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Determine the osmotic pressure (in Torr) for a 50 mL solution containing 30.22 mg of protein with the molar mass of 2796 g/mol at 298 K.
R=0.0821L*atm/(mol*K)
Consider 4 L of a buffer composed of 2 M HCN and 3 M NaCN? How many moles of strong acid could this buffer withstand?
write a plausible chemical equation to interpret at the atomic level what you observed in the reaction of Lysol Toilet Bowl Cleaner with 0.1 M AgNO3?
Mark the True statement A. In carbon containing compounds, carbon usually forms four bonds, nitrogen usually forms three bonds, oxygen usually forms two bonds, and hydrogen only forms one bond.
Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes the transition from the energy level
At what total pressure of bismuth vapor is the partial pressure of Bi(g) just twice that of Bi2(g) at 1000 K? How many phases are present in the system for this situation?
The compound is composed of 41.39% carbon, 3.47% hydrogen and 55.14% oxygen. The molecular mass is 116.07 g/mol. What is the molecular formula?
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
what is the pressure in a gas containter that is connected to an open-end manometer if the pressure of the atmosphere is 722 torr and the level of mercury in the connected to the container is 8.60cm
The specific heat of aluminum is 0.21 cal g°C. How much heat is released when a 10 gram piece of aluminum foil is taken out of the oven and cools from 50 to 10 °C?
Draw graphs representing Boyle's law, Charles's law, and Gay-Lussac's law for a fixed amount of gas. Make sure that you label each axis and state the assumptions for each law-that is, the variable(s) that is (are) held constant for each law.
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
Select all of the correct statements about reaction rates from the choices below. The lower the rate of a reaction the longer it takes to reach completion.
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