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Loudspeakers A and B are vibrating in phase and are playing the same tone, which has a frequency of 309 Hz. They are set up as in the figure, and point C is located as shown there. The distance between the speakers and the distance between speaker B and point C have the same value d. The speed of sound is 343 m/s. What is the smallest value of d, such that constructive interference occurs at point C?
air of one kilogram is allowed to expand reversible in a container behind a piston in such a way that the temperature
Calculate the percent ionization of 8.0×10-3 M butanoic acid in a solution containing 8.0×10-2 M sodium butanoate.
Explain the attraction of a positive end of one molecule for the negative end of another neighboring molecule is a
In a separatory funnel, which would be on top and which would be on the bottom; 10% NaOH and hexane
Calculate the equilibrium concentrations if the initial concentrations are 2.30 M N2 and 0.51 M O2 . (This N2/O2 concentration ratio is the ratio found in air.)
The book's answer says not reaction and I need someone that will explain a step by step why they'er isn't a reaction for this problem. I don"t see it, is there a trick or hint that would tip me off so I can identify it quickly
Write out the mechanism for the synthesis of 2-iodobenzoic acid from 2-aminobenzoic acid: 2-aminobenzoic acid + NaNO2 + 2HCl --> 2-iodobenzoic acid
a jewerly manufacturer is going to silver plate copper necklacesusing a solution of agcn2-nbspions. if eachnecklace has
Glycine can be obtained in three forms (differing in charge and conjugate ions): (a) glycine hydrochloride, (b) isoelectric glycine (sometimes called glycine, free base), and (c) sodium glycinate. Draw the structures of these three forms.
Assuming all the NH3 dissolves and that the volume of the solution remains at 0.300L , calculate the pH of the resulting solution
Did all of the powder dissolve. if not how much powder remains undissolved. If so, how much more powder can be dissolved before a saturated solution is reached.
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium. Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC. Give your answer with three significant figures
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