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While the Gibbs free energy G is the fundamental function of natural variables (T,p, N), growing biological cells often regulate not the numbers of molecules N, but the chemical potentials u. That is, they control concentrations. What is the fundamental function Z of natural variables (T, p, u)?
Ozone is an air pollutant produced when nitrogen dioxide, NO2 , from automobile exhaust reactswith oxygen. The chemical equation for this reaction is NO2(g) + o2(g) ---> NO(g) + O3(g).
What mass of potassium sulfate is produced when 45.6 g of KMnO4 reacts with 56.4 g of H2SO4? 4KMnO4 + 6H2SO4 --> 2K2SO4 + 4MnSO4 + 6H2O + 5O2
Define in detail. Forecast the order of the four colored compounds. Explain which travels the furthest, which one will stay closest to the baseline
The engine stops working when the temperature of the hot reservoir has been lowered to TC. Show that the amount of work done by the engine is W = C1(TH-TC) - C1TC ln (TH/TC).
What is the strongest intermolecular force exhibited in each? (One choice will not be used). a. covalent molecules b. ionic compounds c. polar covalent molecules choices
A compound with a formula C10H16 takes up one mole of H2 on catalytic hydrogenation. Give possible structures for it. If it takes up two moles of hydrogen on reduction, give one structure that fits this information.
a solution is prepared by mixing 50.0 ml of 0.24 m pbno32 with 50.0 ml of 1.6 m kcl. calculate the concentrations of
Give the quantitative species inventory for the system which ultimately results from mixing 2.55mols Cl2, 1.20mols Br2, 1.25mols I2,
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
When 1.7 g sodium nitride is heated it forms sodium metal and nitrogen gas. How many grams of each are formed?
If the final temperature was the same for both processes, what is the difference between for the two-step process and for the one-step process in joules
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 21.0% of that found in living organisms
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