The FAA requires you to become familiar with the weather conditions (current and forecast) at your departure and arrival airports, and along your route before you go on your cross-country flight.

To carry passengers at night as a Private Pilot, you must complete…

If you are travelling on a magnetic course of 120°, which of the following altitude would be the best altitude to fly at, assuming weather is no factor?

Red blood cells are:

In this buffered solution containing acetic acid and sodium acetate CH3OOH(aq) + H2O(l) ——  CH3OO-Na+(aq) + H3O+(aq) what happens to the equilibrium when a strong base is added?

What is the pH of a solution with a H3O+ concentration of 3.5×10-4?

In this buffered solution containing acetic acid and sodium acetate CH3OOH(aq) + H2O(l) ↔ CH3OO-Na+(aq) + H3O+(aq) What is the of a this buffer solution that has a Ka=5.8X10-7 and 0.5M of acetic acid and .5M of sodium acetate?

A buffer is a solution that:

What are the conjugate acid base pairs in this reaction? H2SO3(g)+H2O(l) ↔ HSO3-(aq) + H3O+(aq)

What is the pH of a solution that the   is 1X10-9