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Problem- Calculate the molar volume of an ideal gas with a specific gravity of 0.862 at 3025 psia and 635 Rankine?
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A hypothetical gas obeys the equation P=RT/(V-b)-a/V. Does this gas exhibit a critical point? Why or why not
Urea (NH2CONH2) an important nitrogen fertilizer is produced industrially by the reaction given that ?G initial = -13.6KJ, calculate ?G at 298K for the following sets of conditions
If you start with 250.0mL of a 0.030 M benzoic acid solutions (Ka = 6.28 x 10-5) as well as then add 5.00mL of 1.00 M NaOH , Explain what would be the pH of the solution
What is a zymogen. How are they activated. Give an example. What is a transition state. And what is its relationship with the active site
For which one of the following reactions is the value of delta H rxn equal to delta Hf for the product
Compare and contrast these methods of extraction- Solid phase extraction, liquid liquid extraction, Supercritical fluid extraction, Derivatization, and solid-phase microextraction
A 1.28 g sample of calcium metal reacts with oxygen gas to form 1.79 g of solid calcium oxide as its only product. Using the law of conservation of mass, calculate the mass of oxygen gas which reacted
calculate the specific heat of a substance if a 35 gram sample absorbs 28 joules as the tempature is raised from 292 kelvin to 313 kelvin.
A sample of helium gas has a volume of 8.23 L at 258.8 K and 2.049 atm. How many helium molecules does it contain
The density of the metal is 8.785 g/cm3 and the specific heat of the metal is 0.425 J / g oC. If the metal foil absorbs 864.7 J of heat as its temperature changes from 21.32 oC to 34.80 oC, calculate the thickness of the metal foil in mm.
Carbon dating is a well-calibrated radiometric dating system used for items generally younger than 50,000 years old (14 C has a half-life of 5730 years). A recently unearthed Viking burial mound contained a ship, a sample of which was found to hav..
Problem- When 70.0 mL of 0.15 M formic acid, HCHO2, is titrated with 0.30 M sodium hydroxide, what is the pH at the equivalence point? Be sure to take into account the change in volume during the titration.
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