During which phase change do water molecules form crystal lattice

A wave traveling at 230 m/s has a wavelength of 2.1 m. what is the frequency of this wave?

You are trying to determine the identity of an unknown metal object using density. You measure the volume by displacement using a graduated cylinder. The initial volume is 14.7 mL, and the final volume is 23.5 mL.

Why is it difficult to use the law of conservation of energy to calculate the effects of a collision? O A. Energy is not conserved. O B. Energy is only conserved during perfectly inelastic collisions. O C.

A 5nC charge is placed at the origin of our coordinate system. There are three other charges; 5C located 3m in the positive i direction, 2C located 2m in the negative i direction, and - 4C located 5m in the positive j direction.

When nuclear fusion ends in a high-mass star, the heavy elements formed in the star's core are released through a

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this