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The ionization energy of H is 13.6 eV. Explain what is the difference in energy between the n = 1 and n = 6 levels?
When diluting the juice samples with water, you did not need to be as accurate as in previous measurements. Why was the same level of precision not required?
Calculate the work in joules needed to expand a balloon from 5mL to 3.350L against standard atmospheric pressure. (your lungs provide the work if you r blowing up yourself.) Assume a reversible process.
What is the mechanism for the reaction between acetophenone and p-anisaldehyde is the presence of sodium hydroxide. Include arrows showing electron movement. The product is trans-p-Anisalacetophenone.
Explain as part of its decay process, the radioactive isotope of polonium 214Po undergoes successive emissions of one alpha particle as well as two beta particles. Explain what the product is after these three decays
Celsius and takes 96 seconds. How long would you expect the reaction to take if ran at 50 degrees Celsius?
In a precipitate lab, if the step for digesting the precipitate were omitted, what would be the probable consequence of reporting the "percent limiting reactant" in the salt mixture? Explain.
Calculate the heat released when 2.00L of Cl2(g) with a density of 1.88 g/L react with an excess of sodium metal as 25°C and 1 atm to form sodium chloride. [H°f(NaCl) = -411.0 kJ/mol
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 8.8L to 4.3L at a constant external pressure of 46 atm
ethyl alcohol is produced by the fermentation of glucose c6h12o6.given that the enthalpy of formation is -277.7 kjmol
The protein solution consists of albumin (40 g/L at Mm = 69,000 daltons), globulins (70 g/L at MW = 150,000 daltons), and fibrinogen (60 g/L at Mm = 340,000 daltons). Assume that T=25 C and the proteins form an ideal solution. What is the osmotic ..
Calculate the volume in liters of 88.2 lb of CCl4 (density = 0.00160 kg/cm3; 1 lb = 454 g). A. 64.0 L B. 40.0 L C. 28.0 L D. 25.0 L
What is the pH at the equivalence point when 20.0 mL of 0.20 M CH3NH2 is titrated with 0.40 M HCl? Kb = 4.4 × 10G4 for CH3NH2.
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