On a hot day , the sun causes the sidewalk to become very warm. how do the particles that make up the sidewalk change as the temperature increases?

a: they move closer together.
b: they move freely from place to place.
c: their kinetic energy decreases.
d: they move faster.

For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

How many valence electrons are in atom of radon?