How many different elements have scientists discovered? 12, 112, 118, or more than 500?

Which of the following is equal to 3.0 liters

Which region of the world are generally more developed? Less developed?

Obsidian is a volcanic glass that forms when lava cools very quickly and consists of a solid mass of glass through and through.

What is the biological significance of the temperature at which the amylase catalyzed reaction

Write 3.75 million in figures

Bacteria and protists are primarily unicellular organisms. How do bacteria and unicellular protists differ? Options: A) Protists have a single chromosome in a nuclear region, but no nuclear membrane.

A solution contains 0.159 mol K3PO4 and 0.941 molH2O. Calculate the vapor pressure of the solution at 55 ∘C. The vapor pressure of pure water at 55 ∘C is 118.1 torr. (Assume that the solute completely dissociates.)

When 711 J of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oC to 94oC. Calculate the specific heat of this metal

What is the formula for copper (II) phosphate? Capitalization and punctuation count. How many atoms of phosphorus are in 7.10 mol of copper (II) phosphate?

What happens to the elements Sodium (Na) and Chlorine (Cl) when they combine to form salt (NaCl)