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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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni