Distinguish between intramolecular and intermolecular forces.

Calculate the freezing point of a solution of 48.4 g of ethylene glycol (C2H6O2) dissolved in 300.0 g of water.  Kf = 1.86°C/m and Kb = 0.512°C/m. Show all work to receive full credit.

How is dispersion different from dipole-dipole interaction?

For the reaction, 3 A(g) + 2 B(g) → 2 C(g) + 2 D(g), the following data were collected at constant temperature. Determine the rate law. Show all work to receive full credit. Trial     Initial [A]     Initial [B]     Initial rate (M/min)1            0.200            0.100            6.00 x 10-22            0.100            0.100            1.50 x 10-23            0.200            0.200            1.20 x 10-14            0.300            0.200            2.70 x 10-1

What does the phrase “like dissolve like” mean?

What is the consequence of modifying a collection (e.g., by calling list.add()) while iterating over it using its iterator, without using the iterator’s own remove() method?

For the reaction, A(g) + 2B(g) 2C9g) + 2D(g), the following data were collected at constant temperature. Predict the rate for trial 4. Show all work on scratch paper to receive full credit. Trial   Initial [A]   Initial [B]   Initial rate (M/min)1              0.125      0.200         7.252              0.375      0.200         21.753              0.375      0.400         21.754               0.250      0.400            ?

Which of the following scenarios is a significant weakness for an `ArrayList` but a strength for a `LinkedList`?

Which of the following methods are part of the `java.util.Iterator` interface? (Select all that apply)

What is the primary purpose of the `Iterator` interface in Java?