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A sound wave has a frequency of 2000 Hz. What is the distance between crests or compressions of the wave? (Take the speed of sound to be 344 m/s.) Compute the wavelength of an X-ray with a frequency of 1018 Hz.
Write a balanced equation for the reaction that occurs in each of the following cases: (a) Cesium is added to water. (b) Strontium is added to water.
Gold miners then react the basic aqueous product solution from the above equation with Zn dust to get gold metal. Write a balanced redox reaction for this process.
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 Celcius. The concentration of Cu2+ in one of the half cells is 1.5 * 10-3 M. what is the concentration of Cu2+ in the other half cell?
process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?
The balanced equation for the reaction of aqueous Pb(ClO3)2 with aqueous NaI is shown below.Pb(ClO3)2 (aq) + 2NaI (aq) -> PbI2 (s) + 2NaClO3 (aq)
How many GRAMS of zinc iodide are present in 1.56 moles of this compound? and explain to me how to find it
Consider the titration of 88.0 mL of 0.146 M Ba(OH)2 by 0.584 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added.
What will be the temperature difference needed in a hot-air balloon to lift 1.00 kg of mass. Assume that the volume of the balloon is 100 m3, the temperature of the ambient air is 25 oC, the pressure is 1.00 bar, and air is an ideal gas with an av..
50+ years ago one-piece solid lumber beams were harvested and plentiful.
a 0.115 m solution of an unknown weak acid ha has a ph of 2.57. i determined the acid ionization constant ka for the
Consider the reaction Pb(s) + 2H^+(aq) ? Pb^2+(aq) + H2(g). If the hydrogen gas pressure is maintained at 1.00 atm and the lead(II) ion concentration is 0.025 M, find the pH at which this reaction is at equilibrium.
Problem- Part 1) Which of the following compounds is produced when the enzyme aconitase catalyzes the dehydration of citrate
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