in 1650 an individual calculated that the earth was about 6000 years old since then what has happend to scientists estemates of the earth age

What happens to the particles during solid to a liquid

Define and differentiate between accuracy and precision

Standard Hydrogen Electrode consists of platinum wire fused in a glass tube and a platinum plate coated with finely divided platinum black. which also act as the electrode. why is the platinum coated with finely divided platinum black?

Galena, the most common mineral of lead is primarily lead (II) sulfide (PbS). The first step in the production of pure lead is to oxidize lead sulfide into lead (II) sulfite (PbSO3).

Sodium chloride is produced from its elements through a synthesis reaction. what mass of each reactant would be required to produce 29.0 mol of sodium chloride?

If the formula for potassium chlorate is KClO3 and the formula for magnesium fluoride is MgF2, then what isthe formula for magnesium chlorate?

How can you tell if a chemical reaction has occurred?

An engineering team is conducting a trial launch of a new rocket. Which part of the engineering process is the team in?

What is a physical property of copper

Which of the following occurs when the ocean's salinity increases? a. density increases. b. density decreases. c. temperature increases. d. temperature decreases.