Water freezing in the cracks of rocks is an example of: chemical weathering physical weathering temperature weathering

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is

Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south