Discover Questions

Diameter of a wheel 80cm. If the wheel rotates through an angle of 200degrees, how many cm does it move? Show steps please!? How many molecules are in 97.8g of FeCl3? Find the complement of the angle 3pi/7. Please show steps!? How many milliliters of concentrated of sulfuric acid (18 M) are required to make 7.0 L of 0.12M H2SO4? Describe how and where new crust material is made. Describe how and where old crust is destroyed.?