Many cereals are made with high moisture content so that the cereal can be formed into various shapes before it is dried. A cereal product containing 57% by mass is produced at the rate of 1000. kg/h. How much water must be evaporated per hour if the final product contains only 21% water

278.482 kilograms of water must be evaporated each hour.

Step-by-step explanation:

Initial mass of cereal is equal to the product of cereal mass-to-mass ratio and total mass flow:

Where:

- Inlet cereal mass flow, measured in kilograms per hour.

- Inlet cereal mass ration, dimensionless.

- Cereal product mass flow, measured in kilograms per hour.

If and , then:

The initial mass flow of water is:

Given that final total mass flow contains only 21 % water, the final water mass flow, measured in kilograms per hour, is:

(, )

Finally, the amount of water that must be evaporated per hour is:

278.482 kilograms of water must be evaporated each hour.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: