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Liquid nitrogen has a density of 0.808 g/mL at 77 K. A sample of 1.5 L of liquid nitrogen is allowed to evaporate at 22.2 °C and 0.998 atm of pressure. What volume will the nitrogen gas occupy?
Compute the quantity of work(W) that is associated with a 9.5 Litre expansion of a gas against the given pressure of 755mm Hg
What is the density of lead (in ) if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9 ?
Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.
calculate the amount of benzaldehyde (106.12 g/mol), benzophenone (182.22 g/mol), and methyl benzoate (136.15 g/mol) needed (they each get a whole 3.2 g bromobenzene)
A 1- flask is filled with 1.20 of argon at 25 . A sample of ethane vapor is added to the same flask until the total pressure is 1.45 .
Why is it recommended to use no more than the minimum amount of solvent than is necessary to dissolve the solid being recrystallized
Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.
Predict whether each of the following oxides is acidic, basic, amphoteric, or neutral: CO2, NO2, Al2O3, CaO.
A buffered solution is made by adding 50.9 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)
In which of the following carbohydrates are two different types of glycosidic bonds present
Are necessary to completely neutralize a solution in which 60.0g of NaOH have been dissolved
Calculate the pH after 15.0 mL of 0.40M HCL is added to 20.0 mL of 0.50 M NH3 (Kb NH3= 1.8 x 10^-5)
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