Reaction in photo… Which statement about the reaction is correct?
(1 point)
A.) H20 is an acid, and H30+ is its conjugate base.
B.) HCl is an acid, and H30* is its conjugate base.
C.) HCl is an acid, and Cl- is its conjugate base.
D.) H20 is an acid, and Cl- is its conjugate base.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

What sort of waves exhibit the doppler effect?

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.