Which phase is heat energy being released? A. Boiling
B. Vaporization
C. Freezing
D. Sublimation

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?