CHEMICAL VS PHYSICAL CHANGE Please help with both for brainliest

Write a word in each blank to complete the sentence.

C) chemical changes always change the way are stuck together in molecules.

D) add heat causes a material to change. If removing heat causes the material to return to the way is was, the change was probably a change.

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

Me with this and you will be marked brainliest

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?