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How much heat is required to raise the temperature of a mole of oxygen from 298 to 3000 K at constant pressure?
The book gives the following values for Cp (specific heat at constant pressure): 29.376 J/(K*mol) at 298 K and 39.884 J/(K*mol) at 3000 K.
The correct answer is 98.098 kJ/mol. But I don't know how to get it.
In Horner-Wadsworth-Emmons reaction, a 1,2-disubstituted alkene was produced in which the olefinic protons exhibited at vicinal coupling of 9.0 Hz in the 1H NMR. What is the stoichiometry of the double bond.
A 33.5 mL sample of a KOH solution of unknown concentration requires 22.1 mL of 0.200 M solution to reach the end point in a titration. What is the molarity of the KOH solution?
Calculate the final temperature of the helium inside the cylinder. Assume helium to be an ideal gas with Cp=(5/2)R.
column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
what is the density of sample of ammonia gas if the pressure is 705mmHg and the temperature is 63.0 degrees C?
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy relased by the formation of water from H2 and O2 into eletrical energy.
When aqueous solution of sodium sulfate and lead nitrate are mixed, lead sulfate precipitates. Calculate the mass of lead sulfate produced when 1.25 L
The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?
how long will it take for the concentration for XY to decrease to 12.5% of its initial concentration when its 0.100M. Rate constant is 7.12 *10^-3.
What is the longest wavelength (in nm) that can dissociate a molecule of H-I? in nm.
Drinking water in the USA cannot exceed 0.5 ppm mercury. What mass of mercury is present in 2.4 L of water at this concentration
A solvent for an industrial process requires the use of phenol or benzene. Both are about the same in effectiveness for the process, and of course, gloves will be used when handling either solvent
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