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Part 1)A non-volatile solute depresses the freezing point of cyclohexane by 4C. If cyclohexane has the formula C6H12 calculate the mole fraction of solute and solvent present in the solution.
Part 2) The vapor pressure of pure cyclohexane is 32.0 torr at its freezing point of 5.5C. Calculate the vapor pressure of the solution in part 1 at this temperature.
How many resonance peaks should be observed in the hydrogen - decoupled C 13 - NMR spectrum of each of the following compounds?
a chemical reaction produces 0.884mol of H2S gas. what volume will that gas occupy at STP?
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
In a 1.0× 10-2 M solution of NH4ClO4(aq), identify the relative molar amounts of these species from Most to Least.
Which of the following statement correctly identifies three proteins that appear in the blood as a result of an occluded coronary artery that led to a myocardial infarction (MI)
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
Explain the reason why the six atoms that are involved in the peptide bond share a common geometric plane
Calculate the value of delta S when 1.85 mol CH3OH (l) of is vaporized at 64.7 C. The normal boiling point of methanol is 64.7 C.
When 16 mL of water at 19 C is combined with 15 mL of water at 59 C, what is the final temperature of the water?. The specific heat of water is 4.184 J/g/K and its density is 1.0 g/mL.
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.500 M phosphoric acid solution.
The Vehicle Assembly Building at the Kennedy Space Center in Florida has a volume of 3,666,500 m^3. Convert this volume to liters and express the result in standard exponential notation.
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celsius. At what temperature does benzene boil when the external pressure is 415 torr?
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