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Carbon dioxide is heated in a constant pressure process from 15C and 101.3kPa to 86C Determine per unit mass the changes in:internal energy,volume
Potassium-40 decays to argon-40 with a half life of 1.27E^9 yr. what is the age of the sample that has a mass ratio of 40 Ar to 40K of 0.712
How many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated?
a zero-order reaction has a constant rate of 3.50times10-4 . if after 40.0 seconds the concentration has dropped to
Calculate the amount of heat required to completely sublime 61.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 {kJ}/{mol}.
What is the structure of the alkane? The reaction of lithium di-sec-butylcuprate with isopenyl bromide yields?
A swimming pool has a volume of 1.8 x 104 gallons. How many hours will it take to fill the pool if water is added at a rate of 3.9 gal/min
the best means of personal protection from radiation for emergency responders is the implementation of three basic
select the element potassium k. give the wavelength in aringngstroumlms the frequency and the energy of the broadest
caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration
A 50.00-mL sample of white dinner wine required 24.76 mL of 0.03867 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen , 7.49 mol of nitrogen and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
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