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The concept of free energy allows prediction of spontaneity of a process by considering the changes in ________ and ________ during the process. entropy; mass enthalpy; temperature enthalpy; entropy entropy; temperature enthalpy; mass
camphor is a chiral compound and exists as two enantiomers. we are using a racemic mixture of both enantiomers. however,we draw the structure of only one enantiomer.
The half-life of radium-226 is 1600 years. How long will it take for the radioactivity of a sample of radium-226 to decrease from 130 mCi to 10 mCi
calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation
what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time. Assume ideal behavior for all gases
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
Explain which of the following solutions has the weakest interparticle attraction forces : 0.1 M I2 in CH2Cl2(l), 0.02 M NaOH(aq), 0.3 M C12H22O11
Calculate the concentrations of all species in a 0.310-M solution of H2X if K1 = 1.00E-04 and K2 = 1.17E-07
What is a zymogen? Is it used over and over like other enzymes? And what is the physiological advantage
A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that nust be withdrawn from the tank to lower the pressure of gas from 25atm to 35 atm.
You need to understand the factors that determine whether a reaction is under thermodynamic control or kinetic control and be able to predict the corresponding product.
Calculate the pH at the equivalence point for the titration of 0.100 M methylamine
Suppose you wished to control the PO43- concentration in a solution of phosphoric acid by controlling the pH of the solution. If you assume you know the H3PO4 concentration, what combined equation would be useful for that purpose? Include physical..
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