16) Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg (s) + O2 (g)  2MgO (s)

How many moles of O2 are consumed when 0.880 mol of magnesium burns?
A) 0.0317
B) 2.60
C) 0.880
D) 1.54
E) 0.44

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Two things that biomedical has invented or innvated

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

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?