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.

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)