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Explain the relationships among the change in the degree of order, the change in entropy, and the change in free energy that occur during chemical reaction.
MgNH4PO4.6H2O loses H2O stepwise as its is heated between 40 degree celcius and 60degree celcius the monohydrate is formed and above 100 degree celcius the anhydrous is formed what are the phosphorus percent of monohydrate and of the anhydrous mat..
Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00
What is the free energy change, ?G°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Kc = 0.020
Calculate the amount of heat required to completely sublime 68.0 g of solid dry ice CO_2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kj/mol.
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
In a beaker of boiling water, there are many gas bubbles forming throughtout the liquid. What gas comprises the bubbles.
What is the molarity of a solution made with 2.4g of LiOH (molar mass=23.9g/mol) dissolved to make 1.5L of solution
Must use heating method and provide complete list of items used as well as the variables. A hypothesis, aim and title will be greatly appreciated.
a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
On a clear day at sea level, with a temperature of 25 degrees Celsius, the partial pressure of N2 in air is 0.78 atm and the concentration of nitrogen in water is 5.3 x 10^-4 M. When the concentration in water is 1.1 x 10^-3 M what is the partial ..
An aqueous solution containing 5.38g of an optically pure compound was diluted to 200.0 ml with water placed in a polarimeter tube 20.0cm long. The measured rotation was -3.43degrees at 25 C. Calculate the specific rotation of the compound.
when carbon dioxide dissolves in water carbonic acid h2co3 is formed. when this enters limestone caco3 it dissolves the
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