A diatomic molecule (0.500 m) dissociates in a first order reaction with a rate constant, k, of 0.0775 sâ1. what is the half-life of this reaction? hints

can a light object that was hit with a small force accelerate as rapidly as a heavier object hit with a big force? why or why not?

The United States established the Open Door policy toward China as a way to (1) promote democracy in Asia (2) secure military bases in East Asia (3) protect United States economic interests (4) end the Boxer Rebellion

When comparing two solutions with the same volume, you may say that one is dilute and the other is concentrated. What does this mean? A. The dilute solution contains more solute than the concentrated solution. B.

A 15.0 L tank of gas is contained at a high pressure of 8.20x10 4 torr. The tank is opened and the gas expands into an empty chamber with a volume of 6.00x10 4 L. Calculate the new pressure of the gas.

To write an entrance exam for pharmD which all lesson should I learn?

What characteristic is shared by most simple polyatomic ions? A) They are anions. B) They are bonded ionically. C) They are cations. D) They have positive charges.

Potassium ions (k+) have a positive charge. What happens to a potassium atom electrons when it becomes an ion

At what pH do you think acids become too dangerous to touch? Basis? Explain your answers.

How do endothermic processes differ from exothermic processes

Before a race, an athlete warms up by jogging around the track shown below at a constant rate of 2.3 m/s. What statement best describes his motion as he jogs around the curved part of the track?