Consider burning paper and making a pie. Why would these actions be classified as chemical changes?

1. A racecar accelerates uniformly from 20.0 m/s to 50.0 m/s in 30 seconds Determine the acceleration of the car and the distance traveled.

Where does DNA reside in a human body cell? A - nucleus B-cell membrane C-mitochondria D-cytoplasm

a peice of titanium metal has a mass of 67.5 gm and a volume of 15 cm cubed. what is the density od titanium?

Which word best describes electricity as it occurs in nature?

Marissa drags a 23 kg duffel bag 18 m across the gym floor. if the coefficient of kinetic friction between the floor and bag is 0.15, how much thermal energy does marissa create?

What happens to an object when an unbalanced force acts on it?

What is the basis for rutherford's planetary model?

Choose the option that best answers the question. The hypotenuse of a right triangle is 16 ft longer than the length of the shorter leg. If the area of this triangle is exactly 120 ft2, what is the length of the hypotenuse in feet?

A car accelerates from rest to a velocity of 5 meters/second in 4 seconds. What is its average acceleration over this period of time?

How is the solubility of a solid affected by temperature? How is the solubility of a solid affected by temperature? A) As temperature goes up, the solubility goes up. B) As temperature goes down, the solubility goes down.