A) what are oxidation numbers? b) what useful functions do oxidation numbers serve

A block of iron of volume 50 cm has a mass of 390 g. what is the density of iron

A current of 55.9 mA flows in a silver wire of diameter 4.33 mm. Find the electric field strength inside the wire. The conductivity of silver is 6.25 * 10 7 Ω - 1 m - 1.

not all objects have a volume that is measured easily. If you were to determine the mass, volume, and density of your textbook, a container of milk, and an air-filled balloon, how would you do it

Which contemporary subfield focuses on assessing and treating people with mental disorders?

Two identical objects in outer space have a head-on collision and stick together. If, before the collision, one had been moving at 2 m/s and the other at 1 m/s, their combined speed after the collision would be?

Describe the possible long term impact of a catastrophic event

Your lap feels warms because your laptop computer has been sitting on top it. This is an example of: A. conduction B. radiation C. convection Your lap feels warms because your laptop computer has been sitting on top it. This is an example of: A.

What is the resistance of a 1500 w (120 v) hair dryer? b. what is the current in the hair dryer when it is used?

What two things change when an object is in motion

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]