3 years ago

How many moles of ethyl alcohol, C2H6O, are in a 27.0g sample

1 answer:

3 0

C=12 g/mole
H=1 g/mole
O=16 g/mole
2(12)+6(1)+16=46 g/mole C2H6O
46 g/27 g =1 mole/x mole⇒ x≈0.58
the answer is about 0.58. hope helped ;)

You might be interested in

100 points will to help

FromTheMoon [43]

Answer:

6. 350kg

7. 800kg

8.600 meters

Explanation: I don’t like Stealing point but this is what I think I should give you and I don’t know how your teacher learn you this...

8 0

3 years ago

Read 2 more answers

A chemical reaction is carried out in a closed container. the energy absorbed by the chemical reaction is 100 kj. What is the en

lubasha [3.4K]

Answer:

Option A

Explanation:

The total heat absorbed during the chemical reaction is the total heat released by the surrounding.

Net change of heat is equal to zero

Hence, the energy liberated from the air or the walls of the containers would be equal to the energy absorbed by the chemical reactions is equal to 100 Kj

Thus, option A is correct

8 0

3 years ago

........PLEASE HELP........

murzikaleks [220]

You can look your question up in the Brainly ask your question. It’s in there!

5 0

3 years ago

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0

QveST [7]

Answer:

1760 HZ

Explanation:

Just took the test

Hope this helps :)

4 0

3 years ago

Read 2 more answers

Which is the correct Lewis dot structure of NH2? A. A B. B C. C D. D E. E

Serggg [28]

Answer:

please I think the answer is A.

please show appreciation if it helps

and sorry if it doesn't help.

5 0

3 years ago

Read 2 more answers