achieve a sepa

Taya2010 [7]

Answer:

minimum number of trays:

N = 7 trays

Explanation:

minimum number (N):

N = ( Log ( (Xd / ( 1 - Xd )) * (( 1 - Xb ) / Xb )) ) / Log α....Fenske's Eq. binary mixture

∴ α = 2.5

∴ Xd = 0.96.......molar fraction the distillate

∴ Xb = 0.04 .........molar fraction in the bottoms

⇒ N = ( Log ( ( 0.96 / ( 1 - 0.96 ) ) * ( ( 1 - 0.04 ) / 0.04 )) ) / Log ( 2.5 )

⇒ N = 6.94 ≅ 7 trays

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