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A proton and a negatively charged μ meson (called a muon) can form a short-lived species called a mesonic atom. The charge ofa muon is the same as that on an electron and the mass of a muon is 207 me. Assunle that the Bohr theory can be applied to such a mesonic atom and calculate the ground-state energy, the radius ofthe first Bohr orbit, and the energy andfrequency associated with the n = 1to n = 2 transition in a mesonic atom.
For which of the following equilibria does Kc correspond to an acid-ionization constant, Ka? NH3(aq) + H3O+(aq) NH4+(aq) + H2O(l) NH4+(aq) + H2O(l) NH3(aq) + H3O+(aq) NH4+(aq) + OH-(aq) NH3(aq) + H2O(l) HF(aq) + OH-(aq) H2O(l) + F-(aq) F-(aq) + H2..
Determine which enantiomer of 2-iodo-3-phenylbutene gives the E product (2R, 3R or 2S, 3R), and explain clearly (using unambiguous diagrams) why that is the case.
A 0.48 mg sample of sulfur-35 has an activity of 20.4 Ci. What is the decay constant of sulfur-35 (in /s)
How many kilograms of magnesium can be obtained from 5.96 km^3 of seawater if the initial Mg^2+ concentration is .19% by mass. Remember the density of seawater is 1.04 g/ml
Liquid chlorine bleach is really nothing more than a solution of sodium hypochlorite, NaOCl, in water. Usually, the concentration is approximately 5.1% NaOCl.
A table wine has a pH of 3.40. What is the hydronium ion concentration of the wine. Is it acidic or basic.
Calculate the mass of solid needed to make a 500ml solution that is 0.25m in sulfate anion, using sodium sulfate decahydrate. I came up with 17.75g.
Iron reacts with chlorine gas as follows: 2 Fe (s) + 3 Cl2 (g) > 2 FeCl3 (s)
write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution
Ammonia is both a donor and an acceptor of hydrogen in hydrogen-bond formation. Draw a diagram showing the hydrogen bonding of an ammonia molecule with two other ammonia molecules.
When 13.0 g of the mixture is dissolved in enough water to make 500. mL of solution, the solution exhibits an osmotic pressure of 6.85 atm at 25°C. Determine the mass percentage of NaCl in the mixture.
1. A chemistry 1411 student mixed 1.488 grams of Zn with 1.503 grams of S8. The unbalanced equation for this reaction is
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