4 Al + 302 -> 2 Al2o3
Using the chemical equation above, how many moles of Aluminum (Al) are
needed to produce 1.5 moles of aluminum oxide (Al,0,)?
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In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

Find the midpoint of a segment with endpoints of 4-3i and -2+7i