If a total distance of 750 m is covered in a time interval of 25 s, the average speed is?

3, 974 mph

3 mph

30 mph

30 m/s

How many atoms of mercury are present in 3.4 cubic centimeters of liquid mercury? the density of mercury is 13.55 g/cc?

How many electrons does nitrogen have in its outer energy level?

What happens during a neutralization reaction?

Which statement describes both homogeneous mixtures and heterogeneous mixtures? A. Their components can be distinguished visually. B. Their components are combined in a fixed ratio. C. Their components can be separated by physical processes. D.

How many valence electrons are available for bonding in silicon? four five eight fourteen

Which of these are the largest? asteroids, comets, meteors, or are they all the same size?

A) the ka for acetic acid (h3cco2h) is 1.737 * 10-5. what is the pka for this acid? b. use the pka calculated above to determine the ph at which [h3cco2h]=[h3cco2-].

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

Prevailing winds peru

Foods labeled "fat free" can actually contain less than 0.5 grams of fat.