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If you take 5 mL of a solution that is 0.25 M, put it in a container and add enough water to make the final volume up to 250 mL, what is the molarity of the new solution?
calculate the osmotic pressure of a magnesium citrate laxative solution containing 30.0 g of magnesium citrate in 251
Calculate the amount of heat transferred when 24.0 of is decomposed by this reaction at constant pressure.
An unknown compound has the formula XF5. This compound is 42.81% fluorine by mass. Identify the element X, draw a 3-dimensional picture of XF5, and write the complete electron configuration of this molecule.
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
What is the velocity of an electron that has a de Brogile wavelength of 4.22 nm?
question a sample of oxygen has a volume of 4.50 liters at 300 k and 800.0 mmhg how many oxygen molecules does the
at atmospheric sample is composed of nitrogen oxygen argon water vapor and trace other gases. if the partial pressure
what is the wavelength of radiation of frequency 4.80 times 1013
Draw a typical force vs. distance (approach and retract) curve and explain how particular features correspond to different forces exerted between tip and sample
Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm^3 at 27 degrees C. Calculate the atomic radius of Pd.
a solution of ammonia and water contains 2.00times1025 water molecules and 5.30times1024 ammonia molecules. how many
Derive the relationship between the constants a and b of the Dieterici equation: p=(RT/V-b)exp(-a/RTV)
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