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Problem- The delta H vap of a certain compound is 46.81 kj mol^-1 and its delta S vap is 81.38 J mol^-1 K^-1. What is the boiling point of this compound?
Mention all the steps and procedure to determine the correct value
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
Problem- White gas is a mixture of C5 compounds and C6 compounds. The heavier hydrocarbons in white gas are hexanes (C6H14). 1) How much heat is release during the combustion of 3.00 kg of C6H14
what would happen if the bottle was labeled salicylic acid from benzene actually contained acetylsalicylic acid
If only COF2 is present initially at a concentration of 2.00 M , what concentration of COF2 remains at equilibrium? Express the molar expression numerically
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
Synthetic polypeptides can assume an helical structure under appropriate conditions. Indicate whether polylysine and polyglutamate form an helix
How do you calculate the coulomb energy of interaction when doing the dissociation energy of an ionic compound. Particularly for the KF molecule
an ice cube of mass 8.5 is added to a cup of coffee whose temperature is 95 and which contains 130 of liquid. assume
Question- A piece of zinc is dropped into a hydroiodic acid solution. The gas produced is collected at a temperature of 40oC in a 2.00L flask. Its pressure is measured as 0.245 atm. What is the pressure of the hydrogen in the flask
The observed melting point of camphor is often low. Look up the molal freezing point depression constant K for camphor and calculate the expected depression of the melting point of a quantity
Problem- Since molarity is a concentration unit used mainly by chemists, the concentrations of commercial solutions are normally measured by the % of solute in the solution. Household vinegar is a 5%( by volume) solution of acetic acid in water.
Initially, 0.60 mole of PCl5 is placed in a 1.00 L flask. At equilibrium, there is 0.16 mole of PCl3 in the flask. What are the equilibrium concentrations of the PCL5 and Cl2
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