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Two musicians are playing the same instruments. The first one emits the sound with correct wavelength 58 cm while the second one is off, and the wavelength is 5 mm longer. a) What is the frequency of the beats when they play together? b) By how much does the second musician need to change her instrument's wavelength so that the frequency of the beats is reduced to 1 Hz?
How is the equilibrium yield of C6H12O6 affected by each of the following? 6 CO2(g) + 6 H2O(l) + HEAT C6H12O6(s) + 6 O2(g) (a) increasing PCO2 increases decreases no effect
A student placed 11.5 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mark on the neck of the flask was reached. The flask was then shaken until the ..
At a temperature T, a previously empty 5.00L flask is prepared by adding 1.20 mol SO2 and 1.5 mol of O2. Determine the concentrations of SO2, O2 and SO3 once equilibrium is established. KC=963
A solution is prepared by dissolving 20.2 of methanol in 100.0 of water at 25 . The final volume of the solution is 118 . The densities of methanol and water at this temperature are 0.782 and 1.00 , respectively. For this solution, calculate each ..
Calculate the volume of barium hydroxide (0.1177 M) necessary to react with 25.00 mL of phosphoric acid (0.1002 M)
A corrosionist pipetted a 50.00 ml sample of an unknown brine and titrated it with 37.64 ml of 0.1024 M silver nitrate solution. Calculate the ppm of salt (NaCl)in the sample.
Is the central carbon atom sp2- or sp-hybridization? What about the hybridization of the terminal carbons? What shape do you predict for allene?
200 ml of 1.00m naoh is reacted with 200 ml of 1.00 m hcl in a calorimeter. the calorimeter and the solutions were at
Given that the solubility of magnesium fluoride is 0.0729 g/L, calculate the value of Ksp for this salt
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2
How would I find the concentration of a base used in titration given the following data: Volume of acid in Erlenmeyer flask = 25.00 mL (HCl) Molar concentration of acid in Erlenmeyer flask = 0.2127 M (HCl)
what is the calculated molecular weight for polymerization of isobutylene?where monomerstock0.2moldm3vmonomer25cm3 and
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