Sunday
March 29, 2015

Homework Help: chemistry

Posted by Lena on Wednesday, March 30, 2011 at 8:52pm.

A studen is asket to calculate the amount of heat involved in changing 10.0 g of liquid bomine at room temperature (22.5 C) to vapor at 59.0 C. To do this, one must know specific heat (0.474 J/g*C), boiling point (59 C), and heat of vaporization (29.6 kJ/mol) of bromine.In addition, the following step-wise process must be followed.

a) Calculate delta H for: Br2 (l, 22.5 C) --> Br2 (l, 59.0 C)

b) Calculate delta H for: Br2 (l, 59.0 C) --> Br2 (g, 59.0 C)

c) Using Hess's law, calculate delta H for: Br2 (l, 22.5 C) --> Br2 (g, 59.0 C)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Science (Dr. Bob222) - Liquid chloroform (CHCl3) is placed in a ...
CHEMISTRY - if a pure liquid in a sealed container is in equilibrium with its ...
(1-11) Chemistry - Science (Dr. Bob222) - Liquid chloroform (CHCl3) is placed in...
chemistry - The freezing point of mercury is -38.8C, is the only metal that is ...
Chemistry - The freezing point of mercury is -38.8C, is the only metal that is ...
Chemistry - The freezing point of mercury is -38.8C, is the only metal that is ...
Ap Chemistry - at 25 degrees Cliquid A has a vapor pressure of 100.0 torr, while...
science - chemistry - Some heat is supplied to a mixture of ice and liquid water...
AP CHEM-URGENT PLEASE - at 25 degrees C liquid A has a vapor pressure of 100.0 ...
chemistry - which of the following factors affect the vapor pressure of a liquid...

Members