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The volume of 0.162 mol of helium gas at 30.1 C is increased isothermally from 2.27 L to 5.43 L. Assuming the gas to be ideal, calculate the entropy change (J/K) for the process.
Consider the following chemical equations: A) Fe2O3(l) + Al(l) ---> Fe(l) + Al2O3(s) If 25.0 g of molten iron(III) oxide reacts with 475 g of aluminum, what is the mass of the iron produced. B) Al(OH)3(s) + H2SO4(l) ---> Al2(SO4)3(aq) + H2O(l) If ..
a solution is prepared by dissolving 17.75 g sulfuric acid h2so4 in enough water to make exactly 100.0 ml of solution.
Thermal decomposition of KClO3(s) yields KCl(s) and O2(g). When 4.289 g of KClO3 (0.03500 mol) undergo this reaction, how many grams of oxygen are produced
Given that the specific heat capacities of Fe(S) and water are 0.450 J/g? and 4.184 J/g?, respectively, what is the final temperature of the system
Calculate delta Grxn(in KJ) for the following reaction at 298K: 2H2(g)+CO(g)=CH3OH(g) given that delta H=-90.7 Kj and delta S=-221.5 J/K for this process.
What is the wavenumber in cm-1 for the HOMO to LUMO transition predicted by PM3, What value of ? can you infer, that would bring the HMO method into agreement with the more advanced Extended Huckel method?
What type of glycosidic bond occur between a ketose and ketose would yield a non-reducing disaccharide.
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
A 25.0-mL sample of 0.125 M pyridine is titrated with 0.100 M HCl. Calculate the pH at 0, 10, 20 of added acid.
what effect does conjugation (alternating single and double or alternating single and triple bonds) have on the location
Assuming complete dissociation and ideal behavior, what would be the boiling point of an aqueous solution of MgCl2 that is 8.0% MgCl2 by mass? For H2O
What are the steps to determine isotope fractionation between water and vapor at 25 degrees C
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