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Which of the following pairs of substances has the higher chemical potential (?) under the specified conditions? They may be equal. 1.) H2O (s) at -1 degrees Celsius and 1 bar, or H2O (s) at 1 degrees Celsius and 1 bar 2.) H2O (g) at 100 degrees Celsius and 1 bar, or H2O (l) at 100 degrees Celsius and 1 bar 3.) H2O (g) at 105 degrees Celsius and 1 bar, or H2O (g) at 105 degrees Celsius and 2 bar 4.) H2O (g) at 95 degrees Celsius and 1 bar, or H2O (l) at 95 degrees Celsius and 1 bar 5.) KBr (s) in contact with unsaturated aqueous solution of KBr at 25 degrees Celsius and 1 bar
A compound is 42.9% C, 2.4% H, 16.7% N, and 38.1% O, by mass. Addition of 6.00 grams of this compound to 50.0 ml benzene, C6H6 (d = 0.879 g/mL), lowers the freezing point from 5.53 to 1.37 degrees celsius. What is the molecular formula of this com..
Calculate the partial pressure of each gas and the total pressure after the valve between the flasks is opened. P(He) in mmHg P(Ar) in mm Hg Ptotal in mm Hg
1 oz of gold (density=19.3 g/ml) can be hammered into a sheet which would cover a 1.00 x 10^2 ft^2 area what is the thickness.
30.0 mL of 0.150 M CH3CO2H are titrated with 0.150 M NaOH. What is the pH of the solution after 15.0 mL of NaOH has been added. The Ka for acetic acid is 1.80 x 10-5
How many moles of methane occupy a volume of 2.00 l at 50.0*C and0.500 atm? (R=0.0821 atm*L/molxK)
Acrylonitrile, C3H3N (53.07 g/mol), is used in the synthesis of a variety of plastics. What mass of acrylonitrile can be produced from a mixtur.
There are three resonance contributors. Draw all resonance structures for H2CNO2 and show all nonbonding electrons and formal charges
What mass of water is produced from the complete combustion of 8.10×10?3 of methane
Suppose you have a sample of sodium weighing 11.62 g. How many atoms of sodium are present in the sample?
What is the boiling point of a solution made using 773 g of sucrose, C12H22O11, in 0.275 kg of water,H2O?
Which of the following compounds would you expect to be ionic?
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78
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