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For a gaseous reaction,standard conditions are 298K and a partial pressure of 1atm for all species. For the reaction2NO(g) + O2(g) ---> 2NO2(g)
The standard change in gibbs free energy= -69.0 kJ/mol. What is the change in G for this reaction at 298K when the partial pressures arePNO=0.100 P02=0.350 PN02=0.700 atm
Explain Why In cycloalkanes, ring strain decreases with the increased number of carbons, yet the most abundant rings in nature are five and six membered rings.
if 1.0 mol of electrons flows through the cell, how many grams increase or decrease in mass will the silver electrode undergo
Derive an expression for (dH/dp)T soley in terms of T, p, V. Show that this quantity is identically zero for an ideal gas and find the equivalent expression for a van der Waals gas
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas
a certain first-order reaction a to products has a rate constant of 4.20times10-3 at 45 degrees celcius. how many
The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.60 mL of a 0.330 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
Fluorine gas at 300 K occupies a volume of 500 mL. To what temperature should it be lowered to bring the volume to 300 mL
From the above data, find the number of millimoles of acidic impurites and what is the ratio of acetylsalicyclic acid to other acid impurites?
a particular sample of rainwater is 0.2 ppb. Assume the density of rainwater is close to 1.00 g/mL and find the molar concentration of C20H42.
A 100.0 mL sample of .20 M HF is titrated with .10 M KOH. Determine the pH of the solution after the addition of 100.0 mL of KOH. The Ka of HF is 3.5*10^-4
The frequency factor A for a certain reaction at 75oC is 8.7 x 1012 s-1, and the activation energy 63 kJ/mol. What is the rate constant for the reaction at that temperature
Which atom has the least attraction for the electrons in a bond between that atom and an atom of hydrogen?
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