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Calculate the density of iron Fe given that the melatllic radius isrFe= 1.24 Angstrom and that Fe displays a body centeredcubic unit cell.
What is the ratio of the rate of effusion of ammonia, NH(3), to that of hydrogen chloride gas
the label on liquid gaviscon states that each tablespoon 15 ml contains 95 mg of aloh3 and 412 mg of mgco3. how many
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
Draw the major organic product formed by reaction of 3-hexyne with the following reagent: Cl2 (1mol)
Now consider a Rigid Rotator-Harmonic oscillator model for the HD molecule at temperature T=3 K. a) Where is each nuclei located relative to the center of mass in nm?
A buffer solution contained 0.135 M HCO2H and 0.215 M HCO2Na and had a pH of 3.95. What is the final pH of the solution if 5.00 mL of 1.00 M NaOH was added to 100. mL of this solution
Diethyl ether has a H°vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0°C. What is its vapor pressure at 85.0°C?
There are 18 constitutional isomers with molecular formula C8H18. Without drawing all 18 isomers, determine how many of the isomers will have a parent name of heptane.
Bessemer converter is used for the manufacture of : Which is the formula of Haematite
A 9.55 gram sample of solid sodium hydroxide dissolves in 100.0 grams of water in a coffee-cup calorimeter, the temperate rises from 23.6 degrees Celsius to 47.4 degrees Celsius. Calculate enthaply( in kJ/mol NaOh) for the solution process.
What are ALL of the intermolecular forces of NaNO3? Choices (pick all that apply)
A student performed the reaction of this experiment (preparation of aspirin) using a water bath at 90 degrees C instead of 50 degrees C. The final product was tested for the presence of phenols with ferric chloride.
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