❗️URGENT❗️ Witch of the following describes an object that is accelerating?

A. A runner travels 100 meters North at a constant speed

B. A cars velocity changes from 25 m/s to 20 m/s in 5 seconds

C. An airplane changes elevation From 10,000 ft to 5,000 ft.

D. A ball is setting on a soccer
field.

What is the equilibrium constant of aa+bb=cc+dd

Compare and contrast physical changes with chemical changes.

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next