Ben is exercising his pony on a large, oval track. the pony is trotting at a constant speed of 10 m/s around the track. which statement can be made about the pony's acceleration?
a) the pony is decelerating.
b) the rate of acceleration varies.
c) the pony is accelerating around the track.
d) the pony is not accelerating around the track.

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.