The boiling point of mercury at 1 atm is 357 celsius, and the amount of heat necessary to reversibly evaporate a kilogram of mercury already at the boiling point is aq = 72780 kilogram of mercury undergoing a process of evaporation: cal. detrmine for a. a) work done by the mercury vapor against the atmosphere assuming it behaves as an ideal gas
b) the change in internal energy c) the change in entropy d) the change in enthalpy e) the change in helmholtz free energy f) the change in gibbs free energy necessary data: the density of liquid mercury is 13.55 kg/l hint: you can treat the mercury vapor as an ideal gas. note that you don't need to know the equation of state of liquid mercury for this particular problem. you can calculate everything necessary with knowledge from blocks two and three.

measure their densities same density, same sub

-first use of geothermal energy occurred more than 10,000 years ago in north america by american paleo-indians

-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

-as effect of climate change started showing results, governments of various countries joined hands to fight against it, for which kyoto protocol was signed in japan in 1997, laid out emission targets for rich countries and required that they transfer funds and technology to developing countries, 184 countries have ratified it

hope this

e/c, where e is its total energy

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