3.0 kg of fresh alumina are added to 1.8 m3 of a solution containing 0.25 kg glucose/ m3 . the system is mixed and reaches equilibrium. calculate the final equilibrium concentration of glucose in the liquid and on the solid. (c, kg solute/m3 fluid and q, kg solute/kg adsorbent).

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Explain why electric current cannot exist if a current doesn't have a voltage source.