Questions Asked on May 9, 2015

The Kw of water varies with temperature. Calculate the pH of water at 46℃ with a Kw=1.219 x 10 to th... Asked on May 9, 2015 at 12:16 AM An aircraft at C is spotted by two observers at A and B who are L=1650 feet apart. As the airplane p... Asked on May 9, 2015 at 12:21 AM The speed of light is about 3.00 x 10 to the power of 5 km/s. It takes approx. 1.28 seconds for ligh... Asked on May 9, 2015 at 12:37 AM What is the pH, pOH, [H+] and [OH-] for a solution that contains 5.25 x 10^-3 moles of HCl dissolved... Asked on May 9, 2015 at 12:39 AM Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3NO2(g) + H2O(§... Asked on May 9, 2015 at 12:40 AM A 2.0 kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper en... Asked on May 9, 2015 at 12:50 AM How much of a 6.0M sucrose solution should you use to make 77.0mL of a 0.055M solution? Asked on May 9, 2015 at 12:50 AM If the price elasticity of demand is 2, this means that a _____________ increase in price causes a _... Asked on May 9, 2015 at 12:59 AM The rate constant for the following equation is 0.00454 M−1 · s −1 . We start with 0.134 mol C2... Asked on May 9, 2015 at 1:05 AM 1. Mary is Thomas' maid. 2. Mary is thomas's maid. ============ Which one is right? Asked on May 9, 2015 at 1:31 AM