Questions Asked on May 13, 2007

Can someone please explain the emissiom spectrum of hydrogen? THose lines represent the energy rele... Asked on May 13, 2007 at 12:09 AM When asked to name all of the ions and molecules present in a 0.1 mol L-1 solution of CH3COOH, why a... Asked on May 13, 2007 at 12:51 AM describe (in words) two different sets of people containing you as a member. describe (in words) the... Asked on May 13, 2007 at 12:56 AM consider the conditional statment if you brush your teeth regularly then you won't get cavities. und... Asked on May 13, 2007 at 12:58 AM When we mix NaOH and H2SO4 we get the equation OH-(aq) + H+(aq) --> H2O(l) and if we mix H2CO3 a... Asked on May 13, 2007 at 1:00 AM Could someone please explain to me verb inversion? I never get confused in French, but this verb... Asked on May 13, 2007 at 1:56 AM I have been on for 3 hours and no one is posting or anything. Can anyone take a stab at answering th... Asked on May 13, 2007 at 2:48 AM P.S. You may have been on for 3 hours but you post first of all 2-1/2 hours ago. I tried to find an... Asked on May 13, 2007 at 4:42 AM In a machine, an ideal fluid with a density of 0.9*10^3 kg/m^3 and a pressure of 1.3*10^5 Pa flows a... Asked on May 13, 2007 at 5:38 AM Why is a solution of KNO3 neutral and not acidic? K^+ doesn't hydrolyze (H2O has a stronger attract... Asked on May 13, 2007 at 10:48 AM