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A 310 mL solution of a molecular compound is formed by dissolving 6.84 g in benzene. The resulting solution has an osmotic pressure of 451 Torr at 25 degree C. What is the molar mass of the compound?
A certain substance has a heat of vaporization of 63.90 kJ/mol. Explain at what Kelvin temperature will the vapor pressure be 8.00 times higher than it was at 323 K
Determine the equilibrium constant and the equilibrium mole fraction of NO at the temperature from part c. K at 298K is 4.03*10^-31
Predict the sign of Change in S for this reaction and explain. -Calculate the Change is S from standard molar entropy values. S for Na2O2(s) = 95 J/mol K
Question- An ideal helium has in equilibrium at temperature 800 K and pressure 1 bar is stored in a closed tank of volume 1 m^3. Find the mean and most probable kinetic enegeries of the atoms
draw structural formula for protien synthesis by the sugar arrangement using AATCGTATGG
calculate the total length obtained when you add 12.3cm, 2.75dm, and 0.450m. give the answer in centimeters
It has only one active site! Describe how four bases with different geometries can fit into a single active site and how does the enzyme differentiate between the four bases
Draw the skeleton structure of the repeating unit of the polyester made from this molecule via a condensation reaction
Calculate the pH in the reaction flask after 12.00 mL of 0.25 M NaOH titrant has been added to 25.00 mL of 0.52 M lactic acid, HC3H5O3, whose Ka = 1.4 x 10-4.
Determine a polymer with a number average molecular weight of 6,200 Daltons. The polymer is made of two different fractions. The first fraction has 40 molecules while the second one has 60 molecules with molecular weight of 7,000 Daltons. Compute
What is the empirical formula of a hydrocarbon if complete combustion or 1.900 mg of the hydrocarbon produced 6.423 mg of CO2 and 1.315 mg of H2O? Be sure to write C first in the formula.
Select one of the products described in the eco-audit case study in Chapter 8 of your textbook (e.g., cups, grocery bags, electric kettle).
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