Why is alloy stainless steel used instead of pure iron for the ball of pen of pure iron for a ball of pen

An aqueous solution was prepared containing 1.0mol of AgNO3 and 1.0mol of FeSO4 in 1.00 dm^3. of water. When equilibrium was established, there was 0.44mol of Ag + (aq) in the mixture. Ag + (aq) + Fe2 + (aq) Ag (s) + Fe3 + (aq).

A solid and a liquid are shaken together in a test tube to produce a uniform liquid that does not separate into layers.

What is the concentration of a solution of 10 moles and 5.0 liters of salution?

A 4.00 m solution of KCl was prepared using 1.00 kg of water at 25.0 ∘C. Once the solid had all dissolved, the temperature of the solution was 12.3 ∘C. Calculate the heat of solution, ΔHsoln, of KCl.

The simplest ratio of cations to anions in a compound is called?

How many grams of H2O will be produced if 18.1 grams of Fe are produced? Fe3O4 + H2 - Fe + H20 Select one: O a. 7.8 Ob. 75 O c. 17 O d. 1.5

1. Where are the most massive elements found on the periodic table? A at the bottom right B at the top right C at the top left D at the bottom left

Lenny accidentally drops his matchbox car into a graduated cylinder. if the car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. determine the density of the matchbox car. the formula for density is d = m v

When 12.4 grams of KBr are dissolved in enough water to create a 170-gram solution, what is the solution's concentration, expressed as a percent by mass?

The Bohr theory can be extended to non-hydrogen one electron ions such as He + and Li2+, in which case the energy depends on the different atomic numbers Z for the respective atom.