Potassium chlorate, kclo3, decomposes when heated to produce potassium chloride and oxygen gas. if 2.50 grams of kclo3 were heated in a test tube, how many grams of oxygen gas should be given off?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of