Question: MODEL THE MASS TRANSFER FROM A SINGLE LIMESTONE ROCK TO WATER VIA MOLECULAR DIFFUSION. ANALYZE THE HALF-LIFE TIME CHANGE OF THE GAS BUBBLE UPON: -

MODEL THE MASS TRANSFER FROM A SINGLE LIMESTONE ROCK TO WATER VIA MOLECULAR DIFFUSION. ANALYZE THE HALF-LIFE TIME CHANGE OF THE GAS BUBBLE UPON:

- changing rock diameter

- changing thickness of stagnant layer

MODEL THE MASS TRANSFER FROM A SINGLE LIMESTONE ROCK TO WATER VIA

MOLECULAR DIFFUSION. ANALYZE THE HALF-LIFE TIME CHANGE OF THE GAS BUBBLE UPON:

- changing rock diameter - changing thickness of stagnant layer MASS TRANSFER

MASS TRANSFER FROM SINGLE ROCK NA=LxBMDAB(/M)av(xROxAC)xBH=m(xBL/xBO)xB1xBO 11 Schematic: S. Stagnant layer Assumption: 1) Water is stagnant avound rock and@22.5C 2) Rock diameler is decreasing/ Area (s changing 3) Rock diameter of about 1 in diameter ( 2B emestone) 2.54cm ifound the aug dramder 4) Shape of vock best defined as oblate sphercid circle wed Area of circe 4r2 used Equation 259 NAd=(1xn)DAB(W)ovdxA10+1Nndrvini(1xn)dx(Nn2)avPn i2out=changeNA=dtdmHaAANHA=dtdmdtdmMWANANA(4v2)Mkm=v=34r2Ddtdra34r2dtdr=NAMidx-NAMoudt2t/4dtttSincicculdNofindNA,NA1014dr=r0rcompleted

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