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Part A: A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz ), where 1 MHz = 10^6 and 1 Hz = 1s^-1.
Calculate the broadcast wavelength of the radio station 90.10 FM.
Calculate moles Ac- in solution B. Calculate the molarity of HAc in solution A. Calculate the volume of solution A needed when the moles of Ac- equals moles of HAc
Some recent media attention about oyster culture and restoration in the Chesapeake Bay and other coastal areas intrigued some environmentally minded citizens in Chincoteague Island,
Chemicals available for crystallization: ethyl ether, 95% ethanol, methanol, isopropyl alcohol, aceton, hexane, toluene and methylene chloride.
solid nahco3 is heated to 90degc. at equilibrium the total pressure of the gases produced is 0.545 atm. calculate
Compute the momentum of a water molecule at normal conditions, assuming its kinetic energy
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains
Calculate the standard entropy change for the reaction 2Na(s) + Cl2 (g) --> 2NaCl (s) using the data from the following table: Substance Change in h Change in G S degrees 0.00 0.00 51.30 0.00 0.00 223.1 -411.0 -384.0 72.10
carbohydrates that comprises a balanced diet in different body types. What are the effects of the consumption of each of these on the human body.
Hemoglobin, a nonelctrolyte is an iron containing protein found in red blood cells. The osmotic pressure of 25.0 mL of an aq. soln containing 0.658 g of hemoglobin is 9.88x10^-3 atm at 25.0 *C. Determine the molar mass of hemoglobin
What is the specific enthalpy of outlet chlorine gas stream and how many moles of chlorine gas enter the heat exchanger?
Choose any two temperatures and corresponding vapor pressures in the table given, and use those values to calculate Delta H vap for mercury (in kJ / mol).
What is the PH of .0750L of hypochlorous acid/hypochlorite buffer solution, originally .300M in HCLO and .400M in CLO-. after 7.5E-3 moles of NAOH have been added to the buffer
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