7salt water containing 1.92 lb/gal of salt flows at a fixed rate of 2 gal/min into a 100 gal tank, initially filled with fresh water. the density of the incoming solution is 71.8 lb/ft3. the solution, kept uniform by stirring, flows out at a fixed rate of 19.2 lb/min. how many pounds of salt will there be in the tank at the end of 1 h and 40 min? what is the upper limit for the number of pounds of salt in the tank if the process continues indefinitely? how much time will elapse while the quantity of salt in the tank changes from 100 to 150 lb?
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Chemistry, 22.06.2019 00:30, S4NCHEZ28
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
Answers: 1
7salt water containing 1.92 lb/gal of salt flows at a fixed rate of 2 gal/min into a 100 gal tank, i...
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