Physical properties of ice cube

List 2 physical properties that can be used to differentiate between a Cu (before 1982) penny and a Zn (after 1982) penny.

What is the secondary consumer in the gulf of mexico

Calculate the osmotic pressure of this solution. 69.7 grams of a solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00 dm' of solution at 20 °C. What is the osmotic pressure of the solution?

How does tye transfer of energy affect physical and chemical properties of matter

A reaction was run with an initial concentration of 0.15 m. the half-life at 800 k was determined to be 1.751*10-4 s. the value of the half-life is independent of the initial concentration of the reactant present.

Transferring or sharing electrons between atoms forms

Ions that consist of a single atom are called ... ions

Ecosystems are clearly separated from one another. Where one ecosystem stops, another begins A: True B: False

Mass_mole relationship

What is the momentum of an 800-kg car | traveling at a velocity of 10 m/s? What is its momentum if it speeds up to 50 m/s?