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The standard Gibbs-free energy of a system is related to its equilibrium constant through the following equation.
ΔG° = -R · T · ln(K)
In this equation R is the gas constant, T is the temperature, and the ° next to ΔG defines the conditions as standard ambient temperature and pressure, i.e. "SATP". (Answer the following questions to three significant figures.)
Suppose a reaction has a standard Gibbs-free energy of -13.9 kJ/mol, calculate the relative ratio of product to reactant.
The temperature in the room was 25.0 ºC. James was asked to transfer 4.50 mL of a liquid (density = 0.895 g/mL at 25.0 ºC) using a buret. He added the liquid into a 50-mL beaker weighing 25.789 g. He weighed the beaker with the liquid and found th..
what is the maximum amount of sodium chloride that can be separated at 25 ºC by filtration, and what is the mass percentage of sodium chloride in the filtrate?
a 1.00L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate pH of the solution after the addition of 100.0mL of 1.00M HCl. Ka for HF is 3.5x10^-4
The 100.0mL sample was treated with a molybdate reagent that precipitates ammonium phosphomolybdate, (NH4)3 [P(Mo12O40)] x 12H2O. This substance was dried at 110 degree C to remove waters of hydration and heated to 400 degree C until it reached a ..
An automobile tire is inflated with air originally at 10.0 celsius and normal atmospheric pressure. During the process, the air is compressed to 30.5% of its original volume and the temperature is increased to 45.5 celsius. (a) What is the tire pr..
Draw the following peptides, AND indicating the amide bonds that are formed through the side chains. What are the pKa values of the various groups on the peptide?
why metal sulfide compounds can only form after the hydrothermal fluids escape into the open seawater.
which you might separate (a) K+ from Ag+, (b) Ba2+ from Pb2+, (c) NH4+ from Ca2+, and (d) Ba2+ from Cu2+. All cations are assumed to be in aqueous solution, and the common anion is the nitrate ion.
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges (as in the following example), and that there are no other bonds between the two bonds drawn with the stereo wedges.
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal
Arrange the descriptions in order of increasing number of microstates in the resulting system.
rom your initial observations, you suspect that the two beakers contain the same compound. Describe, in general terms, some experiments in a laboratory that you could do to help prove or disprove that the beakers contain the same compound.
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