Ammonia is produced according to the equation N 2 (g)+3 H 2 (g) 2 NH 3 (g) A student mixes 0.5 mol of nitrogen gas with 0.5 mol of hydrogen gas. He discovers that the reaction yielded 0.25 mol of ammonia. Determine the percent yield of this reaction .

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?