Abrine solution of salt flows at a constant rate of 8 l/min into a large tank that initially held 100 l of brine solution in which was dissolved 0.5 kg of salt. the solution inside the tank is kept well stirred and flows out of the tank at the same rate. if the concentration of salt in the brine entering the tank is 0.05 kg/l, determine the mass of salt in the tank after t min. when will the concentration of salt in the tank reach 0.02 kg/l? saff, edward b.. fundamentals of differential equations w/bvp (featured titles for differential equations) (p. 99). pearson education. kindle edition.

freezing

deposition

condensation

explanation;

melting also called fusion is the process where solid becomes liquid, sublimation is the process where solid becomes gaseous without first changing to liquid, deposition involves change from gaseous to solid state, freezing involves change from liquid to solid, boiling or evaporation involves change of liquid to gaseous state, while condensation is the change from gaseous state to liquid state.

endothermic reactions involves absorption of heat from the surroundings or the environment while exothermic reactions involves loss of heat energy to the surroundings.

in this case, sublimation, evaporation and melting are endothermic reactions (gain energy from the environment) while, freezing, deposition and condensation are exothermic (loss of energy to the surroundings) reactions.

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