The density of magnesium is 1.7 g/cm3, and the density of iron is 7.9 g/cm3. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron?

The amount of sulfuric acid produced can be determined by titration with sodium hydroxide of known concentration. A 631.0 g sample of air that is known to contain sulfur dioxide was reacted with excess hydrogen peroxide. Given that 18.50 mL of 0.

Why the element in periodic table which have more than three electron valens must plus ten in order to know the group in periodic table?

The unit used to measure barometric or air pressure

Using a spring as an example, explain the compressions and rarefactions of a wave.

Which statement best describes the movement of atoms in a solid? 3832 They are able to slide past each other. They spread apart as far as possible. They have no freedom to move. They are free to move in all directions.

What is the atomic number of magnesium?

Explain how earth plates and lithosphere are related

What is the name for the Fe2 + cation? Iron ion Iron (II) ion Ironide Ferride ion

When designing an experimental investigation, why is it important to test only one variable?

Most fruit juices are a solution of water, sugar, and fruit-specific chemicals. in this solution, identify the solvent and solutes.