18g of H2 would produce how many grams of NH3 N2(g) +3H2 (G) 2NH3(G)

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

When microscope slides are stained to show blood cells, the small red blood cells that appear on the slides are much numerous than the large white blood cells. this supports the concept that

Amechanical wave that transports a lot of energy will have a