Which of the following is necessary for collisions to be successful?

A. enough kinetic energy and favorable geometry

B. enough kinetic energy only

C. sufficient potential energy only

D. favorable geometry only

A solution has [h3o+] = 4.2*10-5 m. use the ion product constant of water kw=[h3o+][oh-] to find the [oh-] of the solution.

What is the name of the supercontinent that existed 245 million years ago

Whats a compound formed in solution from the negative ion of an acid and the positive ion of a base?

You slide the copper bar to the right and at time t = 0 you release the bar when it is a distance x from the right end of the apparatus. at that instant the bar is moving to the right with a speed v.

Why does ice have a lower density that liquid water does?

How many moles are in 25.2g of KMnO4?

Lewis diagram of Ozone

Name the feature of the ocean floor shown at A and describe how it's formed.

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Nonmetals rarely lose electrons in chemical reactions because?