0.25 gm of a sample of common salt contains 0.1518gm of chlorine while 0.24 gm of another sample contained 0.1458 gm of chlorine. show that these data agree with the law of constant proportion.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

How much energy is made when a pice of wood burns. how do you know

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: