18. for every action, there is an equal and opposite reaction.

a. newton’s first law

b. newton’s fourth law

c. newton’s second law

d. newton’s third law

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature