please help b and c 283 CHU Centigrade Heat Units per hour p

please help b and c

283 CHU (Centigrade Heat Units) per hour per foot squared into kW m^-2 A But which is a large wooden barrel holds 108 gallons of Beer. What is this volume of Berr expressed in m^3? If the empty But has mass of 35 kg what is its mass expressed in kg when it is full of Beer? The density of Beer is 63.56 pound per cubic foot? A lake having a surface area of 1.2 acres is stocked with 153 Rainbow Trout which have a mean mass of 4 pounds 8 ounces per fish. What is the stocking density of the lake expressed in kg hectare^-1 (1 hectare = 10^4m^2) The component flow rates of a gas stream are given below

Solution

b)

i)

1 gallon =0.00378541 m³

So Volume in m³

V=108*0.00378541

V=0.4088 m³

ii)

Density

p=63.56 pounds/foot³

1 pounds/foot³=16.018463374

p=63.56*16.018463374=1018.13 Kg/m³

Mass of beer

M_beer=Volume*density =0.4088*1018.13

M_beer=416.24 Kg

Total mass

M=32+416.24= 448.24 kg

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