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Using the definition of the Gibbs free energy it is possible to state the general inequality for Equilibrium and irreversibility, ΔS^* ≥0, for processes at constant P and T in a way that involves system variables only, i.e., ΔG ≤0. Find a corresponding criterion for processes at constant V and T. The new thermodynamic variable that is used to express this criterion is called the Helmholtz free energy?
a sample of oxygen is collected in a 206 ml container over water at 15c and the barometer reads 793 torr. what volume
Suppose that you have 0.500 L of each of the following solutions, and an unlimited supply of water. (Note: C9H7NHBr is a salt containing the ions C9H7NH+ and Br? and C9H7N is quinoline,
Calculate the total heat required (in joules) to convert 3.95 grams liquid ethanol (C2H5OH) at 25.0 °C to gas at 95.0 °C, given that the boiling point of ethanol is 78.5 °C, heat of vaporization is 40.5 kJ/mol, the specific heat of liquid ethanol is ..
Calculate the change in molar Gibbs energy of tristearin when a deap-sea creature is brought to the surface ( p=1atm) from a depth of 2km. To calculate the hydrostatic pressure, take the mean density of water to be 1.03g/cm
Iodine-131 is a radioactive isotope. After 7.00 days, 54.7% of a sample of 131I remains.
Determine the molecular formula of the compound at the temperature of 120 degrees celsius and Pressure 750 mm hg, if 1 l of the gaseous compound weighs 2.3 grams? '
consider the chemical species if5 and if4a. identify appropriate bond angles of eachb. identify orbital hybridization
A sample of propane,C3H8, contains 13.4 moles of carbon atoms. How many total moles of atoms does the sample contain?
The equation for the line in the graph is y= .83x + 0.1226. I do not know if I use this equation or the beer's law
We did a lab on equilibrium and le chatelier's principle. On one portion, there was a copper complex, and we had to add different components to a solution and write down the changes that took place
A mixture of aluminum and zinc weighing 1.67g was completely dissolved in acid to give 1.69L of hydrogen gas measure at STP. What is the weight of aluminum in the original mixture
what is the volume of the hydrogen gas (at25oC and 100KPA) needed to produce 51.1g of ammonia?
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