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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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rizza mae rizza mae
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11 years ago
Use the heat of vaporization ( H= 30.91) and the entropy of vaporization [S = 93.2] to calculate the boiling point  of liquid bromine.

The enthalpy change for the reaction of 60 mL of ethylene with 60 mL of  hydrogen gas (H2) at 1.5  pressure is  (Change) H= -0.37 .

I can't seem to figure out these problems
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#1
11 years ago
First problem:

?G = ?H - T?S

At the boiling point, there is an equilibrium between liquid and gas phase:

0 = 30,910 - T (93.2)

T = 332 K
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