The molar heats of fusion and vaporization of argon are 1.3 kj/mol and 6.3 kj/mol respectively, and argon's melting point and boiling point are -190°c and -186 °c, respectively. calculate the entropy changes for the fusion and vaporization of argon.

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

What is a metal replacement reaction