Molecules can exist as: A)solids B) liquids C) gases D) all of the above

Chemistry

1 answer:

DerKrebs [107]3 years ago

6 0

I believe it is D. Hope this helps you!

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Convert 6.75 atm to torr Hg (using dimensional analysis method)

Naily [24]

Well, torr and Hg are different units, but they have the same conversiton with atm.

The conversion for atm to torr or mmHg is 1 atm = 760 torr = 760 mmHg.

Because you have 6.75 atm you can find both the torr and mmHg.

To use dimensional analysis just make sure that you cancel out your units as you go.

6.75 atm * (760 torr / 1 atm) = 5130 torr or 5.13 x 10 to the -3 torr with significant figures.

I hope this helped.

5 0

4 years ago

A research team has just discovered a new element called Likhitium. Now they need to determine the average atomic mass in order

earnstyle [38]

The question is incomplete, the complete question is shown in the image attached to this answer.

Answer:

139.13

Explanation:

The average atomic mass of the element Likhitium is the sum of the relative abundance of all the isotopes of Likhitium.

We obtain the relative atomic mass of Likhitium as follows;

(44.7/100 * 138) + (52.3/100 * 139) + (0.5/100 * 140) + (2.5/100 * 141)

61.7 + 73.2 + 0.7 + 3.53 = 139.13