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Explain in terms of noncovalent interactions why water and ethanol are miscible, but water and cyclohexane are not.
Mg3N2(s) + H2O(l) → Mg(OH)2(s) + NH3(g) If this process is 82% efficient, what mass of ammonia can be prepared from 22.0 kg magnesium nitride.
This Tetris ice cube game is available to play as long as the ice cubes remain ice. The game pieces weigh 178 g, and the heat capacity of the room air,
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 20% when
A 20.0 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added.
the rate constant for the hydrolysis of lactose to galactose and glucose at 25 degrees C is .21M^-1 s^-1. What is the final concentration of lactose after 3.4 hours if the initial concentration was 2.50M
One of the emission spectral lines for Be3+ has a wavelength of 253.4 nm for an electronic transmission that begins in the state with n = 5.
It is known that the Co2+-ligand complex obeys the Beer-Lambert Law. Calculate the mass percentage of the cobalt in the original sample.
Use line notation to represent the electrochemical cells for each of the following overall redox reactions
write the skeleton equation representing the heating of magnesium carbonate to produce solid mangnesium oxide and carbon dioxide gas.
If 75.0 mL of 0.250 M HNO3 and 75.0 mL of 0.250 M KOH are mixed, what is the molarity of the salt in the resulting solution?
At -13.0 °C (a common temperature for household freezers), what is the maximum mass of sucrose (C12H22O11) you can add to 3.00 kg of pure water and still have the solution freeze?
What are the names and principle differences in the two models of substrate/enzyme complex formation?
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