Ammonia, NH3, is held together by covalent bonds (sharing of electrons). The electronegativity of Nitrogen is 3.04 and the electronegativity of H is 2.20. Explain if this molecule has polar covalent bonds or nonpolar covalent bonds. Be sure to support your claim with evidence and reasoning

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.