basic principles & calculations in CHEMICAL ENGINEERING ( material & energy balances )

question #1 (3.1.9 ) :- in the making a material balance, classify the following processes as (1) batch, (2) semi-batch, (3) continuous, (4) open or flow, (5) closed, (6) unsteady-state, (7) steady-state . more than one classification may apply.a. a tower used to store water for a city distribution system b. a can of sodac. heating up cold coffeed. a flush tank on a toilete. an electric clothes dryerf. a water fallg. boiling water in an open pot  question #2 (3.1.12) :- 100 kg of sugar are disolved in 500 kg of water in a shallow open cylindrical vessel. after standing for 10 days , 300 kg of sugar solution are removed. would you expect the remaining sugar solution to have a mass of 300 kg ? question #3 ( please see attachment ) !!!!!!!!!!!! question #4 (3.2.9) :-three gaseous mixtures, A,B & C , with the compositions listed in the table are blended into a single mixture Gas     A       B       CCH4    25     25      60C2H6  35     30      25C3H8  40     45      15total    100   100    100  A new analyst reports that the composition of the mixture is 25% CH4 , 25% C2H6 , and 50% C3H8 . without making any detailed caculations , explain how you know the analysis is incorrect ?  question #5 (3.2.14 b ) :-for the following problem :1- draw a figure2- put the data in the problem on the figure 3-pick a basis4. determine the number of unknowns and independent equation5-write the material balances needed to solve the problem 6- write down any other pertinent equations and specifications7-solve the problem if possible  (b) a dryer takes in wet timber ( 20.1% water ) and reduces the water content to ( 8.6% ) . you want to determine the kg of water removed per kg of timber that enters the process .

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