What mass of hydrate could be recovered from 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?
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basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
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?
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.
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)
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identify key concepts from any of these chapters that you would prepare for an undergraduate psychology class, taking into consideration
Structural variables that affect the quality of programs for infants and toddlers refers to features such as: Question Select one:
An individual who has reached the 'All Sentient Beings' stage of the Expanding Circle of Moral Concern would likely consider the welfare of:
Outline how the nervous system controls these functions and what researchers know or have recently discovered about a common disorder
Which of the following best describes the "Dreams Within Conflict" intervention? Review Later
Mohamed tells his daughter that she cannot go outside after dinner because she was mean to her little brother. His daughter cries and begs to go outside
In the Tomasello reading, what is the puzzle? Group of answer choices Causation: tool use and intelligence have a chicken-and-egg relationship.