A drier can process 800 lbs per day of a material that is 90%-by-weight H2O and 10%-by-weight solids. This drier produces an intermediate that is 20%-by-weight water. This intermediate is then dried in an oven. This oven produces a final product that contains 2%-by-weight water. a. Draw a schematic of this process (hint: there are 2 units, a drier and an oven) b. What is the mass of water in all streams leaving the drier and the oven?

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Q: Time (hrs) 0 X, lb water/lb dry solids 0.9600 Time (hrs) 3 X, lb water/lb solids 0.3285

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Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.