5. What is the total number of Joules of heat energy absorbed when the temperature of 200 grams of water is raised from 10 °C to 40°C?

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

In pqr m< p=60 m< q= 30 and m

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