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Place the following in order of increasing entropy at 298 K.

The first-order decomposition of cyclopropane has a rate constant of 6.7 × 10-4 s-1. If the initial concentration of cyclopropane is 1.33 M, what is the concentration of cyclopropane after 644 s?

A reaction is followed and found to have a rate constant of 3.36 × 104 M-1s-1 at 344 K and a rate constant of 7.69 M-1s-1 at 219 K. Determine the activation energy for this reaction.

A reaction occurs via the following sequence of elementary steps. What is the rate law based on this reaction mechanism? 1st step: A + B → 2C + D      slow 2nd step: C → E            fast 3rd step: D → 2F           fast

Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g)    ΔH = -1,036 kJ ΔS = -153.2 J/K

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g). C2H4(g) + H2O(g) ⇌ C2H5OH(g)   Kc = 9.0 × 103 [C2H4]eq = 0.015 M                        [C2H5OH]eq = 1.69 M

The first-order decomposition of N2O at 1000 K has a rate constant of 0.76 s-1. If the initial concentration of N2O is 10.9 M, what is the concentration of N2O after 9.6 s?

For the following example, identify the following.                       H2O(l) → H2O(g)

_______ is a disease associated with an irreversible loss of nerve cells in the retina.

Items of information in the long-term store will be easier to remember if they are ________.