Compute the de broglie wavelength
Calculate the de Broglie wavelength for each of the following.a 57 g ball with a velocity of 35. m/s b an electron with a velocity 12% the speed of light.
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What mass of sucrose should be combined with 462 of water to make a solution with an osmotic pressure of 8.30 at 270 ? (Assume the density of the solution to be equal to the density of the solvent.)
To 333 milliliters of a 0.120 molar Pb(NO3)2 solution, 0.667 milliliteres of 0.435 molar KIO3 is added. Calculate the concentrations of Pb+2 and IO3- in the solution at equilibrium.
What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas?
A 2.067-g sample of a monoprotic acid was dissolved in water. It took 25.24 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
A buffer that contains 0.52 M base, B, and 0.33 M of its conjugate acid, BH+, has a pH of 8.78. What is the pH after 0.0032 mol HCl is added to 0.25 L of this solution?
Cortisol, ( M = 362.47 g/mol ), one of the major steroid hormones, is a key factor in the synthesis of protein. Its profound effect on the reduction of inflammation explains its use in the treatment of rheumatoid arthritis. Cortisol is 69.6 % C, 8
A bottle contains 225 mL of insulin at a concentration of 50.0 mg/mL. What is the total mass of insulin in the bottle?
A student mixed 5.00 mL of a nickel(2) chloride solution with 5.00 mL of .100M sodium phosphate and a precipitate formed. How many moles of sodium phospahte were present in 5.00 mL of the solution?
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Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
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Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred