Which defines the average kinetic energy of a system's particles?

density

pressure

temperature

volume

tivity

Whats the mass of a cube of aluminum that is 4.0 cm on each side? the density of aluminum is 2.7g/cm ^3

A given substance is, meaning that is can easily pass through fatty substances and mix with them freely. However, this substance does not mix well with molecules that are polar. Only substances mix well with polar molecules.

Use the reaction i2 (s) i2 (g), h = 62.4 kj/mol, s = 0.145 kj / (molk), for question 10. which direction of the reaction is favored at 298 k (room temperature) ?

Which describes what happens when a wave transfers energy? A. Waves carry energy toward the energy source through space or through matter, and the matter moves with the energy. B.

Which type of solution forms a crystalline structure? gas solution liquid solution solid solution liquid and gas solution

The activation energy decreases with increase in temperature. why?

What are the characteristics of Archaebacteria? A. they are single cells that have a nucleus and tend to live in extreme conditions. B. they are single cells that lack a nucleus and tend to live in extreme conditions. C.

Avogadro's number was calculated by determining the number of atoms in

A certain shade of blue has a frequency of 7.26 * 1014 Hz. What is the energy of exactly one photon of this light?

A 20.0 mL sample of a NaCl solution has a mass of 21.040 g. After the solution is evaporated to dryness, the dry salt residue has a mass of 4.348 g. Calculate the following concentrations for the NaCl solution.