Sunday
May 19, 2013

Posts by Court


Total # Posts: 45

Chemistry Equilibrium
The answer is dg=0 only. The other conditions may happen at equilibrium but are not always the case.

grammar
is it a pronoun

3rd grade math
no there is only 14/30 of it left

chem
A distribution curve shows how fractions of non-ionized acid and its conjugate base vary as a function of Ph. The curves of the plot of [CH3COOH] vs. [CH3COO-] vs. PHwill intersect at a Ph of What?

chemistry
A distribution curve shows how the fractions of non ionized acid and its conjugate base vary as a function of Ph. The curves of the plot of [CH3COOH] vs. Ph and [CH3COO-] vs. Ph will intersect at a Ph of what? I need to show work

chem
The ion product Of D2O is 1.35x 10^-15 at 25 degrees C. For a solution to be acidic the PDF must be what?

chemistry
In the presence of a tungsten catalyst at high temperature, the decomposition of ammonia to nitrogen and hydrogen is a zero order process. If the rate constant at a particular temperature us 3.7x10^-6 mol. How long will it take for an ammonia concentration to drop from an init...

chem
Butadiene can undergo the following reaction To form a dimer(two butadiene molecules hooked together). 2c4h8---->c8h12. The half life for the reaction at a given temperature is 5.92x10-2 sec. The reaction kinetics are second order. 1. If the initial concentration of c4h8 is...

chemistry
He says we have To explain it. But I still don't knowwhat he wants us to explain?

chemistry
Many reaction involving heterogeneous catalysts are zeroth order, that is rate=k. An example is the decomposition of phosphine (PH3) over tungsten (w): 4Ph3---> P4 + 6H2 It is found That the reaction is independent of PH3. As lon 1 g as phosphine's pressure is sufficien...

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