What type of reaction is shown below?

2Mg+O2->2MgO

GAMMA RAYS What are some applications of gamma rays? In other words, what can we use them for?

A small sculpture made of brass (rho brass = 8470 kg/m 3) is believed to have a secret central cavity. The weight of the sculpture in air is 15.76 N. When it is submerged in water, the weight is 13.86 N. What is the volume of the secret cavity?

Which of the following is an accurate description of relationship demonstrated in ohms law

Select the correct answer. Which is a form of kinetic energy A gavitational energy B. chemical energy C. electrical energy D. sound energy

The magnitudes of the charge densities on the inner and outer shells are now changed (keeping λinner = - λouter) so that the resulting potential difference doubles (Vca, new = 2Vca, initial).

You have a potential difference of 8 v. how much work is done to transfer 0.32 c of charge through it? answer in units of j.

Why is raw sewage a major pollutant in some countries but not in developed countries?

What is the momentum of a 2 kg ball traveling at 2m/s

A constant force is exerted for a short distance on a block of mass that is initially at rest on a horizontal frictionless plane. This force gives the block a certain final speed v.

A football quarterback is moving straight backward at a speed of 3.00 m/s when he throws a pass to a player 20.0 m straight downfield. (a) if the ball is thrown at an angle of 25.