Balance the following equations by writing the coefficient for each compound in each reaction. _NH3 + _HNO3 -> _ NH4NO3

How does a hydroelectric power plant converts energy into energy.

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.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?