How many elements are in the periodic table

A ball at rest starts rolling down a hill with a constant acceleration of 3.2 meters/second2. What is the final velocity of the ball after 6.0 seconds? A. - 9.6 meters/second B. 9.6 meters/second C. - 19 meters/second D. 19 meters/second

Protons, neutrons, and electrons.

What is the minimum number of carbon atoms a ketone may contain

What is the predominant intermolecular force in CBr4

What is the advantage in using a simple machine? Reduces the amount of work needed to move on object Increase the mechanical advantage by increasing the effort force that is applied Reduce the amount of energy required Reduce the work needed to

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?

Hi i need hel does any one know what P3N2 means?.-.

How does thermal energy transfer when a room is heated by a furnace?

De que está echo nuestro sol

Several steps are involved in the industrial production of sulfuric acid. One step involves the oxidation of sulfur dioxide gas to form sulfur trioxide gas. A catalyst is used to increase the rate of production of sulfur trioxide gas.