A hockey puck moving at 28 m/s is caught by an 80.00 kg man who was at rest the man and puck moved together after the collision. The puck's mass is 0.16 kg. What is the final velocity?

Is there a new powerful weapons that stronger than nuclear weapons. If yes, explain why and how.

What is a beneficial aspect of nuclear fission? A. The ability to absorb energy B. The ability to produce more energy than nuclear fusion C. The ability to release tremendous amounts of energy D. There are no beneficial aspects of nuclear fission

A sample of 2.0 moles of a metal reacts completely with excess oxygen to form 62.0 g of M2O. What element is represented by the symbol M?

How many electrons are in an atom of elemental sodium? A) equal to the number of neutrons B) equal to the number of protons C) equal to the number of protons and neutrons

Calcula la cantidad de estaño contenida en 200g de bronce si su riqueza es de 18%.

What kind of elements are on the left side of the zig-zag line on the periodic table?

What is the mass of 5 moles of Fe2O3?

What is the rule of thumb for the activity trends of metals and nonmetals? Explain and give examples.

Carbon atoms stick to catalyst surface in craking processes? 1 - sintring 2 - poising 3 - aging 4 - cocking or fouling

What is the oxidation number of Cl in chlorate ion ClO3?