The products of a certain chemical reaction contain 30 kJ of potential energy, and the reactants contain 4 kJ. How much energy is released or absorbed by
the reaction?
A. 34 kJ is absorbed.
B. 26 kJ is released.
C. 34 kJ is released.
D. 26 kJ is absorbed.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.

Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?