Determine the volume in ml of 0.33 m hi(aq) needed to reach the half-equivalence (stoichiometric) point in the titration of 30.5 ml of 0.48 m (ch3)2nh(aq). enter your answer with one decimal place. the kb of dimethylamine is 5.4 x 10-4.

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?