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A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80degrees C. what is the final temperature of the gas?
What is the density of gallium in grams per cubic centimeter at 25 C if a 1.00 cube has a mass of 0.2133.
How many grams of carbon dioxide would be obtained from the burning of 92g of ethanol in oxygen?
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
Converting Voltages, Convert the following voltages. Assume the silver-silver chloride and calomel reference electrodes are saturated with KCl, giving cell potentials of +0.197 V and +0.241, respectively.
Change in internal energy E, At 25'C, enthalpy change H for the combustion of liquid octane, C8H8(l), to form CO2(g) and H2O(l) is -5471kJmol-1
How do the shapes of molecules determine their physical and chemical properties? Provide at least two examples
The mass of a cube of gold with one side measuring 150. cm is ______ kg. The density of gold is 19.32 g/cm3
Enough of a monoprotic acid is dissolved in water to produce a 0.0142 M solution. The pH of the resulting solution is 2.51. Calculate the pKa for the acid
What is the molality of a solution that contains 2.93 grams of urea (molar mass = 60.0 g/mol) in 141 grams of benzene.
A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
N-Phenylmaleimide, can act as a dienophile in the Diels-Alder reaction Draw the structure of the product that would be formed by the treatment of N-phenylmaleimide with
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