g Ammonia gas can be prepared by the following reaction: If 107 g of and 214 g of are mixed, the theoretical yield of is 65.0 g. If only 42.4 g of is actually obtained, what is its percent yield

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.