Compute the molar concentration
The partial pressure of O2 in air at sea level is 0.21 atm. Using Henry's law, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20C and an atmosphere pressure of 650 torr.
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A student was given 45 mL of ethanol. It has a density of o.789 g/mL. This amount of ethanol was placed into 969 mL of water to make a solution. What is the mass percent of ethanol in water?
A CU triaxial test with σc = 20 psi is performed on a sand and a deviator stress of 80 psi fails the specimen. Previous tests revealed that the effective friction angle for this sand is 35°. Calculate the pore water pressure at fa
A solution is prepared by dissolving 197 g sucrose (C12H22O11) in enough water to produce 1.20 L solution. What is the molarity of this solution?
When separated from a water solution,CuSO4 forms a hydrate with 5 water molecules per formula unit. If 45 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
If 1.60 mol of CS2 burns with 5.60 mol of O2, how many moles of the excess reactant will still be present when the reaction is over?
Calculate the coefficient of consolidation and the compression index of the clay. The recompression index of the clay can be taken as 10% of its compression index.
What is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
A homogeneous coarse sand deposit has a water table at 10 m depth. The water coefficient of permeability of the sand is found to vary significantly with height above the water table even though the sand deposit is homogeneous.
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How to Submit Annotations for a Documentary Using Microsoft Word Step 1: Watch the documentary Watch the documentary carefully
Each student will be required to conduct one professional interview with a current or former professional working in their field of interest.
What might be the motive of the CFO's actions? Explain your answer using specific content from this week.
Calculate the transfer price during the most recent month per pound of recycled aluminum.
In this way, regulation complements market forces by ensuring that accounting information serves the needs of a wide range of stakeholders.
In this project, you will analyze a court case involving medical malpractice in the form of negligence. Using your analysis of the case,
These differences are important for researchers to consider when selecting a case study type most appropriate for their research.