Final answer:
The student seeks to calculate ΔT for solutions with varying concentrations using the equation ΔT = mKb, which links molality and the solvent's constant for boiling point elevation.
Step-by-step explanation:
The student is inquiring about the calculation of the change in temperature (ΔT) for solutions with various concentrations. In Chemistry, the equation ΔT = mKb relates the change in temperature to the molality (m) of the solution and the solvent's molal boiling point elevation constant (Kb), typically found in temperature change problems involving colligative properties. This equation is used to determine the boiling point elevation or freezing point depression of a solution. For dilute solutions, this relationship shows that ΔT is directly proportional to the solute concentration. When dealing with phase changes in conduction, convection, or radiation, other equations such as Q = mcΔT for convection, Q = mLf or Q = mLy for phase changes, or Qnet = σe A(T4 – T14) for radiation may be used based on the scenario.