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The volume of 350. mL of gas at 25C is decreased to 125 mL at constant pressure. What is the final temperature of the gas?
Hydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00g of nitrogen for each compound is .144, .216, and .240, respectively.
how many kilojoules are needed to raise the temperature of 325 g of water from 15.0c to 77.0c? how many kilojoules are
The explosion of 2.0 mol of solid Trinitrotoluene (TNT; C7H5N3O6) with a volume of approximately 274 mL produces gases with avolume of 448 L at room temperature and 1.0 atm pressure. How much PV work in kilojoules is done during the explosion
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s)+2NH4Cl(s)--->2N2o(g)+CaCl2(s)+4H2O(g)
in an experiment a piece of copper is weighed 40.0 g and allowed to react with oxygen. rm 2cus rm o2g to rm 2cuos how
How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.05 of with enough carbon monoxide to produce iron metal?
dissolved in water to produce 25.0 mL of a solution with pH = 3.28. Determine the ionization constant of the acid.
element is the central atom of sodium chloride, megnesium sulfate, calcium carbonate, ammonia, and hydrogen cyanide?
a sample of neon gas is held in a rigid 1.814l container with a pressure of 1.273atm at 25 c. 3.193g of an unknown gas
Calculate the entropy change for the water, peroxide, and the entire system
Derive the relationship between the total energy and the molecular partition function for indistinguishable particles
Calculate the mass of unknown solid required to prepare 100 mL of a solution that is 100 ppm in Ca by assuming that the sample contains 50 wt% CaCO3.
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