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The cup is a volume widely used by cooks in the U.S. One cup is equivalent to 237 cm^3. If 1 cup of olive oil has mass of 216 g, what is the density of olive oil in g/cm^3?
A truck driver used sand to soak up a 1 g spill of lindane (C6H6Cl6). He placed the contaminated soil in an open drum which then filled with 150 L of water during a rainstorm.
Calculate the pH during the titration of 50.00 ml of 0.0500 M NaOH with 0.1000 M CH3CO2H after the addition of the following volumes
A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0C. If the total pres- sure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2?
A 10mL sample of aquarium water was treated with reagents to form a colour, and after dilution to 100 mL was found to have an absorbance of 0.162. calculate the concentration in ppm of nitrite in the aquarium water.
A sample of 1.00 mol of perfect gas molecules, originally at 1.00 atm, with a molar heat capacity at constant pressure of 7/2 R is put through the following cycle:
What volume of O2 at 684mmHg and 37degree celsius is required to synthesize 22.0 mole of NO2.
Calculate the mass of material required if 1500 calories of energy causes a change from -27 degrees fahrenheit to 91 degrees celcius and the specific heat capacity is 0.25 joules/gram-degree C.
What mass of the hydrate could be recovered from the solution? When separated from a H 2 O solution, copper sulphate forms a hydrate with 5
A beaker with 1.30×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M .
A meteorological ballon contains 250.0L He at 22 degrees celsius and 740.0mm Hg. If the volume of the ballon can vary according to external conditions
Explain why p-nitrophenol is a stronger acid than phenol itself. P-methoxyphenol and acidity
The peptide Special-K forms an ?-helix that is broken at high temperatures. The fraction of peptide in the ?-helical form (fraction = moles a-helical peptide/total moles of peptide)
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