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Does increasing the size of an axial substituent always result in higher relative strain energies for the axial conformation
The vapour pressure of a solvent is the amount of gaseous molecules over an open vessel of the solvent. A 50/50 mixture of benzene and toluene has 46.7 Torr of benzene and 13.5 Torr of toluene at STP. What is the pressure of air over this mixture
A metal-plating waste contains 20mg/L Cu2+, and it is desired to add Ca(OH)2 to precipitate all but 0.5mg/L of the copper. To what concentration in moles per liter must the hydroxide concentration be raised to accomplish this? Ans: 1.6*10^-7 mol/L
Find a formula for the curvature of the function P= nrt/v-nb - (an^2)/(v^2) ,where n, R, a, b,and T are treated as constants.
What is the function of the sodium thiosulfate in studying the kinetics of the hydrogen peroxide-iodide reaction?
how many atoms are in a small piece of aluminum foil that has a mass of 0.100 g? the mass of an atom of aluminum is 27.0 amu
Calculate a change in pH when 10 mL of 0.2 M LiOH is added to the buffer made by mixing 50mL of 0.1 M hydrobromous acid (HOBr) and 40 mL of 0.2 M of sodium hydrobromide
The mass spectrum of 1-ethyl-1-methylcyclohexane shows many fragments, with two in very large abundance. One appears at m/z = 111 and the other appears at m/z = 97.
High-purity benzoic acid (C6H5COOH; ?Hcomb = -3227 kJ/mol) is a combustion standard for calibrating bomb calorimeters. A 1.169 g sample burns in a calorimeter (heat capacity of calorimeter alone = 1365 J/°C) that contains exactly 1.200 kg of water..
The carbon- nuclide radioactively decays by positron emission. Write a balanced nuclear chemical equation that describes this process.
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation: 1/2 N2(g) + O2(g) --> NO2(g), delta H *A = 33.2 kJ 1/2 N2(g) + 1/2O2(g) --> NO(g), delta H *B= 90.2 kJ
Calculate the initial rate for the formation of C at 25 degrees C , if [A]=0.50M and [B]=0.075M for reaction A+2B
how much 0.500 M Au(NO3)3 solution would you need to prepare to accomplish this? 3) If the price of the base metal is negligible, and the price of gold is $ 1791.05/oz. ( as of the date of this publication), what is the value of the medallion?
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